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2. SGH-Z510 Flow Chart of Troubleshooting and Circuit Diagrams
2-
1
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2-1.Baseband
2-1-1. Power ON
Power On does not work
Current Consumption
100mA ?
Download Again
Check the Battery Voltage
≥
3.3 ?
Charge the Battery
Check the D501
YES
YES
YES
D501(PS_HOLD)
is High ?
NO
NO
NO
YES
Check the TCX300
Check U500(PMIC)
Pin #32(VREG_MSMC )
≒
1.25V
Pin #36(VREG_MSME )
≒
1.8V
Pin #50,56(VREG_MSMP,A )
≒
2.6V
Pin #84(VREG_TCXO )
≒
2.85V
pin #3 ,5 (ISNS_M,P)
≥
3.3V
Check the U500
The pin 53 of U500
≒
19.2MHZ
Vp-p
≥
500mV?
YES
YES
NO
NO
Check the LCD Module
END
Summary of Contents for SGH-Z510
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