TX-SR508/ TX-SA508/ HT-R580/ HT-R578/ HT-R680/ HT-R980
SCHEMATIC DIAGRAMS-4b
POWER AMP. SECTION
TX-SR508/ TX-SA508/ HT-R580/ HT-R578/ HT-R680/ HT-R980
A
1
2
3
4
5
B
C
D
E
F
G
H
6
7
8
I
J
K
-BL
+BL
IPRO
-BR
+BR
IPRO
-BC
+BC
IPRO
-BSL
+BSL
IPRO
-BSR
+BSR
IPRO
-BSBL
+BSBL
IPRO
-BSBR
+BSBR
IPRO
SBL
SL
SR
SBR
C
R
L
AC_S1L-
-B1C
-B1R
+B1C
+B1R
-B1L
+B1L
+B1SL
-B1SL
-B1SR
+B1SR
+B1SBL
+B1SBLL
-B1SBL
+B1SBR
+B1SBRR
-B1SBRR
-B1SBLL
-B1SRR
-B1SLL
+B1SRR
+B1SLL
-B1CC
+B1CC
-B1RR
+B1RR
+B1LL
-B1SBR
FLVOLH
FRVOLH
CVOLH
SLVOLH
SRVOLH
SBLVOLH
SBRVOLH
SLVPRO
SRVPRO
SBLVPRO
SBRVPRO
CVPRO
FRVPRO
FLVPRO
VPRO
IPRO
-B1LL
SPL
SPR
SPC
SPSL
SPSR
IPROTECT
PROTECT
SEC1H
+24V
VOLH
S1L+
SPR
SPL
SPC
SPSL
SPSR
GND
GND
GND
GND
GND
GND
GND_S1
GND_M
+24V
S1L-
-B1H_B1
+B1H_B1
+B1H_B
-B1H_B
Z2SP_HIGHT_L
Z2SP_HIGHT_R
Z2SP_HIGHT_L
Z2SP_HIGHT_R
L
R
C
ID+
ID-
ID+
ID-
ID+
ID-
ID+
ID-
ID+
ID-
ID+
ID-
ID+
10A 125V
SL
SR
SBL
SBR
SPSBLE
SPSLE
SPLE
SPCE
SPRE
SPSRE
SPBSRE
ID-
-52.5V
-52.5V
-52.5V
-52.5V
-52.5V
-52.5V
-52.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
0V
-46.5V
1.1V
1.0V
-0.3V
1.1V
-46.5V
1.1V
-46.5V
0.6V
-0.6V
-0.6V
0.6V
-0.6V
0.6V
1.1V
1.1V
1.0V
-0.3V
1.0V
-0.3V
-0.65V
-0.65V
-0.65V
0.2V
0.2V
0.2V
0.2V
0.2V
0.2V
0.2V
1.1V
-46.5V
-0.6V
0.6V
-46.5V
-46.5V
-46.5V
1.1V
0.6V
-0.6V
0.6V
-0.6V
1.1V
1.1V
1.1V
1.1V
1.1V
-0.65V
-0.65V
-0.65V
-0.65V
0.6V
-0.6V
1.0V
-0.3V
1.0V
-0.3V
1.1V
1.0V
-0.3V
1.0V
-0.3V
1.1V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51.5V
-51V
-51V
-51V
-51V
-51V
-51V
-14.5V
-14.5V
-14.5V
-14.5V
-14.5V
-14.5V
-14.5V
-47.5V
-47.5V
-47.5V
-47.5V
-47.5V
-47.5V
-47.5V
-0.4V
-0.4V
-0.4V
-0.4V
-0.4V
-0.4V
-0.4V
0V
0V
0V
0V
0V
0V
52.5V
52.5V
52.5V
52.5V
52.5V
52.5V
52.5V
51.5V
51.5V
51.5V
51.5V
51.5V
51.5V
51.5V
50.5V
50.5V
50.5V
50.5V
50.5V
50.5V
50.5V
VOLH
TO SD-8 F-2
BATRM-0368
(TO-OUT Section)
TO SD-8 B-3 BATRM-0368
(SP-OUT Section)
0V
-51V
Av=29dB
Av=29dB
Av=29dB
Av=29dB
Av=29dB
Av=29dB
Av=29dB
0V
0V
0V
TO SD-3b K-7 BAETC-0352
(TRANS FX BOARD)
TO SD-3b G-2 BAAF-0348
(AUDIO INPUT Section)
TO SD-3b H7 BAAF-0348
(AUDIO INPUT Sectio)
P6911A
NC
NC
NO
10A 125V
BLK
NO
52.5V
-52.5V
J
HT-R680 HT-R980
HT-R580
PP/PN/PA
MQ/MO/MR
8200uF/63V-MB
8200uF/63V-MA
C6901, C6902
TX-SR508
Block Capacitor
Block Capacitor
JJ
TX-SR508
