Toshiba SD-4800 Service Manual page 134

1 2
5. CIRCUIT DIAGRAMS
5-1. Power Supply Circuit Diagram
A
POWER
EU02
B
167
(164)
[164]
C
D
E
F
G
OFF
ON
PLAY
OFF
ON
PLAY
3 4
2
1
11.3
(14.6)
[14.7]
Q802 Q821 Q822
1 2 3 4 6 8 K R A E C
11.3 1.5 0.5 2.8 1.5 0 3.9 2.5 0 0 -7.2
14.6 1.0 1.7 2.0 1.5 0 4.1 2.5 0 -30.3 -30.4
14.7 1.0 1.7 2.0 1.5 0 4.1 2.5 0 -30.3 -30.4
Q826 Q827 Q828
E C B 1 2 3 4 1 2 3
-39.5 0 -39.0 5.9 5.0 0 0 5.1 3.3 0
-34.0 -34.0 -33.0 5.8 5.0 0 5.0 4.8 3.3 0 2.5
-34.0 -34.0 -33.0 5.8 5.0 0 5.0 4.8 3.3 0 2.5
5 6
5.9
(5.8)
[5.8]
5.1
(4.8)
[4.8]
10.0
(10.0)
[9.9]
-8.9
(-9.0)
[-9.0]
-39.5
(-41.0)
[-41.5]
7.2
(5.3)
[5.4]
Q823 Q824 Q825
B E C B E C B E C B
0 9.2 0 9.2 0 9.2 0 0 -39.0 0
-31.0 9.4 9.3 8.7 0 0.1 0.7 0.7 -13.3 0
-31.0 9.1 9.0 8.4 0 0.1 0.7 0.7 -13.3 0
Q830
4 E C B
0 0 1.0 0
0 0.01 5.0
0 0.01 5.0
7 8 9
: OFF ( ) : ON [ ] : PLAY
5.2
(5.1)
[5.1]
0
(2.9)
[2.9]
0
(8.7)
[8.3]
10
Fig. 3-5-1