Download: SERVICE MANUAL COLOUR TELEVISION AV-29W83 /BKAV- 29W83B /VT AV-29W93 /BK AV-29W83 /VT AV-29W93B /BK

SERVICE MANUAL COLOUR TELEVISION

BASIC CHASSIS

CH AV-29W83 /BKAV- 29W83B /VT AV-29W93 /BK AV-29W83 /VT AV-29W93B /BK

MUTING POWER MUTING POWER MUTING BASS POWER MUTING BASS POWER MUTING POWER SYSTEM CINEMA SYSTEM CINEMA COLOUR SOUND SURROUND COLOUR SOUND SURROUND SYSTEM CINEMA SYSTEM CINEMA SYSTEM CINEMA COLOUR SOUND SURROUND COLOUR SOUND SURROUND COLOUR SOUND SURROUND ECO ECO ECO DISPLAY SENSOR DISPLAY SENSOR ECO ECODISPLAY SENSOR DISPLAY SENSOR DISPLAY SENSOR MENU MENU MENU MENU MENU 1/2 1/2 1/2 TV/VIDEO TV/VIDEO TV/VIDEO TV/VIDEO TV/VIDEO123123123123123OFF OFF TIMER TIMER OFF OFF OFFTIMER TIMER TIMER456456456456456PICTURE PICTURE MODE MODE PICTURE PICTURE PICTUREMODE MODE MODE789789789789789CHANNEL RETURN+ CHANNELSCAN SCAN RETURN+ CHANNEL RETURN+ CHANNELSCAN RETURN+

CHANNEL

SCAN SCAN RETURN+ 0 -/- 0 -/- 0 -/- 0 -/- 0 -/- CHANNEL VOLUME CHANNEL VOLUME CHANNEL VOLUME CHANNEL VOLUME CHANNEL VOLUME RM-C1016 RM-C1011 RM-C1012 RM-C1015 RM-C1014 TV TV TV TV TV RM-C1016-1H RM-C1011-1H RM-C1012-1H RM-C1015-1H RM-C1014-1H [AV-29W83/BK] [AV-29W93/BK] [AV-29W93B/BK] [AV-29W83B/VT] [AV-29W83/VT]

CONTENTS

a SPECIFICATIONS ...2 a OPERATING INSTRUCTIONS (APPENDIX) a SAFETY PRECAUTIONS ...3 a FEATURES ...4 a FUNCTIONS...5 a SPECIFIC SERVICE INSTRUCTIONS ...6 a SERVICE ADJUSTMENTS ...14 a STANDARD CIRCUIT DIAGRAM (APPENDIX) ... 2-1 a PARTS LIST ...41

No. 52070 COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD. Nov. 2002

,

SPECIFICATIONS

Contents Items AV-29W83/BK AV-29W93/BK AV-29W93B/BK AV-29W83B/VT AV-29W83/VT Dimensions (W × H × D) 81.2cm x 58.42cm x 51.8cm Mass 45kg 47kg 45kg TV RF System B, G B, G, I, D, K, K1, M B, G, D, K, K1, M Colour System TV Mode PAL / SECAM PAL / SECAM / NTSC3.58 / NTSC4.43 VIDEO Mode PAL / SECAM / NTSC3.58 / NTSC4.43 Stereo System Playback Only A2/NICAM (B / G, I, D / K) System Playback Only Receiving Frequency VHF (VL) 46.25MHz – 140.25MHz (AS0 – S6) 46.25MHz – 168.25MHz (AS0 – S6) VHF (VH) 147.25MHz – 423.25MHz (S7 – S36) 175.25MHz – 463.25MHz (S7 – S36) UHF 431.25MHz – 863.25MHz (S37 – CHINA 57) 471.25MHz – 863.25MHz (S37 – CHINA 57) CATV ● Cable TVs of Mid (X-Z, S1-S10) Super (S11-S20) & Hyper (S21-S41) bands receivable Intermediate VIF Carrier 38.0MHz Frequency 32.5MHz (5.5MHz) 31.5MHz (6.5MHz) 31.5MHz (6.5MHz) SIF Carrier 32.0MHz (6.0MHz) 32.5MHz (5.5MHz) 32.5MHz (5.5MHz) 33.5MHz (4.5MHz) 33.5MHz (4.5MHz) Colour Sub Carrier Frequency PAL (4.43MHz), SECAM (4.40625MHz / 4.25MHz) NTSC (3.58MHz / 4.43MHz) Aerial Input Terminal 75Ø Unbalanced Power Input AC120 – 240V, 50 / 60Hz Power Consumption 175W (Max.) / 116W (Avg.) 212W (Max.) / 133W (Avg.) 175W (Max.) / 116W (Avg.) Picture Tube Visible size : 69cm measured diagonally High Voltage 32kV+1/ –1.5kV (at cut-off in service mode) Speaker 6.5 × 13cm Oval type × 2 6.5 × 13cm Oval type × 2 6.5 × 13cm Oval type × 2 φ 13cm (BASS BLASTER UNIT) Audio Output 7W + 7W 7W + 7W +13W 7W + 7W Video / Audio Input (1 / 2 / 3) Video(1,3) : 1Vp-p, 75Ø (RCA pin jack) Audio(1,2,3) : 500mVrms ( -4dBs ), High Impedance (RCA pin jack) Component Input ( Input 2 ) Y : 1Vp-p positive (negative sync provided, when terminated with 75Ø) CB/CR : 0.7Vp-p 75Ø Video/ Audio Output 1Vp-p, 75Ø (RCA pin jack) 500mVrms(-4dBs) Low impedance (400Hz when modulated 100%) (RCA pin jack) Headphone Jack Stereo mini jack (3.5φ) Remote Control Unit RM-C1016-1H RM-C1011-1H RM-C1012-1H RM-C1015-1H RM-C1014-1H (Battery size: AA/R06/UM-3 × 2) Design & specifications are subject to change without notice. 2 No. 52070,

SAFETY PRECAUTIONS

1. The design of this product contains special hardware, many circuits 8. When service is required, observe the original lead dress. Extra and components specially for safety purposes. For continued pro- precaution should be given to assure correct lead dress in the high tection, no changes should be made to the original design unless voltage circuit area. Where a short circuit has occurred, those com- authorized in writing by the manufacturer. Replacement parts must ponents that indicate evidence of overheating should be replaced. be identical to those used in the original circuits. Service should be Always use the manufacturer's replacement components. performed by qualified personnel only. 9. Isolation Check 2. Alterations of the design or circuitry of the products should not be (Safety for Electrical Shock Hazard) made. Any design alterations or additions will void the manufactur- After re-assembling the product, always perform an isolation check er's warranty and will further relieve the manufacturer of responsi- on the exposed metal parts of the cabinet (antenna terminals, video/ bility for personal injury or property damage resulting therefrom. audio input and output terminals, Control knobs, metal cabinet, screw heads, earphone jack, control shafts, etc.) to be sure the product is 3. Many electrical and mechanical parts in the products have special safe to operate without danger of electrical shock. safety-related characteristics. These characteristics are often not (1) Dielectric Strength Test evident from visual inspection nor can the protection afforded by The isolation between the AC primary circuit and all metal parts them necessarily be obtained by using replacement components exposed to the user, particularly any exposed metal part having a rated for higher voltage, wattage, etc. Replacement parts which have return path to the chassis should withstand a voltage of 3000V AC these special safety characteristics are identified in the parts list of (r.m.s.) for a period of one second. Service manual. Electrical components having such features are (.Withstand a voltage of 1100V AC (r.m.s.) to an appliance rated identified by shading on the schematics and by (!) on the parts up to 120V, and 3000V AC (r.m.s.) to an appliance rated 200V or list in Service manual. The use of a substitute replacement which more, for a period of one second.) does not have the same safety characteristics as the recommended This method of test requires a test equipment not generally found in replacement part shown in the parts list of Service manual may the service trade. cause shock, fire, or other hazards. (2) Leakage Current Check Plug the AC line cord directly into the AC outlet (do not use a line 4. Don't short between the LIVE side ground and ISOLATED (NEU- isolation transformer during this check.). Using a "Leakage Current TRAL) side ground or EARTH side ground when repairing. Tester", measure the leakage current from each exposed metal part Some model's power circuit is partly different in the GND. The differ- of the cabinet, particularly any exposed metal part having a return ence of the GND is shown by the LIVE : ( ) side GND, the ISO- path to the chassis, to a known good earth ground (water pipe, etc.). LATED (NEUTRAL) : ( ) side GND and EARTH : ( ) side GND. Any leakage current must not exceed 0.5mA AC (r.m.s.). Don't short between the LIVE side GND and ISOLATED (NEUTRAL) However, in tropical area, this must not exceed 0.2mA AC (r.m.s.). side GND or EARTH side GND and never measure the LIVE side ● Alternate Check Method GND and ISOLATED (NEUTRAL) side GND or EARTH side GND Plug the AC line cord directly into the AC outlet (do not use a line at the same time with a measuring apparatus (oscilloscope etc.). isolation transformer during this check.). Use an AC voltmeter hav- If above note will not be kept, a fuse or any parts will be broken. ing 1000 ohms per volt or more sensitivity in the following manner. Connect a 1500Ø 10W resistor paralleled by a 0.15µF AC-type ca- 5. If any repair has been made to the chassis, it is recommended that pacitor between an exposed metal part and a known good earth the B1 setting should be checked or adjusted (See ADJUSTMENT ground (water pipe, etc.). Measure the AC voltage across the resis- OF B1 POWER SUPPLY). tor with the AC voltmeter. Move the resistor connection to each ex- posed metal part, particularly any exposed metal part having a re- 6. The high voltage applied to the picture tube must conform with that turn path to the chassis, and measure the AC voltage across the specified in Service manual. Excessive high voltage can cause an resistor. Now, reverse the plug in the AC outlet and repeat each increase in X-Ray emission, arcing and possible component dam- measurement. Any voltage measured must not exceed 0.75V AC age, therefore operation under excessive high voltage conditions (r.m.s.). This corresponds to 0.5mA AC (r.m.s.). should be kept to a minimum, or should be prevented. If severe However, in tropical area, this must not exceed 0.3V AC (r.m.s.). arcing occurs, remove the AC power immediately and determine This corresponds to 0.2mA AC (r.m.s.). the cause by visual inspection (incorrect installation, cracked or melted high voltage harness, poor soldering, etc.). To maintain the AC VOLTMETER proper minimum level of soft X-Ray emission, components in the (HAVING 1000Ω/V, high voltage circuitry including the picture tube must be the exact OR MORE SENSITIVITY) replacements or alternatives approved by the manufacturer of the complete product. 7. Do not check high voltage by drawing an arc. Use a high voltage meter or a high voltage probe with a VTVM. Discharge the picture 0.15µF AC-TYPE tube before attempting meter connection, by connecting a clip lead PLACE THIS PROBE to the ground frame and connecting the other end of the lead through ON EACH EXPOSED a 10kØ 2W resistor to the anode button. 1500Ω 10W METAL PART GOOD EARTH GROUND No. 52070 3,

