TX-SR506
SCHEMATIC DIAGRAMS-2 (SD-2)
POWER AMPLIFIER SECTION
FRONT L
FRONT R
AUDIO ANALOG SIGNAL
Refer to following table about the parts displayed by mark "
LIST
".
To NAAF-9419(1/2)
SD-1 : F5
+22V
VOLH
SEC1H
IPRO
SPSL
IPRO
VPRO
VOLH
IPRO
SPSBL
VPRO
VOLH
IPRO
SPSBR
VPRO
VOLH
IPRO
SPC
IPRO
SPL
VPRO
VOLH
IPRO
SPR
VPRO
VOLH
VOLH
IPRO
VPRO
+22V
S1H+
S1H-
SL
SR
SBL
SBR
R
L
C
PROTECT
VPRO
VOLH
VPRO
VOLH
SPSR
S1L+
S1L-
SPSBR
SPSBL
SPSR
SPSL
SPR
SPL
SPC
GND
GNDS1
GND_S1
GND_S1
GND_S1
GND_S1
GND_S1
GND_S1
GND_S1
GND SPC
GND R
GND SR
GND SBR
GND SL
GND SBL
GND L
P6911B
ID-
ID+
-0.6V
+0.6V
+1.0V
-0.3V
-0.4V
0V
+1.1V
-1.1V
-0.65V
ID-
ID+
-0.6V
+0.6V
+1.0V
-0.3V
-0.4V
0V
+1.1V
-1.1V
-0.65V
ID-
ID+
-0.6V
+0.6V
+1.0V
-0.3V
-0.4V
0V
+1.1V
-1.1V
-0.65V
ID-
ID+
-0.6V
+0.6V
+1.0V
-0.3V
-0.4V
0V
+1.1V
-1.1V
-0.65V
ID-
ID+
-0.6V
+0.6V
+1.0V
-0.3V
-0.4V
0V
+1.1V
-1.1V
-0.65V
ID-
ID+
-0.6V
+0.6V
+1.0V
-0.3V
-0.4V
0V
+1.1V
-1.1V
-0.65V
ID-
ID+
-0.6V
+0.6V
+1.0V
-0.3V
-0.4V
0V
+1.1V
-1.1V
-0.65V
10A 125V
NAAF-9419 (2/2)
10A 125V
+51.5V
+51.5V
+51.5V
+51.5V
+51.5V
+51.5V
+51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
+52.5V
+52.5V
+52.5V
+52.5V
+52.5V
+52.5V
+52.5V
-52.5V
-52.5V
-52.5V
-52.5V
-52.5V
-52.5V
-52.5V
+50.5V
+50.5V
+50.5V
+50.5V
+50.5V
+50.5V
+50.5V
-46.5V
-46.5V
-46.5V
-46.5V
-46.5V
-46.5V
-46.5V
C6704 1/50
+
R6708
33K
R6721
NC
R6702
10K
R6704
47K
Q6702
Q6701
Q6703
2SA1163-BL
C6703
104Z
D6702
D6701
R6706
220K
R6132
(1W)
8.2
R6134
(1W)
8.2
R6131
(1W)
8.2
R6136
(1W)
8.2
R6903
47K
R6197
(1/2W)
8.2
R6902
1K
Q6707
2SC2712-GR
RL6901
RL6902
D6903
D10XB60H
C6915
104J
C6916
104J
C6706 10/50 +
R6709
5.6K
R6130
(1W)
8.2
R6701
22K
C6032
473J
C6031
473J
C6033
473J
C6035
473J
C6911 102J
D6902
1SS352
R6710
LIST
C6701 100/25
+
R6153
12K
D6003
Q6033
2SC5171
R5053
4.7K
R5113
1K
R5023
330
R5073
NC
R5103
100K
R5063 1.2K
R5083
470
R5233
120K
C5083
040D
C5093 101K
R5183
(1/4W)
10
R5193
(1/4W)
10
R6083
(1/4W)
0.22
R6093
(1/4W)
0.22
D6013
C5003
221K
C5013
47/50
+
R5013
56K
R5043
2.2K
R5093
100K
D5003
MTZJ5.6B
C5023
10/50
+
C6043
47/50 +
C6053
103J
R6193
220K
R5003
1K
R6033
470
R5033
120K
R6003
5.6K
R6013
3.9K
R6053
3.3K
R6173
47K R6183
47K
R6163
33K
R6143
22K
Q6003
R6043
2K
C5053
47/50
+
Q6043
2SA1930
R6023
(1/4W)
2.2
C5103
22/100
+
C5113
22/100
+
R6073
LIST
R5133
22K
R5203
22K
C5043
220/25
+
Q5003
Q5013
Q6073
2SC2240
Q6013
R6154
12K
D6004
Q6034
2SC5171
R5054
4.7K
R5114
1K
R5024
330
R5074
NC
