Zenith XBV613 - DVD/VCR Combination Service Manual page 102

MECHANISM TROUBLESHOOTING GUIDE
C.
AUTO STOP.
(PLAY/CUE/REV)
In Play/Cue/Rev is the pinch
roller in contact with the cap-
stan shaft.
YES
Are there T/up and supply reel
pulses.
YES
Check the Syscon, µ-COM.
D.
No cassette loading.
Insert the cassette.
YES
Does the lever Assembly S/W
work normally.
YES
Is there variation for CST IN
S/W Output?
(In Tape with REC Tab
"L"c ""H"" "L")
(In Tape without REC Tab
"L"" "H"" "L"" "H")
YES
Check Syscon Circuit.
Check aligment positions (page
4-14) Check Pinch spring.
Is the output of DFG, DPG OK?
NO
YES
NO
Check Servo, Syscon.
Replace Reel Sensor.
NO
Check CST Holder Assembly.
NO
Does the CST IN S/W work
normally?
YES
NO
Check Syscon Circuit.
NO
Replace Drum Motor.
NO
Replace CST IN S/W.
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