Zenith XBV613 Service Manual - Page 104
Front Loading Mechanism
UPC - 719192169715
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MECHANISM TROUBLESHOOTING GUIDE 2. Front Loading Mechanism A. Cassette cannot be inserted. Does the Lever Assembly Switch work? NO YES Is the Vcc of Main P.C.Board 5V? YES NO Is the voltage between cassette switch and GND on Main P.C.Board 5V?? YES NO Is the Lever Assembly Switch Spring damaged or omitted? YES Does the CST IN Switch work normally? YES NO NO Check syscon circuit. Check power circuit. Replace or add the Lever Assembly Switch Spring. Replace CST IN Switch. Check Mode switch location and syscon circuit. B. Is there a short circuit between cassette switch and GND on main P.C.Board? YES NO Remove the short circuit part or Replace the main P.C.Board. Replace CST IN Switch. Cassette will not eject. Does the L/D motor rotate in reverse? YES Does the Lever Assembly Switch work? YES Does the F/L Arm Assembly work normally? YES Does the Door Opener work? NO NO NO NO Check L/D Motor or Drive IC. Replace lever Assembly Switch. Replace F/L Arm Assembly . Replace the Door Opener. 4-26