Service manual

25
VC-A565U/H965U
SUPPLEMENT
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 OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE
MECHANISM OPERATION FLOWCHART
* This flowchart describes the outline of the mechanism’s operation, but does not give its details.
S Sensor
Open
Close
0
1
1
1
1
0
1
1
0
1
1
1
0
0
0
0
0
0
CS/EJ
ULD
PU1
PU2
VSR
PB
SLOW
FF
STOP
Code 1
Code 2
S Sensor
Code 2
Code 1
Mecha Mode
Mecha Mode
H Mechanical Timing
Mode check
Cam mark
Code 1
Code 2
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
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
60
120 180 240 300 360
CS/EJ

UL

PU1

PU2

VSR

PB

STILL
SLOW

REW
FF

STOP
