5. Trouble Shooting Guide
Audio Part
SOUND AbnormalOPEN/CLOSE Abnormal
Check if the IC201, 202
PIN 1, 2 waveformNCheck if the FRONTNo
is OK.oCONTROL is OK.
Refer to MPEG circuit.
YesRefer to DSP circuit.Check if the WC700is OK.No
Yes
Refer to .
Yes
Check if the IC201, 202
PIN 35 waveform is OK.No
Check if the XC501
waveformNo
is OK.
YesCheck if the Micom
interface is OK.
Check if theNoCheck IC517.
SPK OUTNo
is OK.Yes
Yes
Refer to Digital Amp PIN 27.
Yes
Check if the ATAPINo
Cable if is normally.
OKRefer to DDX circuit.Refer to Front circuit.
Reconnect it.
Yes
Check CN903 ifNo
is normally.
Reconnect it.
Yes
VIDEO OUT Abnormal
Replace DECK MECHA DVD.
Check if the VIDEO
JACK is OK.No
Refer to VIDEO JACK.
Yes
Check if the IC404 is
OK.No
Check if the IC404 PINNo
2, 3 is OK.
Refer to Front circuit.
Yes
Yes
Check if the IC404
PIN 7 is OK.No
Yes
Check IC507.OKRefer to POWER Supply
circuit.
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