Pantech PG-1810, Руководство по обслуживанию

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PG-1810 Service Manual
PANTECH R&D CONFIDENTIAL
43
6.5 Camera Sensor Part
6.5.1 Camera Preview error ( All items are On LCD Module )
1.
Check to see if J1 and J01 connet correct
NO replace the J1 and J01
2. Check to see if U3.6 pin is around 2.8V : CP139
NO Check to see U1 cold solder, broken, short to the other PCB pattern or not.
If you find out any defect, you replace it.
3. Check to see if U3.3 pin and L2 are around 2.8V : CP140
NO Check to see U3, L2 and C24 cold solder, broken, short to the other PCB pattern or not.
If you find out any defect, you replace it.
4. Check to see if U2.1, 3 pin is oscillated (27MHz) : CP141
NO NO Check to see U2, C9, C10 and R5 cold solder, broken, short to the other PCB
pattern or not.
If you find out any defect, you replace it.
CP139
CP141
CP140