Sharp vc-ga56z Service Manual page 35

Video cassette recorder
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3. WINDING FAILURE AT VSR
Go to 2. REC/
NO
Is Playback
PLAY FAILURE
function normal ?
routine.
YES
Press REW key.
Master cam
Go to 2. REC/
NO
shifting to VSR
PLAY FAILURE
position ?
routine.
YES
Are idler wheel
NO
Replace idler
ass'y and supply
gear ass'y.
reel disk in mesh ?
YES
Is supply reel disk
NO
Replace limiter
winding torque
pulley ass'y.
normal ?
YES
Replace reel
Is pulse outputted
NO
sensor.
from reel sensor?
YES
Check main PWB.
4. UNUSUAL SOUND IN EACH MODE
4-i) Unusual sound in cassette
insertion and ejection mode
YES
Is unusal sound heard during
cassette control running ?
NO
YES
Unusual sound heard with pinch
roller lever going up or down ?
NO
Is unusual sound heard during
loading/unloading ?
YES
Replace loading motor block.
Replace cassette control ass'y.
Check pinch roller drive cam, pinch roller
drive lever and reverse guide for their actions.
Replace damaged one with new one.

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