Download: Flow Chart of Troubleshooting 9-1 Power On

Flow Chart of Troubleshooting 9-1 Power On "Power On" does not work NO Battery Voltage≥3.3V? Change the Battery Current consumption NO≥ 100mA? Download again and check main key con. Check PMIC output voltage C403=2.8V,C409=3.0V,C411 NO Check the U400 =1.2V,C413=1.2V,C421=3.0V, C422=1.8V,C423=2.9V, OK? Check the oscillator clock NO TCX100(C183)=26Mhz, check the TCX100, OSC400 OSC400(R307)=32Khz, OK? YES END 9-1 9-2. Sim Part "No SIM mode" is displayed on the LCD Check the pad condition of SIM Card Check the SIM NO connector's (SIM100) Resolder or Replace SIM100 connection to SIM card Check th...
Author: Richard Shared: 7/30/19
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Content

Flow Chart of Troubleshooting 9-1 Power On "Power On" does not work

NO

Battery Voltage≥3.3V? Change the Battery Current consumption NO≥ 100mA? Download again and check main key con. Check PMIC output voltage C403=2.8V,C409=3.0V,C411 NO Check the U400 =1.2V,C413=1.2V,C421=3.0V, C422=1.8V,C423=2.9V, OK? Check the oscillator clock NO TCX100(C183)=26Mhz, check the TCX100, OSC400 OSC400(R307)=32Khz, OK?

YES END

9-1, 9-2. Sim Part "No SIM mode" is displayed on the LCD Check the pad condition of SIM Card Check the SIM NO connector's (SIM100) Resolder or Replace SIM100 connection to SIM card Check the voltage NO C106=3.0V, OK? Check the U400 Is there any signals NO pin#2,#3,#4 of SIM100? Check the UCP300

END

9-3, 9-3. Audio Part - Main&Sub MIC Phone MIC does not work Check the connection of NO MIC(MIC100-normal, Resolder or Replace MIC(MIC100, MIC500) MIC500-loud) Check the voltage NO C527(MIC_BIAS)=2.2V,OK? Check the UCP300 Check the components which NO are connected to MIC_BIAS Resolder R502,R503,R504,R506,R507 (R502,R503,R504,R506,R507) Check the circuit of MIC PATH NO Resolder L3,L4,L500,L501,L503,L504,C534,C535 (L3,L4,L500,L501,L503,L504, C534,C535)

YES END

9-5, MIC_BIAS
R502 R503 L500 C519 MAIN_MIC+ MAIN_MIC_P C523 TA501 L501 MAIN_MIC- MAIN_MIC_N R504 C528 R506 MIC_BIAS L503 L504 MIC500 LOUD_MIC_P OUT4 GND2 LOUD_MIC_N GND1 C525 C526 2 POWER1 R505 C527 MIC_BIAS R507

U500 C532

C533 LOUD_MIC_P C534 MIC_P COM1 NO2 LOUD_MIC_N IN1 COM2 MIC_N MAIN_MIC_P IN2 C535NC1 MAIN_MIC_N MIC_SEL MIC_SEL HIGH : LOUD MIC LOW : MAIN MIC 9-6543GND NO162NC VCC718910, 9-4. Microphone Part - Earphone MIC Earphone MIC does not work

NO

Is the Headset O.K? Change the Headset Check the voltage at NO C527(MIC_BIAS=2.2V) ? Check the UCP300 Check the components NO which are connected to Resolder R500,R501 EARMIC_BIAS(R500,R501) Check the circuit

NO

of EARMIC Check the Ear path PATH(L502,C514,C517) Check the voltage at NO Check the U600 C609(=1.1V)

YES

Check the IFC600 NO Replace IFC600

YES END

9-7, MIC_BIAS R500 TA500 C513 R501 C514 EARMIC_P EAR_MIC_P L502 C516 C518 C515 C517 EAR_MIC_N 9-8, 9-5. Earphone Part Earphone is not work

NO

Is the Headset O.K? Change the Headset Check the components which are connected to NO Earphone Resolder R508,R600,R601,C503,C504,L602,L603 (R508,R600,R601,C503,C504, L602,L603) Is there any signals at NO Resolder or Replace U502 C503,C504? Is there any signals at NO Resolder or Replace U600 L602,L603?

YES

Is there any signals at NO Resolder or Replace IFC600 Pin#1,#2 of IFC600?

YES

Check the voltage at NO Check the PM400 C415(=3.0V)

YES END

9-9, 9-6. Charging Part Charging does not work

NO

Check the Battery & TA? Reinsert the Battery & TA

NO

Is the voltage of C602 5.0V? Check the IFC600 Is the voltage of C408 5.0V? NO Check the U600

NO

Is charging working? Check the Q400 or Replace the PM400

END

9-11, 9-7. Speaker Part Speaker does not work Is the terminal of Speaker NO O.K ? Replace the Speaker Check the voltage at NO Check the PM400 C415(=3.0V) Check the components NO which are connected to Resolder L1,L2,C503,C504 Speaker(L1,L2,C503,C504) Is there any signals at NO Resolder or Replace U502,UCP300 C503,C504? Is there any signals at NO Resolder or Replace U600 C817,C818?

YES

Is there any signals at NO Resolder or Replace HDC800 Pin#10,#11 of HDC800?

YES END

9-13, 9-8. Receiver Part Receiver does not work Is the terminal of Receiver NO O.K ? Replace the Receiver Check the components NO which are connected to Resolder L700,L701 Receiver(L700,L701) Is there any signals at NO Resolder or Replace UCP300 UCP300? Is there any signals at NO Resolder or Replace HDC702 Pin#23#24 HDC702

END

9-15, 9-9. Camera Camera does not work

YES

Check camera connector NO. Reconnect the Camera FPCB.

NO

Check F705 and F706? Check the U700, U701 Check Camera supply voltage. NO C701=2.8V, C707=1.8V, Resolder or replace F705,F706 C709=2.8V. replace the Camera module.

END

9-17, 9-10 Touch Screen Panel (TSP) Touch does not work Check the connection of NO Reconnect the TSP FPCB Touch screen panel FPCB and connector on Sub LCD FPCB with connector on Sub LCD FPCB Check the VTouch_2.9V of NO Check PM400 PM400(C800=2.9V)? Check the components which are connected to NO Resolder R800~809,R812~818

TSP

IC(R800~809,R812~818,C803~805, ,C803~805,C807~809 Check the oscillator clock of NO OSC800(=16Mhz) Check OSC800 R307=32KHz

YES

Change the TSP module.

END

9-19, 9-11 LCD LCD is not displayed Check LCD Connector NO Check Battery and PM400 Assembly condition is OK? Check Battery(≥3.3V) and NO Resolder or replace F700~704,F707 C705(=2.9V)? Check condition of NO filters(F700~704,F707)? Replace LCD module

NO

Is LCD displayed? Reassemble LCD Connector

END

9-21, 9-12 Solar charging Solar charging does not work The intensity of light illumination NO is enough for solar charging Change a place and light source Check the contact condition NO Replace CN100,CN101 between Solar connector and Solar panel and check Solar panel Check the Battery condition NO It is normal condition. (≤4.1V or Full condition) If charging, change battery(≤4.1V) Check the components which are connected to NO Resolder U101,Q100,Q101,R102,R104 Solar charger(U101,Q100,Q101,R102, R104)

YES END

9-23, 9-13 FM Radio Part Though turn on FM Radio. FM Radio does not work(No sound) Yes check the Voltage No at C200(3.5~4.2V) Check VBAT line Yes Is there any signal No at C229 and L601? Check the Earphone Yes Is there any signal No at C227, C228 Resolder U200, or Replace U200 Yes Is there any signals at No Resolder U501 or Replace U501 R600,R601,L602,L603? Yes No Is there any signals at Resolder U600 or Replace U600 Pin#2,#3 of IFC600? Is FM Radio Working? No (Is there any sound of Radio) Check the IFC600 Radio Yes

