Pioneer SH-D505, Service Manual

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SH-D505
70
Images in a certain input format or from a certain
output terminal are poor.
Errors in NTSC (Video, S-Video)
output only.
Errors in HDTV 480P system
and 480i (Y, P
B
, P
R
) output
only.
Check the NTSC encoder
(IC5802) and FPGA (IC5404). Check the FPGA (IC5404),
DAC (IC5801) .
No HDTV and 480P output
* Also take the following steps.
Check to see if the monitor
cable is properly connected.
Check the video terminals on
the back.
No 480i (Y ,P
B
,P
R
) output
Make sure the audio cable is
properly connected.
Make sure the audio terminals
are not defective.
Unusual audio output (video output available)
No analog audio output. No digital audio output.
YES
YES NO NO
Is digital audio output okay (amplifier of
AC-3 decoder to be connected)?
Is analog audio output okay?
Check the PCM decoder (IC5302)
and Amp (IC5305)
Check the audio
decoder (IC5301).
Check J5301
(photo-output) and
IC5303, IC5304.
Check the audio
decoder (IC5301).
Note: For playing back the digital audio on the
Dolby AC-3, the audio amplifier of the Dolby
AC-3 decoder must be externally connected
and the AC-3 mode must be set.
Check to see if the output mode
is properly set.
Check to see if the monitor
cable is properly connected.
Check the video terminals on
the back.
Check the FL5809.
Check FL5806~5808 and the Amp
(IC5803,IC5804).
TROUBLE SHOOTING TABLE (Continued)