Power Amplifier Section - Onkyo TX-SR500/E Service Manual

A
SCHEMATIC DIAGRAM 4-2

POWER AMPLIFIER SECTION 2

T O N A D G - 7 4 0 1
1
( S C H . 2 - 2 )
P 4 0 6 A
2
E
E
E
E
E
E
E
E
E
3
4
5
B
N A A F - 7 4 0 9
P 3 0 6 A
L
R 5 0 9 0
8 2 K
Q 5 0 0 0
C 5 0 1 0
R 5 0 0 0
1 0 0 / 1 6
1 K
R 5 0 1 0 R 5 0 2 0
C 5 0 0 0 5 6 K 3 3 0
1 0 1 K - 4 4 . 3 V
R 5 1 0 0 C 5 0 2 0
D 5 0 0 0 1 0 0 K 1 0 / 5 0
M T Z J 5 . 6 B
R
R 5 0 9 1
8 2 K
Q 5 0 0 1
C 5 0 1 1
R 5 0 0 1
1 0 0 / 1 6
1 K
R 5 0 1 1 R 5 0 2 1
C 5 0 0 1 5 6 K 3 3 0
1 0 1 K - 4 4 . 3 V
R 5 1 0 1 C 5 0 2 1
D 5 0 0 1 1 0 0 K 1 0 / 5 0
M T Z J 5 . 6 B
C
R 5 0 9 2
8 2 K
Q 5 0 0 2
C 5 0 1 2
R 5 0 0 2
1 0 0 / 1 6
1 K
R 5 0 1 2 R 5 0 2 2
C 5 0 0 2 5 6 K 3 3 0
1 0 1 K - 4 4 . 3 V
R 5 1 0 2 C 5 0 2 2
D 5 0 0 2 1 0 0 K 1 0 / 5 0
M T Z J 5 . 6 B
S E M I C O N D U C T O R S
N O .
Q 5 0 0 0 - 0 4 , 5 0 1 0 - 1 4
Q 5 0 3 0 - 3 4
Q 5 0 4 0 - 4 4
Q 5 0 5 0 - 5 4
C
U9
R 5 1 1 0
4 9 V
1 K
Q 5 0 1 0
C 5 1 0 0
1 0 / 6 3
0 V
R 5 0 4 0
R 5 0 5 0 2 . 2 K
4 . 7 K
C 5 0 4 0
2 2 0 / 1 6
R 5 1 3 0
Q 5 0 5 0
1 8 K
C 5 0 9 0
R 5 0 6 0 - 4 5 . 4 V - 4 9 V
1 . 2 K
C 5 1 1 0
R 5 0 7 0 R 5 0 8 0
1 0 / 6 3
5 6 0 3 . 3 K
R 5 1 1 1
4 9 V
1 K
Q 5 0 1 1
C 5 1 0 1
1 0 / 6 3
0 V
R 5 0 4 1
R 5 0 5 1 2 . 2 K
4 . 7 K
C 5 0 4 1
2 2 0 / 1 6
R 5 1 3 1
Q 5 0 5 1
1 8 K
C 5 0 9 1
R 5 0 6 1 - 4 5 . 4 V - 4 9 V
1 . 2 K
C 5 1 1 1
R 5 0 7 1 R 5 0 8 1
1 0 / 6 3
5 6 0 3 . 3 K
R 5 1 1 2
4 9 V
1 K
Q 5 0 1 2
C 5 1 0 2
1 0 / 6 3
0 V
R 5 0 4 2
R 5 0 5 2 2 . 2 K
4 . 7 K
C 5 0 4 2
2 2 0 / 1 6
R 5 1 3 2
Q 5 0 5 2
1 8 K
C 5 0 9 2
R 5 0 6 2 - 4 5 . 4 V - 4 9 V
1 . 2 K
C 5 1 1 2
R 5 0 7 2 R 5 0 8 2
1 0 / 6 3
5 6 0 3 . 3 K
DESCRIPTION
K T C 3 2 0 0 - B L O R 2 S C 1 7 7 5 A - E , F O R 2 S C 1 8 4 5 - E
K T A 1 0 2 4 - Y , O O R 2 S A 9 4 9 - Y , O
K T C 3 2 0 6 - Y , O O R 2 S C 2 2 2 9 - Y , O
K T C 3 1 9 9 - G R , 2 S C 1 7 4 0 S - R , S , 2 S C 2 4 5 8 - G R
14
R 5 1 6 0
4 9 . 9 V
1 2 0 ( 1 / 4 W )
R 5 1 8 0
4 9 . 6 V
1 0
( 1 / 4 W )
Q 5 0 3 0
1 . 1 V
C 5 0 5 0
4 7 / 5 0 N F
C 5 0 8 0
0 4 0 D - B 1
+ B 1
B +
R 5 0 3 0
5 6 K B -
- 1 V
R 5 1 9 0
1 0 1 J
1 0
Q 5 0 4 0 ( 1 / 4 W )
- 4 9 . 9 V
R 5 1 7 0 - 4 9 . 6 V
1 2 0 ( 1 / 4 W )
R 5 1 6 1
4 9 . 9 V
1 2 0 ( 1 / 4 W )
R 5 1 8 1
4 9 . 6 V
1 0
( 1 / 4 W )
Q 5 0 3 1
1 . 1 V
C 5 0 5 1
4 7 / 5 0 N F
C 5 0 8 1
0 4 0 D - B 1
+ B 1
B +
R 5 0 3 1
5 6 K B -
- 1 V
R 5 1 9 1
1 0 1 J
1 0
Q 5 0 4 1 ( 1 / 4 W )
- 4 9 . 9 V
R 5 1 7 1 - 4 9 . 6 V
1 2 0 ( 1 / 4 W )
R 5 1 6 2
4 9 . 9 V
1 2 0 ( 1 / 4 W )
R 5 1 8 2
4 9 . 6 V
1 0
( 1 / 4 W )
Q 5 0 3 2
1 . 1 V
C 5 0 5 2
4 7 / 5 0 N F
C 5 0 8 2
0 4 0 D - B 1
+ B 1
B +
R 5 0 3 2
5 6 K B -
- 1 V
R 5 1 9 2
1 0 1 J
1 0
Q 5 0 4 2 ( 1 / 4 W )
- 4 9 . 9 V
R 5 1 7 2 - 4 9 . 6 V
1 2 0 ( 1 / 4 W )
TX-SR500/E
D