END

9-25, VREG_AUX

SHORT

R201 VBB_D_2.9V VBAT_3.8V C202 C210 SHORTC208 R200 C200 C217 C218 C219 C213 C214 C215 C216C258 C259 C4 C_GPIO_0 COEX3 C5 C_GPIO_1 C6 D4 VBB_D_2.9V C_GPIO_2 I2S_DI VBB_D_2.9V H6 E4 R204 C_GPIO_3 I2S_DOE7 F4 C_GPIO_4 I2S_WS G7 F5 C_GPIO_5 I2S_CLK F7 TP207 C_GPIO_6 G6 E2 TP208 C_GPIO_7 PCM_IN PCM_IN F2 TP209 R212 PCM_OUT PCM_OUTG5 E3 TP210 R211 R205 D_GPIO_0 PCM_CLK PCM_CLK E6 F3 TP211 D_GPIO_1 PCM_SYNC PCM_SYNC K4 D_GPIO_3 B5 TP212 UART_RXD UART_RXD TP213 C7 A5 BT_WAKE GPIO_0 UART_TXD UART_TXDTP214 B6 B4 TP215 HOST_WAKE GPIO_1 UART_CTS_N UART_CTS_N F1 A4 GPIO_5 UART_RTS_N UART_RTS_N R213 COEX2 H7 U200 J8COEX_IN XTALN TP219 H8 K8 COEX0 COEX_OUT0 XTALP_GCALA G8 SHORT COEX1 COEX_OUT1 G10 C227 C228 BT_RF BT_RFA8 FM_AIN1 B8 C3 FM_AIN2 AUX_HI VREG_AUX TCX200 FM_RADIO_L A7 FM_AOUT1 FM_RADIO_R B7 E1FM_AOUT2 LPO_IN CLK32K R214 B10 K6 FM_ANT FM_RXN TCXO_GCALA C10 4 OUT GND L216 SHORT 3FM_RXP A10 F6 FM_TXP TM2 C231 E8 5 NC NC TM3 2 B9 FM_ADCAP

F200 E9 H9 6 VCC GNDFM_CVAR RES 1

L205 B3 TP221REGPU VREG_CTL C235 K2 D6 TP222 C255 GPS_RFIN RST_N 2075_RESET 4 K1 B1OUT GPS_RFIP REF_CAP G3GGCAL_REQK335TP224 GPS_AUXOPBT_CLK H5 GPS_CAL_B G1 GPS_SYNC_PPS C232 C239 C236 R215 1%

IF_VBUS_5V VBUS_5V VBAT_3.8V VBB_D_2.9V C602 C600 C601 TP600 SDA USB_SW_INT UART1_TX_JTAG SCL UART1_RX_JTAG TP_ISET

17 VBUS

DM 18 DM JIG 10 JIG_ON DP 19 DP U600 VDDIO JIG_ID 20 ID BOOT 8 BOOT_SW

22 GND TXD 7 TXD2

NC

23 NC

L602 R600 EARSPK_R RXD2 C604 C605 USBN USBP L603 R601 EARSPK_L C606 C607 EARMIC_P

9-26 C209 C211 C257 F9 BT_VDDIF F10 BT_VDDPA K10 BT_VDDPLL J10 BT_VDDRF C8 E10 L212 VSS FM_VDD2P5 D3 C9 VSS FM_VDDRF D8 D10 VSS FM_VDDVCO D9 A9 VSS FM_VDD_AUDIO E5 H1 VSS GPS_VDDIF G2 J1 VSS GPS_VDDLNA G9 J3 VSS GPS_VDDPLL H2 A3 L213 VSS I_VDD_AUX H3 B2 VSS O_VDD_AUX H10 A1 VSS VDD1P2_GRF J2 C2 1 16 VSS VDD1P2_BCOREJ5 D2SPK_R ISET VSS VDD1P2_GCORE J6 D5 VSS VDDC_1 J7 F8 2 15 VSS VDDC_1 L202SPK_L OUT J9 G4VSS VDDC_2 K9 K5 VSS VDDC_2 A6 3 MIC I2C_SCL 14 VDDO18 1 D7 NC VDDO18 2 H4 NC VDDO18 4 J4VDDO33D+ I2C_SDA 13 K7

VDDXO

D1 VDD_BAT 5 A2D- INTB 12 VDD_GRFC1 VDD_PRE 6 RXD VDD 11, < IF CON. >

VBAT_3.8V IF_VBUS_5V AUX_ON_JTAG IFC600 L604 1 1 DM 2 2 DP 3 3 JIG_ID 4 4 FM_ANT 5 5

6 S1 7 S2 8 NC 10 NCNC 11 NC 13 NC

D601 NC C603 L601

6 VBUS DM15NC DP24NC USB_ID 3 L211 R200 TP212

L202 C217

C723 C724 C239 L205 C600 TP600 C601 TP400

C214

U600 D601 SC900776EDR2 L604 C518 TA500 C208 C605 C607 C515 C202 C510 C502 C716 U501 C501C508 C227 C509 C530 R706 MAX9877AERP-T C235 C507 C531 R705 C228 C504 C503 C706 C705 R704 C218

TCX200 C231L212 C232 C219

R213 TP215

R215 L601

9-27 7 GND TP224 TP214 TP207 TP213 U701 RP150K008A TP208 TP222 TP211 TP209 TP210 TP221 R201 R205

C210 R211

C236

C229 U200 C211 R212 C213 C215 R204 C200 L213 BCM2075B0KUBG C209 C258

C251 C257 R214

C216 C259

F200 C255 TP219 U700 C707 C718 RP103K281D-TR C708 L702 C709 C717 C701 D702 R500 C513 C719 R501 L502 C606 L603 R601 R600 L602 F C604 TP_ISET C602 C500 F7 C603 I FC600 HY07-AB0720, 9-14 Bluetooth Part Check the Connection Disable!

NO

Check BT Activation? Enable BT Function

NO

Check the Voltage CHECK VBAT Line, C200(3.8V) PM400

NO

Check the Voltage CHECK VBB Line. C208(2.9V) PM400

NO

Check the Clock R214 CHECK TCX200

NO

Check BT ANT? Replace Rear Cover IS Bluetooth working? Resolder U200 or Replace U200

YES END

9-28, VREG_AUX

SHORT

R201 VBB_D_2.9V VBAT_3.8V C202 C210 SHORTC208 R200 C200 C217 C218 C219 C213 C214 C215 C216C258 C259 C4 C_GPIO_0 COEX3 C5 C_GPIO_1 C6 D4 VBB_D_2.9V C_GPIO_2 I2S_DI VBB_D_2.9V H6 E4 R204 C_GPIO_3 I2S_DOE7 F4 C_GPIO_4 I2S_WS G7 F5 C_GPIO_5 I2S_CLK F7 TP207 C_GPIO_6 G6 E2 TP208 C_GPIO_7 PCM_IN PCM_IN F2 TP209 R212 PCM_OUT PCM_OUTG5 E3 TP210 R211 R205 D_GPIO_0 PCM_CLK PCM_CLK E6 F3 TP211 D_GPIO_1 PCM_SYNC PCM_SYNC K4 D_GPIO_3 B5 TP212 UART_RXD UART_RXD TP213 C7 A5 BT_WAKE GPIO_0 UART_TXD UART_TXDTP214 B6 B4 TP215 HOST_WAKE GPIO_1 UART_CTS_N UART_CTS_N F1 A4 GPIO_5 UART_RTS_N UART_RTS_N R213 COEX2 H7 U200 J8COEX_IN XTALN H8 K8 COEX0 TP219 COEX_OUT0 XTALP_GCALA G8 SHORT COEX1 COEX_OUT1 G10 C227 C228 BT_RF BT_RFA8 FM_AIN1 B8 C3 FM_AIN2 AUX_HI VREG_AUX TCX200 FM_RADIO_L A7 FM_AOUT1 FM_RADIO_R B7 E1FM_AOUT2 LPO_IN CLK32K R214 B10 K6 FM_ANT FM_RXN TCXO_GCALA C10 4 OUT GND L216 3FM_RXP SHORT A10 F6 FM_TXP TM2 C231 E8 5 NC NC TM3 2 B9 FM_ADCAP

F200 E9 H9 6 VCC GNDFM_CVAR RES 1

L205 B3 TP221REGPU VREG_CTL K2 D6 TP222 C235 GPS_RFIN RST_N 2075_RESET C255 4 K1 B1OUT GPS_RFIP REF_CAP G3GGCAL_REQK335TP224 GPS_AUXOPBT_CLK H5 GPS_CAL_B G1 GPS_SYNC_PPS C232 C239 C236 R215 1%

