Hitachi CP-X325W, Service Manual

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CP-X325W
Picture is not displayed when
the RGB signal is input
Are signal
input at each pin of
E101 on the PWB
ass’y Main?
PWB ass’y Main
PWB ass’y Signal
NO
YES
Check at operating mode
, : (TP1R) : R signal
, : (TP1G) : G signal
, : (TP1B) : B signal
, : (TP1H) : H sync
, : (TP1V) : V sync
LCD Panel
30
27
24
10 21
11 20
Power unit
(circuit)
NO
YES
Are
voltage input
at pins , , , of
E800 on the PWB
ass’y Main?
(TP46): +14V
(TP47): +17V
(TP48): +6V
(TP49): +4.3V
5
5
2
2
7
4
1
3
4
3 4