FEATURES

s New chassis design enables use of an interactive on-screen control. s Built-in DIGITAL ECO MODE (ECONOMY, ECOLOGY). s Pure flat CRT produces fine textured picture in every detail. In accordance with the brightness in a room, the brightness and/or s Wide range voltage (120V ~ 240V) for AC power input. contrast of the picture can be adjusted automatically to make the s With AUDIO/VIDEO/COMPONENT input terminals. optimum picture which is easy on the eye. sI2Cbus control utilizes single chip ICs. s Built-in OFF TIMER & RETURN +. s By means of AUTO PROGRAM, the TV stations can be selected automatically and the TV channels can also be rearranged auto- matically.

MAIN DIFFERENCE LIST

[AV-29W83/BK, AV-29W93/BK, AV-29W93B/BK] MODEL No. ! Part Name AV-29W83/BK AV-29W93/BK AV-29W93B/BK ! MAIN PWB SCH-1118A-BK SCH-1119A-BK SCH-1120A-BK ! REAR COVER GG10192-001B-H GG10192-004B-H FRONT CABINET ASS’Y GG10189-008A-H GG10189-005A-H REMOTE CONTROL UNIT RM-C1016-1H RM-C1011-1H RM-C1012-1H [AV-29W83B/VT, AV-29W83/VT] MODEL No. ! Part Name AV-29W83B/VT AV-29W83/VT ! MAIN PWB SCH-1312A-CK SCH-1310A-V2 ! REAR COVER GG10192-003B-HK GG10192-002B-HK FRONT CABINET ASS’Y GG10189-007A-HK GG10189-009A-HK ! RATING LABEL GG20016-023A-E GG20016-022A-E REMOTE CONTROL UNIT RM-C1015-1H RM-C1014-1H 4 No. 52070,

FUNCTIONS

a FRONT PANEL V L/MONO R IN (VIDEO-3) a REAR PANEL V L/MONO R IN (VIDEO-3) [AV-29W83/BK, AV-29W93/BK, AV-29W83/VT] [AV-29W93B/BK, AV-29W83B/VT] VIDEO-1 COMPONENT VIDEO-1 COMPONENT (VIDEO-2) OUTPUT (VIDEO-2) OUTPUT INPUT INPUT INPUT INPUT V Y/VVVY/V V

BASS SPEAKER

L/MONO CB L/ MONO L OUT L/MONO CB L/ MONOLRCRRRRCRRRaREMOTE CONTROL UNIT

RM-C1016-1H RM-C1011-1H RM-C1012-1H RM-C1015-1H RM-C1014-1H

[AV-29W83/BK] [AV-29W93/BK] [AV-29W93B/BK] [AV-29W83B/VT] [AV-29W83/VT] MUTING POWER MUTING POWER MUTING BASS POWER MUTING BASS POWER MUTING POWER SYSTEM CINEMA COLOUR SOUND SURROUND SYSTEM CINEMA SYSTEM CINEMA SYSTEM CINEMA SYSTEM CINEMACOLOUR SOUND SURROUND COLOUR SOUND SURROUND COLOUR SOUND SURROUND COLOUR SOUND SURROUND

ECO

DISPLAY SENSOR ECO ECO ECO ECODISPLAY SENSOR DISPLAY SENSOR DISPLAY SENSOR DISPLAY SENSOR MENU MENU MENU MENU MENU 1/2 1/2 1/2 TV/VIDEO TV/VIDEO123TV/VIDEO TV/VIDEO TV/VIDEO OFF123123123123TIMER OFF OFF OFF OFF456TIMER TIMER TIMER TIMER PICTURE456456456456MODE PICTURE PICTURE PICTURE PICTURE789MODE MODE MODE

MODE

789CHANNEL789789789SCAN RETURN+ CHANNEL RETURN+ CHANNEL CHANNELSCAN SCAN RETURN+ CHANNEL RETURN+ SCAN RETURN+0 -/- SCAN0 -/- 0 -/- 0 -/- 0 -/- CHANNEL VOLUME CHANNEL VOLUME CHANNEL VOLUME CHANNEL VOLUME CHANNEL VOLUME RM-C1016 RM-C1011 RM-C1012 RM-C1015 RM-C1014 TV TV TV TV TV

No. 52070 5

,

SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY PROCEDURE REMOVING THE TWIN PORT BASS BLASTER UNIT REMOVING THE SPEAKER

[AV-29W93B/BK, AV-29W83B/VT only] • After removing the rear cover. 1. Remove the 2 screws marked as shown in Fig.1. 1. Unplug the power supply cord. ˝ 2. Withdraw the speaker backward. 2. Disconnect the Twin Port Bass Blaster Unit’s cord from the rear of 3. Follow the same steps when removing the other hand speaker. the TV set. 3. Remove the Twin Bass Blaster Unit by pulling it upwards.

CHECKING THE MAIN PW BOARD

[REMARK] • After removing the Twin Port Bass Blaster Unit, proceed to the fol- 1. To check the back side of the Main PWB. lowing procedure. 1) Pull out the chassis. (Refer to REMOVING THE CHASSIS). 2) Erect the chassis vertically so that you can easily check the back side of the Main PWB.

REMOVING THE REAR COVER [CAUTION]

• When erecting the chassis, be careful so that there will be no con-1. Unplug the power supply cord. tacting with other PW Board. 2. Remove the 16 screws marked Å as shown in Fig.1. • Before turning on power, make sure that the CRT earth wire and3. Withdraw the Rear cover toward you. other connectors are properly connected. • When repairing, connect the Deg. coil to the DEG. connector on the[CAUTION] • Main PWB.When reinstalling the rear cover, carefully push it inward after in- serting the Main PWB into the rear cover groove.

WIRE CLAMPING AND CABLE TYING REMOVING THE CHASSIS (CHASSIS BASE AND 1. Be sure to clamp the wire. CONTROL BASE) 2. Never remove the cable tie used for tying the wires together.

• Should it be inadvertently removed, be sure to tie the wires with aAfter removing the rear cover. new cable tie. 1. Slightly raise the both sides of the chassis by hand and remove the 2 claws marked ı under the chassis from the front cabinet as shown in Fig.1. 2. Withdraw the chassis backward. (If necessary, take off the wire clamp, connector’s etc.) *When conducting a check with power supplied, be sure to confirm that the CRT earth wire is connected to the CRT SOCKET PWB and the Main PWB.

REMOVING THE AV TERMINAL BOARD

• After removing the rear cover. 1. Remove the 4 screws marked Ç as shown in Fig.1. 2. When you pull out the AV Terminal board in the direction of arrow marked Î as shown in Fig.1, it can be removed. REMOVING THE CONTROL BASE • After removing the rear cover and the chassis. 1. While pushing down the 2 claws marked ´ as shown in Fig. 2 and pull out the Control base in the direction of arrow marked Ï as shown in Fig. 2, the control base can be removed. (If necessary, take off the wire, connector’s etc.) 6 No. 52070, [FRONT SIDE] PICTURE TUBE CONTROL BASE E

F

FRONT CABINET CHASSIS

BASE SPEAKER

Fig.2 G (X2)

CRT

SOCKET PWB FRONT CONTROL PWB (2/2) MAIN PWB FRONT CONTROL CLAW B PWB (1/2)

SPEAKER

Fig.2 AV TERMINAL

BOARD

G (X2) CONTROL BASE

CHASSIS

BASE D CLAW B

C

(×4) (For AV-29W93B/BK, AV-29W83B/VT only) REAR COVER A (×16) TWIN PORT BASS BLASTER UNIT (For AV-29W93B/BK, AV-29W83B/VT only) Fig.1

No. 52070 7

,

REMOVING THE CRT

* Replacement of the CRT should be performed by 2 or more persons. CRT CHANGE TABLE • After removing the rear cover, chassis etc., 1. Putting the CRT change table on soft cloth, the CRT change table should also be covered with such soft cloth (shown in Fig. 3). 2. While keeping the surface of CRT down, mount the TV set on the APPROX.35cm CRT change table balanced will as shown in Fig. 4. 3. Remove 4 screws marked by arrows with a box type screwdriver as

CLOTH

shown in Fig. 4. • Since the cabinet will drop when screws have been removed, be sure to support the cabinet with hands. 4. After 4 screws have been removed, put the cabinet slowly on cloth (At this time, be carefully so as not to damage the front surface of the Fig. 3 cabinet) shown in Fig. 5. • The CRT should be assembled according to the opposite sequence of its dismounting steps. CRT * The CRT change table should preferably be smaller that the CRT sur- face, and its height be about 35cm.

