Samsung SGH-J770 Service Manual Download

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GSM TELEPHONE

SGH-J770

GSM TELEPHONE

CONTENTS

Safety Precautions

Specification

Product Function

Array course control

Exploded View and Parts List

Main Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

10. Reference data

11. Disassembly and Assembly

Instructions

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Summary of Contents for SGH-J770

Page 1: ...recautions 2 Specification 3 Product Function 4 Array course control 5 Exploded View and Parts List 6 Main Electrical Parts List 7 Block Diagrams 8 PCB Diagrams 9 Flow Chart of Troubleshooting 10 Reference data 11 Disassembly and Assembly Instructions efrcom ...

Page 2: ...d or domestic law Samsung Electronics Co Ltd 2008 09 Rev 1 0 ⓒ Country Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com GSPN Global Service Partner Network ...

Page 3: ...ine NAVI KEY PAD Figure 1 2 Combine LCD CAMERA MODULE and fixing soldering area Figure 2 Caution 1 Be careful of the possible damage on FPCB 1 After adjust FPCB on the LCD Attach conduction tape Figure 1 2 After combine Lower screw the 4 Bolts Figure 2 1 As seen figure 1 combine the Screw Cap Figure 1 2 combine the 3 4 KEY PAD on the front Figure 2 Figure 1 Figure 2 conduction TAPE SLIDE FPCB CAME...

Page 4: ...ure 1 2 Insert Camera key on the right side of the front Figure 2 3 Insert Volume key and MP3 Key on the right side of the front 1 After combine BRACKET screw the 2 Bolts Figure 1 2 Screw the 1 Bolt Figure 2 1 FIX the Antenna module on the PBA Figure 1 2 Screw the 1 Bolt Figure 2 Figure 2 Figure 1 BRACKET Screw L2 5 Torque 1 1 1 3KgfㆍCm Screw L2 0 Torque 1 1 1 3KgfㆍCm Figure 1 Figure 2 Intenna Scr...

Page 5: ...n not be used without Samsung s authorization 9 10 1 combine the Rear Cover Figure 1 2 As seen figure 2 Screw the 5 Bolts Figure 2 Caution 1 Be careful of the possible damage on FPCB 1 Attach the Rear Deco and PC Sheet Figure 1 Figure 2 Figure 1 Screw L3 0 Torque 1 1 1 3Kgfㆍ Cm Figure 1 Rear Deco PC Sheet ...

Page 6: ... F PCB Figure 1 Caution 1 Be careful with the damage of Slide F PCB 1 Disjoint carefully Rear Cover shaking right and left Figure 1 Caution 1 Be careful with the damage of Rear Cover 1 Detach rear deco and PC sheet on the back of a set with tweezer Figure 1 2 Unscrew 5points rear bolts on the back of a set Figure 2 Caution 1 Notice the Scratch on the Rear Cover when the set disjoint Figure 1 Figur...

Page 7: ...igure 1 2 Detach the camera motor spker Figure 2 Caution 1 Detach the conduction tape carefully 2 Notice the F PCB so as not to damage 1 Unscrew 2 points on the bracket Figure 1 2 Remove the 3 4 key pad Figure 2 1 Unscrew 6points on the Front Cover Figure 1 2 Unscrew 1 points on the front Figure 2 Figure 2 Figure 1 Screw M1 4 L2 Screw M1 4 L2 5 Figure 2 Figure 1 Screw M1 4 L2 Slide F PCB Connector...

Page 8: ...the UPPER Figure 1 2 Detach the Slide F PCB connector and Camera F PCB connector from the LCD Figure 2 Caution 1 Be careful with the damage of LCD 2 Be careful with the damage of F PCB 1 Detach the conduction tape from the LCD module Figure 1 Caution 1 Be careful with the damage of LCD Figure 1 Figure 2 Camera F PCB CONNECTOR Slide F PCB CONNECTOR NAVI KEY PAD conduction tape Figure 1 ...

Page 9: ... the Battery Voltage is more than 3 7V Power On does not work Change the Battery END No Yes C320 VISA 2 7V Check the PMU related to VINT No Yes Check the Clock at PM300 14pin CLK32K 32KHZ Resolder OSC300 C316 and C318 No Yes C300 VDD_IO_LOW C302 VDD_IO_HIGH H Check the related circuit No Yes VDD_GSM_CORE 1 2V Resolder L300 and L334 No Yes Check the initial operation Yes Yes ...

