Integra DTR-6.4 Service Manual page 20

A
SCHEMATIC DIAGRAM 4
L
1
R6030
[1.1V]
[1.0V]
270
R6000
5.6K
R6010
3.9K
NF-FL
-B1
+B1 [-0.3V]
FL+
Q6020
FL-
R6040
1K
[-0.4V]
R6050
[-1.1V]
2.7K
Q6040
[-58.0V]
R
2
R6031
[1.1V]
[1.0V]
270
R6001
5.6K
R6011
3.9K
NF-FR
-B1
+B1
FR+
Q6021
FR-
R6041
1K
[-0.4V]
R6051
[-1.1V]
2.7K
Q6041
[-58.0V]
C
3
R6032
[1.1V]
[1.0V]
270
R6002
5.6K
R6012
3.9K
NF-C
-B1
+B1
C+
Q6022
C-
R6042
1K
[-0.4V]
[-1.1V]
R6052
2.7K
Q6042
[-58.0V]
4
PARTS
2SC1740S-R,S
2SC1740S-R,S
SC1740S-R,S OR 2SC2458-GR
SC1775A-E,F OR 2SC1845-E,F
BL,GR OR 2SA992-E,F
-GR OR 2SA933S-R,S
2SC1845-GR
2SC2631-R,S
SL / SR / SB
2SC5171 OR KTD2061-Y
2SA1930 OR KTB1369-Y
5
2SC5200-R,O OR MN150S-O,Y,P
2SA1943-R,O OR MP150S-O,Y,P
B
Power amplifier section
Q6030
[58.0V]
R6160
R6080
2.2
Q6050
(1/4W)
Q6070
R6140
[0.6V] [0.6V]
18K
ID+
R6070
ID- R6100
120
0.22
P6080
(1/4W)
X2(2W)
[-0.6V]
C6040 R6090
Q6060
2.2
47/50 [-0.6V]
R6170
(1/4W)
47K
C6230
473J D6000
R6230
8.2 (1W)
Q6031
[58.0V]
R6161
R6081
Q6051
2.2
(1/4W)
Q6071
R6141
[0.6V]
[0.6V]
18K
R6071
ID+
120
ID- R6101
(1/4W)
0.22
P6081
X2(2W)
R6091
C6041
[-0.6V]
Q6061
2.2
47/50
[-0.6V]
R6171
(1/4W)
47K
C6231
R6181
473J
R6231
D6001
8.2 (1W)
Q6032
[58.0V] R6162
R6082
Q6052
2.2
(1/4W)
Q6072
R6142
[0.6V] [0.6V]
18K
R6072
ID+
120
ID- R6102
(1/4W)
0.22
P6082
X2(2W)
[-0.6V] R6092
C6042 Q6062
2.2
47/50
[-0.6V]
R6172
(1/4W)
47K
C6232
473J D6002
R6232
8.2 (1W)
R6702 C6703
10K 223Z Q6703
R6701
22K
R6704
47K
R6708
33K
Q6701 Q6702
D6703
MTZJ5.1B
MTZJ5.1B
C6704 C6706
D6701
1/50 100/6.3
C6701 R6706
100/6.3 D6702 220K
33K
C6050
103J
R6180
47K
33K
C6051
103J
47K
33K
C6052
103J
R6182
47K
Q6601
R6601
1K
D6704
+13VS
POWER
C
U12
+24V
+24V
TH2
TH1
PTFL04BE471
Q2N34B0
D6307
Q6304
Q6303
D6306
R6309
R6307
R6306
2.2K
10K
R6310
4.7K
R6308
4.7K
R6309:
470<D>
1.2K<P>
C6707
223Z
D6707
MTZJ5.1B
R6707
22K
NF-FL
NF-FR
NF-C
NF-SL
NF-SR
NF-SBL
R6750
R6751 390
390 (1/2W)
(1/2W)
Z2RLD
FRLD
CSRLD
+24V
+13VS
+24V
MPUGND
Q6602
Q6603
RLGND
+12V
HPL
E
R6603
R6602
HPR
1K
1K
Z2PREMUT
Z2MUT
AMUT
VOLH
SEC1H
SPZ2
SPCS
SPF
THRM
PRO
POWER
+13VS
NC
DTR-6.4
D
NAETC-7967/7973
THERMAL PROT.
THERMAL SENS.
R6381 R6380
PTH9M04BF
222TS2F333
70-80
U13
80-90