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Dell E176FPc
44
U401-data Output
NG
OK
Replace GM2621 (U401) or
replace Main board.
Check GM2621 (U401)
Signal output (PIN 7 -16, PIN 31 - 40)
Is the waveform ok?
Replace panel
If Main Board being replaced, please
do the DDC – content reprogrammed,
and do the white balance adjustment