Page 10: ...4 C C V M I S 4 4 D D V C H 5 4 D D V O I T A B V REFGND 32 VISA 33 VBATSENSE 34 _REC1 35 _REC2 36 CHGCUR 37 USBVIN 38 VCHG VSS 4 2 D C O I M I S 5 2 D C S R M I S _ N E M I S 6 2 27 NTC 28 _ONKEY 29 MICBIAS 3 _IRQ 30 REFC 31 8 1 X L D C D 9 1 T A B V D C D 2 OSCO 0 2 D D V D C D 1 2 A D S 2 2 L C S 3 2 D C K C M I S 1 OSCI 10 GPO1 PWREN1 11 12 PWREN2 13 VSS 4 1 K 2 3 K L C 5 1 D D V 4 D 6 1 D D V...

Page 11: ...shooting This Document can not be used without Samsung s authorization 10 3 1 0 2 C 0 0 3 C 2 0 3 C C303 C304 5 0 3 C 0 1 3 C C311 2 1 3 C 3 1 3 C 5 1 3 C C316 C317 8 1 3 C C319 C320 C321 4 2 3 C C327 C328 0 0 3 L OSC300 PM300 R319 0 2 3 R R321 R322 R325 4 3 3 R 0 0 1 C S TA300 ...

Page 12: ...cument can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 4 10 2 Initial UCP200 pin B9 RSTON H Initial Failure Replace UCP200 END No Yes UME200 pin C5 RSTEXTn or TP_EXT H Yes Yes No Change PBA Check the 16bit data signal memory CE Yes ...

Page 13: ..._HFA_2 6V VDD_GSM_CORE_1 2V VDD_USB_3 3V C212 R210 100K SIM_VCC_3 0V U Q C C V 9 V NC W1 NC W10 NC W11 NC W12 NC W2 NC W3 NC V12 NC V2 Q S S V 3 V R Q C C V 4 V R Q C C V 5 V R Q C C V 6 V R Q C C V 7 V Q S S V 8 V O Q C C V 5 U O Q C C V 6 U U Q C C V 7 U U Q C C V 8 U Q S S V 9 U NC V1 O Q C C V 0 1 V NC V11 DQ13ROU T9 NC U1 O Q C C V 0 1 U U C C V 1 1 U NC U12 S S V 2 U OER U3 U C C V 4 U NC T1...

Page 14: ...C628 C629 C634 C635 0 0 5 F 3 0 5 F 5 0 5 F L400 L401 L405 L406 0 0 2 R R201 2 0 2 R R203 R204 5 0 2 R R20 6 R207 R208 R209 0 1 2 R 1 1 2 R R212 R213 R214 R215 6 1 2 R R217 8 1 2 R 9 1 2 R 7 0 3 R 2 1 3 R 4 1 3 R 3 1 3 R R315 R316 R317 R318 3 2 3 R 4 2 3 R R400 R402 3 0 4 R 4 0 4 R 2 1 4 R R415 R500 R501 2 0 5 R 3 0 5 R 4 0 5 R R506 R509 R603 R604 1 0 5 A T TP_201 TP_A200 0 0 2 E B _ P T TP_CLKBUS...

Page 15: ...e used without Samsung s authorization 10 7 10 3 Charging Part PM300 pin 38 VCHG 4 9V Abnormal charging part END No Yes PM300 pin 34 AUX_ON or F500 PIN3 L No Yes Check the PM300 pin 46 1 4V No Yes Resolder U500 C504 C505 and C317 Resolder or Replace F500 Resolder TA300 C332 R302 and R300 or Replace ZD300 Yes ...

Page 16: ...4 C C V M I S 4 4 D D V C H 5 4 D D V O I T A B V REFGND 32 VISA 33 VBATSENSE 34 _REC1 35 _REC2 36 CHGCUR 37 USBVIN 38 VCHG VSS 4 2 D C O I M I S 5 2 D C S R M I S _ N E M I S 6 2 27 NTC 28 _ONKEY 29 MICBIAS 3 _IRQ 30 REFC 31 8 1 X L D C D 9 1 T A B V D C D 2 OSCO 0 2 D D V D C D 1 2 A D S 2 2 L C S 3 2 D C K C M I S 1 OSCI 10 GPO1 PWREN1 11 12 PWREN2 13 VSS 4 1 K 2 3 K L C 5 1 D D V 4 D 6 1 D D V...