R5104
100K
R5064
1.2K
R5084
470
R5234
120K
C5084 040D
C5094 101K
R5184
(1/4W)
10
R5194
(1/4W)
10
R6084
(1/4W)
0.22
R6094
(1/4W)
0.22
D6014
C5004
221K
C5014
47/50
+
R5014
56K
R5044
2.2K
R5094
100K
D5004
MTZJ5.6B
C5024
10/50
+
C6044
47/50 +
C6054
103J
R6194
220K
R5004
1K
R6034
470
R5034
120K
R6004
5.6K
R6014
3.9K
R6054
3.3K
R6174
47K R6184
47K
R6164
33K
R6144
22K
Q6004
R6044
2K
C5054 47/50
+
Q6044
2SA1930
R6024
(1/4W)
2.2
C5104
22/100
+
C5114
22/100
+
R6074
LIST
R5134
22K
R5204
22K
C5044
220/25
+
Q5004
Q5014
Q6074
2SC2240
Q6014
R6155
12K
D6005
Q6035
2SC5171
R5055
4.7K
R5115
1K
R5025
330
R5075
NC
R5105
100K
R5065 1.2K
R5085
470
R5235
120K
C5085 040D
C5095 101K
R5185
(1/4W)
10
R5195
(1/4W)
10
R6085
(1/4W)
0.22
R6095
(1/4W)
0.22
D6015
C5005
221K
C5015
47/50
+
R5015
56K
R5045
2.2K
R5095
100K
D5005
MTZJ5.6B
C5025
10/50
+
C6045
47/50
+
C6055
103J
R6195
220K
R5005
1K
R6035
470
R5035
120K
R6005
5.6K
R6015
3.9K
R6055
3.3K
R6175
47K R6185
47K
R6165
33K
R6145
22K
Q6005
R6045
2K
C5055
47/50
+
Q6045
2SA1930
R6025
(1/4W)
2.2
C5105
22/100
+
C5115
22/100
+
R6075
LIST
R5135
22K
R5205
22K
C5045
220/25
+
Q5005
Q5015
Q6075
2SC2240
Q6015
R6156
12K
D6006
Q6036
2SC5171
R5056
4.7K
R5116
1K
R5026
330
R5076
NC
R5106
100K
R5066 1.2K
R5086
470
R5236
120K
C5086 040D
C5096 101K
R5186
(1/4W)
10
R5196
(1/4W)
10
R6086
(1/4W)
0.22
R6096
(1/4W)
0.22
D6016
C5006
221K
C5016
47/50
+
R5016
56K
R5046
2.2K
R5096
100K
D5006
MTZJ5.6B
C5026
10/50
+
C6046
47/50
+
C6056
103J
R6196
220K
R5006
1K
R6036
470
R5036
120K
R6006
5.6K
R6016
3.9K
R6056
3.3K
R6176
47K R6186
47K
R6166
33K
R6146
22K
Q6006
R6046
2K
C5056
47/50
+
Q6046
2SA1930
R6026
(1/4W)
2.2
C5106
22/100
+
C5116
22/100
+
R6076
LIST
R5136
22K
R5206
22K
C5046
220/25
+
Q5006
Q5016
Q6076
2SC2240
Q6016
R6150
12K
D6000
Q6030
2SC5171
R5050
4.7K
R5110
1K
R5020
330
R5070
NC
R5100
100K
R5060 1.2K
R5080
470
R5230
120K
C5080
040D
C5090
101K
R5180
(1/4W)
10
R6080
(1/4W)
0.22
R6090
(1/4W)
0.22
D6010
C5000
221K
C5010
47/50
+
R5010
56K
R5040
2.2K
R5090
100K
D5000
MTZJ5.6B
C5020
10/50
+
C6040
47/50 +
C6050
103J
R6190
220K
R5000
1K
R6030
470
R5030
120K
R6000
5.6K
R6010
3.9K
R6050
3.3K
R6170
47K R6180
47K
R6160
33K
R6140
22K
Q6000
R6040
2K
C5050
47/50
+
Q6040
2SA1930
R6020
(1/4W)
2.2
C5100
22/100
+
C5110
22/100
+
R6070
LIST
R5130
18K
R5200
18K
C5040
220/25
+
Q5000
Q5010
Q6070
2SC2240
Q6010
R6151 12K
D6001
Q6031
2SC5171
R5051
4.7K
R5111
1K
R5021
330
R5071
NC
R5101
100K
R5061 1.2K
R5081
