Integra DTR-4.6 Service Manual page 19

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SCHEMATIC DIAGRAM 5
POWER AMPLIFIER SECTION
1
1
1
1
2
1
1
VOLH
SEC1H
GNDRL
+22V
R6701
TE
L 13942296513
Q6703
22K
2SA1163-BL
3
PROTECT
GNDDG
HPE
HPR
HPL
P6903B
4
P6904B
1
2
3
4
5
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5
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U062
NAETC-8680
1 3
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Q6380
LM61CIZ
JL703A
NAPS-8679
1
P6903A
1
P6900A
2
1
3
4
5
P6904A
1
U065
C6705 Q6704
223Z
2SA1162-GR
2SC2712
-GR
Q6702 Q6701
2SC2712-GR
D6701
1SS133
R6903
47K
R6902
1K
Q6707 2SC2712-GR
RL6901
1
4
3 2
3 2
4 1
RL6902
F6901
12A-TUL-250V
F6902
12A-TUL-250V
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8
L
1 NFL
2 -BSL
3 +BSL
4 L+
5 L-
R
1 NFR
2 -BSL
3 +BSL
4 R+
5 R-
c
Q Q
3 6 7 1 3
U06
NAAF-8678
1 NFC
2 -BSL
3 +BSL
4 C+
5 C-
+B
1
4
57.2
1
P6900B
-57.2
-B
D6901
D10XB60H
2
1
4
3
1
2
D6903
3
4
D10XB60H
5
6
7
R6180
8
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390
9
(1/2W)
1
.
R6181
2
390
3
(1/2W) 4
5
6
7
C
2 9 9 4 2 8
1.1 R6120
R6030
2.2
1.1
470
(1/4W)
Q6000
2SC1740S_S
-0.5
R6040
Q6010
2K(B)
2SC1740S_S
Q6040
2SA1930
-1.0
R6121
R6031
2.2
470
(1/4W)
Q6001
2SC1740S_S
R6041
Q6011
2K(B)
2SC1740S_S
Q6041
2SA1930
R6122
R6032
2.2
1 5 0 5 8 2 9 9 4
470
(1/4W)
Q6002
2SC1740S_S
R6042
Q6012
2K(B)
2SC1740S_S
Q6042
2SA1930
P6901A
P6911A
P6902A
SPL-
SPR-
SPC-
m
SPSL-
SPSR-
SPSBL-
SPSBR-
GNDRL
co
+22V
SPL+
SPR+
SPC+
SPSL+
SPSR+
SPSBL+
SPSBR+
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D
9 9
Q6030 R6080
0.22
2SC5171
(1/4W)
0.6
P6080
2
ID+
1
ID-
R6090
0.22
-0.6 (1/4W)
R619
R621
D6000
1SS133
Q6031
R6081
2SC5171 0.22
(1/4W)
P6081
2
ID+
1
ID-
R6091
0.22
(1/4W)
R619
R621
D6001
1SS133
Q6032
R6082
2SC5171
0.22
2 8 9 9
(1/4W)
P6082
2
ID+
1
ID-
R6092
0.22
(1/4W)
R619
R621
D6002
1SS133