U202

WLAN_RX CTL1 6 TR_SW_RX_PU ANT 5 F201 ANT201 C247 L215114IN OUT222

GND1 GND2 3 3

1 3 R226 C250 C261 C256 9-29 C209 C211 C257 4 CTL2 CTL3 F9 WLAN_RX 7 BT_VDDIF F10 BT_VDDPA K10 BT_VDDPLL J10 BT_VDDRF C8 E10 L212 VSS FM_VDD2P5 D3 C9 VSS FM_VDDRF D8 D10 VSS FM_VDDVCO D9 A9 VSS FM_VDD_AUDIO E5 H1 VSS GPS_VDDIF G2 J1 VSS GPS_VDDLNA G9 J3 VSS GPS_VDDPLL H2 A3 L213 VSS I_VDD_AUX H3 B2 VSS O_VDD_AUX H10 A1 VSS VDD1P2_GRF J2 C2 VSS VDD1P2_BCORE J5 D2 VSS VDD1P2_GCORE J6 D5 VSS VDDC_1 J7 F8 VSS VDDC_1 L202 J9 G4 VSS VDDC_2 K9 K5 VSS VDDC_2 A6 VDDO18 1 D7 NC VDDO18 2 H4 NC VDDO18 J4 VDDO33 K7

VDDXO

D1 VDD_BAT A2 VDD_GRF C1 VDD_PRE, L211 R200 TP212 L202 C217 C239 L205 TP400 C214 C202 C208 C227 C235 C228 C218

TCX200 C231L212 C232

C219 R213 TP215 R215

L601

L503 L504 C527 BH401

BOTHHOLE

L215 C702 C256 9-30 TP224 HDC701 TP214 TP207 TP213 ANT201 TP208 TP222 TP211 TP209 TP210 TP221 R201 R205 L209 C210 R211 C236 C229 F705 F706

U200 C211 R212

C213 C215 R204 C200 L213 C526

BCM2075B0KUBG C258

C209 C525 R505 C257 C251 C703 R214 C216 C259 F200 C255, 9-15 Wi - Fi Part Check the Connection Disable!

NO

Check WiFi activation? Enable WiFi Function

NO

Check the Voltage CHECK VBAT, VBB Line, C205(2.9V), C212(3.8V) PM400

NO

Is there any signal C237? Resolder U201 or Replace U201

NO

Is there any signal C233? Resolder U202 or Replace U202

NO

Check the Voltage CHECK U202 R225 (2.9V)

YES NO

Check WiFi ANT? Replace Rear Cover

YES END

9-31, VBAT_3.8V VDD_CORE VBB_D_2.9V VDD_PLL VDD_PLL VDD_RADIO_PLL VDD_PLL VDD_AFE L200

SHORT

R202 L201 C212 C203 C204 C205 VIN_LDO C201 C206 C207 VDD_RADIO_PLL VDD_AFE VDD3_3SHORT R203 C220 C221 C222 VBB_D_2.9V C223 C224 R206 R207 R208 R209 R210 TP200 WL_HOST_WAKE K8 K11 TP201SDIO_CLK SDIO_CLK H10 GPIO_0GPIO_1 E11SDIO_CMD SDIO_CMDK9 GPIO_2 J11SDIO_DATA_0 SDIO_DATA_0 VBB_D_2.9V J9 GPIO_3 H11SDIO_DATA_1 SDIO_DATA_1K10 J10 GPIO_6 SDIO_DATA_2 G11 SDIO_DATA_2 M4 GPIO_7 SDIO_DATA_3 F8 SDIO_DATA_3 F11 GPIO_8 VIN_LDOGPIO_9 SR_VLX1 M11 SR_VLX1 N11 L203 VDD3_3 TR_SW_TX_PU G7 H8 RF_SW_CTRL_N_0 SR_PALDO N7 J5 RF_SW_CTRL_N_2 SR_PALDO RF_SW_CTRL_N_3 SR_PNPO M7 TR_SW_RX_PU G8 L9 C225 C226 TR_SW_BT H9 RF_SW_CTRL_P_0 SR_TESTSWG J6 RF_SW_CTRL_P_2RF_SW_CTRL_P_3 UART_RX P4 TP216 C230 F4 UART_TX N4 TP217 E4 WRF_GPIO_OUT1WRF_GPIO_OUT2 U201 AMODE_EXT_LNA_GAIN J8 B4 AMODE_EXT_LNA_PU J7 C233 A8 WRF_RFINN_A1_XFMR AMODE_TX_PU J1 A4 WRF_RFINN_G1_XFMR A6 WRF_RFINP_A1 GMODE_EXT_LNA_GAIN G6 WLAN_RX C237 WRF_RFINP_G1 GMODE_EXT_LNA_PU G5 GMODE_TX_PU H7B2 R229 E1 WRF_RFOUTP_AWRF_RFOUTP_G BTCX_FREQ L4WLAN_TX COEX3 F2 BTCX_RF_ACTIVE K3 COEX0

SHORT

C238 F1 WRF_AFE_PAD_TEST_IN BTCX_STATUS L3 COEX1 H2 WRF_AFE_PAD_TEST_IP BTCX_TXCONF P3 COEX2 H1 WRF_AFE_PAD_TEST_ONWRF_AFE_PAD_TEST_OP USB20_DEV_DMNS P1 ANT2 H3 USB20_DEV_DPLS N1 E3 WRF_AFE_PAD_TSSI_A USB20PHY_RREF_PAD M1 R216 R228 F3 WRF_AFE_PAD_TSSI_G USB20PHY_MONCDR_PAD M3 WRF_AFE_PAD_IQADC_VREF USB20PHY_MONPLL_PAD N3 R217 F9 B9 WRF_EXTREFIN TCK J3 TP225 WRF_RES_EXT TDI H5 TP226K1 TP227 C240 L5 TDO R218 BT_REG_ON TMS H6 TP228 VREF_LDO M6 TP229 SYS_CLK_WLAN A10 F10 WL_RESET_N C11 XTALIN EXT_POR_LXTALOUT JTAG_TRST_L J4 TP230SHORT E10 L6 XTAL_PU XTAL_PU WL_REG_ON R221 VBAT_3.8V C243 C241 VBB_D_2.9V R225 TR_SW_TX_PU

U202

C248 R227 WLAN_RX 10 NC 11 NC CTL1 6 TR_SW_RX_PU WLAN_TX 1 WLAN_TX ANT 5 F201 2 ANT201RF_GND C247 C245 L215114IN OUT222BT_RF

GND1 GND2 3 3

TR_SW_BT13C249 C252 R226 C250 C261 C256

L200 R203

L503 L504 C527 BH401 C243

BOTHHOLE C223

L215 R217 C224 C702 C256

C247 C249 R225 C245 R227 C252 TP216 C238 C237 C222 SC419

9-32 HDC701 GND93BT CTL284CTL3 WLAN_RX 7 OTP_VDD33 K6 SR_AVDD2P5 P9 SR_VDDBAT1 L10 SR_VDDBAT1 L11 M5 SR_VDDBAT2 N9 N8 M9 AVSS_LDO SR_VDDBAT3SR_AVSS SR_VDDBAT3 P8M8 M10 SR_PAVSS SR_VDDNLDO N10 SR_PVSS1 USB20PHY_AVDD 12_PAD L2 11 SR_PVSS1 USB20PHY_AVDD25_PAD L1

P

P2 SR_VSSPLDO USB20PHY_AVDD33_PAD M2 N2 USB20PHY_AGND_PAD VDD C10 D10 USB20PHY_GNDPLL_PAD VDD F7 F5 VSS VDD K5 VSS VDDIO F6K4 VSS VDDIO K7D11 VSSXO VDDIO_RF J2G1 G4 WRF_AFE_PAD_AVSS_RXADC VDDIO_RF K2 D8 WRF_BBPLL_GND _1P2 VDDIO_SD G9 A9 WRF_GNDA_1P2 VDDIO_SD G10 B8 WRF_GNDCAB _1P2 VDDXO B11 E5 WRF_GNDD_1P2 VDD_CLDO N5 NLDO1 N6 A1 WRF_GNDLO_1P2 VDD_L C1 WRF_GNDPAA_3P3 VDD_LNLDO2 L7 C2 WRF_GNDPAA_3P3 VOUT_CLDO WRF_GNDPAG_3P3 VOUT_LNLDO1 P6E2 D9 WRF_GNDPAG_3P3 VOUT_LNLDO2 L8 5 WRF_GNDPFDCP_1P2B WRF_AFE_PAD_AVDD_A UX G3 A2 WRF_GNDRX_1P2 WRF_AFE_PAD_AVDD_RXADC G2 E7 WRF_GNDTX_1P2 WRF_BBPLL_VDD_1P2 H4 WRF_GNDVCO_1P2 WRF_VDDA_1P2 C7 1 WRF_VDDCAB_1P2 E8 2 NC WRF_V DDD_1P2 C8