470
R5231
120K
C5081 040D
C5091
101K
R5181
(1/4W)
10
R5191
(1/4W)
10
R6081
(1/4W)
0.22
R6091
(1/4W)
0.22
D6011
C5001
221K
C5011
47/50
+
R5011
56K
R5041
2.2K
R5091
100K
D5001
MTZJ5.6B
C5021
10/50
+
C6041
47/50 +
C6051
103J
R6191
220K
R5001
1K
R6031
470
R5031
120K
R6001
5.6K
R6011
3.9K
R6051
3.3K
R6171
47K R6181
47K
R6161
33K
R6141
22K
Q6001
R6041
2K
C5051 47/50
+
Q6041
2SA1930
R6021
(1/4W)
2.2
C5101
22/100
+
C5111
22/100
+
R6071
LIST
R5131
18K
R5201
18K
C5041
220/25
+
Q5001
Q5011
Q6071
2SC2240
Q6011
R6152 12K
D6002
Q6032
2SC5171
R5052
4.7K
R5112
1K
R5022
330
R5072
NC
R5102
100K
R5062 1.2K
R5082
470
R5232
120K
C5082
040D
C5092 101K
R5182
(1/4W)
10
R5192
(1/4W)
10
R6082
(1/4W)
0.22
R6092
(1/4W)
0.22
D6012
C5002
221K
C5012
47/50
+
R5012
56K
R5042
2.2K
R5092
100K
D5002
MTZJ5.6B
C5022
10/50
+
C6042
47/50 +
C6052
103J
R6192
220K
R5002
1K
R6032
470
R5032
120K
R6002
5.6K
R6012
3.9K
R6052
3.3K
R6172
47K R6182
47K
R6162
33K
R6142
22K
Q6002
R6042
2K
C5052 47/50
+
Q6042
2SA1930
R6022
(1/4W)
2.2
C5102
22/100
+
C5112
22/100
+
R6072
LIST
R5132
18K
R5202
18K
C5042
220/25
+
Q5002
Q5012
Q6072
2SC2240
R6102
0.22(3W)
Q6012
C6912
334J/50V
D6901
D10XB60H
C6913
334J/50V
R6100
0.22(3W)
R5190
(1/4W)
10
R5170
LIST
Q5040
2SC2229-Y
R5160
LIST
Q5051
LIST
R5171
LIST
R5161
LIST
Q5031
2SA949Y
Q5041
2SC2229-Y
R6101
0.22(3W)
R5162
LIST
Q5042
2SC2229-Y
Q5052
LIST
R5172
LIST
Q5032
2SA949Y
R5163
LIST
Q5033
2SA949Y
Q5053
LIST
Q5043
2SC2229-Y
R5173
LIST
R6103
0.22(3W)
R5164
LIST
Q5054
LIST
R5174
LIST
Q5044
2SC2229-Y
Q5034
2SA949Y
Q6054
LIST
Q6064
LIST
Q6053
LIST
Q6063
LIST
Q6050
Q6060
LIST
Q6051
LIST
Q6061
LIST
Q6052
LIST
Q6062
LIST
R5165
LIST
Q5035
2SA949Y
R5175
LIST
Q5045
2SC2229-Y
R5166
LIST
R5176
LIST
Q5046
2SC2229-Y
Q5036
2SA949Y
Q6055
LIST
Q6065
LIST
R6105
0.22(3W)
Q6056
LIST
Q6066
LIST
Q5056
LIST
R6104
0.22(3W)
R6106
0.22(3W)
JL6603A
Q5055
LIST
D6704
UDZS3.3B
D6703
UDZS3.3B
D6901A
2
1
4
3
C6901
LIST
+
C6902
LIST
+
F6901
F6902
P6902A
P6904B
P6901A
P6901B
P6902B
P6900B
P6903B
JL6952B
1
2
3
4
5
C6030
473J
R6133
(1W)
8.2
C6034
473J
R6135
(1W)
8.2
C6036
473J
JL6600A
7
6
5
4
3
2
1
P6080
P6081
P6086
P6085
P6084
P6083
P6082
Q5030
2SA949Y
Q5050
LIST
U01
AMPLIFIER PC BOARD
To NATRM-9468
SD-5 : H2
To NATRM-9468
SD-5 : E3
To NAAF-9419(1/2)
To NAAF-9419 (1/2)
SD-1 : H5
HT-R518
HT-R560
TX-SR576
TX-SR506
HT-R667
HT-R960
MDD,
MDC
MPP,
MPB
MGK,
MGQ,
MGR
MWT,
MWO,
MWF
MPP
MDD,
MDC
MPP
MDD,
MDC,
MPA
MPP
MDD
MDC
MPP