CRT CHANGE TABLE BOX TYPE SCREW DRIVER

Fig. 4

CRT COATING OF SILICON GREASE FOR ELECTRICAL IN- SULATION ON THE CRT ANODE CAP SECTION.

• Subsequent to replacement of the CRT and HV transformer or repair of the anode cap, etc. by dismounting them, be sure to coat silicon grease for electrical insulation as shown in Fig. 6. CABINET CRT CHANGE TABLE 1. Wipe around the anode button with clean and dry cloth. (Fig. 6) 2. Coat silicon grease on the section around the anode button. At this time, take care so that any silicon greases does not sticks to the anode button. (Fig. 7) Fig. 5 Silicon grease product No. KS - 650N CRT Approx.Anode button Silicon grease 20mm (Do not should be coated coat grease on by 5mm or more this section from the outside diameter of anode cap. Silicon grease Anode button Coating position coating (No sticking of of silicon grease silicon grease) Anode cap Fig. 6 Fig. 7 8 No. 52070,

REPLACEMENT OF MEMORY IC

1. MEMORY IC SERVICE MENU This TV uses the following memory IC. Memory IC: IC1702 on MAIN PW Board SERVICE MENU The memory IC memorizes data for correctly operating the video 1. IF 2. VC and deflection circuits. When replacing the memory IC, be sure to 3. DEF 4. VSM PRESET5. PRESET 6. A2NICAM use the same type IC written with the initial values of data. In other 7. PLUG & PLAY (ON) words, use the specific IC listed in “PRINTED WIRING BOARD 1-7 : SELECT DISPLAY : EXIT PARTS LIST”. For its mounting location, refer to “ADJUSTMENT LOCATIONS”. ******* **** ***** ***** **** **** *** *** 2. PROCEDURE FOR REPLACING MEMORY IC [AV-29W93/BK, AV-29W93B/BK] (1) Power off Switch the power off and unplug the power cord from the wall SERVICE MENU outlet. 1. IF 2. VC 3. DEF 4. VSM PRESET (2) Replacing the memory IC 5. PRESET 6. PLUG & PLAY (ON) Replace the memory IC with new one. Be sure to use the memory 1-6 : SELECT DISPLAY : EXIT IC written with the initial data values. (3) Power on ******* **** ***** ***** **** **** *** *** Plug the power cord into the wall outlet and switch the power on. [AV-29W83/BK, AV-29W83B/VT, AV-29W83/VT] (4) Check and setting of SYSTEM CONSTANT SET: 1) Press the DISPLAY key and the PICTURE MODE key on the Fig. 1 remote control unit simultaneously. The SERVICE MENU screen will be displayed.(See Fig.1.) 2) In the SERVICE MENU, press the DISPLAY key and PIC- SYSTEM CONSTANT-Ι TURE MODE key simultaneously. Then, the SYSTEM CON- STANT SET screen will be displayed.(See Fig.2.) SYSTEM CONSTANT SET 1 3) Check whether the setting values of the SYSTEM CONSTANT SYSTEM MULTI COMB YES SET are the same as those indicated in Table1. TILT YES If the value is different, select the setting item with the MENU TEXT ERCMI &/^ key, and set the correct value with the MENU / SUPER BASS YES* Tkey. LANGUAGE E/R/C/M/I 4) Press the DISPLAY key twice to return to the normal screen. >? : SEL - + : OPE DISP : EXIT (5) Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels (channels preset). SYSTEM CONSTANT-II (6) User setting SYSTEM CONSTANT SET 2 Check the user setting values in Table 2, and if setting value is MSP YES different, set the correct value. BILINGUAL YES For setting, refer to the OPERATING INSTRUCTIONS. B / B SOUND NO TUNER MU (7) Setting of SERVICE MENU COLOUR AUTO YES Verify the setting for each setting item in the SERVICE MENU.(See Table 3.) If readjustment is necessary, perform ad- >? : SEL - + : OPE DISP : EXIT justment referring to “SERVICE ADJUSTMENTS”. SYSTEM CONSTANT-III NAME OF REMOTE CONTROL KEYS SYSTEM CONSTANT SET 3 LOCK 1 MHz : 040 500 KHz : 040 MUTING POWER 250 KHz : 040 SYSTEM CINEMA 156. 25 KHz : 030 COLOUR SOUND SURROUND 31.25 KHz : 030

ECO

DISPLAY SENSOR

DISPLAY MENU >? : SEL - + : OPE DISP : EXIT MENU MENU MENU

I/II TV/TEXT

MENU SYSTEM CONSTANT-IV

TV/VIDEO123SYSTEM CONSTANT SET 4

OFF TIMER

4563D SURROUND YES PICTURE 3CH VOL/TONE YES

MODE PICTURE789AMP TUNER NO MODE CHANNELSCAN RETURN+

0 -/- CHANNEL VOLUME >? : SEL - + : OPE DISP : EXIT

TEXT

REVEAL HOLD INDEX SIZE SUBPAGE STORE MODE CANCEL Fig. 2

No. 52070 9

,

SETTING OF SYSTEM CONSTANT SET

Setting value Setting item Setting content AV-29W83/BK AV-29W93/BK AV-29W93B/BK AV-29W83B/VT AV-29W83/VT SYSTEM MULTI TRIPLE PAL SINGLE VIET SINGLE MULTI VIET COMB YES NO YES TILT YES NO YES TEXT EASTERN UKRANIAN RUSSIAN NO NO PAN EURO ARABK SUPER BASS YES NO NO YES NO LANGUAGE E/T E/V E E/T E/V MSP YES NO NO YES NO BILINGUAL YES NO YES NO B/B SOUND YES NO NO TUNER MU MA MU COLOUR AUTO YES NO NO LOCK 1MHz 000 240 040 500KHz 000 240 040 250KHz 000 240 040 156.25KHz 000 240 030 31.25KHz 000 240 030 3D SURROUND YES NO YES 3CH VOL/TONE YES NO YES AMP TUNER YES NO NO Table 1 10 No. 52070,

USER SETTING VALUES

Setting item Setting value SUB POWER ON CHANNEL POSITION 1 POSITION CHANNEL PRESET REFER TO OPERATING INSTRUCTIONS VOLUME 15 ± 2 TV/VIDEO TV VNR OFF COMPRESS (16:9) OFF AUTO SHUTOFF OFF CHILD LOCK OFF BLUE BACK ON VIDEO-2 SET VIDEO LANGUAGE THAI [AV-29W83/BK, AV-29W93/BK, AV-29W93B/BK only] VIET [AV-29W83B/VT, AV-29W83/VT only] CINEMA SURROUND OFF AI VOLUME ON ON SCREEN DISPLAY POSITION INDICATION COLOUR SYSTEM PAL SOUND SYSTEM B/G STEREO MODE STEREO [AV-29W93/BK, AV-29W93B/BK only] PICTURE MODE-VSM BRIGHT OFF TIMER 00 ECO SENSOR OFF BASS CENTRE TREBLE CENTRE BALANCE CENTRE SUPER BASS ON [AV-29W93B/BK, AV-29W83B/VT only] BILINGUAL MODE 1/2 [AV-29W83/BK only] Table 2 No. 52070 11,

SERVICE MENU SETTING ITEMS

Service menu Setting item Service menu Setting item 1. IF 1. VCO 5. PRESET 1. PSNS 2. DELAY POINT Do not adjust 2. ACL 3. MUS 4. MAT 2. VC 1. CUTOFF(R/G) 5. FCO 2. DRIVE(R/G/B) 6. BPS 3. BRIGHT 7. IFLH 4. CONT 8. VID 5. COLOUR 9. STM 6. TINT 10. AFCW 7. SHARP 11. VSW 8. YDELAY Do not adjust 12. FFI 9. AMP T. SHARP 13. AGC 14. CL 3. DEF 1. VER. SLOPE 15. AKB 2. VER. HEIGHT 16. HBL 3. VER. POSITION 17. BKS 4. VER. SCURVE 18. READ STATUS 5. HOR. POSITION 19. VNR 6. HOR. WIDTH 20. PEAK 7. EW-PIN 21. IVG 8. EW-TRAPEZ 22. WPL 9. UP CORNER 23. SOFT CLIPPER 10. DW CORNER 24. IF PLL OFFSET 11. HOR. PARALL 25. OVERSHOOT 12. HOR. BOW 26. HCO 13. V. ZOOM 27. HP2 28. AI VOLUME ADN 4. VSM PRESET 1. TINT 31. CCCLOOP (BRIGHT/STD/SOFT) 2. COLOUR Do not adjust 3. BRIGHT 6. A2NICAM 1. ERROR LIMIT 4. PICTURE [AV-29W93/BK, AV-29W93B/BK only] 2. A2 ID THR 5. DETAIL 3. SOUND SYSTEM Do not adjust 6/7. PLUG & PLAY(ON) Do not adjust Table 3 12 No. 52070,

REPLACEMENT OF CHIP COMPONENT

a CAUTIONS 1. Avoid heating for more than 3 seconds. 2. Do not rub the electrodes and the resist parts of the pattern. 3. When removing a chip part, melt the solder adequately. 4. Do not reuse a chip part after removing it. a SOLDERING IRON 1. Use a high insulation soldering iron with a thin pointed end of it. 2. A 30w soldering iron is recommended for easily removing parts. a REPLACEMENT STEPS 1. How to remove Chip parts 2. How to install Chip parts Resistors, capacitors, etc. Resistors, capacitors, etc. (1) Apply solder to the pattern as indicated in the figure. (1) As shown in the figure, push the part with tweezers and alter- nately melt the solder at each end. (2) Grasp the chip part with tweezers and place it on the solder. Then heat and melt the solder at both ends of the chip part. (2) Shift with tweezers and remove the chip part. Transistors, diodes, variable resistors, etc. (1) Apply solder to the pattern as indicated in the figure. (2) Grasp the chip part with tweezers and place it on the solder. Transistors, diodes, variable resistors, etc. (3) First solder lead A as indicated in the figure. (1) Apply extra solder to each lead. SOLDER SOLDER

A B

(2) As shown in the figure, push the part with tweezers and alter- nately melt the solder at each lead. Shift and remove the chip C part. (4) Then solder leads B and C.