Page 17: ...EXT_CHARGE_5 0V C502 2 0 5 D Z 7 8 OUT4 TA500 9 10 GND IN1 1 2 IN2 IN3 3 4 IN4 OUT1 5 6 OUT2 OUT3 R503 F500 GND VDD_IO_HIGH_2 9V U502 GND 2 1 IN 5 OUT 3 _EN _FLAG 4 C504 U500 R502 V_EXT_CHARGE_IF_5 0V R501 C503 VBAT 26 NC 27 8 8 9 9 NC 21 22 NC 23 NC NC 24 25 NC NC 18 19 19 2 2 20 20 3 3 4 4 5 5 6 6 7 7 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 IFC500 1 1 10 FM_ANT EARSPK_L EARSPK_R EARMIC_N...

Page 18: ...27 3 3 1 C 5 3 1 C 4 3 1 C 7 3 1 C 8 3 1 C C139 1 0 2 C 0 0 3 C 2 0 3 C C303 C304 5 0 3 C 6 0 3 C C307 0 1 3 C C311 2 1 3 C 3 1 3 C 5 1 3 C C316 C317 8 1 3 C C319 C320 C321 4 2 3 C 5 2 3 C C327 C328 9 2 3 C C330 C331 C332 7 0 5 C D611 F100 L103 L109 0 0 3 L OSC100 OSC300 PM300 R101 2 0 1 R R103 2 1 1 R 3 1 1 R R115 R300 R302 R308 R319 0 2 3 R R321 R322 R325 R328 4 3 3 R 7 0 5 R 0 0 1 C S 0 0 3 M I...

Page 19: ... C609 C619 C628 C629 C630 C631 C632 C633 C634 C635 C636 C637 D500 D601 4 0 6 D 0 1 6 D 0 0 5 F F501 2 0 5 F 3 0 5 F 4 0 5 F 5 0 5 F 6 0 5 F 1 0 6 C D H IFC500 L400 L401 L405 L406 0 0 2 R 2 0 2 R R204 R20 6 R207 R208 R209 1 1 2 R R212 R213 R214 R215 6 1 2 R R217 8 1 2 R 9 1 2 R 2 1 3 R 4 1 3 R 3 1 3 R R315 R316 R317 3 2 3 R 4 2 3 R R400 R402 3 0 4 R 4 0 4 R R405 R406 R408 R410 R411 2 1 4 R R413 R41...

Page 20: ...rt of Troubleshooting 10 12 10 4 Sim Part SIM300 pin 1 5 or R328 H Phone can t access SIM Card Resolder R328 C331 and C330 Check the SIM Card END No Yes Yes Yes No Resolder or Replace SIM300 After Power ON Check SIMCLK Signal on pin3 of SIM300 in a few second Yes No Replace PBA After SIM card insert SIM300 pin 2 H SIM_RST Yes ...

Page 21: ...ice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 13 G T flash USIM Socket C331 R328 C330 SIM_VCC_3 0V G 13 14 G G 15 16 G 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 SIM300 1 1 10 10 11 11 12 12 2 SIMIO SIMCLK SIMRST ...

Page 22: ...ocument can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 14 6 0 3 C C307 5 2 3 C 9 2 3 C C330 C331 C332 C42 4 C431 C600 CK600 D60 0 D602 D609 D611 D614 HDC600 L40 3 L404 R101 R103 R300 R302 R308 R325 R328 0 0 3 M I S TA300 0 0 3 U ...

Page 23: ...Samsung s authorization 10 15 10 5 Microphone Part C324 MIC_BIAS H at Mic Active Check MIC Connection Resolder R400 R403 R412 R405 and R413 or Replace C324 and TA400 Resolder L403 L404 C427 C430 C428 C425 R432 C424 C431 and R415 END No Yes Yes Yes Yes No Check the KEY PBA MIC No Replace the KEY PBA Microphone does not work ...

Page 24: ... 4 C C V M I S 4 4 D D V C H 5 4 D D V O I T A B V REFGND 32 VISA 33 VBATSENSE 34 _REC1 35 _REC2 36 CHGCUR 37 USBVIN 38 VCHG VSS 4 2 D C O I M I S 5 2 D C S R M I S _ N E M I S 6 2 27 NTC 28 _ONKEY 29 MICBIAS 3 _IRQ 30 REFC 31 8 1 X L D C D 9 1 T A B V D C D 2 OSCO 0 2 D D V D C D 1 2 A D S 2 2 L C S 3 2 D C K C M I S 1 OSCI 10 GPO1 PWREN1 11 12 PWREN2 13 VSS 4 1 K 2 3 K L C 5 1 D D V 4 D 6 1 D D ...

