Power Amplifier Section - Integra DTR-6.4 Service Manual

A
SCHEMATIC DIAGRAM 4
NAAF-7966
SL
1
NF-SL
-B1
+B1
SL+
SL-
SR
2
NF-SR
-B1
+B1
SR+
SR-
SB
3
SPF
Z2PREMUT
Z2MUT
AMUT
SPZ2
MPUGND
+12V
NF-SBL
-B1
+B1
4
15000/71
D6905
C6901
C6902
15000/71
C6708
222J
5
P6906
MPUGND
+13VS
+13VS
MPUGND
POWER
B

Power amplifier section

Q6033
R6033
[1.1V]
[1.0V]
270
[0.6V]
R6003
R6073
5.6K
120
(1/4W)
R6013
Q6013
3.9K
Q6023
[-0.6V]
C6043
R6043
47/50
1K
[-0.4V]
R6053
[-1.1V]
2.7K
Q6043
[-58.0V]
Q6034
R6034
[1.1V]
[1.0V]
270
[0.6V]
R6004
5.6K
R6074
120
(1/4W)
R6014
3.9K
Q6014
Q6024
[-0.6V]
C6044
R6044
47/50
1K
R6054
[-0.4V]
[-1.1V]
2.7K
Q6044
[-58.0V]
Q6035
R6035
[1.1V]
[1.0V]
270
R6005 [0.6V]
5.6K
R6075
120
(1/4W)
R6015
3.9K
Q6015
Q6025
SBL+
C6045
SBL- R6045 [-0.6V]
47/50
1K
[-0.4V]
R6055
[-1.1V]
2.7K
Q6045
[-58.0V]
J011 J011A
J010 J010A
RL6902
D6904
D6906
RL6901
P997A
P995A
F6901
P996A
*
JL6951A
(SCH-5) TO NAETC-7970 (SCH-5)
TO NAETC-7970
[58.0V]
R6163
R6083
33K
Q6053
2.2
(1/4W)
Q6073
R6143
[0.6V]
18K
ID+
ID- R6103
0.22
P6083
X2(2W)
R6153
12K
R6093
C6053
Q6063
2.2
[-0.6V] 103J
R6173
(1/4W)
47K
C6233
473J R6183
R6233 D6003
47K
8.2 (1W)
[58.0V]
R6164
R6084
33K
Q6054
2.2
(1/4W)
Q6074
R6144
[0.6V]
18K
ID+
ID- R6104
0.22
P6084
X2(2W)
R6154
12K
R6094 Q6064
C6054
2.2
[-0.6V]
103J
R6174
(1/4W)
47K
C6234
R6184
473J
R6234
D6004 47K
8.2 (1W)
[58.0V]
R6165
R6085
33K
Q6055
2.2
(1/4W)
Q6075
R6145
[0.6V]
18K
ID+
ID- R6105
0.22
P6085
X2(2W)
R6155
12K
R6095
Q6065 C6055
2.2
[-0.6V]
103J
R6175
(1/4W)
47K
C6235
473J
D6005
R6185
R6235 47K
8.2 (1W)
FUSE
TYPE F6901,6902
D 12A/250V
P T10AL250V
R6902
1K
Q6901
JL6952A
C
SEMICONDUCTORS
NO.
Q6010-6015
Q6020-6025
Q6601-6603,Q6901
Q6701,6702 KTC3200-BL,GR OR 2SC1775A-E
Q6703
Q6303,6304
Q6501
Q6070-75
SEMICONDUCTORS
NO. L / R / C
Q6030-35 2SC5171
Q6040-45 2SA1930
Q6050-55 2SC5200-R,O
Q6060-65
2SA1943-R,O
DTR-6.4
D
L
NF
-B1
+B1
FL+
FL-
R
NF
-B
+B1
FR+
FR-
C
N
-B
+B1
C+
C-
PARTS
2SC1740S-R
2SC1740S-R
KTC3199-GR OR 2SC1740S-R
KTA1268-BL,GR OR 2
KTA1267-GR OR 2SA
2SC1845-G
2SC2631-R
2SC
2SA