Naetc - Onkyo TX-SR55 Service Manual

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A
B
SCHEMATIC DIAGRAM 4
Power amplifier section
NAAF-8397
SL
1
U16
NF
-B1
+B1
B+
B-
SR
2
NF
-B1
+B1
B+
B-
3
J011
J011A
4
J010
J010A
D6905
P6011A
C6901
(BUS BAR)
12000/63
C6902
12000/63
C6903
104J
C6708
P955
222J
D6706
5
P6906
D6705
+10VSS
+10VS
MPUGND
D6705,6706,6901,6902
RL1N40003
MPUGND
GP104003E
POWER
C
R6063 2.2
[53.0V]
Q6033
(1/4W)
R6163
R6083
33K
Q6053
R6033
2.2
[1.1V]
1K
(1/4W)
[1.0V]
Q6073
R6143
[0.6V]
R6003
[0.6V]
R6203
22K
5.6K
P6083
R6073
120
100
R6103
ID+
R6013
(1/4W)
0.22 X2
3.9K
ID-
D6003
Q6013
(5W)
R6153
[-0.3V]
12K
R6183
Q6023
C6043
47K
[-0.6V]
47/50
Q6063
R6043
C6053
[-0.6V]
1K
103J
C6233
[-0.4V]
R6243
R6093
R6053
220K
[-1.1V]
2.2
3.9K
473J
(1/4W)
R6233
Q6043
8.2 (1W)
[-53.0V]
R6064 2.2
[53.0V]
Q6034
(1/4W)
R6164
R6084
33K
R6034
2.2
Q6054
[1.1V]
1K
(1/4W)
[1.0V]
Q6074
R6144
R6004
[0.6V]
[0.6V]
R6204
22K
5.6K
P6084
R6074
120
100
R6104
ID+
R6014
(1/4W)
0.22 X2
3.9K
ID-
D6004
Q6014
(5W)
[-0.3V]
R6154
12K
R6184
C6044
Q6024
47K
[-0.6V]
47/50
Q6064
R6044
C6054
[-0.6V]
1K
103J
R6234
[-0.4V]
R6244
R6094
8.2 (1W)
R6054
220K
[-1.1V]
2.2
3.9K
C6234
(1/4W)
473J
Q6044
[-53.0V]
SEMICONDUCTORS
NO.
PARTS
Q6010-6016
2SC1740S-R,S
Q6020-6026
2SC1740S-R,S
Q6601-6604,Q6901
KTC3199-GR OR 2SC1740S-R,S OR 2SC2458-GR
Q6701,6702
KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F
Q6703
KTA1268-BL,GR OR 2SA992-E,F
Q6303,6304
KTA1267-GR OR 2SA933S-R,S
Q6501
2SC1845-GR
Q6070-6076
KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F
SEMICONDUCTORS
NO.
