Chart Of Troubleshooting - Samsung GT-i8910 Service Manual
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Also See for GT-i8910:
- Quick start manual (47 pages) ,
- User manual (78 pages) ,
- User manual (112 pages)
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9. Flow Chart of TroubleShooting
9-1. Logic Section
9-1-1 : No Power
Press PWR KEY
U405 pin4
output high?
U408 pin2
output high?
TR403 pin3
output low?
TR402 pin1 VBAT
output > 3.5V?
YES
YES
YES
YES
END
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Check pin1 and pin2
NO
if One of them is low,
replace board
NO
Replace U408
NO
Replace TR403
NO
Replace TR402
9-1
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