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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4.9 Main LCD trouble
Main LCD control signals are generated by MSM6245. Those signal’s path are :
MSM6245
→
70-pin connector(CN4002 in Main PCB)
→
50-pin connector (CN101 in Sub PCB)
→
35-pin connector (in LCD Module)
START
Is the circuit powered on ?
Reconnect FPCB
LCD Working ?
Reconnect LCD Module
LCD Working ?
END
NO
YES
YES
Change the
Main board
NO
Press END Key
To turn on the Power ON
Change U 102 IC
Work well ?
YES
Follow the Power ON
Trouble shooting
NO
YES
NO
Check VREG _LCD_GP
2. 8V?
YES
NO
Z3X-BOX.COM
Содержание KF310
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