LGE Internal Use Only
3. TROUBLE SHOOTING
The Touch control signals are generated by MT6737M and MT6328. It is assembled with LCD.
3.11 Checking Touch Block
Image
Checking Flow
TP1
J901
Start
Check J502
Soldering
Check
TP1
Voltage
Re-solder or change
J502
Touch function ok
Re-solder or change
U401
No
Yes
No
Yes
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2017 LG Electronics. Inc. All right rese
rved. Only training and service purposes
TP1
Circuit Diagram
56