
VC-A598U/H995U/H996U
-H997U/H9977U/H998U
50
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)
Summary of Contents for VC-A598U
Page 6: ...VC A598U H995U H996U H997U H9977U H998U 6 1 3 LOCATION OF MAJOR COMPONENTS AND CONTROL ...
Page 51: ...VC A598U H995U H996U H997U H9977U H998U 51 8 BLOCK DIAGRAM POWER CIRCUIT BLOCK DIAGRAM ...
Page 52: ...VC A598U H995U H996U H997U H9977U H998U 52 SYSTEM SERVO BLOCK DIAGRAM ...
Page 53: ...VC A598U H995U H996U H997U H9977U H998U 53 ...
Page 54: ...VC A598U H995U H996U H997U H9977U H998U 54 SIGNAL FLOW BLOCK DIAGRAM VC A598U ...
Page 61: ...VC A598U H995U H996U H997U H9977U H998U 61 13 12 11 10 9 8 7 ...
Page 65: ...VC A598U H995U H996U H997U H9977U H998U 65 13 12 11 10 9 8 7 ...
Page 67: ...VC A598U H995U H996U H997U H9977U H998U 67 13 12 11 10 9 8 7 ...
Page 69: ...VC A598U H995U H996U H997U H9977U H998U 69 13 12 11 10 9 8 7 ...
Page 72: ...VC A598U H995U H996U H997U H9977U H998U 72 7 6 5 4 3 2 1 A B C D E F G H MAIN PWB ...
Page 73: ...VC A598U H995U H996U H997U H9977U H998U 73 13 12 11 10 9 8 7 ...