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LGE Internal Use Only
3. TROUBLE SHOOTING
3.14.1 Checking Main camera Block
8M FF camera control signals are generated by MT6737M(U101). And powered by PMU(U401).
3.14 Checking camera Block
Image
Checking Flow
Circuit Diagram
: Next Page
Start
Check main
camera mod
ule
Check
J1001 solderi
ng
change
camera module
Main camera function
ok
Re-solder or change
J1001
Check TP1~
TP3 Voltage
Check MCL
K signal
Check I2C&M
IPI signal
Re-solder or change
U401
Re-solder or change
R1011,U101
Re-solder or change
Z1001~Z1005,R304,R
305,U101
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
TP5
TP4
TP6
TP7
TP8
TP10
TP9
TP1
TP2
TP3
TP11
TP12
TP13
TP14
TP16
TP15
Copyright
ⓒ
2017 LG Electronics. Inc. All right rese
rved. Only training and service purposes
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