Page 25: ...05 C402 C427 C400 C425 L403 MIC_MAIN_N MIC_MAIN_P MIC_P MIC_N EARMICP EARMICN EARMIC_P EARMIC_N G KEY PBA CON C N 2 2 C N 3 2 4 2 C N 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1 2 C N 14 14 15 15 16 16 17 17 18 18 19 19 2 2 20 20 HDC600 1 1 10 10 11 11 12 12 13 13 C636 1 CH1 3 CH2 CH3 4 5 CH4 CH5 6 VN 2 D601 C600 D610 D600 D604 U504 D602 KEY_ROW 4 KEY_COL 4 VDD_IO_HIGH_2 9V MIC_MAIN_P KEY_COL 0 KEY_COL 2 KEY_CO...

Page 26: ... C C125 C126 C127 C129 0 3 1 C C131 2 3 1 C 1 0 2 C 0 0 3 C 2 0 3 C C303 C304 5 0 3 C 6 0 3 C C307 0 1 3 C C311 2 1 3 C 3 1 3 C 5 1 3 C C316 C317 8 1 3 C C319 C320 C321 4 2 3 C 5 2 3 C C327 C328 9 2 3 C C330 C331 C332 C424 C431 C600 D60 0 D602 D609 D611 D614 F100 L103 L109 L112 L113 0 0 3 L L40 3 L404 OSC300 PM300 R101 2 0 1 R R103 R300 R302 R308 R319 0 2 3 R R321 R322 R325 R328 4 3 3 R SC103 0 0 ...

Page 27: ...uthorization 10 19 10 6 Speaker Part U401 pin B1 VDD 3 7 V Speaker does not work Does not work Voice call Resolder C414 and C415 No Yes No Resolder TA400 C406 AND C407 Yes Does not work Ringtone and Mp3 Resolder U401 or Replace U401 No Yes END Yes Is Speaker working Resolder L406 L405 C602 and C635 or Change Speaker Motor ASS Y No Yes ...

Page 28: ... C603 C604 C609 C619 C628 C629 C630 C631 C632 C633 C634 C635 C636 C637 D500 D601 4 0 6 D 0 1 6 D 0 0 5 F F501 2 0 5 F 3 0 5 F 4 0 5 F 5 0 5 F 6 0 5 F 1 0 6 C D H L400 L401 L405 L406 0 0 2 R 2 0 2 R R204 R206 R207 R208 R209 1 1 2 R R212 R213 R214 R215 6 1 2 R R217 8 1 2 R 9 1 2 R 2 1 3 R 4 1 3 R 3 1 3 R R315 R316 R317 3 2 3 R 4 2 3 R R400 R402 3 0 4 R 4 0 4 R R405 R406 R408 R410 R411 2 1 4 R R413 R...

Page 29: ...RMICN EARMIC_P EARMIC_N EAR2 EAR1 C406 G SUBBOARDCON R604 C619 C601 C630 C633 C634 C631 C602 R600 C604 7 8 8 9 9 C N 1 6 C N 2 6 C N 3 6 C N 4 6 54 54 55 55 56 56 57 57 58 58 59 59 6 6 60 60 7 47 47 48 48 49 49 5 5 50 50 51 51 52 52 53 53 4 4 40 40 41 41 42 42 43 43 44 44 45 45 46 46 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 25 25 26 26 27 27 28 28 29 29 3 3 30 30 31 31 18 18 19 19 2 2 20 20...

Page 30: ... C604 C609 C619 C628 C629 C630 C631 C632 C633 C634 C635 C636 C637 D500 D601 4 0 6 D 0 1 6 D 0 0 5 F F501 2 0 5 F 3 0 5 F 4 0 5 F 5 0 5 F 6 0 5 F 1 0 6 C D H IFC500 L400 L401 L405 L406 0 0 2 R 2 0 2 R R204 R206 R207 R208 R209 1 1 2 R R212 R213 R214 R215 6 1 2 R R217 8 1 2 R 9 1 2 R 2 1 3 R 4 1 3 R 3 1 3 R R315 R316 R317 3 2 3 R 4 2 3 R R400 R402 3 0 4 R 4 0 4 R R405 R406 R408 R410 R411 2 1 4 R R413...

Page 31: ...d without Samsung s authorization 10 23 10 7 Key Data Input Check Initial Operation Yes When you pushed all of the Key does the key have tension Change Sub Domesheet or Change Main Key PBA or Change Side Key Volume Key or Camera Key Yes All of the key doesn t work except POWER ON KEY Replace the PBA No Yes END No ...

