49
VC-A415U/H815U
VC-H817U/H818U
Linear audio playback is impossible. (Hi-Fi E-E mode is normal).
Are MH-AA harness and playback AMP. peripheral parts normal?
Is the AC head surface clean?
Is AC head height adjusted properly?
Replace the AC head.
Readjust the A/C head height.
Is audio signal output to the pin(11) of IC201?
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
Is it possible to confirm the audio signal (PB EQ)
on the pin(100) of IC201?
Replace IC201.
Is the pin(99) of IC201 in "L" level?
Check the line between the pin(11) of IC201 to
the pin(62) of IC651.
FLOW CHART NO.27
Check the periphery of pin(99) of IC201. (R617)
Содержание VC-A415U
Страница 48: ...VC A415U H815U VC H817U H818U VC A415U H815U VC H817U H818U 50 51 8 BLOCK DIAGRAM SYSTEM SERVO BLOCK DIAGRAM ...
Страница 51: ...56 VC A415U H815U VC H817U H818U POWER CIRCUIT BLOCK DIAGRAM ...
Страница 61: ...72 VC A415U H815U VC H817U H818U M E M O ...
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Страница 79: ...Ref No Part No Description Code Ref No Part No Description Code 90 VC A415U H815U VC H817U H818U M E M O ...
Страница 80: ...Ref No Part No Description Code Ref No Part No Description Code 91 VC A415U H815U VC H817U H818U M E M O ...