TROUBLESHOOTINGTROUBLESHOOTING
B. No NORMAL AUDIO playback in record/playback mode(Check in REC mode)C. No Hi-Fi Playback audio(PLAY MODE)
No Normal Audio playback in
record/playback mode
Is 12V obtained at IC251 pin#34?
NO
Check POWER circuit.
YES
NOCheck Input SCART JACK.
Are there Audio signal at IC251
Check Input Front JACK.
pin#2~11?
Check ICD02(DVD)
Is 5V obtained at IC251 pin#40?
YES
Is there recording signal atNO
NOCheck A.SW at IC501
Check IC251.
IC251 pin#21?Is Audio signal at IC251 pin#41?
pin#19.
YES
YES
Signal at IC251 pin#21 is transferred to NO
Check signal flow circuit.Is Audio signal output at IC251NOAre CLK and DATA obtained atYES
IC301 pin#13,15,17?
pin#16,17?IC251 pin#42,43?Replace IC251.
YES
YES
REC (H) BASE voltage at Q206
NO
Check IC501 pin#45.Is Audio signal output at IC602 pinNO
is 5V?
Check IC602.
#3, 13?
YES
YES
Collect signal at C222 is aboutNO
Check Q203.
70Vp-p at 70KHz?
Check Output JACK.
YES
Check P201 pin#2, 4, 8 and A/C
HEAD.
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