Sanyo HVR-DX610 Service Manual page 23

TROUBLE SHOOTING
Are there Audio signal at IC251
pin#2~11?
YES
Is there recording signal at
IC251 pin#21?
YES
Signal at IC251 pin#21 is transferred to
IC301 pin#13,15,17?
YES
REC (H) BASE voltage at Q206
YES
Collect signal at C222 is about
70Vp-p at 70KHz?
YES
Check P201 pin#2, 4, 8 and A/C
NO
NO
NO
NO
is 5V?
NO
HEAD.
Check Input SCART JACK.
Check Input Front JACK.
Check ICD02(DVD)
Check IC251.
Check signal flow circuit.
Check IC501 pin#45.
Check Q203.
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