Toshiba 23HLV87 B Service Manual page 72

A B
8
R 2 9
0 1 K
7
R
5
R 0 9
Q 7 0
B E F O R E
0 9 3 1
7 4 K
R 1 9
5 6 . K
6
R 6 9 R 5 9 5 1 K
5 6 . V
2 2 . K
R 7 9
1 2 . K
5
R 7 3
1 K
4
C 8 0
. 2 n 2 F
3
3 0 9 V
P F C V - c c
D 2 0
8 1 V C 5 0
1 4 0
G N D
2
1
A B
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C
PWM SCHEMATIC DIAGRAM
G P F C
R 4 9 6 0 8
3 9
Q 8 0
0 9 3 1
6 . K
+
C 1 7
C 8
1 4 0
4 0 5 V 5 1
R 7 7 A 4 0 7
R 5 9 A
B E F O R E
0 1 K
R 7 7 B 4 0 7
D 3 0 S 1 1 S
Q 9 0
0 9 3 1
R 8 2
Q 0 1
0 7 2 0
1 R 5
R 5 2 R 9 2 R 6 2
0 1 K 7 2 K 4 0 7
R 4 2
0 1 K
R 7 2
0 1 K
R 2 3 B
1 R 0
N C P 2 1 3 0
1 8
A j d H V
D 8
2 7 1 N 0 4 7 0
F B N C
3 C I 2 0 6
C S V c c
4 5
G d n D v r
R T 1
R 6 3 B R 8 2 A D 3 0 B
4 3 . K 5 1 K
Q 1 0 A S 1 1 S 4 8 D 3 0 A
R 2 3 8 1 V
C 7 0
5 6 . K
Q 1 0 C
4 1 7
0 9 3 1
R 8 3
0
Q 1 0 B
R 2 3 A C 6 0 A D T A 1 4 2 K A
R 8 2 B
4 1 7 7 2 K
1 5 0
+
C 1 1 A
5 3 V 2 2 F u
C
D E
(POWER PCB)
R 1 6 1
R 2 6
!
D T V 0 2 P 5 T 2
1
2 1
R 2
C 9 D 0 1
5 7 K
. 4 n 7 F
u 0 F
1 1
D 6
H E R 3 7 0
1 8
Q 2
2
S T 9 P N K 7 P 0
C 1 1
1
R 4 3 R 3 3
1 0 0 F p
3 3
R 1 2 R 2 2
1 0 0 1 0 0
0 1
Q 1 0
5 8 0 5 D 1 1
3
R 3 2
9
4 7 . R 6 3 R 9 3
7 4
7 4
R 5 3
6 0 8
R 3 A
4
R 3 1 R 5
. 0 7 2
R 9 5 2
D 7 1 N 0 4 7 0 8
R 1 5 1
D 2 1
D 4 0
5
7
R 4 4 B
6 R 5 4
C 0 1 1 5 . K
C 6 0 2 7 . K
!
1 4 0 5 3 V 2 2 u 0 F
C I 2
R 0 3 R 5 2
C 0 B
1 0 0 K 4 0 7
1 4 0
!
C I 3
Q 2 0
R 4 4 A
5 6 . K
R 3 3
2 7 . K
!
C I 1
C 2 1 Y X 1 Y 1 1 - 2 0 4 - 0 0 V A C
C 3 1 Y X 1 Y 1 1 - 2 0 4 - 0 0 V A C
D E
F
0 0
1 0 0 C 6 1 3 1 3
D 9 0 S 1 1 S 4 8
Q 3
S R F 6 1 5 0 G C T
C 4 1 R 3 6 R 4 6
+
8 1 K 8 1 K
R 1 7 2 2 K
5 3 V 1 0 0 u 0
R 4 7
5 1 K
C 8 3 R 6 4 R 7 4 R 7 4 A
7 2 K 1 0 5 K
N C
1 4 0
R 3 7
5 6 . K
0 0
R 9 4
C 1 3 4 2 7
4 3 . K
L 4 1 R 8
S R F 0 1 A 0 6
C 8 1 R 6 7
+
1 5 . K
6 1 V 2 0 2 u 0
R 2 5
3 0 3
0 2
C 2 5 2 2 2
D 8 0 1 S 1 S 4 8
R 7 7 Q 4 0
M B R 2 F 1 0 0 0 T +
1 5 . K
C 7 1
5 2 V 2 0 2 u 0 F
R 8 7 2 2 K
R 4 4 6 0 8
R 8 4
0 1 K R 4 5
D 5 0 + C 2 2 + C 3 2 C 1 6
5 1 K
5 3 V 2 u 2 F
5 3 V 2 u 2 F 1 4 0
C 6 3
1 4 0 R 1 4 C 9 5
R 3 5 1 0 0 K
7 5 6 . K 1 5 0
O U T P U T 2
R 1 5 1 1 5
D 6 0 1 S 1 S 1 8
C I 3 0 A P 3 4 0 1
3
1 N I P U T 2 +
C 6 5
C 5 3
O U T P U T 1
1 3 0
4 1 7
R 3 4 D 0 A
6 0 8 7 2 V C 5 5 2 4 2
F
G H
8
G P F C
7
4 2 V
1 5 . K
R 2 7
R 0 4
C 8 1 +
1 0 5 K C 4 5
1 0 0 F u
1 4 0
G N D
Q 5
Q 5 0
H S B 6 9 4 A
0 9 3 1
R 2 4
R 4 7
2 2 K
2 7 . K
R 9 6
6
C 5 0 2 2 K
1 4 0
C I 4 0
4 1 3
R 6
R 0 7
C 4 4
2 4 . K 2 0 0
1 4 0
5 6 . V
C 9 1
+
C 4 5 A
1 4 0
6 1 V 7 4 u 0 F
5
G N D
D 4 1
N I 1 4 8 4
S T B
B E F O R E
2 1 V
L 5 4 R 7
4
+
C 0 2
R 9 7 1 5 . K
5 2 V 0 1 u 0 F
G N D
R 1 8
R 5 5 R 6 5 5 1 K
. 9 1 3 K 2 0 7 K
Q 6 0
0 9 3 1
3
R 0 8 C 1 5
5 6 . K
1 4 0
R 7 5 R 8 5
2 4 . K N C
2
1
G H
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