TX-SR578
TX-SA578
Table: J
DEL
HT-R580
C5090
101K
R5190
(1/4W)
10
R6080
(1/4W)
0.22
R6090
(1/4W)
0.22
R6020
(1/4W)
2.2
R5170
(1/4W)
100
Q5040
2SC2229-Y
R5130
22K
Q6040
2SA1930
C6040
47/50
R6070
(1/4W)
100
C5110
22/100
C5020
10/50
C5040
220/25
C5100
22/100
R5030
120K
R5230
120K
C5050
47/50
Q5010
2SC2240
Q5000
2SC2240
R5160
(1/4W)
100
C5000
221K
R5180
(1/4W)
10
R5020
330
R5050
4.7K
R5090
100K
R6000
5.6K
R6010
3.9K
R6160
33K
R6050
3.3K
R6170
47K
R6180
47K
R6030
470
R5110
1K
R5100
100K
R5040
2.2K
C5091
101K
R5191
(1/4W)
10
R6081
(1/4W)
0.22
R6091
(1/4W)
0.22
R6021
(1/4W)
2.2
R5171
(1/4W)
100
Q5051
2SC1815
Q5041
2SC2229-Y
R5131
22K
Q6041
2SA1930
Q6031
2SC5171
D6001
KDS4148U
1
2
C6041
47/50
R6071
(1/4W)
100
C5111
22/100
C5021
10/50
C5041
220/25
C5101
22/100
R5031
120K
R5231
120K
C5051
47/50
Q5011
2SC2240
Q5001
2SC2240
R5161
(1/4W)
100
C5001
221K
R5181
(1/4W)
10
R5021
330
R5051
4.7K
R5091
100K
R6011
3.9K
R6161
33K
R6051
3.3K
R6171
47K
R6181
47K
R6031
470
R5111
1K
R5101
100K
R5041
2.2K
C5092
101K
R5192
(1/4W)
10
R6082
(1/4W)
0.22
R6092
(1/4W)
0.22
R6022
(1/4W)
2.2
R5172
(1/4W)
100
Q5052
2SC1815
Q5042
2SC2229-Y
R5132
22K
Q6042
2SA1930
Q6032
2SC5171
D6002
KDS4148U
1
2
C6042
47/50
R6072
(1/4W)
100
C5112
22/100
C5022
10/50
C5042
220/25
C5102
22/100
R5032
120K
R5232
120K
C5052
47/50
Q5012
2SC2240
Q5002
2SC2240
R5162
(1/4W)
100
C5002
221K
R5182
(1/4W)
10
R5022
330
R5052
4.7K
R5092
100K
R6002
5.6K
R6012
3.9K
R6162
33K
R6052
3.3K
R6172
47K
R6182
47K
R6032
470
R5112
1K
R5042
2.2K
R5193
(1/4W)
10
R6083
(1/4W)
0.22
R6093
(1/4W)
0.22
R6023
(1/4W)
2.2
R5173
(1/4W)
100
Q5053
2SC1815
Q5043
2SC2229-Y
R5133
22K
Q6043
2SA1930
Q6033
2SC5171
D6003
KDS4148U
1
2
C6043
47/50
R6073
(1/4W)
100
C5113
22/100
C5023
10/50
C5043
220/25
C5103
22/100
R5033
120K
R5233
120K
C5053
47/50
Q5013
2SC2240
Q5003
2SC2240
R5163
(1/4W)
100
C5003
221K
R5183
(1/4W)
10
R5023
330
R5053
4.7K
R5093
100K
R6003
5.6K
R6013
3.9K
R6163
33K
R6053
3.3K
R6173
47K
R6183
47K
R6033
470
R5113
1K
R5103
100K
R5043
2.2K
C5094
101K
R5194
(1/4W)
10
R6084
(1/4W)
0.22
R6094
(1/4W)
0.22
R6024
(1/4W)
2.2
R5174
(1/4W)
100
Q5054
2SC1815
Q5044
2SC2229-Y
R5134
22K
Q6044
2SA1930
Q6034
2SC5171
D6004
KDS4148U
1
2
C6044
47/50
R6074
(1/4W)
100
C5114
22/100
C5024
10/50
C5044
220/25
C5104