A B C

Note : After removing the part, remove remaining solder from the pattern. No. 52070 13,

SERVICE ADJUSTMENTS ADJUSTMENT PREPARATION

1. You can make the necessary adjustments for this unit with either the remote control unit or with the adjustment equipment and parts as given below. 2. Adjustment with the remote control unit is made on the basis of the initial setting values, however, the new setting values which set the screen to its optimum condition may differ from the initial settings. 3. Make sure that AC power is turned on correctly. 4. Turn on the power for the set and test equipment before use, and start the adjustment procedures after waiting at least 30 minutes. 5. Unless otherwise specified, prepare the most suitable reception or input signal for adjustment. 6. Never touch any adjustment parts, which are not specified in the list for this adjustment-variable resistors, transformers, capacitors, etc. 7. Presetting before adjustment. Unless otherwise specified in the adjustment instructions, preset the following functions with the remote control unit. • User mode setting position Setting item Setting value PICTURE MODE(VSM) BRIGHT VNR OFF BASS, TREBLE, BALANCE CENTRE TINT, COLOUR, BRIGHT, DETAIL CENTRE PICTURE MAXIMUM

MEASURING INSTRUMENT

1. DC voltmeter (or Digital voltmeter) 2. Oscilloscope 3. Signal generator (Pattern generator) [PAL/SECAM/NTSC] 4. Remote control unit

ADJUSTMENT ITEMS

• B1 POWER SUPPLY • DEFLECTION CIRCUIT ADJUSTMENTS • FOCUS ADJUSTMENT Adjustment of V. SLOPE • IF CIRCUIT ADJUSTMENTS Adjustment of V. POSITION Adjustment of VCO (CW) Adjustment of V. HEIGHT Adjustment of DELAY POINT (AGC TAKE-OVER) Adjustment of H. POSITION • VC (VIDEO/CHROMA) CIRCUIT ADJUSTMENTS Adjustment of H. WIDTH Adjustment of WHITE BALANCE (Low light) Adjustment of SIDE PIN Adjustment of WHITE BALANCE (High light) Adjustment of TRAPEZIUM Adjustment of SUB BRIGHT Adjustment of V. S-CURVE Adjustment of SUB CONTRAST Adjustment of CORNER Adjustment of SUB COLOUR-Ι Adjustment of H. PARALLEL Adjustment of SUB COLOUR-ΙΙ Adjustment of H. BOW Adjustment of SUB TINT-Ι • VSM PRESET SETTING Adjustment of SUB TINT-ΙΙ • PRESET SETTING • AUDIO ADJUSTMENT [AV-29W93/BK, AV-29W93B/BK only] • PURITY ADJUSTMENT • CONVERGENCE ADJUSTMENTS Adjustment of STATIC CONVERGENCE Adjustment of DYNAMIC CONVERGENCE 14 No. 52070,

ADJUSTMENT LOCATIONS FRONT CONTROL PWB ASS’Y(1/2) FRONT CONTROL PWB ASS’Y(2/2) FRONT

FRONT S805 S801 S803 J304 J303 J302 J801 POWER S804 S806 S802 SW. CN002 S801 : CH UP + S901 S802 : CH DOWN – CN003 S803 : MENU CN002 S804 : TV/VIDEO S805 : VOL UP+ R S806 : VOL DOWN –CN001 PW W CN00A

MAIN PWB ASS’Y FRONT

CN001 Z

W

DEG 1

T

IC702 IC701

HV

GND B16151

S HVT

(J805: For AV-29W93B/BK, AV-29W83B/VT only) 6 1

U

J805 J801 J802 J803 J804

AV IN/OUT TU001 UPPER : FOCUS (F1)

MIDDLE : FOCUS (F2) LOWER : SCREEN

CRT SOCKET PWB ASS’Y (SOLDER SIDE) TOP

TP-47B TP-E TP-47G E161TU16CRT EARTH (BRAIDED ASS'Y)

No. 52070 15

,

BASIC OPERATION IN SERVICE MENU

1. TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the remote control unit. 2. SERVICE MENU ITEMS With the SERVICE MENU,various settings (adjustments)can be made,and they are broadly classified in the following items of settings: • 1.IF ...For entering/adjusting the setting values (adjustment values)of the IF circuit. • 2.VC ...For entering/adjusting the setting values (adjustment values)of the VIDEO/CHROMA circuit. • 3.DEF ...For entering/adjusting the setting values (adjustment values)of the DEFLECTION circuit. • 4.VSM PRESET ... For setting the values of STANDARD,SOFT and BRIGHT. (VSM:video status memory) • 5.PRESET ...For setting the values of the preset. • 6.A2NICAM ...For entering/adjusting the setting values (adjustment values)of the multiplicity sound circuit. [AV-29W93/BK, AV-29W93B/BK only] • 6/7. PLUG & PLAY (ON) ...This is not used for service. 3. BASIC OPERATION IN SERVICE MENU (1) How to enter SERVICE MENU Press the DISPLAY key and the PICTURE MODE key on the remote control unit simultaneously. The SERVICE MENU screen will be displayed. (See Fig. 1 on the next page.) (2) Selection of SUB MENU SCREEN Press one of the keys 1 to 7 on the remote control unit,and select the SUB MENU SCREEN from the SERVICE MENU. (See Fig.1 on the next page.) SERVICE MENU → SUB MENU 1. IF 2. VC 3. DEF 4. VSM PRESET 5. PRESET 6. A2NICAM [AV-29W93/BK, AV-29W93B/BK only] 6/7. PLUG & PLAY (ON) (3) Method of Setting *Once the setting values are set,they are memorized automatically. *It must not adjust without inputting a signal. 1) 1. IF [1.VCO ] (a) 1 Key ... Select 1. IF. (b) 1 Key ... Select 1. VCO. (c) DISPLAY Key ... When this is pressed twice, you will return to the SERVICE MENU. • Under normal conditions, no adjustment is required. [2.DELAY POINT ] (a) 1 Key ... Select 1. IF. (b) 2 Key ... Select 2.DELAY POINT. (c) MENU */TKey ... Adjust the setting value. (d) DISPLAY Key ... When this is pressed twice, you will return to the SERVICE MENU. 2) 2. VC, 3. DEF, 4. VSM PRESET, 5. PRESET and 6. A2NICAM (a) 2 ~6 Keys ... Select one from 2. VC, 3. DEF, 4. VSM PRESET, 5. PRESET and 6. A2NICAM. (b) MENU &/^ key ... Select setting items. (c) MENU */TKey ... Adjust the setting values of the setting items. • Use the number keys on the remote control unit for setting of WHITE BALANCE. For the setting, refer to each item concerned. (d) DISPLAY Key ... When this is pressed, you will return to the SERVICE MENU. 3) 6/7. PLUG & PLAY (ON) This is not used for service. (4) Release of SERVICE MENU After completing the setting, return to the SERVICE MENU by pressing the DISPLAY key, then again press the DISPLAY key to return to the normal screen. 16 No. 52070,

SERVICE MENU SUB MENU 1. IF

SERVICE MENU

IF

1. IF 2. VC VCO (CW) *****MHz 3. DEF 4. VSM PRESET TOO HIGH 5. PRESET 6. A2NICAM 1. VCO ABOVE REFERENCE 7. PLUG & PLAY (ON) 2. DELAY POINT BELOW REFERENCE 1-7 : SELECT DISPLAY : EXIT TOO LOW 1-2 : SELECT DISPLAY : EXIT ******* **** ***** ***** DISPLAY : EXIT **** **** *** *** [AV-29W93/BK, AV-29W93B/BK] SERVICE MENU 1. IF 2. VC DELAY POINT UHF 3. DEF 4. VSM PRESET 5. PRESET AGC TAKE-OVER 6. PLUG & PLAY (ON) ** 1-6 : SELECT DISPLAY : EXIT ******* **** ***** ***** - /+: OPERATE DISPLAY : EXIT **** **** *** *** [AV-29W83/BK, AV-29W83B/VT, AV-29W83/VT ] SUB MENU 2. VC Setting item V/C AUTO 1. CUTOFF (R/G) 2. DRIVE (R/G/B) 1. CUTOFF (R) ** 3. BRIGHT (G) ** 4. CONT 50 Hz 5. COLOUR 6. TINT MENU 89: SELECT 7. SHARP MENU - /+: OPERATE DISPLAY : EXIT 8. YDELAY 9. AMP T.SHARP

SUB MENU 6. A2NICAM

[AV-29W93/BK, AV-29W93B/BK] SUB MENU 3. DEF 4 : 3 / 16 : 9 A2NICAM *****MHz Setting item 1. ERROR LIMIT **** DEF 4 : 3 PAL C AD BITS ****** 1. VER. SLOPE 1. VER. SLOPE 7. EW-PIN NICAM ERROR ****** 2. VER. HEIGHT 8. EW-TRAPEZ 3. VER. POSITION 9. UP CORNER 50Hz 4. VER. SCURVE 10. DW CORNER 5. HOR. POSITION 11. HOR. PARALL MENU 89: SELECT 6. HOR. WIDTH 12. HOR. BOW MENU 89: SELECT MENU - /+: OPERATE DISPLAY : EXIT 13. V. ZOOM MENU - /+: OPERATE DISPLAY : EXIT Setting item SUB MENU 4. VSM PRESET BRIGHT / STD / SOFT 1. ERROR LIMIT 2. A2 ID THR STANDARD Setting item 3. SOUND SYSTEM TINT ** 1. TINT COLOUR ** 2. COLOUR BRIGHT ** 3. BRIGHT PICTURE ** 4. PICTURE DETAIL ** 5. DETAIL MENU 89: SELECT MENU - /+: OPERATE DISPLAY : EXIT

