Product specifications

CONFIDENTIAL

4 Troubleshooting

4-2 MO17P*/MO17E*

4-2-1 No Video [Analog]

Check signal cable and connection.

Check PC Signal.

Does the analog video signal appear at

R201, R202, R203? (RED, GREEN, BLUE)

Yes

Check R225, R224

and related circuit.

Check PC Signal.

Does the sync signal

appear at R225 and R224?

(A_H*V_SYNC, A_V_SYNC)

Check IC301 and related circuit.

Yes

Does the video signal

appear at the output port?

10 11

Does the video signal appear

at the Pin 48, 47, 46, 45, 42, 41, 40, 39, 38, and 37 of

IC401?

Yes

Is Pin 2(BKLT_EN) of IC203 High?

Check TFT-LCD panel and Inverter.

Yes

Replace IC301.

Yes

9 8 7 6

Check IC301 and related circuit.

Does the input signal appear at Pin 116, 117, 115 and 119 of

IC301 (DHS,DVS,DEN,DCLK)?

4 3 2