Page 32: ... 18 18 19 19 2 2 20 20 HDC600 1 1 10 10 11 11 12 12 13 13 C636 1 CH1 3 CH2 CH3 4 5 CH4 CH5 6 VN 2 D601 C600 D610 D600 D604 U504 D602 KEY_ROW 4 KEY_COL 4 VDD_IO_HIGH_2 9V MIC_MAIN_P KEY_COL 0 KEY_COL 2 KEY_COL 1 KEY_ROW 3 KEY_ROW 0 KEY_ROW 1 KEY_ROW 2 ONKEYN KEY_COL 3 FLIP MIC_MAIN_N VDD_KEY_3 3V G SIDE KEY CAMERA KEY FPCB 7 0 6 D 4 1 6 D 1 1 2 2 3 3 4 4 VK600 1 1 22 3 3 CK600 9 0 6 D 3 1 6 D 2 1 6...

Page 33: ...ng This Document can not be used without Samsung s authorization 10 25 10 8 Back Light for Color Main LCD Backlight does not work Yes Is LCD Contrast set on high level in the Menu No Set LCD Contrast on high level Yes Resolder R604 or Repalce LCD Module No Is HDC601 pin 42 H Yes END ...

Page 34: ...35 35 36 36 37 37 38 38 39 39 25 25 26 26 27 27 28 28 29 29 3 3 30 30 31 31 18 18 19 19 2 2 20 20 21 21 22 22 23 23 24 24 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 HDC601 1 1 TP_HSYNC C629 C635 R601 TP_VSYNC C632 C603 C637 R603 C628 R605 R602 C609 LD 6 LD 4 LD 2 LD 0 LD 1 LD 3 LD 5 LD 7 LD 9 LD 11 LD 12 LD 10 LD 8 SUB_LED_EN VDD_CAM_IO_1 8V LCD_ID KEY_COL 4 KEY_COL 2 KEY_COL 3 M_SDA Y 3 Y 1 ...

Page 35: ...ce Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 27 10 9 Key Back Light Main Key LED does not work Yes No Resolder C636 HDC600 pin20 H Yes Resolder C325 or Replace MAIN KEY PBA HDC600 pin8 3 3V END Yes No ...

Page 36: ...422 C423 5 2 4 C 6 2 4 C 7 2 4 C C428 C429 0 3 4 C 2 3 4 C C504 5 0 5 C C601 C602 C603 C604 C609 C619 C628 C629 C630 C631 C632 C633 C634 C635 C636 C637 D601 4 0 6 D 0 1 6 D 2 0 5 F 3 0 5 F 4 0 5 F 5 0 5 F 6 0 5 F 1 0 6 C D H L405 L406 0 0 2 R 2 0 2 R R204 R206 R207 R208 R209 1 1 2 R R212 R213 R214 R215 6 1 2 R R217 8 1 2 R 9 1 2 R R400 R402 3 0 4 R R405 R406 R408 R410 R411 2 1 4 R R413 R415 R510 R...

Page 37: ... 35 35 36 36 37 37 38 38 39 39 25 25 26 26 27 27 28 28 29 29 3 3 30 30 31 31 18 18 19 19 2 2 20 20 21 21 22 22 23 23 24 24 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 HDC601 1 1 TP_HSYNC C629 C635 R601 TP_VSYNC C632 C603 C637 R603 C628 R605 R602 C609 LD 6 LD 4 LD 2 LD 0 LD 1 LD 3 LD 5 LD 7 LD 9 LD 11 LD 12 LD 10 LD 8 SUB_LED_EN VDD_CAM_IO_1 8V LCD_ID KEY_COL 4 KEY_COL 2 KEY_COL 3 M_SDA Y 3 Y 1...

Page 38: ...4 C C V M I S 4 4 D D V C H 5 4 D D V O I T A B V REFGND 32 VISA 33 VBATSENSE 34 _REC1 35 _REC2 36 CHGCUR 37 USBVIN 38 VCHG VSS 4 2 D C O I M I S 5 2 D C S R M I S _ N E M I S 6 2 27 NTC 28 _ONKEY 29 MICBIAS 3 _IRQ 30 REFC 31 8 1 X L D C D 9 1 T A B V D C D 2 OSCO 0 2 D D V D C D 1 2 A D S 2 2 L C S 3 2 D C K C M I S 1 OSCI 10 GPO1 PWREN1 11 12 PWREN2 13 VSS 4 1 K 2 3 K L C 5 1 D D V 4 D 6 1 D D V...

