LGE Internal Use Only
3. TROUBLE SHOOTING
The LCD control signals are generated by MT6737M. Its interface is MIPI having two data lanes and one clock lane.
3.10 Checking LCD Block
Image
Checking Flow
Start
Check J901
Soldering
Check
TP13&TP14
Voltage
Re-solder or change
J901
Re-solder or change
U401
Display function ok
Re-solder or change
Z901~Z903
No
Yes
No
Yes
No
Yes
Check TP1~
TP12 solder
ing
J901
TP3
TP1
TP6
TP10
TP12
TP8
TP2
TP4
TP5
TP7
TP9
TP11
TP13
TP14
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2017 LG Electronics. Inc. All right rese
rved. Only training and service purposes
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