U202 NC WRF_VDDLO_1P2

C5 B1

F201 WRF_VDDPAA_3P3WRF_VDDPAG_3P3 D1

WRF_VDDPFDCP_1P2 C9A5 WRF_VDDRX_1P2 WRF_VDDTX_1P2 A3 E6

XM2400SN-AL0901 WRF_VDDVCO_1P2 U201 TP217

ANT201

BCM4319SKUBG C203

03 C241 R229

R216

12 C204

C205 C207

R218

C240

R202 C230 C220 C221

C206 L201 C250 C233 C248 R226

L209 F705 F706 C526 C525 R505 C703, 9-16 GPS Part Check the Connection Disable!

NO

Check GPS Activation? Enable GPS Function

NO

Check the Voltage CHECK VBAT Line, C200(3.8V) PM400

NO

Check the Voltage CHECK VBB Line. C208(2.9V) PM400

NO

Is there any signal Check U200 L205

NO

Is there any signal C260 Resolder F200 or Replace F200 Check GPS Ant Replace Rear Cover

YES END

9-33, VREG_AUX

SHORT

R201 VBB_D_2.9V VBAT_3.8V C202 C210 SHORTC208 R200 C200 C217 C218 C219 C215 C216C258 C213 C214 C259 C4 C_GPIO_0 COEX3 C5 C_GPIO_1 C6 D4 VBB_D_2.9V C_GPIO_2 I2S_DI VBB_D_2.9V H6 E4 R204 C_GPIO_3 I2S_DOE7 F4 C_GPIO_4 I2S_WS G7 F5 C_GPIO_5 I2S_CLK F7 TP207 C_GPIO_6 G6 E2 TP208 C_GPIO_7 PCM_IN PCM_IN F2 TP209 R212 PCM_OUT PCM_OUTG5 E3 TP210 R211 R205 D_GPIO_0 PCM_CLK PCM_CLK E6 F3 TP211 D_GPIO_1 PCM_SYNC PCM_SYNC K4 D_GPIO_3 B5 TP212 UART_RXD UART_RXD TP213 C7 A5BT_WAKE GPIO_0 UART_TXD UART_TXDTP214 B6 B4 TP215HOST_WAKE GPIO_1 UART_CTS_N UART_CTS_NF1 A4 GPIO_5 UART_RTS_N UART_RTS_N R213 COEX2 H7 U200 J8COEX_IN XTALN H8 K8 COEX0 TP219 COEX_OUT0 XTALP_GCALA G8 SHORT COEX1 COEX_OUT1 G10 C227 C228 BT_RF BT_RFA8 FM_AIN1 B8 C3 FM_AIN2 AUX_HI VREG_AUX TCX200 FM_RADIO_L A7 FM_AOUT1 FM_RADIO_R B7 E1FM_AOUT2 LPO_IN CLK32K R214 B10 K6 FM_ANT FM_RXN TCXO_GCALAC10 4 OUT GND L216 3FM_RXP SHORT A10 F6 FM_TXP TM2 C231 E8 5 NC NC TM3 2 B9 FM_ADCAP

F200 E9 H9 6 VCC GNDFM_CVAR RES 1

L205 B3 TP221REGPU VREG_CTL C235 K2 D6 TP222 GPS_RFIN RST_N 2075_RESET C255 K1 B1 OUT 4 GPS_RFIP REF_CAP G3GGCAL_REQK335TP224 GPS_AUXOPBT_CLK H5 GPS_CAL_B G1 GPS_SYNC_PPS C232 C239 C236 R215 1%

L211 R200 L202

B10 FM_ANT FM_RXN C10 L216 FM_RXP

ANT200 A10 FM_TXP

C231 B9

F200 FM_ADCAPE9 C217FM_CVAR

C260 L205 K2 GPS_RFIN14K1 C239 L205 IN OUT GPS_RFIPGGGTP400K3235TP224 GPS_AUXOPBT_CLK H5 GPS_CAL_B G1 C214 GPS_SYNC_PPS L211 L206 L207 C232 C239 C251

C202 C208 C227 ANT200 C235 HJ-ICT-05 C228L214

L207

C218 L212 C231

C722 C721 TCX200 C232 C723 C724 C219 R213

TP215 R215

9-34 C209 C211 C257 F9 BT_VDDIF F10 BT_VDDPA K10 BT_VDDPLL J10 BT_VDDRF C8 E10 L212 VSS FM_VDD2P5 D3 C9 VSS FM_VDDRF D8 D10 VSS FM_VDDVCO D9 A9 VSS FM_VDD_AUDIO E5 H1 VSS GPS_VDDIF G2 J1 VSS GPS_VDDLNA G9 J3 VSS GPS_VDDPLL H2 A3 L213 VSS I_VDD_AUX H3 B2 VSS O_VDD_AUX H10 A1 VSS VDD1P2_GRF J2 C2 VSS VDD1P2_BCORE J5 D2 VSS VDD1P2_GCORE J6 D5 VSS VDDC_1 J7 F8 VSS VDDC_1 L202 J9 G4 VSS VDDC_2 K9 K5 VSS VDDC_2 A6 VDDO18 1 D7 NC VDDO18 2 H4 NC VDDO18 J4 VDDO33 K7

VDDXO

D1 VDD_BAT A2 VDD_GRF C1 VDD_PRE

TP224 TP214 TP207 TP213 TP208 TP209 TP210 TP221 R201 R205 C210 R211 C236 C229 U200 C211 R212 C213 C215 R204 C200 L21 BCM2075B0KUBG C258 C209 C257 C251

R214

C216 C259 F200 C255

L206 C714 D701 L700 C715 D700 L701, 9-17-1. GSM850 Receiver NORMAL CONDITION NO CHECK catch the channel? RFC100 contact ?

NO

RFS101CHECK RFS100 pin#1≥ -65dBm ? re-solder or change

NO

FEM100 CHECK FEM100 pin# 12,13 ≥ -65dBm ? re-solder or change

NO

TCXO CLOCK CHECK? TCX100 19.2MHz @ C183 re-solder or change

NO

U101 U101 Check? change or re-solder UCP301 CHECK!! 9-35, 9-17-2. GSM900 Receiver Band : GSM CELL POWER : -50dBm Channel : 62Ch NORMAL CONDITION NO CHECK catch the channel? RFC100 contact ?

NO

RFS101CHECK RFS100 pin#1≥ -65dBm ? re-solder or change

NO

FEM100 CHECK FEM100 pin# 14, 15 ≥ -65dBm ? re-solder or change

NO

TCXO CLOCK CHECK? TCX100 19.2MHz @ C183 re-solder or change

NO

U101 U101 Check? change or re-solder UCP301 CHECK!! 9-36, 9-17-3. DCS Receiver NORMAL CONDITION NO CHECK catch the channel? RFC100 contact ?

NO

RFS101CHECK RFS100 pin#1≥ -65dBm ? re-solder or change

NO

FEM100 CHECK FEM100 pin# 16, 17 ≥ -65dBm ? re-solder or change

NO

TCXO CLOCK CHECK? TCX100 19.2MHz @ C183 re-solder or change

NO

U101 U101 Check? change or re-solder UCP301 CHECK!! 9-37, 9-17-4. PCS Receiver NORMAL CONDITION NO CHECK catch the channel? RFC100 contact ?

