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reserved. Only training and service purposes
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3. TROUBLE SHOOTING
3.12.1 Touch Parts on the main board
3.12 Touch
TP1
TP2
TP3
CN7101
Touch trouble shooting is able to replace display one. If those functions does not work properly, refer to below contents.
Checking Flow
Image
Circuit Diagram
No
Yes
START
Phone booting
Does boot-up work normally?
Refer to power trouble shooting Guide
Yes
END
LCD Display OK?
Replace LCD Module
No
Check power supply from PCB
TP1: -5.1V, TP2: +5.1V, TP3: 1.8V
No
Yes
Replace Main PCB
Assemble LCD FPCB
connector well
Yes
Check the LCD FPCB
Connector connection(CN7101)
No
CN7101
TP1
TP2
TP3
LCD Display OK?
No
Yes
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Summary of Contents for LG-M700TV
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