Page 39: ... C 0 0 3 C 2 0 3 C C303 C304 5 0 3 C 6 0 3 C C307 C308 9 0 3 C 0 1 3 C C311 2 1 3 C 3 1 3 C 5 1 3 C C316 C317 8 1 3 C C319 C320 C321 4 2 3 C 5 2 3 C C327 C328 9 2 3 C C330 C331 C332 C42 4 C431 7 0 5 C C600 CK600 D60 0 D602 D607 D609 D611 D612 D613 D614 F100 HDC600 L103 L109 L112 0 0 3 L L40 3 L404 OSC300 PM300 R101 2 0 1 R R103 2 1 1 R 3 1 1 R R115 R300 R302 R304 R305 R308 R319 0 2 3 R R321 R322 R...

Page 40: ... 5 C C504 5 0 5 C C601 C602 C603 C604 C609 C619 C628 C629 C630 C631 C632 C633 C634 C635 C636 C637 D500 D601 4 0 6 D 0 1 6 D 0 0 5 F F501 2 0 5 F 3 0 5 F 4 0 5 F 5 0 5 F 6 0 5 F 1 0 6 C D H IFC500 L400 L401 L405 L406 0 0 2 R 2 0 2 R R204 R206 R207 R208 R209 1 1 2 R R212 R213 R214 R215 6 1 2 R R217 8 1 2 R 9 1 2 R 2 1 3 R 4 2 3 R R400 R402 3 0 4 R 4 0 4 R R405 R406 R408 R410 R411 2 1 4 R R413 R415 R...

Page 41: ...t be used without Samsung s authorization 10 33 10 10 Camera part Yes Camera function does not work Yes Check the Camera connector Reconnect the camera module No CON600 Pin 45 46 H Yes Resolder R602 or Replace CAMERA MODULE or Replace LCD Module No Yes Is there another problem Replace the camera module END ...

Page 42: ...orization Flow Chart of Troubleshooting 10 34 10 11 Radio Part Is FM Sound Working Radio does not work No Yes Resolder C409 C412 Searching any Channel No Yes END Yes No Yes Check UCP200 Yes Check U400 pin F6 B6 2 9V Check U400 pin A6 B1 1 8V Resolder C413 C410 R404 Resolder or Replace U400 Resolder U420 U502 ...

Page 43: ... RX ON Cell Power 60dBm F100 Pin13 65dBm Yes Resolder RFS100 C113 L102 No Yes No Check F100 pin9 pin11 L F100 1 2 68dBm Check ANT Switch control circuit No Yes Resolder F100 Yes U107 pin 24 70dBm pin 25 70dBm Resolder C119 C120 U104 No Yes U107pin 11 12 16 29 32 33 36 2 8V No U107 pin 4 5 6 7 0 2Vp_p No Check Resolder C128 C134 C137 Yes Yes Resolder U107 Check UCP200 END ...

Page 44: ...33 36 2 8V END Check UCP200 Yes Resolder U107 Check VBAT or PAM control signal No Change or Resolder F100 Yes F100 Pin13 30dBm TX ON 5Level Check F100 pin11 H 2 6V Pin9 L F100 pin10 30dBm U106 pin12 30dBm U106 pin7 2dBm Check ANT Switch control circuit Resolder or Change C130 U107 pin 4 5 6 7 0 2Vp_p Yes Check U106 pin2 3 4 5 6 OK Resolder or Change U106 Check U107 C128 C134 C137 No No No No Yes Y...

Page 45: ...der RFS100 C113 L102 U107 pin11 12 16 29 32 33 36 2 8V pin 10 1 8V F100 Pin13 65dBm END No Yes RX ON Cell Power 60dBm F100 3 4 68dBm U107 pin 4 5 6 7 0 2Vp_p U107 pin 22 70dBm pin 23 70dBm Check ANT Switch control circuit Resolder F100 Resolder C115 C116 L109 Check Resolder C128 C134 C137 Resolder U107 Yes Yes Yes Yes Yes Yes No No No No No Check UCP200 Check F100 pin9 pin11 L ...

Page 46: ...n 10 1 8V F100 Pin13 25dBm TX ON 0Level Check F100 pin9 H 2 6V pin11 L F100 pin8 25dBm U106 pin18 25dBm U106 pin1 4dBm Change or Resolder F100 Check ANT Switch control circuit Resolder or Change C122 C123 L112 U107 pin 4 5 6 7 0 2Vp_p Yes Check U106 pin2 3 4 5 6 OK Resolder or Change U106 Check VBAT or PAM control signal Check Resolder C128 C134 C137 No No No Yes Yes No Yes Yes Yes Yes No No No Ye...