CH-L(0) / R(1) / C(2)
SL(3) / SR(4) / SBL(5) / SBR(6)
Q6030-36
2SC5171
2SC5171 OR KTD2061-Y
Q6040-46
2SA1930
2SA1930 OR KTB1369-Y
Q6050-56
2SC5242-R,O
2SC5242-R,O OR MN130S-O,Y,P
Q6060-66
2SA1962-R,O
2SA1962-R,O OR MP130S-O,Y,P
RL6902
D6904
D6906
RL6901
R6901
R6902
10
1K
(1/2W)
12A 250V
Q6901
F6901
P995CC
JL6952A
TO NAETC-8398 (SCH. 5)
TO NAETC-8398 (SCH. 5)
P995AA
P995BB
D
E
R6060 2.2
L
R6030
[1.1V]
1K
[1.0V]
R6000
5.6K
R6010
3.9K
Q6010
NF
-B1
[-0.3V]
+B1
R6173
B+
Q6020
47K
B-
R6040
1K
[-0.4V]
R6050
3.9K
[-1.1V]
[-53.0V]
R
R6061 2.2
R6031
[1.1V]
1K
[1.0V]
R6001
5.6K
R6011
3.9K
Q6011
NF
-B1
[-0.3V]
+B1
R6174
B+
47K
Q6021
B-
R6041
1K
[-0.4V]
R6051
[-1.1V]
3.9K
[-53.0V]
R6062 2.2
C
R6032
[1.1V]
[1.0V]
1K
R6002
5.6K
R6012
3.9K
Q6012
NF
-B1
[-0.3V]
+B1
B+
Q6022
B-
R6042
1K
[-0.4V]
R6052
[-1.1V]
3.9K
[-53.0V]
F
G
[53.0V]
Q6030
(1/4W)
R6160
R6080
33K
Q6050
2.2
(1/4W)
Q6070
R6140
[0.6V]
[0.6V]
R6200
22K
P6080
R6070
120
100
R6100
ID+
(1/4W)
0.22 X2
ID-
D6000
(5W)
R6150
12K
R6180
R6170
C6040
[-0.6V]
47K
47K
47/50
Q6060
C6050
[-0.6V]
R6230
103J
8.2 (1W)
R6240
R6090
220K
2.2
C6230
(1/4W)
473J
Q6040
Q6031
[53.0V]
(1/4W)
R6161
R6081
33K
2.2
Q6051
(1/4W)
Q6071
R6141
[0.6V]
[0.6V]
R6201
22K
P6081
R6071
120
100
R6101
ID+
(1/4W)
0.22 X2
ID-
D6001
(5W)
R6151
12K
R6181
R6171
C6041
47K
47K
[-0.6V]
47/50
Q6061
C6051
[-0.6V]
103J
C6231
R6241
R6091
220K
2.2
473J
(1/4W)
R6231
Q6041
8.2 (1W)
Q6032
[53.0V]
(1/4W)
R6162
R6082
33K
Q6052
2.2
(1/4W)
Q6072
R6142
[0.6V]
[0.6V]
R6202
22K
P6082
R6072
120
100
R6102
ID+
(1/4W)
0.22 X2
ID-
D6002
(5W)
R6152
12K
R6182
R6172
C6042
47K
47K
[-0.6V]
47/50
Q6062
C6052
[-0.6V]
103J
R6232
R6242
8.2 (1W)
R6092
220K
2.2
(1/4W)
C6232
473J
Q6042
R6702
C6703
10K
223Z
Q6703
Q6603
R6701
22K
R6704
47K
R6708
R6631
R6633
33K
1K
1K
Q6701
Q6702
D6703
MTZJ5.1B
D6704
MTZJ5.1B
C6704
C6706
D6701
1/50
100/6.3
C6701
R6706
100/6.3
D6702
220K
+10VS
POWER
TX-SR55
H
+24V
+24V
TH2
TH1
Q6303,6304:
JL6402A
KTA1267-GR OR
2SA933-R,S
D6307
Q6304
Q6303
P6301
R6309
D6306
470
R6307
R6310
470
R6308
4.7K
R6306
4.7K
10K
C6707
D6707
223Z
MTZJ5.1B
R6707 22K
JL6200A
+B1
-B1
R6235
E
8.2
C6235
SBRSP
473J
SBLSP
(1W)
IPRO
R6185
D6005
47K
R6175
47K
SBLSP
R6236
C6236
8.2
SBRSP
473J
SLSP
(1W)
R6186
D6006
SRSP
47K
SRSPE
R6176
47K
SLSPE
SBRSPE
SBLSPE
SBLSPE
RSP
LSP
CSP
R6751
R6750
390
390
(1/2W)
(1/2W)
Z2RLD
SBRLD
FRLD
R6605
CSRLD
10
+24VR
(1/2W)
Q6601
Q6604
Q6602
HPL
HPR
R6634
R6632
E
1K
1K
+24V
S3GND
SPRLCS
SPRLF
SPRLSB
SPRLZ2
SEC1H
POWER
+10VS
MPUGND
VOLH
PRO
THRM

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