Service Manual
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MAIN Electrical Parts List 7. Block Diagrams 8. Exploded View and Part List 6. Array course control 5. Disassembly and Assembly Instructions Product Function 4. Safety Precautions 2. Reference data 11. Specification 3. PCB Diagrams 9. Flow Chart of Troubleshooting 10. GSM TELEPHONE SGH-G600 GSM TELEPHONE CONTENTS 1.
MAIN Electrical Parts List 7. Block Diagrams 8. Exploded View and Part List 6. Array course control 5. Disassembly and Assembly Instructions Product Function 4. Safety Precautions 2. Reference data 11. Specification 3. PCB Diagrams 9. Flow Chart of Troubleshooting 10. GSM TELEPHONE SGH-G600 GSM TELEPHONE CONTENTS 1.
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9. Yes No Resolder OSC400 No Check the related circuit C425(+VDD_GSM_CORE) = 1.2V? Power On ' Power On ' does not work Yes Check the Battery Voltage is more than 3.7V Yes C418(VISA) = 2.6V? Flow Chart of Troubleshooting 9-1. Yes No Change the Battery No Check the PMU related to VISA Check the Clock at R409=32KHZ Yes C400(+VDD_IO_LOW) & C402(+VDD_IO_HIGH) = "H"? Yes No Check the +VDD_GSM_CORE circuit Check the initial operation Yes END 9-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
9. Yes No Resolder OSC400 No Check the related circuit C425(+VDD_GSM_CORE) = 1.2V? Power On ' Power On ' does not work Yes Check the Battery Voltage is more than 3.7V Yes C418(VISA) = 2.6V? Flow Chart of Troubleshooting 9-1. Yes No Change the Battery No Check the PMU related to VISA Check the Clock at R409=32KHZ Yes C400(+VDD_IO_LOW) & C402(+VDD_IO_HIGH) = "H"? Yes No Check the +VDD_GSM_CORE circuit Check the initial operation Yes END 9-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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Flow Chart of Troubleshooting 9-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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Yes Check the 16bit data signal & memory CE Yes END Flow Chart of Troubleshooting No Check the circuit related to reset No change UCP200 9-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Yes UCP200 pin F1(RSTEXTn) ="H"? OK? Initial Initial Failure Yes UCP200 pin C11 (RSTON) ="H"? 9-2.
Yes Check the 16bit data signal & memory CE Yes END Flow Chart of Troubleshooting No Check the circuit related to reset No change UCP200 9-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Yes UCP200 pin F1(RSTEXTn) ="H"? OK? Initial Initial Failure Yes UCP200 pin C11 (RSTON) ="H"? 9-2.
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Flow Chart of Troubleshooting 9-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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Yes Check the PM400 pin 36 ≒ 1.25V Yes END Flow Chart of Troubleshooting No Check the circuit related to V_EXT_CHARGE No Check the circuit related to AUX_ON signal No Resolder or replace PM400 9-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-3. Charging Part Abnormal charging part Yes Check the PM400 pin 38 > 5.0V Yes PM400 pin 34(AUX_ON) = "L"?
Yes Check the PM400 pin 36 ≒ 1.25V Yes END Flow Chart of Troubleshooting No Check the circuit related to V_EXT_CHARGE No Check the circuit related to AUX_ON signal No Resolder or replace PM400 9-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-3. Charging Part Abnormal charging part Yes Check the PM400 pin 38 > 5.0V Yes PM400 pin 34(AUX_ON) = "L"?
Service Manual
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Flow Chart of Troubleshooting 9-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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Yes After Power ON, Check SIMCLK Signal on pin3 of Troubleshooting No Resolder or replace PM400 No Check the Clock No Replace PBA 9-7 SAMSUNG Proprietary-Contents may change without Samsung's authorization Yes Check the SIM Card Yes END Flow Chart of SIM400 in a few second Yes After SIM card insert, SIM400 pin 2 = "H(SIM_RST)"? 9-4. Sim Part Phone can not be used without notice This Document can 't access SIM Card Yes SIM400 pin 1,5 = "H"?
Yes After Power ON, Check SIMCLK Signal on pin3 of Troubleshooting No Resolder or replace PM400 No Check the Clock No Replace PBA 9-7 SAMSUNG Proprietary-Contents may change without Samsung's authorization Yes Check the SIM Card Yes END Flow Chart of SIM400 in a few second Yes After SIM card insert, SIM400 pin 2 = "H(SIM_RST)"? 9-4. Sim Part Phone can not be used without notice This Document can 't access SIM Card Yes SIM400 pin 1,5 = "H"?