SUB MENU 5. PRESET

Setting item PRESET 50Hz B/G PAL 1. PSNS 10. AFCW 20. PEAK 1. PSNS * 2. ACL 11. VSW 21. IVG 3. MUS 12. FFI 22. WPL 4. MAT 13. AGC 23. SOFT CLIPPER 5. FCO 14. CL 24. IF PLL OFFSET 6. BPS 15. AKB 25. OVERSHOOT MENU 89: SELECT 7. IFLH 16. HBL 26. HCO 8. VID 17. BKS 27. HP2 MENU - /+: OPERATE DISPLAY : EXIT 9. STM 18. READ STATUS 28. AI VOLUME ADN 19. VNR 31. CCCLOOP

Fig. 1 No. 52070 17

,

ADJUSTMENTS B1 POWER SUPPLY

Measuring Item Test point Adjustment part Description instrument Check of Signal B1 (pin 1) 1. Receive a black and white signal. B1 POWER generator GND (pin 5) 2. Connect a DC voltmeter between B1 and GND SUPPLY [CN00S (between pins 1 and 5 of the connector CN00S). DC voltmeter connector 3. Make sure that the voltage is DC134.5 ± 2V. in MAIN PWB]

FOCUS ADJUSTMENT

Measuring Item instrument Test point Adjustment part Description Adjustment Signal FOCUS VR Notes: of FOCUS generator [In HVT] • Set PICTURE MODE (VSM) to “BRIGHT”. • The final adjustment of CONVERGENCE must be done after the FOCUS adjustment. (CONVERGENCE is changed by FOCUS ad- justment.) When makes difference by FOCUS adjustment, should be reconfirming PURITY adjustment. 1. Receive a cross-hatch signal. 2. While looking at the screen centre, adjust the FOCUS VR so that the vertical and horizontal lines will be clear and in fine detail. 3. Make sure that the picture is in focus even when the screen gets darkened.

IF CIRCUIT ADJUSTMENTS

Measuring Item instrument Test point Adjustment part Description Adjustment Remote VCO (CW) Note: of VCO (CW) control unit • Under normal conditions, no adjustment is required. 1. Select 1. IF from the SERVICE MENU. 2. Select 1. VCO by pressing the 1 key on the remote control unit. VCO (CW) . MHz fv 3. Receive a broadcast signal. 4. Check the characters colour of the BELOW REFERENCE displayed TOO HIGH ABOVE REFERENCE to yellow. BELOW REFERENCE YELLOW 5. Press the DISPLAY key three times to return to normal screen. TOO LOW DISPLAY : EXIT Adjustment Remote DELAY POINT 1. Receive a black and white broadcast signal (colour off). of DELAY control unit 2. Select 1. IF from the SERVICE MENU. POINT 3. Select 2. DELAY POINT by pressing the 2 key on the remote con- (AGC trol unit. TAKE-OVER) 4. Adjust the MENU */Tkey in order to eliminate any noise or beat from the image. Any increase above the initial value produces noise Setting Initial setting value and any decrease below it produces beat. (Adjustment time) NTSC 3.58 OTHERS 5. Press the DISPLAY key three times to return to the normal screen. 6. Turn to other channels and make sure that there are no irregulari- DELAY POINT 30 26 (AGC TAKE-OVER) ties. 18 No. 52070,

VC (VIDEO/CHROMA) CIRCUIT ADJUSTMENTS

The setting (adjustment) using the remote control unit is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. • Do not change the initial setting values of the setting (adjustment) items not listed in “ADJUSTMENT”. [SUB MENU 2. VC] : Do not adjust. Setting (Adjustment) Initial setting valueVariable range item PAL SECAM NTSC3.58 NTSC4.43 COMPONENT (V-2) 1 CUT-OFF (R/G) -32 – +31 0/0 -2/+14 2 DRIVE (R/G/B) -32 – +31 0/0/0 3 BRIGHT (TV/V-1/V-2/V-3) -32 – +31 -13/0/0/+1 0/0/-1/0 4 CONT -32 – +31 -10 — COLOUR *1 -4 -13 -11 +1 — 5 -32 – +31 COLOUR (TV/VIDEO) *2 -4/— -13/— —/-11 —/+1 —/0 TINT (TV/VIDEO) *1 — — -15/+2 —/+1 — 6 -32 – +31 TINT (TV/VIDEO) *2 — — —/+6 —/+1 — 7 SHARP (TV/VIDEO) -32 – +31 -28/-22 —/08YDELAY (TV/VIDEO) -8 – +7 -7/+1 0/+1 0/0 0/+1 9 AMP T. SHARP -32 – +31 0 *1: AV-29W93/BK, AV-29W93B/BK, AV-29W83B/VT, AV-29W83/VT *2: AV-29W83/BK Measuring Item Test point Adjustment part Description instrument Adjustment Signal 1.CUTOFF (R) Note: of WHITE generator CUTOFF (G) • Set PICTURE MODE (VSM) to “BRIGHT”.

