TX-SR609/TX-SA609/HT-RC360/DTR-20.3/DTR-30.3
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-5
A
1
2
3
4
5
B
C
D
E
F
G
H
+B1SBL
-B1SBL
+BSBL2
-BSBL2
NFSBL
+BSBL
TRIMSBL
-B1SBL
+B1SBL
+BSBL
+B1SL
-B1SL
+BSL2
-BSL2
NFSL
+BSL
TRIMSL
-B1SL
+B1SL
+BSL
+B1L
-B1L
+BL2
-BL2
NFL
+BL
TRIML
-B1L
+B1L
+BL
+B1C
-B1C
+BC2
-BC2
NFC
+BC
TRIMC
-B1C
+B1C
+BC
+B1R
-B1R
+BR2
-BR2
NFR
+BR
TRIMR
-B1R
+B1R
+BR
+B1SR
-B1SR
+BSR2
-BSR2
NFSR
+BSR
TRIMSR
-B1SR
+B1SR
+BSR
+B1SBR
-B1SBR
+BSBR2
-BSBR2
NFSBR
+BSBR
TRIMSBR
-B1SBR
+B1SBR
+BSBR
GND_DecupR
GND_DecupL
AMP(input stage) SECTION
C
CODE
MODEL
T6 TX-SR609
A6 TX-SA609
D2 DTR-20.3
D3 DTR-30.3
L
R
SR
SL
SBL
SBR
BACLA-0362
63.9V[56.6V]
-63.9V[-56.6V]
-0.5V
-0.9V
-48.2V
-1.2V
-62.7V[-55.5V]
0.6V
-0.6V
-0.4V
-62.4V[-55.1V]
1.2V
0V
-61.3V[-54.0V]
62.1V[54.8V]
52.3V
63.9V[56.6V]
-63.9V[-56.6V]
-0.5V
-0.9V
-48.2V
-1.2V
-62.7V[-55.5V]
0.6V
-0.6V
-0.4V
-62.4V[-55.1V]
1.2V
0V
-61.3V[-54.0V]
62.1V[54.8V]
52.3V
63.9V[56.6V]
-63.9V[-56.6V]
-0.5V
-0.9V
-48.2V
-1.2V
-62.7V[-55.5V]
0.6V
-0.6V
-0.4V
-62.4V[-55.1V]
1.2V
0V
-61.3V[-54.0V]
62.1V[54.8V]
52.3V
63.9V[56.6V]
-63.9V[-56.6V]
-0.5V
-0.9V
-48.2V
-1.2V
-62.7V[-55.5V]
0.6V
-0.6V
-0.4V
-62.4V[-55.1V]
1.2V
0V
-61.3V[-54.0V]
62.1V[54.8V]
52.3V
63.9V[56.6V]
-63.9V[-56.6V]
-0.5V
-0.9V
-48.2V
-1.2V
-62.7V[-55.5V]
0.6V
-0.6V
-0.4V
-62.4V[-55.1V]
1.2V
0V
-61.3V[-54.0V]
62.1V[54.8V]
52.3V
63.9V[56.6V]
-63.9V[-56.6V]
-0.5V
-0.9V
-48.2V
-1.2V
-62.7V[-55.5V]
0.6V
-0.6V
-0.4V
-62.4V[-55.1V]
1.2V
0V
-61.3V[-54.0V]
62.1V[54.8V]
52.3V
63.9V[56.6V]
-63.9V[-56.6V]
-0.5V
-0.9V
-48.2V
-1.2V
-62.7V[-55.5V]
0.6V
-0.6V
-0.4V
-62.4V[-55.1V]
1.2V
0V
-61.3V[-54.0V]
62.1V[54.8V]
52.3V
Model No. TX-SR609, TX-SA609, HT-RC360, DTR-20.3, DTR-30.3 SCHEMATIC DIAGRAM (Part-5)
To AMP PWB
To AMP PWB
To AMP PWB
To AMP PWB
To AMP PWB
To AMP PWB
To AMP PWB
TO BAAF-0355(PART-4)
TO BAAF-0355(PART-4)
TO BAAF-0355(PART-4)
TO BAAF-0355(PART-4)
TO BAAF-0355(PART-4)
TO BAAF-0355(PART-4)
