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Dell E173FP User Manual

Page 31

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DELL E173FP Service Manual

31

4) U102-DATA OUTPUT





































OK

OK

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

OK

Replace GMZan3 –SL (U102) or

replace MAINBOARD.

Check U102 GMZan3-XL

Signal output TX1+, TX1-, TX2+,

TX2-, TX3+, TX3-, Is the

waveform ok?

If Main Board being replaced please

do the DDC – content reprogrammed

and re-do white balance adjustment

NG