Sharp vc-ga56z Service Manual page 47

Video cassette recorder
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FLOW CHART NO.27
Linear audio playback is impossible. (Hi-Fi E-E mode is normal).
Is it possible to confirm the audio signal (PB EQ)
on pin(100) of IC201?
YES
Is audio signal output to the pin(11) of IC201?
YES
Check the line between pin(11) of IC201and
pin(62) of IC651.
NO
Are MH-AA harness and playback AMP. peripheral parts normal?
YES
Is the AC head surface clean?
YES
NO
Is AC head height adjusted properly?
YES
Replace the AC head.
Readjust the A/C head height.
NO
Is pin(99) of IC201 in "L" level?
NO
Check the periphery of pin(99) of IC201. (R617)
YES
Replace IC201.

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