TO BAAF-0355(PART-4)
H26 HT-RC360
P6005A:A
9
6
5
4
3
2
1
R5025
330
R5045
1K
R5055
5.6K
Q5055
2SC2240-BL
R5065
2.7K
D5005
MTZJ5.6B
C5025
10/50 R5105
100K
R5175
(1/4W)
820
R5225
(1/4W)
120
R5195
(1/4W)
10
R5285
(1/4W)
120
R5385
(1/4W)
2.2
Q5265 2SC5171
Q5445 2SA949Y
L5415
R5495
10
R5485
10
R5475
(1/4W)
82
Q5255 2SA1930
R5275
(1/4W)
120
R5375
(1/4W)
2.2
Q5435 2SC2229Y
R5425
(1/4W)
10
R5185
(1/4W)
10
R5205
18K
C5055
47/50
C5115
22/100
R5135
18K
Q5415
2SC1740S-S
R5445
2K
1
2
3
C5105
22/100
C5085
040D
R5305
330
R5315
330
C5045
470/10
R5155
(1/4W)
1K
R5085
(1/4W)
1K
Q5075
2SC2229Y
R5095
100K
R5145
(1/4W)
820
R5165
(1/4W)
120
Q5065
2SA949Y
Q5035 2SA949Y
R5215
(1/4W)
820
Q5045 2SA949Y
R5125
2.2K
R5115
2.2K
C5015
47/50
R5015
33K
R5005
1.5K
P6005A:B
8
7
Q5005 2SC2240-BL
Q5015 2SC2240-BL
R5355
(1/4W)
18
R5365
(1/4W)
18
Q5035A
3
2
1
R5035 33K
L5405
C5005
101J
C5095
101J
P6003A:A
9
6
5
4
3
2
1
R5023
330
R5043
1K
R5053
5.6K
Q5053
2SC2240-BL
R5063
2.7K
D5003
MTZJ5.6B
C5023
10/50 R5103
100K
R5173
(1/4W)
820
R5223
(1/4W)
120
R5193
(1/4W)
10
R5283
(1/4W)
120
R5383
(1/4W)
2.2
Q5263 2SC5171
Q5443 2SA949Y
L5413
R5493
10
R5483
10
R5473
(1/4W)
82
Q5253 2SA1930
R5273
(1/4W)
120
R5373
(1/4W)
2.2
Q5433 2SC2229Y
R5423
(1/4W)
10
R5183
(1/4W)
10
R5203
18K
C5053
47/50
C5113
22/100
R5133
18K
Q5413
2SC1740S-S
R5443
2K
1
2
3
C5103
22/100
C5083
040D
R5303
330
R5313
330
C5043
470/10
R5153
(1/4W)
1K
R5083
(1/4W)
1K
Q5073
2SC2229Y
R5093
100K
R5143
(1/4W)
820
R5163
(1/4W)
120
Q5063
2SA949Y
Q5033 2SA949Y
R5213
(1/4W)
820
Q5043 2SA949Y
R5123
2.2K
R5113
2.2K
C5013
47/50
R5013
33K
R5003
1.5K
P6003A:B
8
7
Q5003 2SC2240-BL
Q5013 2SC2240-BL
R5353
(1/4W)
18
R5363
(1/4W)
18
Q5033A
3
2
1
R5033 33K
L5403
C5003
101J
C5093
101J
P6000A:A
9
6
5
4
3
2
1
R5020
330
R5040
1K
R5050
5.6K
Q5050
2SC2240-BL
R5060
2.7K
D5000
MTZJ5.6B
C5020
10/50 R5100
100K
R5170
(1/4W)
820
R5220
(1/4W)
120
R5190
(1/4W)
10
R5280
(1/4W)
120
R5380
(1/4W)
2.2
Q5260 2SC5171
Q5440 2SA949Y
L5410
