4-24
MECHANISM TROUBLESHOOTING GUIDE
AUTO STOP.
(PLAY/CUE/REV)
Are there T/up and Supply Reel
pulses.
In Play/Cue/Rev, Is the Pinch
Roller in contact with the
Capstan Shaft?
Replace the Reel Sensor.
Is the output of DFG, DPG OK?
Check alignment positions
(page 4-13).
Replace the Drum Motor.
Check the Servo, Syscon.
Check the Syscon, µ-COM.
Cassette doesn’t load.
Insert the cassette.
Check Lever Assembly S/W.
Is there variation for CST IN S/W
Output?
(In Tape with REC Tab
“L”→“H”→“L”)
(In Tape without REC Tab
“L”→“H”→“L”→“H”)
Does the CST IN S/W work
normally?
Does the Lever Assembly S/W
work normally?
Check the Syscon Circuit.
Check the Syscon Circuit.
Replace the CST IN S/W.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
C.
D.
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