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6. MECHANISM OPERATION FLOW CHART AND TROUBLESHOOTING GUIDE
MECHANISM OPERATION FLOWCHART
* This flowchart describes the outline of the mechanism's operation, but does not give its details.
Cam movement chart
Made checking
Mode detection,
outside
(D709 SW B)
Mode detection,
inside
(D708 SW A)
60
120
180
240
300
360
CAEND
cwes
uLD
Pu LD
VSR
PB
STIL
OFF
STOP
87.5
183.5
217
251 269 281295
320
ae i
ee
ee ee)
detection,
inside
CASSETTE INSERTION — STOP
Turn off START SENSOR LEVER.
Loading motor starts in normal
direction and master cam clockwise.
Cassette
inserting
Cassette is ejected and loading
motor stops.
Start sensor lever turns on.
Loading motor turns in reverse
direction and master cam
counterclockwise.
Does mechanism position sw. come
|NO
off within 2.5 sec. ?
(Cassette is judged caught halfway.)
YES
Are start/end sensors at low level
before cassette insertion?
YES
Drum motor starts.
Tape loading.
Pinch roller comes into contact.
Cam switch is at PB position.
Loading motor stop.
NO
Is drum FG pulse outputted?
YES
NO
(Cassette LED or some other part is
judged defective.)
Full-
loading
Unloading
SC6H-DA
SLGH-SA
WSL6H-D
Sear
(HaE)IN
Od
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