22/100
R5034
120K
R5234
120K
C5054
47/50
Q5014
2SC2240
Q5004
2SC2240
R5164
(1/4W)
100
C5004
221K
R5184
(1/4W)
10
R5024
330
R5054
4.7K
R5094
100K
R6004
5.6K
R6014
3.9K
R6164
33K
R6054
3.3K
R6174
47K
R6184
47K
R6034
470
R5114
1K
R5104
100K
R5044
2.2K
C5095
101K
R5195
(1/4W)
10
R6085
(1/4W)
0.22
R6095
(1/4W)
0.22
R6025
(1/4W)
2.2
R5175
(1/4W)
100
Q5055
2SC1815
Q5045
2SC2229-Y
R5135
22K
Q6045
2SA1930
Q6035
2SC5171
D6005
KDS4148U
1
2
C6045
47/50
R6075
(1/4W)
100
C5115
22/100
C5025
10/50
C5045
220/25
C5105
22/100
R5035
120K
R5235
120K
C5055
47/50
Q5015
2SC2240
R5165
(1/4W)
100
C5005
221K
R5185
(1/4W)
10
R5025
330
R5055
4.7K
R5095
100K
R6005
5.6K
R6015
3.9K
R6165
33K
R6055
3.3K
R6175
47K
R6185
47K
R6035
470
R5115
1K
R5105
100K
R5045
2.2K
C5096
101K
R5196
(1/4W)
10
R6086
(1/4W)
0.22
R6096
(1/4W)
0.22
R6026
(1/4W)
2.2
R5176
(1/4W)
100
Q5056
2SC1815
Q5046
2SC2229-Y
R5136
22K
Q6046
2SA1930
Q6036
2SC5171
D6006
KDS4148U
1
2
C6046
47/50
R6076
(1/4W)
100
C5116
22/100
C5026
10/50
C5046
220/25
C5106
22/100
R5036
120K
R5236
120K
C5056
47/50
Q5016
2SC2240
Q5006
2SC2240
R5166
(1/4W)
100
C5006
221K
R5186
(1/4W)
10
R5026
330
R5056
4.7K
R6006
5.6K
R6016
3.9K
R6166
33K
R6056
3.3K
R6176
47K
R6186
47K
R6036
470
R5116
1K
R5106
100K
R6046
2K
3
2
1
R5046
2.2K
R6709
5.6K
D6704
UDZS3.3B
C6706
10/50
R6710
5.6K
Q6070
2SC2229-Y
Q6071
2SC2229-Y
Q6072
2SC2229-Y
Q6073
2SC2229-Y
Q6074
2SC2229-Y
Q6075
2SC2229-Y
Q6076
2SC2229-Y
C5093
101K
R5096
100K
P6081
NPLG-2P29
1
2
P6082
NPLG-2P29
1
2
P6086
NPLG-2P29
1
2
P6085
NPLG-2P29
1
2
P6084
NPLG-2P29
1
2
P6083
NPLG-2P29
1
2
F6901C
F6902C
F6902D
1
R6197
(1W)
8.2
R6130
(1W)
8.2
R6131
(1W)
8.2
R6132
(1W)
8.2
P6080
NPLG-2P29
1
2
Q5031
2SA949-Y
Q5032
2SA949-Y
Q5033
2SA949-Y
Q5034
2SA949-Y
Q5035
2SA949-Y
Q5036
2SA949-Y
C5081
040D
C5082
040D
C5083
040D
C5084
040D
C5085
040D
C5086
040D
Q6010
2SC1740S-S
Q6011
2SC1740S-S
Q6012
2SC1740S-S
Q6013
2SC1740S-S
Q6014
2SC1740S-S
Q6015
2SC1740S-S
Q6016
2SC1740S-S
C5010
47/50
C5011
47/50
C5012
47/50
C5013
47/50
C5014
47/50
C5015
47/50
C5016
47/50
R5307
0
R5301
0
R5304
0
R5310
0
R5313
0
R5316
0
R5302
0
R5303
0
R5306
0
R5305
0
R5318
0
R5317
0
R5315
0
R5314
0
R5312
0
R5311
0
R5309
0
R5308
0
R6140
56K
R6141
56K
R6142
56K
R6143
56K
R6144
56K
R6145
56K
R6146
56K
R6150
10K
R6151
