Zenith XBV243 series Service Manual - Electrical
VR168 - 923-03485
3-19
D35E COMBO - ELECTRICAL
ELECTRICAL
END
Check power & clock.
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
OK
OK
OK
OK
NO
NO
NO
NO
NO
2. MPEG Circuit
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?
Does the audio sound
output normally?
Is MPEG data
signal normal?
Check power & clock.
Is error signal normal?
Is Clock normal?
Does the audio
sound 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 clock signal
Check clock signal
Check MPEG Decoder
input signal.
Is MPEG data
signal normal?
TROUBLESHOOTING (CONTINUED)