NO

RFS101CHECK RFS100 pin#1≥ -65dBm ? re-solder or change

NO

FEM100 CHECK FEM100 pin# 18, 19 ≥ -65dBm ? re-solder or change

NO

TCXO CLOCK CHECK? TCX100 19.2MHz @ C183 re-solder or change

NO

U101 U101 Check? change or re-solder UCP301 CHECK!! 9-38,

RFC100 RFS100 G

4GG2

RFIN

L100 C110 VRF_U_2.8V_FEM L103 C108 L104 C116 C117 C118 GSM_TX 11 GSM850|900TX GSM850RX 12 GSM850_RX1 GSM850RX 13 GSM850_RX2 C121 GSM900RX 14 15 GSM_RX1GSM900RX GSM_RX2 DPCS_TX 9 GSM1800|1900TX GSM1800RX 16 17 DCS_RX1GSM1800RX DCS_RX2 R102 R100 GSM1900RX 19 PCS_RX1GSM1900RX PCS_RX2 GPEN0 3 VC1 GPEN1 4 VC2 UMTS1 20 GPEN2 5 VC3 UMTS2 21 UMTS_900_TRX GPEN3 6 VC4 UMTS3 22 UMTS_2100_TRX R104 R103

FEM100

VBB_D_2.9V VRF_U_2.8V VRF_4228 2.8V_VDDAUX1 R116U102 C142 C136 C139 C140 C141 C138 C137 C143 C144 C145 C146 R117 C147 C184 GSM850_RX2 SYS_CLK_WLAN1AVCC 6 C155 L108 VRF_422825VBAT_3.8V CAL_REQ B NC R118 C153 GSM850_RX1 3 GNDY4BT_CLK

SHORT

C157 C148 C185 DCS_RX2 VBAT_3.8V L111 R108 C161 XTAL_PD SYS_CLK_WLAN N8M6 2_AUXCLK R109 2_AUXCLKENDCS_RX1 3_DCDCOUT L1 SYNCLK K3L3 2_CTRLCLK 3_DCDCSENSE M9 SYNDAT 2_CTRLDATA 3_DCDCVBATT N1 DSYNEN J3 2_CTRLEN H3 C162 A4 3_LDOINMAIN A3 2_RFIAP 3_LDOINPA M8 2_RFIAN 3_LDOINSYN F3 DCDC_OUT_1.5V GSM_RX2 A8A7 2_RFIDP G13 C1602_RFIDN 3_RXINBAND1 L113 A6 F13 UMTSBAND1RX C168 A5 2_RFIEP 3_RXINBAND2 A10 2_RFIEN 3_RXINBAND5 E13 A9 2_RFIPP B1 UMTSBAND8RXGSM_RX1 2_RFIPN 3_RXIN U_RX_IN L114 C169 C171 3_RXIP A1 GSM_TX_HB A13 U_RX_IP C13 2_RFOH 3_RXQN C1 U_RX_QN GSM_TX_LB 2_RFOL PCS_RX2 M4 U101 3_RXQP D1 U_RX_QP C170 G_DIGRF_DATA N6M2 2_RXTXDATA 3_TXIN N7 U_TX_IN WCDMA_TX1L115 C175 G_DIGRF_TXEN 2_RXTXEN 3_TXIP N5 U_TX_IPC174 L11 3_TXQN N4 U_TX_QN C172 C1732_SW0 M12 3_TXQP U_TX_QPPCS_RX1 M11 2_SW1 M10 2_SW2 3_TXOUTBAND1N N12 R112 2_SW3 3_TXOUTBAND1P N13 M13 C176 N3 3_TXOUTBAND2N L116BB_CLK M5 2_SYSCLK 3_TXOUTBAND2P L13 PC 2_SYSCLKEN 3_TXOUTBAND5N K13J13 R113 J1 3_TXOUTBAND5P H1 2_XTAL1 C177 B12 R114 C179 2_XTAL2 3_SPICLK 3W_CLK C180 R111 M1 3_SPIDATA C11 3W_DATA L117 R115 L118C186 N10 2_VIO 3_SPIEN D11 3W_EN VRF_4228 2_VRF WCDMA_TX8 TS_AFC D3 2_XMODE 3_SYSCLKEN B1112A11 C178 M3 3_SYSCLKOUT VCON GND RFST H11 2_STROBE2_PABAND 3_TCXOIN F1 UMTS_RF_CLK VCXOPWR_2.8V J11K11 2_PAEN E11 VCC OUT C182 F11 2_PAMODE 3_RESETN 3G_RESET432_RAMPOUT C181

TCX100

C183 UMTS_RF_CLK 9-391C2A3G4G1G8GANT 2

G

G VDD

G

L2 10 GNDB E2 G

ND

12 GNDJ K12 G

ND ND

L12 G B4 GND C3 GND D8 GND E7 GND F8 GND G7 GND H5 GND J6 GND K7 GND 5 GNDB 12 GNDC ND D9 G E8 GNDGND 2_VBATT N11F9 GND 2_VDD_BB H13G8 GND 2_VDD_SYHF G1H6 J7 GND 3_VDD1V_1 N9 GND 3_VDD1V_2 D13 K8 B6 GND 3_VDD1V_3 B2 N2 D2 GND 3_VDD3 A2 D12 GND 3_VDD3_RXSYN E9 GND 3_VDD3_TXSYN K1 F12 GND 3_VDDDIGCORE E1 G9 GND 3_VDDDIGIO A12 B13 H7 GND VDD_BALU

N

J8 GND K9 GNDND C B3 B7GNF2 D5 GND N

C

ND C G2 E3GNM7 E12 G ND NC GND NC H G3 G11 GND NC GND NC 2H8 J9 GND B8 GND D6 GND E5 GND F5 GND G5 GND G12 GND H9 GNDGND K2 B9 GND D7 GND E6 GND F6 GND G6 GND H2 GND J2 GND K5 GND C2 GND F7 GND J5 GND K6 GNDGND, C810 C178 R110 C166 C186 C167 R115 C136 C183 C145 C806 C141 R112 R111 C175 R119 C191 L110 C159 C156 L109 C151 C118 C121 C155 C160 C139 C147 C148 C182 C168 C117

L107 C162 R104

C169 L114 C161 R103 C157 R102 C174 R100 C176 L116 C131 C106 C171 R107 C180 L118 L106 L101 C150 C112 C103 C336 C109 C100 VR301 L102 L104

C101 PAM100

C120 C130 L105 C133 C123 C128

D803 C820 R411 U400 C426C819 C424

R409 R410 RFS100 9-40

U100

AAT1146IJS-0.6-T1 SC410 SC421 F100

U800 TCX100 BMA023 RFC100

C154 C163 TP319 TP318 C116 C110

PAM101

C165 FEM100

TQM7M5005H DUF100 C188

C158 C164 R412 L108 L113 L111 L115 L119 C144 C189 C143 C146 L121 L120 C153 C181 C140

U101 DUF101

L122 C132 C111 C142 C187 C C107 L117

AERO4228EL/ 1 C177

C179 C137 R109 C172 C138 R108 C170 C129 C104 R114 C173 C127 R113 L123 R106 C152 C135 R105 R810 R811

C149 R311

R312 C821 SC407, 9-17-5. WCDMA 850 Receiver Band : WCDMA CELL POWER : -50dBm Channel : 3013Ch NORMAL CONDITION NO CHECK catch the channel? RFC100 contact ?

NO

RFS100 CHECK RFS100 pin#1≥ -65dBm ? re-solder or change

NO

FEM100 CHECK FEM100 pin# 21 ≥ -65dBm ? re-solder or change

NO

C112 Check DUF100 signal ≥ -65dBm ? re-solder or change

NO

TCXO CLOCK CHECK? TCX100 19.2MHz @ C183 re-solder or change

NO

U102 U102 Check? change or re-solder

NO

U101 U101 Check? change or re-solder

YES

UCP301 CHECK!! 9-41, 9-17-6. WCDMA 2100 Receiver Band : WCDMA CELL POWER : -50dBm Channel : 10700Ch NORMAL CONDITION NO CHECK catch the channel? RFC100 contact ?