10K
R6152
10K
R6153
10K
R6154
10K
R6155
10K
R6156
10K
D5003
MTZJ5.6B
D5004
MTZJ5.6B
D5002
MTZJ5.6B
D5001
MTZJ5.6B
D5006
MTZJ5.6B
D5005
MTZJ5.6B
R6040
2K
3
2
1
Q6000
2SC1740S-S
R6041
2K
3
2
1
R6042
2K
3
2
1
Q6002
2SC1740S-S
R6001
5.6K
Q6001
2SC1740S-S
Q6006
2SC1740S-S
R6045
2K
3
2
1
Q5005
2SC2240
R6043
2K
3
2
1
Q6003
2SC1740S-S
Q6004
2SC1740S-S
R6044
2K
3
2
1
Q6005
2SC1740S-S
Q5050
2SC1815
R5066
1.2K
R5065
1.2K
R5064
1.2K
R5063
1.2K
R5060
1.2K
R5061
1.2K
R5062
1.2K
D6713
UDZS3.3B
C6714
1/50
R6716
220K
P6901B
1
P6902B
1
R6134
(1W)
8.2
R6133
(1W)
8.2
R6136
(1W)
8.2
R6135
(1W)
8.2
Q6050
2SC4468
Q6051
2SC4468
Q6052
2SC4468
Q6053
2SC4468
Q6054
2SC4468
Q6055
2SC4468
Q6056
2SC4468
Q6060
2SA1695
Q6061
2SA1695
Q6062
2SA1695
Q6063
2SA1695
Q6064
2SA1695
Q6065
2SA1695
Q6066
2SA1695
Q6030
2SC5171
C5080
040D
Q5030
2SA949-Y
R5080
1K
R5081
1K
R5082
1K
R5086
1K
R5085
1K
R5084
1K
R5083
1K
R5011
120K
R5016
120K
R5015
120K
R5014
120K
R5013
120K
R5070
1K
R5071
1K
R5072
1K
R5073
1K
R5074
1K
R5075
1K
R5076
1K
R5124
120K
R5126
120K
R5125
120K
R5010
120K
R5012
120K
R5123
120K
R5121
120K
R5122
120K
R5102
100K
D6901
D10XB60H
4
2
1
3
R6903
47K
R6902
1K
R6100
0.22(2W)
R6101
0.22(2W)
R6102
0.22(2W)
R6103
0.22(2W)
R6104
0.22(2W)
R6105
0.22(2W)
R6106
0.22(2W)
C6713
104Z
R6712
10K
R6701
22K
Q6713
2SA1163-BL
R6714
47K
R6721
NC
R5319
0
R6706
220K
D6703
UDZS3.3B
C6704
1/50
D6702
KDS4148U
2
1
D6701
KDS4148U
2
1
Q6701
2SC2712-GR
R6704
47K
R6708
33K
R6702
10K
C6703
104Z
Q6703
2SA1163-BL
Q6702
2SC2712-GR
C6701 100/25
JL603A
1
2
3
4
5
6
7
8
9
R5120
120K
C6032
(50V)
473J
C6030
(50V)
473J
C6031
(50V)
473J
C6033
(50V)
473J
C6034
(50V)
473J
C6035
(50V)
473J
C6036
(50V)
473J
C6050
103J
C6051 103J
C6052
103J
C6053
103J
C6054
103J
C6055
103J
C6056 103J
R5202
22K
R5201
22K
R5200
22K
R5203
22K
R5204
22K
R5205
22K
R5206
22K
R5000
1K
R5001
1K
R5002
1K
R5003
1K
R5004
1K
R5005
1K
R5006
1K
C6913
334J/50V
P6900B
1
Q6707
2SC2712-GR
F6901D
1
C6911
102J
D6902
1SS352
1
2
RL6902
4
3
5
2
1
RL6901
4
3
5
2
1
D6000
KDS4148U
2
1
D5000
MTZJ5.6B
JL600A
7
6
5
4
3
2
1
C6901
8200/63
+
C6902
8200/63
+
P6902A
1
P6901A
1
JL954B
NSCT-5P896
5
4
3
2
1
TP6007
TP6924
D6901A
RAD-196
2
1
4
3
C6915
104J
C6916
104J
C6912
334J/50V
U0010
AMP, ASP PC BOARD BAAF-0348
TO SD-3b J-8 BAETC-0352
