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37
VC-A412U/A413U
VC-H812U/H813U
Replace loading motor block.
3. WINDING FAILURE AT VSR
4. UNUSUAL SOUND IN EACH MODE
Is Playback
function normal ?
Master cam
shifting to VSR
position ?
Go to 2. REC/
PLAY FAILURE
routine.
Replace idler
gear ass’y.
Replace limiter
pulley ass’y.
Replace reel
sensor.
Go to 2. REC/
PLAY FAILURE
routine.
Are idler wheel
ass’y and supply
reel disk in mesh ?
Is supply reel disk
winding torque
normal ?
Is pulse outputted
from reel sensor?
Check main PWB.
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
YES
YES
NO
NO
YES
Press REW key.
4-i) Unusual sound in cassette
insertion and ejection mode
Is unusal sound heard during
cassette control running ?
Unusual sound heard with pinch
roller lever going up or down ?
Is unusual sound heard during
loading/unloading ?
Check pinch roller drive cam, pinch roller
drive lever and reverse guide for their actions.
Replace damaged one with new one.
Replace cassette control ass’y.
Содержание VC-A412U
Страница 6: ...6 VC A412U A413U VC H812U H813U 1 3 LOCATION OF MAJOR COMPONENTS AND CONTROL ...
Страница 50: ...VC A412U A413U VC H812U H813U VC A412U A413U VC H812U H813U 50 51 8 BLOCK DIAGRAM SYSTEM SERVO BLOCK DIAGRAM ...
Страница 53: ...56 VC A412U A413U VC H812U H813U POWER CIRCUIT BLOCK DIAGRAM ...
Страница 63: ...72 VC A412U A413U VC H812U H813U M E M O ...