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TROUBLESHOOTING HINTS
4. One color is missing
One color is missing.
YES
Is OSD color
normal?
YES
Is input signal
normal?
YES
Are the R, G,
B digital (8 bit) output
of the U17
(TDA8752)?
YES
Trouble in the
soldering.
Check the output signal
NO
of the MX88281
and 74act573.
NO
Check video signal cable
or video card.
NO
Replace the main B'D.
18
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