Page 47: ... RX ON Cell Power 60dBm F100 Pin13 65dBm Yes Resolder RFS100 C113 L102 No Yes Check F100 pin9 pin11 L F100 5 6 68dBm Check ANT Switch control circuit No No Resolder F100 U107 pin 20 70dBm pin 21 70dBm Yes Yes Resolder C112 C114 L103 No Yes U107 pin11 12 16 29 32 33 36 2 8V U107 pin 4 5 6 7 0 2Vp_p Check Resolder C128 C134 C137 No No Resolder U107 Yes Yes Check UCP200 END ...

Page 48: ... pin11 L F100 pin8 25dBm U106 pin18 25dBm U106 pin1 4dBm Resolder F100 Check ANT Switch control circuit Resolder or Change C122 C123 L112 Yes Check U106 pin 2 3 4 5 6 OK Resolder or Change U106 Check VBAT or PAM control signal No No No Yes Yes No Yes Yes Yes Yes No No No Yes END Check UCP200 Resolder U107 Yes Resolder RFS100 C113 L102 U107 pin 4 5 6 7 0 2Vp_p U107 pin11 12 16 29 32 33 36 2 8V No C...

Page 49: ...10 22 D N G D N G 1 1 3 2 D N G SC101 1 1 2 2 3 3 4 4 5 5 C133 L106 C139 5 5 L113 SC103 1 1 2 2 3 3 4 4 2 3 3 4 4 5 5 L102 4 4 5 5 6 6 SC100 1 1 2 ANT102 1 1 2 2 3 3 SC102 1 1 2 2 3 3 4 4 5 5 U104 R103 R113 C126 C118 PCS_RX2 6 VC1 11 9 VC2 EGSM_RX2 2 EGSM_TX 10 7 G G 12 14 G G 15 G 16 5 PCS_RX1 F100 13 ANT 3 DCS_RX1 DCS_RX2 4 8 DCS PCSTX 1 EGSM_RX1 VDD_RX_TX_2 8V TA100 C117 L112 C108 C112 C132 C12...

Page 50: ...n Flow Chart of Troubleshooting 10 42 10 18 Bluetooth part Bluetooth does not work Yes U102 pin 2 2dBm Resolder or replace C111 L111 L105 ANT101 No Yes Check for the clock at C101 26MHz Resolder C101 check U107 pin8 26MHz No Yes TP105 TP106 TP107 TP108 1 8V Pin C5 1 7V 32kHz No check UCP200 Yes replace U103 Yes END ...

Page 51: ...IO 2 CTS_UART CLK_EXT G5 N G I D 1 H XTAL1_SYS E1 D N G 2 E D N G 3 E D N G 4 E GPIO 12 CLK_SPI E5 XTAL2_SYS F1 D N G 2 F D N G 3 F D N G 3 C GPIO 13 CS_SPI C4 LPO_CLK C5 L L P D D V 1 D C S O D D V 2 D D N G 3 D D N G 4 D GPIO 10 INT_SPI D5 GPIO 14 MOSI_SPI A4 D N G 5 A ANT B1 D N G 3 B GPIO 11 MISO_SPI B4 1 O I D D V 5 B F R D D V 1 C D N G 2 C U103 1 NC NC 2 D N G 1 A PDB A2 O D D V 3 A 6 0 1 C...

Page 52: ...8 Block Diagrams 8 1 8 1 Functional Block Diagram ...

Page 53: ...ams 8 2 8 2 BLUETOOTH FM Radio Block Diagram C I N O R T UART Bluetoot h system clock clock request low power clock PCM Mobile Phon e low power clock system clock reset power down Vdd PTA Coexistence 2400 2485 MHz ...

Page 54: ...l LCD 176 x 220 1 76 262K QCIF TFT RF Block SI4221 RF IC RF3159 Power AMP Intenna LMG003W 5198A FEM SIM CARD sliding Type 3V only PNX6515 Memory SEC 256M 512M 256Mbit NOR OneNAND UtRAM FBGA Audio Amp max9877 I2C interface PMU PCF50613 9ch LDO 3ch GPO 1ch Step down DC DC 1ch Chare Pump 12C Interface RTC Charger USB TA External IO Interface SD card Bluetooth BGB210S Key Pad 3 col x 5 row ...

