LG PX8700 Service Manual page 105

Tri band cdma pcs/cellular/gps mobile phone
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Checking Flow
START
Check the Camera M_Clock
at X101
(24.5454MHz)
Yes
Check the clock from Camera
at F405 : CAM_PCLK
Yes
Check the voltage of
the following LDOs :
+2.8V_CAMA
+2.6V_CAMIO
+1.5V_CAMD
Yes
Check the
Control signal
CAM_DATA[0:7], CAM_RESET/,
CAM_SDA, CAM_SCL,
CAM_HSYNC, CAM_VSYNC
Yes
Check CON404 soldering
Yes
Camera will
work properly
No
No
Replace the Camera module
No
Replace Sub B'd U101,
U105, Main b'd U302
; Check F402, F404, F405, F406, F409
No
Re-solder CON404
Replace X101

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