Service manual
32
VC-A565U/H965U
1
0
1
1
1
10
1
1
1
1
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
Mode detection inside
sensor A
1
1
1
0
0
0
0
0
0
Mode detection outside
sensor B
0
1
1
1
1
0
1
1
0
CS/EJ
ULD
PU1
PU2
VSR
PB
SLOW
FF
STOP
Cam graph E
25
20
15
10
5
0
60 120 180 240 300 380
G mechanical timing
Mode check
Cam mark
Mode detection outside
(D709 SW B)
Mode detection inside
(D708 SW A)
0 19.812 81 179 233200 265 282 316 334
10.354 12.812
CA/END
CS/EJ
UL
PU1
PU2
VSR
PB SLOW
FF
STOP
Mode detection outside
Mode detection inside
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
Loading motor turns in reverse
direction and master cam
counterclockwise.
CASSETTE INSERTION STOP
Cassette
inserting
Full-
loading
YES
YES
YES
NO
NO
NO
Unloading
Loading motor starts in normal
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.
Double action rack slides.
Drum motor starts.
Tape loading.
Pinch roller comes into contact.
Cam switch is at PB position.
Loading motor stop.
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 OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE
MECHANISM OPERATION FLOWCHART
* This flowchart describes the outline of the mechanism’s operation, but does not give its details.