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G800 Service Manual
6.4 Charger part
6.4.1 Charging error
Insert adaptor into I/O jack.
1.
Check to see if U103. 7 pin is 5.2V : CP136
NO
Check to see J101.23 .24 pin and D116 cold solder,broken,short to the other PCB pattern or not :
CP137
If you find out any defect, you replace it
2.Check to see U103.14 pin is low(0V) : CP138
NO
Check to see U103 cold solder,broken,short to the other PCB pattern or not
If you find out any defect, you replace it
3.Check to see Q101 No.4 pin is 4.2V : CP139
NO
Check to see Q101.R115.C169 cold solder,broken,short to the other PCB pattern
or not
If you find out any defect, you replace it
PANTECH
CP137
- 39 -
R&D CONFIDENTIAL
CP138
CP136
`
CP139
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