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Power is on
Does Logo appear
on the screen?
Does the
moving picture of the DVD Disc
play on the screen
normally?
Does the
moving picture of the video
CD play on the screen
normally?
If included VCD function.
Does the audio sound
output normally?
END
Check power & clock.
Is MPEG data signal normal?
Is error signal normal?
Is MPEG data signal normal?
Is Clock normal?
Does the audio
signal output from MPEG
decoder?
Check CD/DVD DSP output
signal.
Check MPEG Decoder input
signal.
Check CD/DVD DSP output
signal.
Check MPEG Decoder input
signal.
Check CD/DVD DSP output
signal.
Check MPEG Decoder input
signal.
Check clock signal
Check clock signal
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