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MECHANISM TROUBLESHOOTING GUIDE
4-26
Cassette cannot be inserted.
Does the Lever Assembly
Switch work?
Is the Lever Assembly Switch
Spring damaged or omitted?
Does the CST IN Switch work
normally?
Replace or add the Lever
Assembly Switch Spring.
Is the Vcc of Main P.C.Board
5V?
YES
YES
Check the syscon circuit.
YES
Check the power circuit.
NO
Is the voltage between cassette
switch and GND on Main
P.C.Board 5V??
YES
Is there a short circuit between cassette
switch and GND on main P.C.Board?
Remove the short circuit part or
Replace the main P.C.Board.
NO
Check the Mode switch location
and syscon circuit.
Replace the CST IN Switch.
YES
NO
YES
NO
NO
Replace the CST IN Switch.
NO
NO
Cassette does not eject.
Does the L/D Motor rotate in reverse?
Check the L/D Motor or Drive IC.
Replace the Lever Assembly Switch.
Does the Lever Assembly Switch work?
YES
NO
NO
Does the Arm Assembly F/L work normally?
YES
NO
Does the Opener Door work?
YES
Replace the Arm Assembly F/L.
Replace the Opener Door.
2. Front Loading Mechanism
A.
B.