BALANCE

(Low light) Remote SCREEN VR control unit [In HVT] 1. Receive a PAL black and white signal (colour off). 2. Select 2. VC from the SERVICE MENU. 3. Select 1. CUTOFF (R) and (G) with MENU &/^ key, and set each value to initial setting value with the 4 and 7 keys, or 5 and 8 keys on V/C PAL the remote control unit. 1. CUTOFF (R) ** 4. Press the 1 key on the remote control unit to produce a single hori- (G) ** zontal line. 50 Hz 5. Turn the SCREEN VR fully counterclockwise, then slowly turn it clock- wise to where a red, blue or green colour is faintly visible. MENU 89: SELECT 6. Use the keys 4 and 7 or 5 and 8 on the remote control unit and MENU - /+: OPERATE DISPLAY : EXIT adjust the other 2 colours to where the single horizontal line ap- pears white. 7. Turn the SCREEN VR to where the single horizontal line glows faintly. 8. Press the 2 key to return to 1. CUTOFF screen. REMOTE CONTROL UNIT 9. Press the DISPLAY key twice to return to the normal screen. H.LINE OFF Setting (Adjustment) Variable Initial setting123Item range value H.LINE ON R –32 — +31 0 G. LEVEL (8) 1. CUT OFF456G–32 — +31 0 R. LEVEL (8) 789R. LEVEL (9) G. LEVEL (9) No. 52070 19, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 2.DRIVE (R) Notes: of WHITE generator DRIVE (G) • Proceed to the following adjustment after having completed the ad- BALANCE DRIVE (B) justment of LOW LIGHT WHITE BALANCE. (High light) Remote • Set PICTURE MODE (VSM) to “BRIGHT”. control unit V/C PAL 1. Receive a PAL black and white signal (colour off). 2. DRIVE (R) ** 2. Select 2. VC from the SERVICE MENU. (G) ** 3. Select 2. DRIVE (R), (G) and (B) with MENU &/^ key, and set (B) 50 Hz ** each value to initial setting value with the 4 to 9 keys on the remote control unit. MENU 89: SELECT 4. Use the keys 4 to 9 to produce a white screen. MENU - /+: OPERATE DISPLAY : EXIT 5. Press the DISPLAY key twice to return to the normal screen. Setting (Adjustment) Variable Initial setting Item range value REMOTE CONTROL UNIT R –32 — +31 0 2. DRIVE G –32 — +310123B–32 — +31 0 G. DRIVE (8) 456R. DRIVE (8) B. DRIVE (8) 789R. DRIVE (9) B. DRIVE (9) G.DRIVE (9) Adjustment Remote 3. BRIGHT Notes: of control unit • Proceed to the following adjustment after having completed the ad- SUB BRIGHT justments of LOW LIGHT WHITE BALANCE and HIGH LIGHT WHITE BALANCE. • Set PICTURE MODE (VSM) to “BRIGHT”. 1. Receive a broadcast. 2. Select 2. VC from the SERVICE MENU. 3. Select 3. BRIGHT with the MENU &/^ key. 4. Set the initial setting value with the MENU */Tkey. 5. If the brightness is not best with the initial setting value, make fine adjustment until you get the best brightness. 6. Press the DISPLAY key twice to return to the normal screen. Adjustment Remote 4. CONT Notes: of control unit • Proceed to the following adjustment after having completed the ad- SUB justment of SUB BRIGHT. CONTRAST • Set PICTURE MODE (VSM) to “BRIGHT”. 1. Receive a broadcast. 2. Select 2. VC from the SERVICE MENU. 3. Select 4. CONT with the MENU &/^ key. 4. Set the initial setting value with the MENU */Tkey. 5. If the contrast is not best with the initial setting value, make fine adjustment until you get the best contrast. 6. Press the DISPLAY key twice to return to the normal screen. 20 No. 52070, Measuring Item Test point Adjustment part Description instrument Adjustment Remote 5. COLOUR [Method of adjustment without measuring instrument] of control unit Notes: SUB • Proceed to the following adjustment after having completed the ad- COLOUR-I justment of SUB CONT. • Set PICTURE MODE (VSM) to “BRIGHT”. – PAL COLOUR – 1. Receive a PAL broadcast. 2. Select 2. VC from the SERVICE MENU. 3. Select 5. COLOUR with the MENU &/^ key. 4. Set the initial setting value for PAL COLOUR with the MENU */Tkey. 5. If the colour is not best with the initial setting value, make fine ad- justment until you get the best colour. 6. Press the DISPLAY key twice to return to the normal screen. – SECAM COLOUR – 7. Receive a SECAM broadcast. 8. Press the COLOUR SYSTEM button on the remote control unit to select the SECAM colour system. 9. Make fine adjustment of SECAM COLOUR in the same way as for “PAL COLOUR”. – NTSC 3.58 COLOUR – 10. Receive a NTSC 3.58MHz broadcast. 11. Press the COLOUR SYSTEM button on the remote control unit to select the NTSC 3.58 colour system. 12. Make similar fine adjustment of NTSC 3.58 COLOUR in the same way as for “PAL COLOUR”. – NTSC 4.43 COLOUR – When adjustment is done for NTSC 3.58 COLOUR, appropriate values are automatically set for NTSC 4.43 COLOUR. Adjustment Signal TP-47G 5. COLOUR [Method of adjustment using measuring instrument] of generator TP-E (H) Notes: SUB [CRT • Proceed to the following adjustment after having completed the ad- COLOUR-II Oscilloscope SOCKET justment of SUB CONT. PWB] • Set PICTURE MODE (VSM) to “BRIGHT”. Remote – PAL COLOUR – control unit 1. Receive a PAL colour bar signal (full field colour bar 75% white). 2. Select 2. VC from the SERVICE MENU. 3. Select 5. COLOUR with the MENU &/^ key. 4. Set the initial setting value of PAL COLOUR with the MENU */Tkey. 5. Connect the oscilloscope between TP-47G and TP-E. 6. Adjust PAL COLOUR to set the value (A) in the figure to +14V (VW-G). – SECAM COLOUR – B 7. Receive a SECAM colour bar signal (full field colour bar 75% white). Mg 8. Press the COLOUR SYSTEM button on the remote control unit to R select the SECAM colour system. (A) 9. Set the initial setting value of SECAM COLOUR with the MENU */Tkey. Cy (–) 10. Adjust SECAM COLOUR to set the value (A) in the figure to +6V 0VYG(+) (VW-G). W – NTSC 3.58 COLOUR – 11. Receive a NTSC 3.58 colour bar signal (full field colour bar 75% white). 12. Press the COLOUR SYSTEM button on the remote control unit to select the NTSC 3.58 colour system. 13. Set the initial setting value of NTSC 3.58 COLOUR with the MENU */Tkey. 14. Adjust NTSC 3.58 COLOUR to set the value (A) in the figure to +3V (VW-G). – NTSC 4.43 COLOUR – When adjustment is done for NTSC 3.58 COLOUR, appropriate values are automatically set for NTSC 4.43 COLOUR. No. 52070 21, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 6. TINT [Method of adjustment without measuring instrument] of generator Notes: SUB TINT-I • Proceed to the following adjustment after having completed the ad- Remote justment of SUB CONT. control unit • Set PICTURE MODE (VSM) to “BRIGHT”. – NTSC 3.58 TINT – 1. Receive a NTSC 3.58 colour bar signal (full field colour bar 75% white). 2. Press the COLOUR SYSTEM button on the remote control unit to select the NTSC 3.58 colour system. 3. Select 2. VC from the SERVICE MENU. 4. Select 6. TINT with the MENU &/^ key. 5. Set the initial setting value of NTSC 3.58 with the MENU */Tkey. 6. If you cannot get the best tint with the initial setting value, make fine adjustment until you get the best tint. 7. Press the DISPLAY key twice to return to the normal screen. – NTSC 4.43 TINT – When adjustment is done for NTSC 3.58 TINT, appropriate values are automatically set for NTSC 4.43 TINT. Adjustment Signal TP-47G 6. TINT [Method of adjustment using measuring instrument] of generator TP-E (H) Notes: SUB TINT-II [CRT • Proceed to the following adjustment after having completed the ad- Oscilloscope SOCKET justment of SUB CONT. PWB] • Set PICTURE MODE (VSM) to “BRIGHT”. Remote control unit – NTSC 3.58 TINT – 1. Receive a NTSC 3.58 colour bar signal (full field colour bar 75% white). 2. Press the COLOUR SYSTEM button on the remote control unit to select the NTSC 3.58 colour system. B 3. Select 2. VC from the SERVICE MENU. Mg 4. Select 6. TINT with the MENU &/^ key. R 5. Set the initial setting value of NTSC 3.58 with the MENU */Tkey. (B) Cy 6. Connect the oscilloscope between TP-47G and TP-E. (–) 7. Adjust NTSC 3.58 TINT to set the value (B) in the figure to +1V (VW-Cy). 0VWG(+) 8. Press the DISPLAY key twice to return to the normal screen.Y – NTSC 4.43 TINT – When adjustment is done for NTSC 3.58 TINT, appropriate values are automatically set for NTSC 4.43 TINT. 22 No. 52070,

DEFLECTION CIRCUIT ADJUSTMENTS

The setting (adjustment) using the remote control unit is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. Note: Proceed to the following adjustment after having completed the adjustments of SUB BRIGHT and SUB PICTURE. [SUB MENU 3. DEF] Setting Initial setting value (Adjustment) Variable range 4:3 COMPRESS(16:9) COMPONENT item 50Hz 60Hz 50Hz 60Hz DVD (50Hz) 1. VER. SLOPE –32 — +31 +2000— 2. VER. HEIGHT –32 — +31 +31 0 –26 –29 — 3. VER. POSITION –32 — +31 –3 –1 –3 +2 — 4. VER. SCURVE –32 — +31 –10 0 –10 0 — 5. HOR. POSITION –32 — +31 0 +7 0 +7 +7 6. HOR. WIDTH –32 — +31 +11 –1 +11 –1 — 7. EW-PIN –32 — +31 –12 –1 –13 –12 — 8. EW-TRAPEZ –32 — +31 –400–1 — 9. UP CORNER –32 — +31 –20000— 10. DW CORNER –32 — +31 –19000— 11. HOR. PARALL –32 — +310000— 12. HOR. BOW –32 — +310000— 13. V.ZOOM –32 — +31 –1 –1 +14 +14 — [COMPRESS (16:9) : OFF, fv: 50Hz mode] Measuring Item Test point Adjustment part Description instrument Adjustment Signal 1. VER. SLOPE 1. Receive a PAL circle pattern signal of vertical frequency 50Hz. of generator 2. Select 3. DEF from the SERVICE MENU. V. SLOPE 3. Select 1. VER. SLOPE with the MENU &/^ key. Remote 4. Set the initial setting value of 1. VER. SLOPE with the MENU control unit */Tkey. 5. Adjust 1. VER. SLOPE to make “A = B” with the MENU */Tkey.

A

Blanking line

B

Adjustment Signal 3. VER. POSITION 6. Select 3. VER. POSITION with the MENU &/^ key. of generator 7. Set the initial setting value of 3. VER. POSITION with the MENU V. POSITION */Tkey. Remote 8. Adjust 3. VER. POSITION to make “A = B” with the MENU */Tkey. control unit

A

(to be continued)

B

No. 52070 23, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 2. VER. HEIGHT 9. Receive a PAL cross-hatch signal. of generator 13. V. ZOOM 10. Select 2. VER. HEIGHT with the MENU &/^ key. V. HEIGHT 11. Set the initial setting value of 2. VER. HEIGHT with the MENU Remote */Tkey. control unit 12. Select 13. V. ZOOM with the MENU &/^ key. 13. Set the initial setting value of 13. V. ZOOM with the MENU */Tkey. 14. Adjust 13. V. ZOOM and make the vertical screen size 91% of the picture size with the MENU */Tkey. Screen Picture size size 91% 100% Adjustment Signal 5. HOR. POSITION 15. Receive a PAL circle pattern signal. of generator 16. Select 5. HOR. POSITION with the MENU &/^ key. H. POSITION 17. Set the initial setting value of 5. HOR. POSITION with the MENU Remote */Tkey. control unit 18. Adjust 5. HOR POSITION to make “C=D” with the MENU */Tkey. C D Adjustment Signal 6. HOR. WIDTH 19. Receive a PAL cross-hatch signal. of generator 20. Select 6. HOR. WIDTH with the MENU &/^ key. H. WIDTH 21. Set the initial setting value of 6. HOR. WIDTH with the MENU Remote */Tkey. control unit 22. Adjust 6. HOR. WIDTH and make the horizontal screen size 91% of the picture size with the MENU */Tkey. Screen size 91% (to be continued) Picture size 100% 24 No. 52070, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 7. EW-PIN 23. Select 7. EW-PIN with the MENU &/^ key. of generator 24. Set the initial setting value of 7. EW-PIN with the MENU */Tkey. SIDE PIN 25. Adjust 7. EW-PIN so that the first vertical lines at the left and right Remote edges on the screen are straight. control unit Straight Adjustment Signal 8. EW-TRAPEZ 26. Select 8. EW-TRAPEZ with the MENU &/^ key. of generator 27. Set the initial setting value of 8. EW-TRAPEZ with the MENU TRAPEZIUM */Tkey. Remote 28. Adjust 8. EW-TRAPEZ so that the vertical lines at the left and right control unit edges on the screen are in parallel. Parallel Adjustment Signal 4. VER. SCURVE 29. Select 4. VER. SCURVE with the MENU &/^ key. of generator 30. Set the initial setting value of 4. VER. SCURVE with the MENU V.S-CURVE */Tkey. Remote 31. Adjust 4. VER. SCURVE so that the spaces of each line on TOP, control unit CENTRE and BOTTOM become uniform.

