LG LG-H815 - Front Camera

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reserved. Only training and service purposes
LGE Internal Use Only
3. TROUBLE SHOOTING
3.17 Front Camera
Circuit Diagram
Image Checking Flow
When Front Camera is does not working check CN7300 and TP Voltage.
No
START
Main Cam Connector
(CN7300) Connected?
Camera is OK?
END
Voltage Check
TP: 2.8V, TP2: 1.8V
TP3: 1.2V
Replace Camera Module
No
Yes
MCLK Check
TP4: 24㎒
Yes
No
Yes
Camera is OK?
Replace Main PCB
No
Yes
Camera
(CN7400) Connected?
TP1: 2.8V TP3: 1.2V TP2: 1.8V
TP4: 24㎒
CN7400
TP1: 2.8V TP3: 1.2V
TP2: 1.8V
TP4: 24㎒
50