37
VC-A422U
VC-H822U
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-A422U
Страница 50: ...VC A422U VC H822U VC A422U VC H822U 50 51 8 BLOCK DIAGRAM SYSTEM SERVO BLOCK DIAGRAM USMODEL SYSBLO eps ...
Страница 51: ...VC A422U VC H822U VC A422U VC H822U 52 53 SIGNAL FLOW BLOCK DIAGRAM VC A422U ...
Страница 52: ...VC A422U VC H822U VC A422U VC H822U 54 55 SIGNAL FLOW BLOCK DIAGRAM VC H822U ...
Страница 53: ...56 VC A422U VC H822U POWER CIRCUIT BLOCK DIAGRAM ...
Страница 61: ...69 VC A422U VC H822U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 PWB FOIL PATTERN OPERATION PWB LCD PWB ...
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