TOP

(to be continued)

CENTRE BOTTOM

No. 52070 25, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 9. UP CORNER 32. Select 9. UP CORNER with the MENU &/^ key. of generator 10. DW CORNER 33. Set the initial setting value of 9. UP CORNER with the MENU CORNER */Tkey. Remote 34. Select 10. DW CORNER with the MENU &/^ key. control unit 35. Set the initial setting value of 10. DW CORNER with the MENU */Tkey. 36. Adjust 9. UP CORNER and 10. DW CORNER so that the vertical lines at the four corners on the screen are straight. Adjustment Signal 11. HOR. PARALL 37. Select 11. HOR. PARALL with the MENU &/^ key. of generator 38. Set the initial setting value of 11. HOR. PARALL with the MENU H. PARALLEL */Tkey. Remote 39. Adjust 11. HOR. PARALL to optimize the parallelogram distortion. control unit Adjustment Signal 12. HOR. BOW 40. Select 12. HOR. BOW with the MENU &/^ key. of generator 41. Set the initial setting value of 12. HOR. BOW with the MENU */ H. BOW Tkey. Remote 42. Adjust 12. HOR. BOW to optimize the horizontal arc distortion. control unit 43. Press the DISPLAY key twice to return to the normal screen. Straight 26 No. 52070, [COMPRESS (16 : 9) : OFF, fv: 60Hz mode ] Measuring Item Test point Adjustment part Description instrument Adjustment Signal 1. VER. SLOPE 1. Receive a NTSC circle pattern signal of vertical frequency 60Hz. of generator 2. Select 3. DEF from the SERVICE MENU. V. SLOPE 3. Select 1. VER. SLOPE with the MENU &/^ key. Remote 4. Set the initial setting value of 1. VER. SLOPE with the MENU control unit */Tkey. 5. Adjust 1. VER. SLOPE to make “A = B” with the MENU */Tkey.

A

Blanking line

B

Adjustment Signal 3. VER. POSITION 6. Select 3. VER. POSITION with the MENU &/^ key. of generator 7. Set the initial setting value of 3. VER. POSITION with the MENU V. POSITION */Tkey. Remote 8. Adjust 3. VER. POSITION to make “A = B” with the MENU */Tkey. control unit

A

(to be continued)

B

No. 52070 27, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 2. VER. HEIGHT 9. Receive a NTSC cross-hatch signal. of generator 13. V. ZOOM 10. Select 2. VER. HEIGHT with the MENU &/^ key. V. HEIGHT 11. Set the initial setting value of 2. VER. HEIGHT with the MENU Remote */Tkey. control unit 12. Select 13. V. ZOOM with the MENU &/^ key. 13. Set the initial setting value of 13. V. ZOOM with the MENU */Tkey. 14. Adjust 13. V. ZOOM and make the vertical screen size 91% of the picture size with the MENU */Tkey. Screen Picture size size 91% 100% Adjustment Signal 5. HOR. POSITION 15. Receive a NTSC circle pattern signal. of generator 16. Select 5. HOR. POSITION with the MENU &/^ key. H. POSITION 17. Set the initial setting value of 5. HOR. POSITION with the MENU Remote */Tkey. control unit 18. Adjust 5. HOR POSITION to make “C=D” with the MENU */Tkey. C D Adjustment Signal 6. HOR. WIDTH 19. Receive a NTSC cross-hatch signal. of generator 20. Select 6. HOR. WIDTH with the MENU &/^ key. H. WIDTH 21. Set the initial setting value of 6. HOR. WIDTH with the MENU Remote */Tkey. control unit 22. Adjust 6. HOR. WIDTH and make the horizontal screen size 91% of the picture size with the MENU */Tkey. Screen size 91% (to be continued) Picture size 100% 28 No. 52070, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 7. EW-PIN 23. Select 7. EW-PIN with the MENU &/^ key. of generator 24. Set the initial setting value of 7. EW-PIN with the MENU */Tkey. SIDE PIN 25. Adjust 7. EW-PIN so that the first vertical lines at the left and right Remote edges on the screen are straight. control unit Straight Adjustment Signal 8. EW-TRAPEZ 26. Select 8. EW-TRAPEZ with the MENU &/^ key. of generator 27. Set the initial setting value of 8. EW-TRAPEZ with the MENU TRAPEZIUM */Tkey. Remote 28. Adjust 8. EW-TRAPEZ so that the vertical lines at the left and right control unit edges on the screen are in parallel. Parallel Adjustment Signal 4. VER. SCURVE 29. Select 4. VER. SCURVE with the MENU &/^ key. of generator 30. Set the initial setting value of 4. VER. SCURVE with the MENU V.S-CURVE */Tkey. Remote 31. Adjust 4. VER. SCURVE so that the spaces of each line on TOP, control unit CENTRE and BOTTOM become uniform.

TOP

(to be continued)

CENTRE BOTTOM

No. 52070 29, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 9. UP CORNER 32. Select 9. UP CORNER with the MENU &/^ key. of generator 10. DW CORNER 33. Set the initial setting value of 9. UP CORNER with the MENU CORNER */Tkey. Remote 34. Select 10. DW CORNER with the MENU &/^ key. control unit 35. Set the initial setting value of 10. DW CORNER with the MENU */Tkey. 36. Adjust 9. UP CORNER and 10. DW CORNER so that the vertical lines at the four corners on the screen are straight. Adjustment Signal 11. HOR. PARALL 37. Select 11. HOR. PARALL with the MENU &/^ key. of generator 38. Set the initial setting value of 11. HOR. PARALL with the MENU H. PARALLEL */Tkey. Remote 39. Adjust 11. HOR. PARALL to optimize the parallelogram distortion. control unit Adjustment Signal 12. HOR. BOW 40. Select 12. HOR. BOW with the MENU &/^ key. of generator 41. Set the initial setting value of 12. HOR. BOW with the MENU */ H. BOW Tkey. Remote 42. Adjust 12. HOR. BOW to optimize the horizontal arc distortion. control unit 43. Press the DISPLAY key twice to return to the normal screen. Straight 30 No. 52070, [COMPRESS (16 : 9) : ON, fv: 50Hz mode ] Measuring Item Test point Adjustment part Description instrument Adjustment Signal 13. V. ZOOM 1. Receive a PAL cross-hatch signal of vertical frequency 50Hz. of generator 2. VER. HEIGHT 2. Select COMPRESS from the MENU and set COMPRESS to ON. V. HEIGHT 3. Select 3. DEF from the SERVICE MENU. Remote 4. Set the initial setting value of 13. V. ZOOM with the MENU */Tkey. control unit 5. Select 2. VER. HEIGHT with the MENU &/^ key. 6. Set the initial setting value of 2. VER. HEIGHT with the MENU */Tkey. 7. Adjust 2. VER. HEIGHT to set the vertical amplitude of the image to Screen size 305mm. Screen Vertical size amplitude Adjustment Signal 1. VER. SLOPE 8. Receive a PAL circle pattern signal of vertical frequency 50Hz. of generator 9. Select 3. DEF from the SERVICE MENU. V. SLOPE 10. Select 1. VER. SLOPE with the MENU &/^ key. Remote 11. Set the initial setting value of 1. VER. SLOPE with the MENU control unit */Tkey. 12. Adjust 1. VER. SLOPE to make “A = B” with the MENU */Tkey.

A

Blanking (to be continued) line

B

No. 52070 31, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 7. EW-PIN 13. Receive a PAL cross-hatch signal. of generator 14. Select 7. EW-PIN with the MENU &/^ key. SIDE PIN 15. Set the initial setting value of 7. EW-PIN with the MENU */Tkey. Remote 16. Adjust 7. EW-PIN so that the first vertical lines at the left and right control unit edges on the screen are straight. Straight Adjustment Signal 8. EW-TRAPEZ 17. Select 8. EW-TRAPEZ with the MENU &/^ key. of generator 18. Set the initial setting value of 8. EW-TRAPEZ with the MENU TRAPEZIUM */Tkey. Remote 19. Adjust 8. EW-TRAPEZ so that the vertical lines at the left and right control unit edges on the screen are in parallel. Parallel Adjustment Signal 9. UP CORNER 20. Select 9. UP CORNER with the MENU &/^ key. of generator 10. DW CORNER 21. Set the initial setting value of 9. UP CORNER with the MENU CORNER */Tkey. Remote 22. Select 10. DW CORNER with the MENU &/^ key. control unit 23. Set the initial setting value of 10. DW CORNER with the MENU */Tkey. 24. Adjust 9. UP CORNER and 10. DW CORNER so that the vertical lines at the four corners on the screen are straight. 25. Press the DISPLAY key twice to return to the normal screen. 32 No. 52070, [COMPRESS (16 : 9) : ON, fv: 60Hz mode ] Measuring Item Test point Adjustment part Description instrument Adjustment Signal 13. V. ZOOM 1. Receive a NTSC cross-hatch signal of vertical frequency 60Hz. of generator 2. VER. HEIGHT 2. Select COMPRESS from the MENU and set COMPRESS to ON. V. HEIGHT 3. Select 3. DEF from the SERVICE MENU. Remote 4. Set the initial setting value of 13. V. ZOOM with the MENU */Tkey. control unit 5. Select 2. VER. HEIGHT with the MENU &/^ key. 6. Set the initial setting value of 2. VER. HEIGHT with the MENU */Tkey. 7. Adjust 2. VER. HEIGHT to set the vertical amplitude of the image to Screen size 305mm. Screen Vertical size amplitude Adjustment Signal 1. VER. SLOPE 8. Receive a NTSC circle pattern signal of vertical frequency 60Hz. of generator 9. Select 3. DEF from the SERVICE MENU. V. SLOPE 10. Select 1. VER. SLOPE with the MENU &/^ key. Remote 11. Set the initial setting value of 1. VER. SLOPE with the MENU control unit */Tkey. 12. Adjust 1. VER. SLOPE to make “A = B” with the MENU */Tkey.