NO

RFS100 CHECK RFS100 pin#1≥ -65dBm ? re-solder or change

NO

FEM100 CHECK FEM100 pin# 22 ≥ -65dBm ? re-solder or change

NO

L122 Check DUF101 signal ≥ -65dBm ? re-solder or change

NO

TCXO CLOCK CHECK? TCX100 19.2MHz @ C183 re-solder or change

NO

U102 U102 Check? change or re-solder

NO

U101 U101 Check? change or re-solder

YES

UCP301 CHECK!! 9-42,

RFC100 C100 RFS100 UMTS_900_TRX

G L102 C1034GG2RFIN DUF100 L100 C110 VRF_U_2.8V_FEM C107 C106 L119 ANT C112 3 TX RX 1 UMTSBAND8RX L103 C108 L104 C116 C117 C189 C188 C111 L101245789C118 GSM_TX 11 GSM850|900TX GSM850RX 12 GSM850_RX1 GSM850RX 13 GSM850_RX2 C121 GSM900RX 14 GSM_RX1 GSM909 0 RX 15 GSM_RX2 L120 DPCS_TX GSM1800|1900TX GSM1800RX 16 DCS_RX1 GSM1800RX 17 DCS_RX2 UMTS_2100_TRX GSM1900RX 18 PCS_RX1 L121R102 R100 C123 GSM1900RX 19 PCS_RX2 GPEN0 3 VC1 DUF101 GPEN1 4 VC2 UMTS1 20 GPEN2 5 VC3 UMTS2 21 UMTS_900_TRX GPEN3 6 VC4 UMTS3 22 UMTS_2100_TRX 6 R104 R103 C130 C131L105 ANT L122

FEM100 3 TX RX

1 UMTSBAND1RX L106 C132 C133245789 VBB_D_2.9V VRF_U_2.8V VRF_4228 2.8V_VDDAUX1 R116U102 C142 C136 C139 C140 C141 C138 C137 C143 C144 C145 C146 R117 C147 C184 GSM850_RX2 SYS_CLK_WLAN1AVCC 6 C155 L108 VRF_4228 VBAT_3.8V CAL_REQ2BNC 5 R118 C153 GSM850_RX1 3 GNDY4BT_CLK

SHORT

C157 C148 C185 DCS_RX2 VBAT_3.8V L111 R108 C161 XTAL_PD SYS_CLK_WLAN N8M6 2_AUXCLK R109 2_AUXCLKENDCS_RX1 3_DCDCOUT L1 SYNCLK K3L3 2_CTRLCLK 3_DCDCSENSE M9 SYNDAT J3 2_CTRLDATA 3_DCDCVBATT N1 DSYNEN 2_CTRLEN H3 C162 A4 3_LDOINMAIN A3 2_RFIAP 3_LDOINPA M8 DCDC_OUT_1.5V 2_RFIAN 3_LDOINSYN F3 GSM_RX2 A8A7 2_RFIDP G13 C1602_RFIDN 3_RXINBAND1 L113 A6 UMTSBAND1RX C168 A5 2_RFIEP 3_RXINBAND2 F13 A10 2_RFIEN 3_RXINBAND5 E13 2_RFIPP UMTSBAND8RX GSM_RX1 A9 2_RFIPN 3_RXIN B1 U_RX_IN L114 C169 C171 A13 3_RXIP A1 C1 U_RX_IPGSM_TX_HB C13 2_RFOH 3_RXQN U_RX_QNGSM_TX_LB 2_RFOL 3_RXQP D1 U_RX_QP PCS_RX2 G_DIGRF_DATA M4

U101 C170

M2 2_RXTXDATA 3_TXIN N6 U_TX_IN WCDMA_TX1 L115 C175 G_DIGRF_TXEN 2_RXTXEN 3_TXIP N7 U_TX_IP C174 L11 3_TXQN N5 N4 U_TX_QN C172 C173 M12 2_SW0 3_TXQP U_TX_QPPCS_RX1 M11 2_SW12_SW2 3_TXOUTBAND1N N12M10 R112 2_SW3 3_TXOUTBAND1P N13 C176 N3 3_TXOUTBAND2N M13 L13 L116BB_CLK M5 2_SYSCLK 3_TXOUTBAND2PPC 2_SYSCLKEN 3_TXOUTBAND5N K13 R113 J1 3_TXOUTBAND5P J13 H1 2_XTAL1 C177 C179 2_XTAL2 3_SPICLK B12 3W_CLK R114 C180R111 M1 3_SPIDATA C11 R115 2_VIO 3_SPIEN D11 3W_DATA L117 L118 C186 3W_EN VRF_4228 N10 TS_AFC D3 2_VRF B11 WCDMA_TX82_XMODE 3_SYSCLKEN 1 A11 C178 2 M3 3_SYSCLKOUT VCON GND RFST H11 2_STROBE J11 2_PABAND 3_TCXOIN F1 UMTS_RF_CLK VCXOPWR_2.8V K11 2_PAEN VCC OUT C182 F11 2_PAMODE 3_RESETN E11 3G_RESET432_RAMPOUT C181

TCX100

C183 UMTS_RF_CLK 9-431C2A3G4G1G10 G ANT 23 GG VDD 7 24 G L2 B10 GND E2 GND J12 GND K12 GND L12 GND B4 GND C3 GND D8 GND E7 GND F8 GND G7 GND H5 GND J6 GND K7 GND B5 GND C12 GND D9 GND E8 GND N11 F9 GND 2_VBATT H13 G8 GND 2_VDD_BB H6 GND 2_VDD_SYHF G1 J7 GND 3_VDD1V_1 N9 K8 GND 3_VDD1V_2 D13 B6 GND 3_VDD1V_3 B2 N2 D2 GND 3_VDD3 A2 D12 GND 3_VDD3_RXSYN E9 GND 3_VDD3_TXSYN K1 F12 GND 3_VDDD IGCORE E1 A12 G9 GND 3_VDDDIGIO H7 GND VDD_BALUN B13 J8 GND K9 GND B3 B7 GND NC F2 D5 GND NC G2 E3 GND NC E12 GND NC M7 GND NC H12G3 1 G11 GND NC 2 H8 GND NC J9 GND B8 GND D6 GND E5 GND F5 GND G5 GND G12 GND H9 GND K2 GND B9 GND D7 GND E6 GND F6 GND G6 GND H2 GND J2 GND K5 GND C2 GND F7 GND J5 GND K6 GNDGNDGGGGGGGGGGGG, C810 C178 R110 C166 C186 C167 R115 C136 C183 C145 C806 C141 R112 R111 C175 R119 C191 L110 C159 C156 L109 C151 C118 C121 C155 C160 C139 C147 C148 C182 C168 C117

L107 C162 R104

C169 L114 C161 R103 C157 R102 C174 R100 C176 L116 C131 C106 C171 R107 C180 L118 L106 L101 C150 C112 C103 C336 C109 C100 VR301 L102 L104

C101 PAM100

C120 C130 L105 C133 C123 C128

D803 C820 R411

C426 C819 C424 U400 R409 RFS100 9-44

U100

AAT1146IJS-0.6-T1 SC421 F100

U800 TCX100 BMA023

SC414

RFC100

C154 C163 TP319 TP318 C116 C110

PAM101

C165 FEM100

TQM7M5005H DUF100 C188

C158 C164 R412 L108 L113 L111 L115 L119 C144 C189 C143 C146 L121 L120 C153 C181 C140

U101 DUF101

L122 C132 C111 C142 C187 C107 L117

AERO4228EL/ 1 C177

C179 C137 R109 C172 C138 R108 C170 C129 C104 R114 C173 C127 R113 L123 R106 C152 C135 R105 R810 R811

C149 R311

R312 C821 SC407, 9-18-1. GSM850/EGSM transmitter TX Power is too Low!! TCXO CLOCK CHECK? NO TCX200 19.2MHz @ C183 re-solder or change

NO

Check the Power CHECK C158 U101

NO

Check the Voltage CHECK C166(3.8V)? PM400, VBAT Line

NO

Check the Power PAM101 Pin#10 of PAM101? re-solder or change

NO

Check the Power FEM100 Pin#11 of FEM100? re-solder or change

NO

Check RFS100? RFS100 change or re-solder

YES NO

Check RFC100? RFC100change or re-solder

YES

Antenna re-solder or change 9-45, 9-18-2. DCS/PCS transmitter TX Power is too Low!! TCXO CLOCK CHECK? NO TCX200 19.2MHz @ C183 re-solder or change

