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 Reel Sensor.
Is the output of DFG, DPG OK?
Check aligment positions (page 4-
14) Check Pinch spring.
Replace Drum Motor.
Check Servo, Syscon.
Check the Syscon, µ-COM.
No cassette loading.
Insert the cassette.
Check CST Holder Assembly.
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 Syscon Circuit.
Check Syscon Circuit.
Replace CST IN S/W.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
C.
D.
Summary of Contents for ABV341 Series
Page 2: ......
Page 36: ...3 34 3 35 2 TU IF CIRCUIT DIAGRAM PB REC...
Page 39: ...3 40 3 41 5 JACK CIRCUIT DIAGRAM...
Page 41: ...3 44 3 45 7 TIMER CIRCUIT DIAGRAM XBV343...
Page 42: ...3 46 3 47 8 TIMER CIRCUIT DIAGRAM XBV342...
Page 45: ...3 52 3 53 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Page 65: ...02 12 04 R17149A ZENITH DAP202K 3 80 3 81 6 JACK CIRCUIT DIAGRAM...
Page 70: ...LOCATION GUIDE 3 90 3 91 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW...
Page 71: ...LOCATION GUIDE 3 92 3 93 2 MAIN P C BOARD BOTTOM VIEW...
Page 99: ...3 123 3 124 3 AUDIO CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17447A...
Page 100: ...3 125 3 126 4 AV JACK CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17446A...
Page 103: ...3 131 3 132 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Page 134: ...4 22 GEAR F R GEAR AY P2 P3 F R Lever Tension Base Boss CAM...
