Power Amp.section - Integra DTR-8.2 Service Manual

A
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAM 5-1

Power amp.section

N A A F - 7 2 5 1
1
- B 1
+ B 1
E
E
2
TE
L 13942296513
3
4
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5
.
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S L
R 5 0 7 3
1 0 0 K
C 5 1 2 3
4 7 / 1 0 0
Q 5 0 0 3
C 5 0 0 3
R 5 0 0 3
4 7 / 5 0
1 K
R 5 0 2 3
C 5 0 1 3
R 5 0 1 3
3 3 0
2 2 1 K R 5 0 3 3
5 6 K
1 2 0
E
C 5 1 3 3
4 7 / 1 0 0
5 0 . 6 V
C 5 0 5 3 R 5 2 9 3
1 0 / 5 0 1 0 0 K D 5 0 0 3
M T Z J 5 . 6 B
S R
R 5 0 7 4
1 0 0 K
C 5 1 2 4
4 7 / 1 0 0
Q 5 0 0 4
C 5 0 0 4
R 5 0 0 4
4 7 / 5 0
1 K
R 5 0 2 4
C 5 0 1 4 R 5 0 1 4
3 3 0
R 5 0 3 4
2 2 1 K
1 2 0
5 6 K
C 5 1 3 4
4 7 / 1 0 0
5 0 . 6 V
C 5 0 5 4 R 5 2 9 4
1 0 / 5 0 1 0 0 K D 5 0 0 4
M T Z J 5 . 6 B
S B L
R 5 0 7 5
1 0 0 K
C 5 1 2 5
4 7 / 1 0 0
Q 5 0 0 5
C 5 0 0 5
R 5 0 0 5
4 7 / 5 0
1 K
R 5 0 2 5
C 5 0 1 5 R 5 0 1 5
3 3 0
R 5 0 3 5
2 2 1 K
5 6 K
1 2 0
C 5 1 3 5
4 7 / 1 0 0
5 0 . 6 V
( 4 9 . 6 V )
C 5 0 5 5 R 5 2 9 5
1 0 / 5 0 1 0 0 K D 5 0 0 5
M T Z J 5 . 6 B
S B R
R 5 0 7 6
1 0 0 K
C 5 1 2 6
4 7 / 1 0 0
Q 5 0 0 6
C 5 0 0 6
R 5 0 0 6
4 7 / 5 0
1 K R 5 0 2 6
3 3 0
R 5 0 1 6
R 5 0 3 6
5 6 K
C 5 0 1 6
2 2 1 K
x ao
C 5 1 3 6
y
4 7 / 1 0 0
5 0 . 6 V
R 5 2 9 6
i
C 5 0 5 6
1 0 / 5 0 1 0 0 K D 5 0 0 6
M T Z J 5 . 6 B
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B
8
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R 5 1 4 3 R 5 1 3 3 R 5 1 8 3
R 5 1 1 3 R 5 1 2 3 8 2 0 8 2 0 3 3
2 . 2 K 2 . 2 K ( 1 / 2 W ) ( 1 / 2 W ) ( 1 / 2 W )
5 4 . 8 V
5 4 . 8 V
5 4 . 2 V
Q 5 0 4 3
5 4 . 2 V Q 5 0 3 3
C 5 0 7 3
1 0 / 1 0 0
- 3 8 . 6 V
Q 5 0 1 3
- 3 8 . 9 V
R 5 0 9 3
1 . 8 K R 5 1 5 3
R 5 2 8 3 1 0 K
R 5 0 4 3 1 0 K ( 1 / 2 W )
( 1 / 2 W )
1 2 0
C 5 0 4 3
- 0 . 9 V
1 0 0 / 1 6 C 5 0 8 3
2 2 / 6 3
R 5 0 5 3
5 . 6 K
Q 5 0 2 3
- 5 4 . 8 V
- 5 1 . 2 V
R 5 1 7 3
R 5 1 6 3
8 2 0
R 5 0 6 3 1 K
( 1 / 2 W )
2 . 7 K ( 1 / 2 W )
R 5 1 4 4 R 5 1 3 4 R 5 1 8 4
R 5 1 1 4 R 5 1 2 4 8 2 0 8 2 0 3 3
2 . 2 K 2 . 2 K ( 1 / 2 W ) ( 1 / 2 W ) ( 1 / 2 W )
5 4 . 8 V
5 4 . 2 V
5 4 . 8 V
Q 5 0 4 4
5 4 . 2 V Q 5 0 3 4
C 5 0 7 4
1 0 / 1 0 0
Q 5 0 1 4 - 3 8 . 6 V
- 3 8 . 9 V
R 5 0 9 4
1 . 8 K R 5 1 5 4
R 5 2 8 4 1 0 K
1 0 K ( 1 / 2 W )
R 5 0 4 4
( 1 / 2 W )
1 2 0
C 5 0 4 4
- 0 . 9 V
1 0 0 / 1 6 C 5 0 8 4
2 2 / 6 3
Q Q
R 5 0 5 4
3 6 7 1 3
5 . 6 K
- 5 4 . 8 V
Q 5 0 2 4
- 5 1 . 2 V R 5 1 7 4
R 5 1 6 4
8 2 0
R 5 0 6 4 1 K
( 1 / 2 W )
