Troubleshooting.pdf

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9. Flow Chart of Troubleshooting

9-1. Power On

' Power On ' does not work

Yes

Check the Battery Voltage

is more than 3.3V

No

Change the Battery

Yes

Check the Clock at

OSC300(C305,C307) =

32.768KHz

No

Resolder OSC300

Yes

C311 (V CORE_1.2V ) = 1.24 V?

C310(VMEM_1.8V) =1.8V

No

Check the U300

Yes

C322(VBB_D_2.9V)=2.9V?

C334(1.2_VDD)=1.2V?

C319(VCXOPWR_2.8V)=2.8V?

C610(V_BATT) >3.3V?

No

Check the U300 and BTC600

Yes

No

Check for the clock at

OSC100(U716) =26MHz

Check the OSC100 and U102

Yes

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

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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

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Flow Chart of Troubleshooting

9-2. Initial

Initial Failure

Yes

U300 pin E3(BB_RESET,TP305) =

0V?

No

Check the circuit connected to reset

Yes

Check the circuit around LCD & HDC500

(Short or not solder)

Yes

END

9-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

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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

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Flow Chart of Troubleshooting

9-3. Charging Part

Abnormal charging part

Yes

No

L600=5V?

Resolder IFC600 or L600

Yes

No

C605=5V?

Replace U602

Yes

Check the Battery & TA

Yes

END

9-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

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