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Flow Chart of Troubleshooting 9-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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9-5. Microphone Part Microphone does not work Yes Check the connection from MIC FPCB Yes Check the circuit from UCP200 to MIC FPCB Yes END Flow Chart of Troubleshooting No Replace the MIC FPCB No Resolder the U503, C519, C521, R509, R512 9-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
9-5. Microphone Part Microphone does not work Yes Check the connection from MIC FPCB Yes Check the circuit from UCP200 to MIC FPCB Yes END Flow Chart of Troubleshooting No Replace the MIC FPCB No Resolder the U503, C519, C521, R509, R512 9-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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Flow Chart of Troubleshooting 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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Speaker Part(Melody) Speaker does not work PAM500 pin15,17 ≒ 1.8V? (When PAM500 operate) Yes Is Speaker working? Yes END Flow Chart of Troubleshooting No Resolder PAM500 No Change the Speaker 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-6.
Speaker Part(Melody) Speaker does not work PAM500 pin15,17 ≒ 1.8V? (When PAM500 operate) Yes Is Speaker working? Yes END Flow Chart of Troubleshooting No Resolder PAM500 No Change the Speaker 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-6.
Service Manual
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Flow Chart of Troubleshooting 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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Yes END Flow Chart of the keys is pushed, is OK? Key Data Input Check Initial Operation Yes When one of the keys is pushed, KBIO signal is it displayed on LCD? Yes When one of Troubleshooting No Check the Dome sheet & Key Pad No Replace the Key PBA 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-7.
Yes END Flow Chart of the keys is pushed, is OK? Key Data Input Check Initial Operation Yes When one of the keys is pushed, KBIO signal is it displayed on LCD? Yes When one of Troubleshooting No Check the Dome sheet & Key Pad No Replace the Key PBA 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-7.
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Flow Chart of Troubleshooting 9-8. Yes Check the Slide FPCB Yes END No Set LCD Contrast on high level in the Menu? Back Light (for Color Main LCD) Backlight does not work Yes Is LCD Contrast set on high level No Change the Slide FPCB or LCD 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-8. Yes Check the Slide FPCB Yes END No Set LCD Contrast on high level in the Menu? Back Light (for Color Main LCD) Backlight does not work Yes Is LCD Contrast set on high level No Change the Slide FPCB or LCD 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
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Key Back Light Main Key LED does not work Yes Check the key FPCB connector on PBA Yes IS key FPCB ok? Flow Chart of Troubleshooting No Reconnect the key FPCB Change key FPCB END 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-9.
Key Back Light Main Key LED does not work Yes Check the key FPCB connector on PBA Yes IS key FPCB ok? Flow Chart of Troubleshooting No Reconnect the key FPCB Change key FPCB END 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-9.
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Flow Chart of Troubleshooting 9-10. Yes Replace the camera module END No Reconnect the camera module 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Camera part "Camera" function does not work Yes Check the Camera connector on PBA Yes Is there another problem?
Flow Chart of Troubleshooting 9-10. Yes Replace the camera module END No Reconnect the camera module 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Camera part "Camera" function does not work Yes Check the Camera connector on PBA Yes Is there another problem?
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Radio part Radio does not work Yes R613 ≥ 2.8V Yes R610, R612, C614, C615 ≥ 2.8V Yes L605 ≥ 2V Yes C618, C619, C620, L606 is OK? (When U601 operate) Yes Check UCP200 signal related to U601 Yes END Flow Chart of Troubleshooting No Resolder R613 and Check PMU part No Resolder R610, R612, C614, C615 and check U601 No Check or Replace U601 No Resolder C618, C619, C620, L606 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-11.
Radio part Radio does not work Yes R613 ≥ 2.8V Yes R610, R612, C614, C615 ≥ 2.8V Yes L605 ≥ 2V Yes C618, C619, C620, L606 is OK? (When U601 operate) Yes Check UCP200 signal related to U601 Yes END Flow Chart of Troubleshooting No Resolder R613 and Check PMU part No Resolder R610, R612, C614, C615 and check U601 No Check or Replace U601 No Resolder C618, C619, C620, L606 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 9-11.
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Flow Chart of Troubleshooting 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
Service Manual
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GSM Receiver Flow Chart of Troubleshooting RX ON Cell Power : -60dBm Yes F100 Pin11 ≥ -65dBm Yes F100 3,4 ≥ -68dBm Yes U102 pin 24 ≥ -70dBm pin 25 ≥ -70dBm Yes ... 11,12,16, 29,32,33,36 ≥2.8V pin10≥1.8V No Check & Resolder C122,C126,C128 And PMU Part Yes Resolder U102 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without...
GSM Receiver Flow Chart of Troubleshooting RX ON Cell Power : -60dBm Yes F100 Pin11 ≥ -65dBm Yes F100 3,4 ≥ -68dBm Yes U102 pin 24 ≥ -70dBm pin 25 ≥ -70dBm Yes ... 11,12,16, 29,32,33,36 ≥2.8V pin10≥1.8V No Check & Resolder C122,C126,C128 And PMU Part Yes Resolder U102 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without...