LG KU250 Service Manual - Page 92
Start, TP1,TP2, Signals exits?, Is clock ok? 19.2M, Change the Main board, Change the M100, Change
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Page 92 highlights
4. TROUBLE SHOOTING Start TP1,TP2 Signals exits? YES TP3 Is clock ok? 19.2M NO Change the Main board NO Change the X100 YES TP4 Signals exits? NO Change the M100 YES Change the Main board - 93 -
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4. TROUBLE SHOOTING
- 93 -
Start
TP1,TP2
Signals exits?
TP3
Is clock ok? 19.2M
TP4
Signals exits?
Change the Main board
Change the M100
NO
YES
YES
YES
NO
Change the X100
NO
Change the Main board