Dell E173FP service manual U102-DATA Output

DELL E173FP Service Manual

4) U102-DATA OUTPUT

Measured U102 DVS, DHS Is the waveform ok?

DCLK around 48 MHZ, DVS=60.09Hz, DHS around 31 KHz? (Refer to input signal=640x480@60 Hz 31k, and LED is Green)

NG, no transition

Replace GMZan3 –SL (U102) or replace MAINBOARD.

OK

Check U102 GMZan3-XL

Signal output TX1+, TX1-, TX2+, TX2-, TX3+, TX3-, Is the waveform ok?

NG

If Main Board being replaced please do the DDC – content reprogrammed and re-do white balance adjustment

OK

OK

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