5. Trouble Shooting Guide
-. Audio Part
DHC-XD500 Series
DVD Recout AbnormalH/P output Abnormal
Check if the IC208
is OK.NoCheck if the IC202 PIN37No
is OK.
Refer to MPEG PCB.
Refer to DSP PCB.Refer to DDX IC202.
YesYes
Check if theCheck if the
IC210 PIN 1, 7NoIC203 PIN 12, 15No
waveform are OK.waveform are OK.
Refer to Filter circuit
IC209, IC210.Refer to DAC IC203.
YesYes
Check if theCheck if the
IC401 PIN 12, 19NoIC205 PIN 1, 7No
waveform are OK.waveform are OK.
Refer to Function circuit
IC401.Refer to H/P Amp IC205.
YesYes
Check if the
IC406 PIN 1, 7 waveformNoCheck if theNo
are OK.H/P Jack is OK.
Refer to Filter circuit IC406.Replace H/P Jack.
YesYes
Check if theRefer to H/P Control circuit.
J401No
waveform is OK.
Replace Jack.
Yes
OK
Subwoofer output
Abnormal
Check if the IC101 PINNo
37
is OK.
Refer to DDX IC201.
Yes
Check if the
IC204 PIN 12No
waveform is OK.
Refer to DAC IC204.
Yes
Check if the
IC206 PIN 1No
waveform is OK.
Refer to OP Amp IC206.
Yes
Check if the
SW Jack is OK.No
Replace SW Jack.
Yes
OK
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