(TORANS FX PWB)
TO SD-3b K-8
BAETC-035
(TORANS FX PWB)
TO SD-3b J-8 BAETC-0352
(TORANS FX PWB)
S1L-
S1L+
GND_M
TO SD-4b G-1 BAAF0348
(POW AMP Section)
TO SD-4b G-1 BAAF0348
(POW AMP Section)
TO SD-4b D-8 BAAF0348
(POW AMP Section)
TO SD-4b D-7 BAAF0348
(POW AMP Section)
AUDIO ANALOG SIGNAL(TV/CD)
FRONT L
FRONT R
TX-SR578
DC/ DD
DF
DC/ DD
DEL
DEL
DEL
DEL
ADD
ADD
ADD
ADD
TO SD-3b J-6 BAAF0348
(AUDIO INPUT Section)
POWER TRANSISTOR
REFERENCE NO
JJ/ PP/ PB
OTHERS
OR
Q6050-6052
(FL/ FR/ C)
2SC5198
Q6053-6056
(SL/ SR/ SBL/ SBR)
KTC5424A
(2SC5198)
Q6060-6062
(FL/ FR/ C)
2SA1941
Q6063-6066
(SL/ SR/ SBL/ SBR)
KTA1962A
(2SA1941)
2SC5198
2SC4468
2SA1941
2SA1695
DRIVER TRANSISTOR
REFERENCE NO
OR
Q6030-6032
(FL /FR/ C)
2SC5593
Q6033-6036
(SL/ SR/ SBL/ SBR)
2SC5593
(KTD2061)
Q6040-6042
(FL /FR/ C)
2SDA2140
Q6043-6046
(SL/ SR/ SBL/ SBR)
2SDA2140
(KTB1369)
2SC5171
2SA1930
SWITCHING TRANSISTOR
REFERENCE NO
OR
Q5030-5032
(FL /FR/ C)
Q5033-5036
(SL/ SR/ SBL/ SBR)
Q5040-5042
(FL /FR/ C)
Q5043-5046
(SL/ SR/ SBL/ SBR)
2SA1360-Y
2SC3423-Y
2SA949-Y
2SC2229-Y
NOTE
DEL:Deleton
ADD:Addton
1. Set the voltages at “P6080/6081/6082” to 2.5mV by adjusting
“R6040/6041/6042”, under the condition of no input and
no load, immediately after POWER ON.
2. Set the voltages at “P6083/6084/6085/6086” to 1.5mV by
adjusting R6043/6044/6045/6046, under the condition of
no input and no load, immediately after POWER ON.
3. Re-adjust by following procedure after 4-6 minutes of
heat running.
IDLING CURRENT ADJUSTMENT
9mV
6mV
Leave it as it is.
Leave it as it is.
11mV
8mV
*Equip series 1/4W 100-ohm resisters near the terminal
respectively in the each poles of the jig used for
P6080-6086 terminals.
SL/SR/SBL/SBR
(R6043/6044/6045/6046)
L/C/R (R604/6041/6042)
Just after
power on
4-6 minutes
after power on
2.5mV (P6080/6081/6082)
Below 9mV
1.5mV
(P6083/6084/6085/6086)
Between 9-11mV
Over 11mV
Below 6mV
Between 6-8mV
Over 8mV
ID+
ID-
Test point
DC voltmeter
Jig terminal
100 ohms
(1/4 watt)
DC Canadian model
DD USA model
DF Taiwanese model
MO Saudi Arabian model
MQ Hong kong model
PA Australian model
PB
MB U.K. model
PP
MP CE(European) country model
MR Chinese model
JJ Japanese model
w w w
.
x i a o y u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