Page 55: ...34 C635 C636 C637 CD300 D500 D601 4 0 6 D 0 1 6 D 0 0 5 F F501 1 0 6 C D H IFC500 L400 L401 L402 L500 T N I _ R 0 0 2 R R201 2 0 2 R R203 R204 5 0 2 R R206 R207 R208 R209 0 1 2 R 1 1 2 R R212 R213 R214 R215 6 1 2 R R217 8 1 2 R 9 1 2 R 7 0 3 R 2 1 3 R 4 1 3 R 3 1 3 R R315 R316 R317 R318 3 2 3 R 4 2 3 R R400 R402 3 0 4 R R404 R405 R406 R407 R408 R409 R410 R411 2 1 4 R R413 R415 R500 R501 2 0 5 R 3 ...

Page 56: ...3 C C316 C317 8 1 3 C C319 C320 C321 4 2 3 C 5 2 3 C C327 C328 9 2 3 C C330 C331 C332 C424 C431 7 0 5 C C600 CK600 D60 0 D602 D607 D609 D611 F100 HDC600 0 0 1 L 1 0 1 L L102 L103 L104 5 0 1 L L106 L107 L109 0 1 1 L 1 1 1 L L112 L113 0 0 3 L L40 3 L404 OSC100 OSC300 PM300 0 0 1 R R101 R102 R103 4 0 1 R 5 0 1 R 6 0 1 R 7 0 1 R 8 0 1 R 9 0 1 R 1 1 1 R 2 1 1 R 3 1 1 R R115 R300 R302 R304 5 0 3 R R308 ...

Page 57: ...C AUDIO AMP 1201 002767 U106 IC POWER AMP 1203 004818 U300 IC POSI FIXED REG 1203 005031 U500 IC VOL 1203 005235 PM300 IC POWER SUPERVISOR 1203 005354 U301 IC POSI FIXED REG 1204 002926 U400 IC DEMODULATOR 1205 003283 U107 IC TRANSCEIVER 1205 003482 UCP200 IC COMM CONTROLLER 1404 001221 VR500 THERMISTOR 1405 001121 ZD502 ZD503 VARISTOR 1405 001183 VR600 VR601 VR602 VARISTOR 2007 000137 R400 R403 R...

Page 58: ... 2007 007311 R319 R CHIP 2007 007312 R509 R CHIP 2007 007317 R206 R207 R320 R CHIP 2007 007334 R504 R CHIP 2007 007573 R300 R CHIP 2007 008354 R302 R CHIP 2007 008516 R602 R604 R605 R CHIP 2007 008542 R600 R CHIP 2007 009112 R500 R502 R CHIP 2007 009157 R507 R CHIP 2007 009170 R501 R CHIP 2203 000233 C109 C117 C118 C125 C CER CHIP 2203 000233 C126 C127 C139 C314 C CER CHIP 2203 000254 C410 C413 C ...

Page 59: ...7 C129 C201 C202 C CER CHIP 2203 005482 C203 C204 C321 C330 C CER CHIP 2203 005482 C332 C402 C405 C427 C CER CHIP 2203 005482 C430 C501 C636 C CER CHIP 2203 005483 C224 C CER CHIP 2203 005682 C509 C CER CHIP 2203 005717 C601 C602 C609 C633 C CER CHIP 2203 005717 C635 C CER CHIP 2203 006048 C138 C208 C211 C213 C CER CHIP 2203 006048 C215 C216 C220 C406 C CER CHIP 2203 006048 C506 C CER CHIP 2203 00...

Page 60: ... 2703 002506 L114 INDUCTOR SMD 2703 002608 L103 L109 INDUCTOR SMD 2703 003121 L407 INDUCTOR SMD 2703 003290 L300 INDUCTOR SMD 2801 004339 OSC300 CRYSTAL SMD 2801 004587 OSC100 CRYSTAL SMD 2901 001408 F500 FILTER EMI 2901 001436 F600 F601 F602 F603 FILTER EMI 2901 001436 F604 FILTER EMI 2909 001307 U102 FILTER LC 2911 000093 F100 DUPLEXER FEM 3301 001729 L400 L401 BEAD SMD 3301 001756 L100 BEAD SMD...

Page 61: ...EC CODE Design LOC Discription 4709 001625 U103 BLUETOOTH MODULE GH70 03349A SC100 SC101 SC102 IPR SHIELD CAN CLIP GH70 03349A SC103 SC104 SC105 IPR SHIELD CAN CLIP GH70 03349A SC106 IPR SHIELD CAN CLIP GH71 06419A ANT100 ANT102 NPR ANTENNA CONTACT Please consult the GSPN website Samsung Portal for the most recent version of the product s part list ...

Page 62: ...renkleri takib et daha fazla ve detayl semalar burda K750 mic Follow the marked track color There is more here www efrcom net I efrcom efrcom ...

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