LG 22MT45A - Page 17

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6. Abnormal screen (RGB PC)-Main PCBA
Put into RGB
cable completely?
Abnormal screen (RGB PC)
YES
NO
NO
insult RGB cable tight
1
Change IC501
WAVEFORMS
Is Input signal timing
and format in spec?
Change Timing according to
product spec, Or change format to RGB
2
Is waveform at R501
R502, R504
3
Check Line between JK201 and IC501
is open or short, Another is
Change RGB cable
NO
YES
YES
3
R502(G)
R604(R)
R601(B)