MECHANISM TROUBLESHOOTING GUIDE
91
Cassette cannot be inserted.
Does the Lever Switch work?
Is the Lever Switch Spring
damaged or omitted?
Does the F/L switch work
normally?
Replace or add the
Lever Switch Spring.
Is the Vcc of Main P.C.Board
5V?
YES
YES
Check syscon circuit.
YES
Check 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 Mode switch location and
syscon circuit.
Replace F/L Switch.
YES
NO
YES
NO
NO
Replace F/L Switch.
NO
NO
Cassette will not eject.
Does the L/D motor rotate in reverse?
Check L/D Motor or Drive IC.
Replace lever Switch.
Does the Lever Switch work?
YES
NO
NO
Does the Arm Assembly F/L work normally?
YES
NO
Does the Opener Door work?
YES
Replace Arm Assembly F/L.
Replace the Opener Door.
2. Front Loading Mechanism
A.
B.