NO

Check the Power CHECK C154 U101

NO

Check the Voltage CHECK C166(3.8V)? PM400, VBAT Line

NO

Check the Power PAM101 Pin#12 of PAM101? re-solder or change

NO

Check the Power FEM100 Pin#9 of FEM100? re-solder or change

NO

Check RFS100? RFS100 change or re-solder

YES NO

Check RFC100? RFC100change or re-solder

YES

Antenna re-solder or change 9-46,

RFC100 RFS100 G

4 2 C154G G L109

RFIN

L100 1 GSM_TX_HB PAM101 DPCS_TX C110 VRF_U_2.8V_FEM C151 C156 C158 1 C108 C116 C117 DCS|PCS_IN L103 L104 DCS|PCS_OUT L110 7 10 GSM_TX_LB GSM850|900_INGSM850|900_OUT GSM_TX62C159 2G_PAM_EN TX_EN MODE_SEL C191 C118 3BAND_SEL GSM_TX 11 4GSM850|900TX GSM850RX 1213 GSM850_RX1 VBAT_3.8V 5 VBATT BYPASS_CAPGSM850RX GSM850_RX2 13 14 VRAMP BYPASS_CAPC121 GSM900RX 15 GSM_RX1 2G_PAM_MODEGSM900RX GSM_RX2 2G_PAM_BAND DPCS_TX 9 GSM1800|1900TX GSM1800RX 16 DCS_RX1 R110 8 GSM1800RX 1718 DCS_RX2 APC_GMSK R102 R100 GSM1900RX 19 PCS_RX1 3 GSM1900RX PCS_RX2GPEN0 VC1 C165 C167 C163 C164 GPEN1 4 20 C166 GPEN2 5 VC2 UMTS1 VC3 UMTS2 21 UMTS_900_TRX GPEN3 6 VC4 UMTS3 22 UMTS_2100_TRX R104 R103

FEM100

VBB_D_2.9V VRF_U_2.8V VRF_4228 2.8V_VDDAUX1 R116U102 C142 C136 C139 C140 C141 C138 C137 C143 C144 C145 C146 R117 C147 C184 GSM850_RX2 SYS_CLK_WLAN1AVCC 6 C155 L108 VRF_4228 2 VBAT_3.8V CAL_REQ B NC 5 R118 C153 GSM850_RX1 3 GNDY4BT_CLK

SHORT

C157 C148 C185 DCS_RX2 VBAT_3.8V L111 R108 C161 XTAL_PD SYS_CLK_WLAN N8M6 2_AUXCLK2_AUXCLKEN DCS_RX1 R109 K3 3_DCDCOUT L1 SYNCLK L3 2_CTRLCLK 3_DCDCSENSE M9 SYNDAT 2_CTRLDATA 3_DCDCVBATT N1 DSYNEN J3 2_CTRLEN C162 A4 3_LDOINMAIN H3 A3 2_RFIAP 3_LDOINPA M8 F3 DCDC_OUT_1.5V2_RFIAN 3_LDOINSYN GSM_RX2 A8A7 2_RFIDP C1602_RFIDN 3_RXINBAND1 G13 L113 A6 F13 UMTSBAND1RX C168 A5 2_RFIEP 3_RXINBAND22_RFIEN 3_RXINBAND5 E13A10 A9 2_RFIPP UMTSBAND8RXGSM_RX1 2_RFIPN 3_RXIN B1 U_RX_IN L114 C169 C171 A13 3_RXIP A1 U_RX_IP GSM_TX_HB C13 2_RFOH 3_RXQN C1 U_RX_QN GSM_TX_LB 2_RFOL U101 3_RXQP D1 U_RX_QPPCS_RX2 C170 G_DIGRF_DATA M4M2 2_RXTXDATA 3_TXIN N6 N7 U_TX_IN WCDMA_TX1L115 C175 G_DIGRF_TXEN 2_RXTXEN 3_TXIP N5 U_TX_IPC174 L11 3_TXQN N4 U_TX_QN C172 C173 PCS_RX1 M12 2_SW0 3_TXQP U_TX_QP M11 2_SW1 M10 2_SW2 3_TXOUTBAND1N N12 R112 2_SW3 3_TXOUTBAND1P N13 3_TXOUTBAND2N M13 C176 N3 L116BB_CLK M5 2_SYSCLK 3_TXOUTBAND2P L13 PC 2_SYSCLKEN 3_TXOUTBAND5N K13 3_TXOUTBAND5P J13R113 J1 H1 2_XTAL1 C177 C179 2_XTAL2 3_SPICLK B12 C11 3W_CLKR114 C180R111 M1 3_SPIDATA D11 3W_DATA L117R115 L118C186 2_VIO 3_SPIEN 3W_EN VRF_4228 N10D3 2_VRF B11 WCDMA_TX8TS_AFC 2_XMODE 3_SYSCLKEN12M3 3_SYSCLKOUT A11 C178 VCON GND RFST H11 2_STROBE2_PABAND 3_TCXOIN F1 UMTS_RF_CLK VCXOPWR_2.8V J11K11 2_PAEN VCC OUT C182 F11 2_PAMODE 3_RESETN E11 3G_RESET432_RAMPOUT C181

TCX100

C183 UMTS_RF_CLK 9-471C2A3G4G1G10 G ANT 23 GG VDD 7 24 G L2 B10 GND E2 GND J12 GND K12 GND L12 GND B4 GND C3 GND D8 GND E7 GND F8 GND G7 GND H5 GND J6 GND K7 GND B5 GND C12 GND D9 GND E8 GND F9 GND 2_VBATT N11 GND 2_VDD_BB H13G8 H6 GND 2_VDD_SYHF G1 J7 GND 3_VDD1V_1 N9 K8 GND 3_VDD1V_2 D13 B6 GND 3_VDD1V_3 B2 GND 3_VDD3 N2D2 A2 D12 GND 3_VDD3_RXSYN E9 GND 3_VDD3_TXSYN K1 GND 3_VDDDIGCORE E1F12 G9 GND 3_VDDDIGIO A12 H7 GND VDD_BALUN B13 J8 GND K9 GNDGND NC B3B7 D5 GND NC F2 G2 E3 GND NCGND NC M7E12 GND NC H12G3 GND NC 1G11 2 H8 GND NC J9 GND B8 GND D6 GND E5 GND F5 GND G5 GND G12 GND H9 GND

GND

K2 GND B9 GND D7 GND E6 GND F6 GND G6 GND H2 GND J2 GND K5 GND C2 GND F7 GND J5 GND K6 GNDGND, C810 C178 R110 C166 C186 C167 R115 C136 C183 C145 C806 C141 R112 R111 C175 R119 C191 L110 C159 C156 L109 C151 C118 C121 C155 C160 C139 C147 C182 C148 C168 C117

L107 C162 R104

C169 L114 C161 R103 C157 R102 C174 R100 C176 L116 C131 C106 C171 R107 C180 L118 L106 L101 C150 C112 C103 C336 C109 C100 VR301 L102 L104

C101 PAM100

C120 C130 L105 C133 C123 C128

D803 C820 R411 U400 C426C819 C424 RFS100

9-48

U100

AAT1146I JS-0.6-T1 SC410 SC421 F100

U800 TCX100 BMA023 RFC1

C154 C163 TP319 TP318 C116 C110

PAM101

C165 FEM100

TQM7M5005H DUF100 C188

C158 C164 R412 L108 L113 L111 L115 L119 C144 C189 C143 C146 L121 L120 C153 C181 C140

U101 DUF101

L122 C132 C111 C142 C187 C107 L117

AERO4228EL/ 1 C177

C179 C137 R109 C172 C138 R108 C170 C129 C104 R114 C173 C127 R113 L123 R106 C152 C135 R105 R810 R811

C149 R311

R312 C821 SC407, 9-18-3. WCDMA 2100 transmitter Band : WCDMA CELL POWER : -50dBm TARGET POWER : 22 dBm DL Channel : 10700 Ch TX Power is too Low!! TCXO CLOCK CHECK? NO TCX200 19.2MHz @ C183 re-solder or change

NO

Check the Power CHECK C170 U101

NO

Check the Power PAM100 C130 re-solder or change

NO

Check the Power DUP101 L120 re-solder or change

NO

Check the Power FEM100 C110 re-solder or change

YES NO

Check the Power RFS100 RFS100 re-solder or change

YES NO

Check RFC100 RFC100change or re-solder

YES

Antenna re-solder or change 9-49, 9-18-4. WCDMA 850 transmitter Band : WCDMA CELL POWER : -50dBm TARGET POWER : 22 dBm DL Channel : 3013 Ch TX Power is too Low!! TCXO CLOCK CHECK? NO TCX200 19.2MHz @ C183 re-solder or change

