Toshiba 4560 Service Manual page 230

1
A
LCDEN
[LCDEN] 2A8
B LCDVR
[LCDVR] 1A2
E1
TH+ 1 DUMMY
[TH+] 5B6
TH-
[TH-] 5B6
C
D
BZON
[BZON] 1E4
E
[N07]
R61
5 6 1
DSON0
[DSON0] 1E4
IC15
1/10W560
[N07]
R58
3 4 1
DSON1
[DSON1] 1E4
IC15
1/10W560
F
1
Nov. 1997 © TOSHIBA
HINT
How to search for where a signal in a
circuit diagram has jumped to.
2 3
VDD
[HB5311S]
IC17
9 2
VIN VOUT
1
CO
3
VREF
8
ON/OFF
4
1 1
[GND}
C3
C4
7
47/50
100/16
[GND}
2 2
R67
1 2
1/10W10K
IC14
4
10
R56
+
8 1 2
VCC
9
VEE
-
1/10W47K
11
[AO75902S]
R68
1/10W10K
VDD
GND
2
IC14
4
3
+
1
VCC
2
VEE
-
11
1
[AO75902S]
C12
2
0.1/50
R69
1/10W68K
VDD
1
BZ1
2
MEB-12C-5
[VLON]
5VD
R60
1 2
1/10W4.7K
E
2 B
Q3
2SA1428Y
C
R59
1 2
1/10W4.7K DSPON0
E
2 B
Q2
2SA1428Y
DSPON1
C
2 3
4 5
1
C38
VDD
0.1/50 2
R65
1 2
R62
1/10W10K
1/10W100K
IC14
4
12
+ 14
VCC
13
VEE
-
11
[AO75902S]
R66
1/10W68K
GND
R64
1 2
1/10W100K
[AO75902S]
1
1/10W120K
GND
R46
1
1/10W4.7K
[N07]
R47
13 12 1 2 B
VLON
1E3
IC6
1/10W680
R48
1 2
1/10W680
C21
0.1/25
5B6 5E2 [DSPON0]
5B6 5E2 [ DSPON1]
4 5
6 7
VEE
5D8 [VEE]
1 1
C6 C39 0.1/25
47/16
2 2
IC14
4
5
+
7
VOP
VCC 5D8 [VOP]
6
VEE
-
11
R63
2
5VD
2
E
Q1
2SA1428Y
[AZM10A]
C
IC1
1 3
CCFL+
VIN VHIGH1 5E4
4 CCFL-
VHIGH2 5F4
2 5
1 1
GND VLOW
C1
47/16
2 2
SGD
14.ELECTRIC CIRCUIT DIAGRAM
14.2 Control Panel Circuit (PWA-PNL)
6 7
14 - 17
8
A
5VD
B
SGD
C
D
[CCFL+]
[CCFL-]
E
F
4/5
8
4560/4570 CIRCUIT DIAGRAMS