2 . 7 K ( 1 / 2 W )
R 5 1 4 5 R 5 1 3 5 R 5 1 8 5
R 5 1 1 5 R 5 1 2 5 8 2 0 8 2 0 3 3
2 . 2 K 2 . 2 K ( 1 / 2 W ) ( 1 / 2 W ) ( 1 / 2 W )
5 4 . 2 V 5 4 . 8 V
5 4 . 8 V
Q 5 0 4 5
5 4 . 2 V Q 5 0 3 5
C 5 0 7 5
1 0 / 1 0 0
- 3 8 . 6 V
Q 5 0 1 5
- 3 8 . 9 V
R 5 0 9 5
1 . 8 K R 5 1 5 5
R 5 2 8 5 1 0 K
1 0 K ( 1 / 2 W )
R 5 0 4 5
( 1 / 2 W )
1 2 0
C 5 0 4 5
- 0 . 9 V
1 0 0 / 1 6 C 5 0 8 5
2 2 / 6 3
R 5 0 5 5
5 . 6 K - 5 4 . 8 V
Q 5 0 2 5
( - 5 3 . 8 V )
- 5 1 . 2 V
( - 5 0 . 2 V ) R 5 1 7 5
R 5 1 6 5
8 2 0
R 5 0 6 5 1 K
( 1 / 2 W )
2 . 7 K ( 1 / 2 W )
R 5 1 4 6 R 5 1 3 6 R 5 1 8 6
R 5 1 1 6 R 5 1 2 6 8 2 0 8 2 0 3 3
2 . 2 K 2 . 2 K ( 1 / 2 W ) ( 1 / 2 W ) ( 1 / 2 W )
5 4 . 8 V
5 4 . 2 V
5 4 . 8 V
Q 5 0 4 6
5 4 . 2 V Q 5 0 3 6
C 5 0 7 6
1 0 / 1 0 0
Q 5 0 1 6
- 3 8 . 6 V
- 3 8 . 9 V
R 5 0 9 6
1 . 8 K R 5 1 5 6
R 5 2 8 6 1 0 K
1 0 K ( 1 / 2 W )
R 5 0 4 6
( 1 / 2 W )
1 2 0 1 2 0
C 5 0 4 6
- 0 . 9 V
1 0 0 / 1 6 C 5 0 8 6
2 2 / 6 3
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R 5 0 5 6
5 . 6 K
- 5 4 . 8 V
Q 5 0 2 6
- 5 1 . 2 V R 5 1 7 6
.
R 5 1 6 6
8 2 0
R 5 0 6 6 1 K
( 1 / 2 W )
2 . 7 K ( 1 / 2 W )
C
2 9 9 4 2 8
R 5 3 0 3
5 6 . 2 V
R 5 2 3 3
1 0 0( 1 / 2 W )
1 5
5 5 . 4 V
( 1 / 2 W )
Q 5 0 5 3
1 . 2 V
C 5 1 1 3
R 5 2 1 3
0 5 0 D
1 8 K
N F
N F
B +
R 5 2 5 3
B -
C 5 1 0 3 5 6 K
C 5 0 9 3
4 7 / 5 0 1 0 1 K
R 5 2 2 3
1 8 K
- 1 . 2 V
Q 5 0 8 3
- 5 5 . 4 V
R 5 2 4 3
1 5
R 5 3 3 3
- 5 6 . 2 V
( 1 / 2 W )
1 0 0( 1 / 2 W )
R 5 3 0 4
5 6 . 2 V
R 5 2 3 4
1 0 0( 1 / 2 W )
1 5
5 5 . 4 V
( 1 / 2 W )
Q 5 0 5 4
1 . 2 V
C 5 1 1 4
R 5 2 1 4
0 5 0 D
1 8 K
N F
N F
B +
R 5 2 5 4
C 5 1 0 4 5 6 K B -
C 5 0 9 4
4 7 / 5 0 1 0 1 K
R 5 2 2 4
1 8 K
- 1 . 2 V
Q 5 0 8 4 1 5 0 5 8 2 9 9 4
- 5 5 . 4 V
R 5 2 4 4
1 5
R 5 3 3 4
- 5 6 . 2 V
( 1 / 2 W )
1 0 0( 1 / 2 W )
R 5 3 0 5
5 6 . 2 V
R 5 2 3 5
1 0 0 ( 1 / 2 W )
1 5
5 5 . 4 V
( 1 / 2 W )
Q 5 0 5 5
1 . 2 V
C 5 1 1 5
R 5 2 1 5
0 5 0 D
1 8 K
N F
N F
B +
R 5 2 5 5
5 6 K
C 5 0 9 5 C 5 1 0 5 B -
4 7 / 5 0 1 0 1 K
R 5 2 2 5
1 8 K
- 1 . 2 V
Q 5 0 8 5
- 5 5 . 4 V
( - 5 4 . 4 V )
R 5 2 4 5
- 5 6 . 2 V
1 5
R 5 3 3 5
( - 5 5 . 2 V )
( 1 / 2 W )
1 0 0( 1 / 2 W )
R 5 3 0 6
5 6 . 2 V
R 5 2 3 6
1 0 0 ( 1 / 2 W )
1 5
5 5 . 4 V
( 1 / 2 W )
Q 5 0 5 6
1 . 2 V
C 5 1 1 6
R 5 2 1 6
0 5 0 D
1 8 K
N F
N F
B +
R 5 2 5 6
5 6 K
C 5 0 9 6 C 5 1 0 6 B -
m
4 7 / 5 0 1 0 1 K
R 5 2 2 6
1 8 K
- 1 . 2 V
co
Q 5 0 8 6
- 5 5 . 4 V
R 5 2 4 6
1 5
R 5 3 3 6
- 5 6 . 2 V
( 1 / 2 W )
1 0 0 ( 1 / 2 W )
DTR-8.2
D
9 9
2 8 9 9