NO

Check the Power CHECK C180 U101

NO

Check the Power PAM100 C107 re-solder or change

NO

Check the Power DUP101 C100 re-solder or change

NO

Check the Power FEM100 C110 re-solder or change

YES NO

Check the Power RFS100 RFS100 re-solder or change

YES NO

Check RFC100 RFC100change or re-solder

YES

Antenna re-solder or change 9-50,

RFC100 RFS100 G

4GG2

RFIN

L100 1 C100 C110 VRF_U_2.8V_FEM

PAM100 L102 C103

L103 C108 L104 C116 C117 DUF100 1 14 C107 C106VEN_900 GND ANT C112C118 2 RFIN_900 RFOUT_900 13 3 TX RX 1 GSM_TX 11 GSM850|900TX GSM850RX 12 GSM850_RX1 GSM850RX 13 GSM850_RX2 3 VMODE1 VCC 12 C189 C188C121 GSM900RX 14 GSM_RX1 C111 L101 GSM900RX 15 GSM_RX2 4 VBATT VCCA 11245789DPCS_TX 9 GSM1800|1900TX GSM1800RX 16 DCS_RX1 GSM1800RX 17 DCS_RX2 5 VMODE2 GND 10 R102 R100 GSM1900RX 18 PCS_RX1 GSM1900RX 19 PCS_RX2 6 C187 3 RFIN_IMT GND GPEN0 VC1 GPEN1 4 VC2 UMTS1 20 7 VEN_IMT RFOUT_IMT 8 GPEN2 5 VC3 UMTS2 21 UMTS_900_TRX L120 GPEN3 6 VC4 UMTS3 22 UMTS_2100_TRX GND R104 R103 15 L121 C123

FEM100 DUF101

C130 L122 C131L105 ANT 3 TX RX 1 C133 L106C132245789 VBB_D_2.9V VRF_U_2.8V VRF_4228 2.8V_VDDAUX1 R116U102 C142 C136 C139 C140 C141 C138 C137 C143 C144 C145 C146 R117 C147 C184 GSM850_RX2 SYS_CLK_WLAN1AVCC 6 L108 C155 VRF_4228 VBAT_3.8V CAL_REQ2BNC5 R118 C153 GSM850_RX1 3 GNDY4BT_CLK

SHORT

C157 C148 C185 DCS_RX2 VBAT_3.8V L111 R108 C161 XTAL_PD SYS_CLK_WLAN N8M6 2_AUXCLK R109 2_AUXCLKENDCS_RX1 L1K3 3_DCDCOUT M9 SYNCLK L3 2_CTRLCLK 3_DCDCSENSESYNDAT 2_CTRLDATA 3_DCDCVBATT N1 DSYNEN J3 2_CTRLEN H3 C162 A4 3_LDOINMAIN A3 2_RFIAP 3_LDOINPA M8 DCDC_OUT_1.5V A8 2_RFIAN 3_LDOINSYN F3 GSM_RX2 A7 2_RFIDP G13 C160 2_RFIDN 3_RXINBAND1 L113 A6 UMTSBAND1RX C168 A5 2_RFIEP 3_RXINBAND2 F13 A10 2_RFIEN 3_RXINBAND5 E13 A9 2_RFIPP B1 UMTSBAND8RX GSM_RX1 2_RFIPN 3_RXIN U_RX_IN L114 C169A1 C171 A13 3_RXIP C1 U_RX_IPGSM_TX_HB C13 2_RFOH 3_RXQNGSM_TX_LB 2_RFOL U101 3_RXQP D1 U_RX_QN U_RX_QP PCS_RX2 C170 G_DIGRF_DATA M4M2 2_RXTXDATA 3_TXIN N6 N7 U_TX_IN WCDMA_TX1L115 G_DIGRF_TXEN 2_RXTXEN 3_TXIP U_TX_IP C174 C175 N53_TXQN U_TX_QN L11 C172 C173 M12 2_SW0 3_TXQP N4 U_TX_QP PCS_RX1 M11 2_SW1 M10 2_SW2 3_TXOUTBAND1N N12 N13 R112 2_SW3 3_TXOUTBAND1P M13 C176 BB_CLK N3 3_TXOUTBAND2N L116 M5 2_SYSCLK 3_TXOUTBAND2P L13 PC 2_SYSCLKEN 3_TXOUTBAND5N K13J13 R113 J1 3_TXOUTBAND5P C177 H1 2_XTAL1 B12 C179 2_XTAL2 3_SPICLK C11 3W_CLKR114 C180R111 3_SPIDATA M1 D11 3W_DATA L117R115 L118C186 N10 2_VIO 3_SPIEN 3W_ENVRF_4228 D3 2_VRF B11 WCDMA_TX8TS_AFC 2_XMODE 3_SYSCLKEN12M3 3_SYSCLKOUT A11 C178 VCON GND RFST H11 2_STROBE2_PABAND 3_TCXOIN F1J11 UMTS_RF_CLKVCXOPWR_2.8V K11 2_PAEN E11 VCC OUT C182 F11 2_PAMODE 3_RESETN 3G_RESET432_RAMPOUT C181

TCX100

C183 UMTS_RF_CLK 9-511C2A3G4G1G8GANT 2 23 GG VDD 7 24 G L2 B10 GND E2 GNDND J12 GGND K12 L12 GND B4 GND 3 GNDC D8 GND E7 GND 8 GNDF G7 GND H5 GND J6

GND

K7 GND B5 GND C12 GND D9 GND GNDE8 GND 2_VBATT N11F9 H13 G8 GND 2_VDD_BB GND 2_VDD_SYHF G1 H6 J7 GND 3_VDD1V_1 N9 K8 GND 3_VDD1V_2 D13 B6 GND 3_VDD1V_3 B2 GND 3_VDD3 N2 D2 GND 3_VDD3_RXSYN A2 D12 E9 GND 3_VDD3_TXSYN K1 12 GND 3_VDDDIGCORE E1 F 12 G9 GND 3_VDDD IGIO A H7 GND VDD_BALUN B13 8 GNDJ K9 GND B7 GND NC B3 D5 GND NC F2 ND C G2 E3GNE12 GND NC M7 H12 G3 GND NC 11 GND NC

G

H8 GND NC J9 GNDGND B8 GND D6 E5 GND F5 GNDGND G5 G12 GNDGND H9 K2 GNDND B9 G D7 GND E6 GND F6 GND G6 G

ND

H2 GND J2 GND GNDK5 C2 GND F7 GND J5

GND

6 GNDK GNDGGGGGGGGGGGG, C810 C178 R110 C166 C186 C167 R115 C136 C183 C145 C806 C141 R112 R111 C175 R119 C191 L110 C159 C156 L109 C151 C118 C121 C155 C160 C139 C147 C148 C182 C168 C117

L107 C162 R104

C169 L114 C161 R103 C157 R102 C174 R100 C176 L116 C131 C106 C171 R107 C180 L118 L106 L101 C150 C112 C103 C336 C109 C100 VR301 L102 L104

C101 PAM100

C120 C130 L105 C133 C123 C128

D803 C820 R411

C426 C819 C424 U400 R409 RFS100 9-52

U100

AAT1146IJS-0.6-T1 SC410 SC421 F100

U800 TCX100 BMA023 RFC10

C154 C163 TP319 TP318 C116 C110

PAM101

C165 FEM100

TQM7M5005H DUF100 C188

C158 C164 R412 L108 L113 L111 L115 L119 C144 C189 C143 C146 L121 L120 C153 C181 C140

U101 DUF101

L122 C132 C111 C142 C187 C107 L117

AERO4228EL/ 1 C177

C179 C137 R109 C172 C138 R108 C170 C129 C104 R114 C173 C127 R113 L123 R106 C152 C135 R105 R810 R811

C149 R311

R312 C821 SC407, 7. Block Diagrams

RF Block

7-1, Block Diagrams

GPS & WIFI Block

7-2, Block Diagrams

Audio Block (+ FM radio)

7-3, Block Diagrams

Display (LCD) Block

7-4, Block Diagrams

Camera Block

7-5, 8. PCB Diagrams 8-1. Main Top □ 8-1, PCB Diagrams 8-2. Main Bottom 8-2]
15

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