Q6050 - 6052
MN130S
2SC5198
2SC5198
2SC5242
MN130S
2SC5242
MN130S
2SC5242
2SC5242
KTC5242A
KTC5242A
2SC5242
KTC5242A
Q6053 - 6054
Q6055 - 6056
2SC5198
2SC5198
2SC5242
2SC5242
MN130S
2SC5198
2SC5198
2SC5242
MN130S
MN130S
2SC5242
2SC5242
MP130S
2SA1941
2SA1941
2SA1962
MP130S
2SA1962
MP130S
2SA1962
2SA1962
Q6060 - 6062
Q6063 - 6064
MP130S
2SA1941
2SA1941
2SA1962
MP130S
MP130S
2SA1962
2SA1962
KTA1962A
KTA1962A
2SA1962
KTA1962A
Q6065 - 6066
2SA1941
2SA1941
2SA1962
2SA1962
2SA1941
MP130S
2SA1962
To P6901A
To P6902A
LIST
Q5000, 5010 : 2SC2240
Q6000 - 6010 : 2SC1740S-S
Q6001, 6011 : 2SC1740S-S
Q6002, 6012 : 2SC1740S-S
Q6003, 6013 : 2SC1740S-S
Q6004, 6014 : 2SC1740S-S
Q6005, 6015 : 2SC1740S-S
Q6006, 6016 : 2SC1740S-S
Q5001, 5011 : 2SC2240
Q5002, 5012 : 2SC2240
Q5003, 5013 : 2SC2240
Q5004, 5014 : 2SC2240
Q5005, 5015 : 2SC2240
Q5006, 5016 : 2SC2240
D6006, 6016 : KDS4148U
D6005, 6015 : KDS4148U
D6004, 6014 : KDS4148U
D6003, 6013 : KDS4148U
D6000, 6010 : KDS4148U
D6001, 6011 : KDS4148U
D6002, 6012 : KDS4148U
R5160 - 5166
100(1/4W)
150 (1/4W)
R5170 - 5176
100(1/4W)
150(1/4W)
100(1/4W)
100(1/4W)
150 (1/4W)
100(1/4W)
150(1/4W)
100(1/4W)
R6070 - 6072
120 (1/4W)
82(1/4W)
120(1/4W)
82(1/4W)
82(1/4W)
Q5050 - 56
IDLING
ADJ.
IDLING
ADJ.
IDLING
ADJ.
IDLING
ADJ.
IDLING
ADJ.
IDLING
ADJ.
IDLING
ADJ.
IDLING
CHECK
IDLING
CHECK
IDLING
CHECK
IDLING
CHECK
IDLING
CHECK
IDLING
CHECK
IDLING
CHECK
Q6701, 6702 : 2SC2712-GR
D6701, 6702 : KDS4148U
To NAPS-9420
SD-5 : D3
TRANS. SEC. TERMINAL PCB
C6901, 6902
SEC1H
VPRO
IPRO
VOLH
VPRO
IPRO
AMPLIFIER PCB
BLUE
WHITE
BLUE
WHITE
To P6901B
To P6902B
SPEAKER TERMINAL PCB
SPEAKER TERMINAL PCB
YELLOW
BLACK
GREEN
SD-1 :G1
SD-1 : F5
AMPLIFIER PCB
2SC5198
MN130S
2SC1815
2SC2240
2SC1815
2SC1815
2SC2240
2SC2240
150(1/4W)
150(1/4W)
120(1/4W)
8200/63
10000/69
10000/63
R6710
5.6K
4.7K
5.6K
5.6K
5.6K
4.7K
+51.8V
0V
+2.1V
-52.5V
+52.5V
0V
+52.5V
0V
S1L+
S1L-
C
Center ch
L
Front Left ch
R
Front Right ch
SL
Sorround Left ch
SR
Sorround Right ch
SBL
Sorround Back
Left ch
SBR
Sorround Back
Right ch
2SC5198
MN130S
R6073 - 6076
100(1/4W)
10000/63
100(1/4W)
120(1/4W)
2SC5198
MN130S
2SA1941
MP130S
2SA1941
MP130S
A
LIST
A
Yes
None
Yes
Yes
Yes
Yes
None
None
120(1/4W)
MODEL No.--->
TYPE--->
2SC5242
100(1/4W)
10000/63
100(1/4W)
10000/69
<Note>
1. NC = No mount of parts.
2. SD-x : XY is short for Schematic Diagrams-x and each
sockets location, X = A to H, Y = 1 to 5.
A
1
2
3
4
5
B
C
D
E
F
G
H
