Toshiba 4560 Service Manual page 233

1
SCN0
[SCN0] 3C4
A
SCN1
[SCN1] 3C4
SCN2
[SCN2]
3C4
B
SCN3
[SCN3] 3C4
SCN4
[SCN4] 3C4
C
SCN5
[SCN5]
3C4
SCN6
[SCN6] 3C4
D
SCN7
[SCN7] 3C4
E
F
1
4560/4570 CIRCUIT DIAGRAMS
HINT
How to search for where a signal in a
circuit diagram has jumped to.
2 3
S28 S21
[SWAA] [SWAA]
1 3
1 3
1
2 4 2 4
B3F-1000 B3F-1000
S22 S14
[SWAA] [SWAA]
1 3 1 3
5
2 4 2 4
B3F-1000 B3F-1000
S15 S31
[SWAA] [SWAA]
1 3 1 3
9
2 4 2 4
B3F-1000 B3F-1000
S26 S27
[SWAA] [SWAA]
1 3
1 3
F/C
2 4 2 4
B3F-1000 B3F-1000
S18 S19
[SWAA] [SWAA]
1 3 1 3
200%
2 4 2 4
B3F-1000 B3F-1000
S4 S3
[SWAA] [SWAA]
1 3 1 3
P/0
2
4 2 4
B3F-1000 B3F-1000
S11 S12
[SWAA] [SWAA]
1 3 1 3
O/USER
2 4 2 4
B3F-1000 B3F-1000
S10 S9
[SWAA] [SWAA]
1 3 1 3
O/0
2 4 2 4
B3F-1000 B3F-1000
2 3
4 5
S13 S29
[SWAA] [SWAA]
1 3
1 3
2 3
4
2 4
2 4
B3F-1000 B3F-1000
S30 S23
[SWAA] [SWAA]
1 3
1 3
7
6
2 4 8
2 4
B3F-1000 B3F-1000
S17 S16
[SWAA] [SWAA]
1 3 1 3
P
0 C/S
2 4
2 4
B3F-4000 B3F-1000
S25 S24
[SWAA] [SWAA]
1 3
1 3
P
HELP 2 4 C/S
2 4
B3F-4000 B3F-1000
S20
[SWAA]
1 3
50%
100%
2 4
B3F-1000
S2 S1
[SWAA] [SWAA]
1 3 1 3
P/3
P/2
P/1
2 4 2 4
B3F-1000 B3F-1000
S6 S5
[SWAA] [SWAA]
1 3
1 3
APS P/USER
AMS
2 4 2 4
B3F-1000 B3F-1000
S8 S7
[SWAA] [SWAA]
1 3 1 3
O/2 O/3
O/1
2 4 2 4
B3F-1000 B3F-1000
4 5
6 7
RETK12
3D4 [RETK12]
RETK13
3D4 [RETK13]
RETK14
3C4 [RETK14]
RETK15
3C4 [RETK15]
14.ELECTRIC CIRCUIT DIAGRAM
14.3 Control Key 1 Circuit (PWA-KEY 1)
6 7
14 - 20
8
A
B
C
D
E
F
2/3
8
Nov. 1997 © TOSHIBA