30
VC-AA350A/L/M/W
VC-AA352W,AA360A,AA370A
VC-AA550A/L/W,AA560A,AA570A
Loading motor turns in reverse
direction and master cam
clockwise.
CASSETTE INSERTION STOP
Cassette
inserting
Full-
loading
YES
YES
YES
NO
NO
Loading motor starts in forward
direction and master cam counter
clockwise.
Does mechanism position sw.
come off within 2.5 sec.?
Are start/end sensors at low level
before cassette insertion ?
Insert cassette.
Drum motor starts.
Tape loading.
Pinch roller comes into contact.
Mode switch is at PB position.
Loading motor stop.
NO
Unloading
Is drum FG pulse outputted ?
End
End
Cassette is ejected and loading
motor stops.
Start sensor close.
(Cassette is judged
caught halfway.)
(Cassette LED or some other part
is judged defective.)
6. MECHANISM OPERA
TION FLOWCHART
AND TROUBLESHOOTING GUIDE
MECHANISM OPERATION FLOWCHART
* This flowchart describes the outline of the mechanism’s operation, but does not give its details.
1
0
1
1
1
1
1
1
1
1
1
0
1
0
1
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
1
0
0
0
1
0
1
0
0
0
1
0
S Sensor
Open
Close
1
1
1
0
0
0
0
0
0
0
1
1
1
1
0
1
1
0
CS/EJ
ULD
PU1
PU2
VSR
PB
SLOW
FF
STOP
Code 1
Code 2
S Sensor
EJ
UL
PU
PU2
VSR
PB
SLW
FF
STP
0
1
1
0
1
1
0
0
0
0
0
1
0
0
1 or 0
Code 1
(Mode SW/outside)
Code 2
(Mode SW/inside)
Mecha Mode
60
0
120
180
240
300
360
Mecha Mode
Mode check
Cam mark
Code 1
(Mode SW/outside)
Code 2
(Mode SW/inside)
CS/EJ
UL
PU1
PU2
VSR
PB
STILL
SLOW
REW
FF
ST
OP
H Mechanical Timing