Integra DTR-7.6 Service Manual page 37

A B
SCHEMATIC DIAGRAM 5
POWER AMPLIFIER SECTION
1
U062
NAETC-8680
1 3
G V
Q6380
LM61CIZ
JL703A
2
VOLH
SEC1H
GNDRL
+22V
C6705 Q6704
223Z 2SA1162-GR
R6701 2SC2712
Q6703 -GR
22K
Q6702 Q6701
2SA1163-BL
3
2SC2712-GR
D6701
1SS133
PROTECT
GNDDG
HPE
HPR
HPL
R6903
47K
R6902
1K
4
Q6707 2SC2712-GR
1 GND
2
RL6901
3 S1H+ 1
4 4
5 S1H-
6 3 2
7 S1L+
8
9 S1L- 3 2
10
4 1
RL6902
F6901
12A-TUL-250V
12A-TUL-250V
F6902
5
C
L 1.1 R6120
R6030
1.1 2.2
470
(1/4W)
Q6000
2SC1740S_S
1 NFL
2 -BSL
3 +BSL
4 L+
-0.5
5 L-
R6040
Q6010
2K(B)
2SC1740S_S
Q6040
2SA1930
-1.0
R R6121
R6031
2.2
470
(1/4W)
Q6001
2SC1740S_S
1 NFR
2 -BSL
3 +BSL
4 R+
5 R-
R6041
Q6011
2K(B)
2SC1740S_S
Q6041
2SA1930
c R6122
R6032
2.2
470
U06
(1/4W)
Q6002
2SC1740S_S
NAAF-8678
1 NFC
2 -BSL
3 +BSL
4 C+
5 C-
R6042
Q6012
2K(B)
2SC1740S_S
Q6042
2SA1930
P6901A
+B
1
P6911A
4
57.2
-57.2
-B
D6901
D10XB60H
2
1
4
P6902A
3
1 SPL-
2 SPR-
D6903 3 SPC-
4 SPSL-
D10XB60H
5 SPSR-
6 SPSBL-
7 SPSBR-
R6180
8 GNDRL
390
9 +22V
(1/2W)
1 SPL+
R6181
2 SPR+
390
3 SPC+
(1/2W) 4 SPSL+
5 SPSR+
6 SPSBL+
7 SPSBR+
D E
Q6030 R6080 Q6050
2SC5171 0.22
MN150S
R6160
(1/4W)
0.6
R6140
33K
22K
Q6070
P6080
2SC2229-Y
R6100
2
R6240
ID+
1
0.22*2
ID- 220K
(5W)
R6090
0.22
D6010
Q6060
-0.6 (1/4W)
1SS133
MP150S
R6190 47K
R6210 47K
D6000
1SS133
57.2
Q6071
Q6031 Q6051
R6081 2SC2229-Y
2SC5171 MN150S
0.22
R6161
(1/4W)
R6141 33K
22K
Q6071
P6081
2 R6101
R6241
ID+
1 0.22*2
ID- 220K
(5W)
R6091
0.22 D6011
Q6061
(1/4W)
1SS133
MP150S
R6191 47K
R6211 47K
D6001
1SS133
-57.2
Q6072
Q6032 Q6052
R6082 2SC2229-Y
2SC5171 MN150S
0.22
R6162
(1/4W)
R6142
33K
22K
Q6072
P6082
R6102
2
R6242
ID+
1
0.22*2
ID- 220K
(5W)
R6092
0.22 D6012
Q6062
(1/4W)
1SS133
MP150S
R6192 47K
R6212 47K
D6002
1SS133
U064
F G
SL R6123
Q6033 Q6053
R6083
R6033
2.2 2SC5171 0.22 MN150S
470
(1/4W) (1/4W)
R6143
Q6003 22K
2SC1740S_S
P6083
1 NFSL
2 -BSL
2 R6103
3 +BSL ID+
1 0.22*2
4 SL+ ID-
5 SL- (5W)
R6093
0.22
R6043
Q6013 Q6063
(1/4W)
2K(B)
2SC1740S_S MP150S
Q6043
R6193 47K
2SA1930
R6213 47K
D6003
1SS133
SR R6124
Q6034 Q6054
R6084
R6034
2SC5171 MN150S
2.2 0.22
470
(1/4W) (1/4W)
R6144
Q6004 22K
2SC1740S_S
P6084
1 NFSR
2 -BSL
R6104
2
3 +BSL ID+
1
0.22*2
4 SR+ ID-
5 SR- (5W)
R6094
R6044 0.22
Q6014 Q6064
(1/4W)
2K(B)
2SC1740S_S MP150S
Q6044
R6194 47K
2SA1930
R6214 47K
D6004
1SS133
SBL R6125
Q6035 Q6055
R6085
R6035
2SC5171 MN150S
2.2 0.22
470
(1/4W) (1/4W)
R6145
Q6005 22K
2SC1740S_S
P6085
1 NFSBL
2 -BSL
R6105
2
3 +BSL ID+
1
0.22*2
4 SBL+ ID-
5 SBL- (5W)
R6095
R6045 0.22
Q6015 Q6065
(1/4W)
2K(B)
2SC1740S_S MP150S
Q6045
R6195 47K
2SA1930
R6215 47K
D6005
1SS133
R6036
Q6006 Q6036
470
2SC1740S_S 2SC5171
R6086
R6126
0.22
2.2
(1/4W) 2SC2631R
(1/4W)
R6146
Q6056 22K
2SC5359_O
R6156
12K
P6086
1 NFSBR
2 -BSBR
R6106
2
3 +BSBR ID+
0.22*2
1
ID-
4 SBR+
R6246 220K
(5W)
5 SBR-
R6096
R6046 D6016
0.22
Q6016 1SS133
1K(B)
(1/4W)
2SC1740S_S
Q6066
R6136 2SA1987_O
8.2 (1W)
Q6046
C6036
2SA1930
473J
NAAF-8682
100V
DTR-7.6
H
R6163
33K
Q6073
2SC2229-Y
R6243
220K
D6013
1SS133
R6164
33K
Q6074
2SC2229-Y
R6244
220K
D6014
1SS133
Q6075
2SC2229-Y
R6165
33K
Q6075
R6245
220K
D6015
1SS133
1 1
2 2
3 3
R6166
4 4
33K
5 5
Q6076
R6196 R6216
47K
47K
D6006
1SS133