6-4
3. U102-Data Output
NG
Measured DCLK (PIN 57 from U102)
DVS, DHS (PIN 54, 55 from U102)
Is the waveform ok? DCLK around 48 MHZ,
DVS=60.09Hz, DHS around 80kHz? (Refer to input
signal=640x480@60Hz, and LED is Green)
OK
Replace ZAN3XL (U102) or
replace Main board.
Check ZAN3/XL (U102)
Signal output (PIN 5-14, 106-113, 17-26)
Is the waveform ok?
OK
If Main Board being replace,
please do the DDC – content
reprogrammed
OK
NG
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