A

Blanking line

B

(to be continued) No. 52070 33, Measuring Item Test point Adjustment part Description instrument Adjustment Signal 7. EW-PIN 13. Receive a NTSC cross-hatch signal. of generator 14. Select 7. EW-PIN with the MENU &/^ key. SIDE PIN 15. Set the initial setting value of 7. EW-PIN with the MENU */Tkey. Remote 16. Adjust 7. EW-PIN so that the first vertical lines at the left and right control unit edges on the screen are straight. Straight Adjustment Signal 8. EW-TRAPEZ 17. Select 8. EW-TRAPEZ with the MENU &/^ key. of generator 18. Set the initial setting value of 8. EW-TRAPEZ with the MENU TRAPEZIUM */Tkey. Remote 19. Adjust 8. EW-TRAPEZ so that the vertical lines at the left and right control unit edges on the screen are in parallel. Parallel Adjustment Signal 9. UP CORNER 20. Select 9. UP CORNER with the MENU &/^ key. of generator 10. DW CORNER 21. Set the initial setting value of 9. UP CORNER with the MENU CORNER */Tkey. Remote 22. Select 10. DW CORNER with the MENU &/^ key. control unit 23. Set the initial setting value of 10. DW CORNER with the MENU */Tkey. 24. Adjust 9. UP CORNER and 10. DW CORNER so that the vertical lines at the four corners on the screen are straight. 25. Press the DISPLAY key twice to return to the normal screen. 34 No. 52070, [VIDEO - 2 SET : COMPONENT, fv: 50/60Hz mode] Measuring Item Test point Adjustment part Description instrument Adjustment Signal 5. HOR. POSITION 1. Receive a PAL circle pattern signal to VIDEO-2 terminal. of generator 2. Select VIDEO-2 SET from the MENU and set VIDEO-2 SET to H. POSITION COMPONENT. Remote 3. Select 3. DEF from the SERVICE MENU. control unit 4. Select 5. HOR. POSITION with the MENU &/^ key. 5. Set the initial setting value of 5. HOR. POSITION with the MENUCD*/Tkey. 6 Adjust 5. HOR POSITION to make “C=D” with the MENU */Tkey. 7. Press the DISPLAY key twice to return to the normal screen.

VSM PRESET SETTING

Measuring Item instrument Test point Adjustment part Description Setting of Remote 1. TINT 1. Select 4. VSM PRESET from the SERVICE MENU. VSM control unit 2. COLOUR 2. Select BRIGHT with the PICTURE MODE key. PRESET 3. BRIGHT 3. Adjust the MENU &/^ key and MENU */Tkey to reset the set 4. PICTURE values of 1. TINT – 5. DETAIL to the values shown in the table. 5. DETAIL 4. Respectively select the VSM PRESET mode for SOFT and STAND- ARD, and make similar adjustment as in 3 above. 5. Press the DISPLAY key twice to return to the normal screen. SUB MENU 4. VSM PRESET [Setting Values for SUB MENU 4. VSM PRESET] BRIGHT VSM preset TINT ** VSM mode BRIGHT STANDARD SOFT COLOUR ** Setting item BRIGHT ** PICTURE ** 1. TINT DETAIL ** SETTING VALUE 15 MENU 89: SELECT 2. COLOUR MENU - /+: OPERATE DISPLAY : EXIT SETTING VALUE 15 3. BRIGHT SETTING VALUE 15 4. PICTURE 30 15 11 SETTING VALUE 5. DETAIL 15 7 SETTING VALUE

No. 52070 35

, PRESET SETTING • Do not adjust 5. PRESET in the SERVICE MENU as it requires no adjustment. [SUB MENU 5. PRESET] Setting item Variable range Initial setting value 1 PSNS 0/102ACL 0/103MUS 0/104MAT 0/105FCO 0/106BPS 0/107IFLH 0/108VID 0/109STM 0/1 0 10 AFCW 0/1 0 11 VSW 0/1 0 12 FFI 0/1 0 13 AGC 00/01/10/11 01 14 CL 50 – 95 50 15 AKB 0/1 0 16 HBL 0/1 0 17 BKS 0/1 1 18 READ STATUS — — 19 VNR 00 – 63 25 20 PEAK 0 – 3 1 21 IVG 0/1 1 22 WPL 0 – F 5 23 SOFT CLIPPER 0 – 3 0 24 IF PLL OFFSET 0 – 63 32 25 OVERSHOOT 0 – 3 3 26 HCO 0/1 0 27 HP2 0/1 0 28 AI VOLUME ADN 00/01/10/11 10 31 CCCLOOP 0 – 4 0 AUDIO ADJUSTMENT [AV-29W93/BK, AV-29W93B/BK only] • Do not adjust 6. A2NICAM (1.ERROR LIMIT, 2.A2 ID THR, 3.SOUND SYSTEM) in the SERVICE MENU as it requires no adjustment. [SUB MENU 6. A2NICAM] Setting item Variable range Initial setting value (fixed) 1. ERROR LIMIT (Do not adjust.) 000H – FF0H 100H 2. A2 ID THR (Do not adjust.) 00H – FFH 0AH 3. SOUND SYSTEM (Do not adjust.) 36 No. 52070,

PURITY ADJUSTMENT (AV-29W83/BK, AV-29W93/BK, AV-29W93B/BK only)

Note: The final adjustment of CONVERGENCE must be done after the FOCUS adjustment. (CONVERGENCE is changed by FOCUS adjustment.) When makes difference by FOCUS adjustment, should be WEDGE reconfirming PURITY adjustment. DEFLECTION

YOKE

1. Demagnetize CRT with the demagnetizer. P

CRT

2. Loosen the retainer screw of the deflection yoke. 4 6 3. Remove the wedges. P / C 4. Input a green raster signal from the signal generator, and turn the MAGNETS screen to green raster. 5. Move the deflection yoke backward. • P/C MAGNETS 6. Bring the long lug of the purity magnets on the short lug and position P : PURITY MAGNET them horizontally. (Fig. 2) 4 : 4 POLES (convergence magnets) 6 : 6 POLES (convergence magnets) 7. Adjust the gap between two lugs so that the GREEN RASTER will come into the centre of the screen. (Fig. 3) Fig. 1 8. Move the deflection yoke forward, and fix the position of the deflec- tion yoke so that the whole screen will become green. 9. Insert the wedge to the top side of the deflection yoke so that it will not move. PURITY MAGNETS 10. Input a crosshatch signal. Long lug 11. Verify that the screen is horizontal. 12. Input red and blue raster signals, and make sure that purity is prop- erly adjusted. Short lug Bring the long lug over the short lug and position them horizontally. Fig. 2 (FRONT VIEW) GREEN RASTER

CENTRE

Fig. 3 No. 52070 37,

CONVERGENCE ADJUSTMENTS (AV-29W83/BK, AV-29W93/BK, AV-29W93B/BK only) STATIC CONVERGENCE ADJUSTMENT

1. Input a crosshatch signal. (FRONT VIEW) 2. Using 4-pole convergence magnets, overlap the red and blue lines in the centre of the screen (Fig. 4) and turn them to magenta (red/blue). 3. Using 6-pole convergence magnets, overlap the magenta(red/blue) and green lines in the centre of the screen and turn them to white. 4. Repeat 2 and 3 above, and make best convergence. Fig. 4

DYNAMIC CONVERGENCE ADJUSTMENT (FRONT VIEW) YH

1. Using the YH VR on the deflection yoke, match the YH (CROSS). (Fig. RED GREEN BLUE 5 and 8) 2. Using the YV VR on the deflection yoke, match the YV. (Fig. 6 and 8) RED RED 3. Repeat the steps 1 and 2, obtain an optimum convergence. GREEN GREEN

BLUE

4. Differential coil ADJUSTMENT. BLUE In case where the horizontal lines of red and blue around the centre of both sides of the picture as shown in Fig. 7, adjust the XV differ- BLUE GREEN RED ence by using the differential coil on the top of the deflection yoke (Fig. 8) so as to minimize the XV difference. YH Fig. 5 • After adjustment, fix the wedge at the original position. Fasten the retainer screw of the deflection yoke. Fix the P/C magnet with glue. (FRONT VIEW) GREEN GREEN RED BLUE YV BLUE RED

RED GREEN BLUE

YV VR YH VR BLUE

GREEN RED

FRONT YV Fig. 6 XV coil (FRONT VIEW) Fig. 8 Xv GREEN Fig. 7 38 No. 52070,

SELF-CHECK FUNCTIONS

1. Outline This model has self-check functions given below.When an abnormality has been detected,the SUB POWER is turned off and both ECO and ON TIMER LEDs flash to inform of the failure.An abnormality is detected by the signal input state of the control line connected to the microcomputer. 2. Self check items Check item Details of detection Method of detection State of abnormality Over-current protection An over-current on the low B line The main microcomputer detects When an abnormality has been is detected. the possible abnormality at 30- detected, the SUB-POWER is msec.intervals and judges the turned off. While the SUB- results in every 16 time. Of the POWER is being turned off, the 16 times, if NG is detected more POWER key on the remote con- than 9 times, it is judged that trol unit is not operational until the there is an abnormality. power cord is taken out and put in again. CRT NECK protection Operation of CRT NECK protec- DITTO DITTO tion circuit 3. Self check indicating function When an abnormality has been detected at about 5 seconds after the power is turned on,the SUB POWER is turned off immediately After about Detection of and the LEDs flash. 5 seconds an abnormality Power on Start of Flashing LEDs detection SUB-POWER OFF [ Indication by the LEDs] Item LEDs flashing intervals Priority of detection 1 Over-current protection At 0.2-second intervals12CRT NECK protection At 1-second intervals 2 Note: In case of 1 + 2, the item 1 is indicated.

No. 52070 39

,

SERVICE NOTE :

40 No. 52070, VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT. 12,3-chome,Moriya-cho,Kanagawa-ku,Yokohama,Kanagawa-prefecture,221-8528,Japan AV29W83BK-BK #4 AV29W93BBK-BK #4 Printed in Japan AV29W93BK-BK #4 AV29W83BVT-CK #4 AV29W83VT-CK #4 0211 WPC]

15