Dell E173FP - 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
re
p
lace 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