
VC-A598U/H995U/H996U
-H997U/H9977U/H998U
34
0
5
10
15
20
25
F mechanical timing
Mode
Rotation angle
Mode check
Cam mark
Mode detection outside
(D709 SW B)
Mode detection inside
(D708 SW A)
Cam graph E
60
120
180
240
300
360
CA/END
CS/EJ
33.82
UL
81
VSR
218
PU(LD)
188
PB
252
SLOW
269
293
FF
309
STOP
325
Cam switch
0
Mode detection outside
Mode detection inside
S sensor
S sensor
Mode detection inside
Sensor A
Mode detection outside
Sensor B
CS/EJ
ULD
PU LD
VSR
PB
STILL
FF
STOP
1
1
1
0
0
0
0
0
0
1
1
1
0
1
0
0
open
close
0
1
EJ
UL
FF
PU
0
1
1
0
0
0
0
1
1 or 0
1
1
1
0
10
0
0
0
0
1
1
1
1
1
1
VSR
PB
SLW
STP
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 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.
Содержание VC-A598U
Страница 6: ...VC A598U H995U H996U H997U H9977U H998U 6 1 3 LOCATION OF MAJOR COMPONENTS AND CONTROL ...
Страница 51: ...VC A598U H995U H996U H997U H9977U H998U 51 8 BLOCK DIAGRAM POWER CIRCUIT BLOCK DIAGRAM ...
Страница 52: ...VC A598U H995U H996U H997U H9977U H998U 52 SYSTEM SERVO BLOCK DIAGRAM ...
Страница 53: ...VC A598U H995U H996U H997U H9977U H998U 53 ...
Страница 54: ...VC A598U H995U H996U H997U H9977U H998U 54 SIGNAL FLOW BLOCK DIAGRAM VC A598U ...
Страница 56: ...VC A598U H995U H996U H997U H9977U H998U 56 SIGNAL FLOW BLOCK DIAGRAM VC H995U H996U H997U H9977U H998U ...
Страница 61: ...VC A598U H995U H996U H997U H9977U H998U 61 13 12 11 10 9 8 7 ...
Страница 65: ...VC A598U H995U H996U H997U H9977U H998U 65 13 12 11 10 9 8 7 ...
Страница 67: ...VC A598U H995U H996U H997U H9977U H998U 67 13 12 11 10 9 8 7 ...
Страница 69: ...VC A598U H995U H996U H997U H9977U H998U 69 13 12 11 10 9 8 7 ...
Страница 72: ...VC A598U H995U H996U H997U H9977U H998U 72 7 6 5 4 3 2 1 A B C D E F G H MAIN PWB ...
Страница 73: ...VC A598U H995U H996U H997U H9977U H998U 73 13 12 11 10 9 8 7 ...