R5490
10
R5480
10
R5470
(1/4W)
82
Q5250 2SA1930
R5270
(1/4W)
120
R5370
(1/4W)
2.2
Q5430 2SC2229Y
R5420
(1/4W)
10
R5180
(1/4W)
10
R5200
18K
C5050
47/50
C5110
22/100
R5130
18K
Q5410
2SC1740S-S
R5440
2K
1
2
3
C5100
22/100
C5080
040D
R5300
330
R5310
330
C5040
470/10
R5150
(1/4W)
1K
R5080
(1/4W)
1K
Q5070
2SC2229Y
R5090
100K
R5140
(1/4W)
820
R5160
(1/4W)
120
Q5060
2SA949Y
Q5030 2SA949Y
R5210
(1/4W)
820
Q5040 2SA949Y
R5120
2.2K
R5110
2.2K
C5010
47/50
R5010
33K
R5000
1.5K
P6000A:B
8
7
Q5000 2SC2240-BL
Q5010 2SC2240-BL
R5350
(1/4W)
18
R5360
(1/4W)
18
Q5030A
3
2
1
R5030 33K
L5400
P6002A:A
9
6
5
4
3
2
1
R5022
330
R5042
1K
R5052
5.6K
Q5052
2SC2240-BL
R5062
2.7K
D5002
MTZJ5.6B
C5022
10/50 R5102
100K
R5172
(1/4W)
820
R5222
(1/4W)
120
R5192
(1/4W)
10
R5282
(1/4W)
120
R5382
(1/4W)
2.2
Q5262 2SC5171
Q5442 2SA949Y
L5412
R5492
10
R5482
10
R5472
(1/4W)
82
Q5252 2SA1930
R5272
(1/4W)
120
R5372
(1/4W)
2.2
Q5432 2SC2229Y
R5422
(1/4W)
10
R5182
(1/4W)
10
R5202
18K
C5052
47/50
C5112
22/100
R5132
18K
Q5412
2SC1740S-S
R5442
2K
1
2
3
C5102
22/100
C5082
040D
R5302
330
R5312
330
C5042
470/10
R5152
(1/4W)
1K
R5082
(1/4W)
1K
Q5072
2SC2229Y
R5092
100K
R5142
(1/4W)
820
R5162
(1/4W)
120
Q5062
2SA949Y
Q5032 2SA949Y
R5212
(1/4W)
820
Q5042 2SA949Y
R5122
2.2K
R5112
2.2K
C5012
47/50
R5012
33K
R5002
1.5K
P6002A:B
8
7
Q5002 2SC2240-BL
Q5012 2SC2240-BL
R5352
(1/4W)
18
R5362
(1/4W)
18
Q5032A
3
2
1
R5032 33K
L5402
C5002
101J
C5092
101J
P6001A:A
9
6
5
4
3
2
1
R5021
330
R5041
1K
R5051
5.6K
Q5051
2SC2240-BL
R5061
2.7K
D5001
MTZJ5.6B
C5021
10/50 R5101
100K
R5171
(1/4W)
820
R5221
(1/4W)
120
R5191
(1/4W)
10
R5281
(1/4W)
120
R5381
(1/4W)
2.2
Q5261 2SC5171
Q5441 2SA949Y
L5411
R5491
10
R5481
10
R5471
(1/4W)
82
Q5251 2SA1930
R5271
(1/4W)
120
R5371
(1/4W)
2.2
Q5431 2SC2229Y
R5421
(1/4W)
10
R5181
(1/4W)
10
R5201
18K
C5051
47/50
C5111
22/100
R5131
18K
Q5411
2SC1740S-S
R5441
2K
1
2
3
C5101
22/100
C5081
040D
R5301
330
R5311
330
C5041
470/10
R5151
(1/4W)
1K
R5081
(1/4W)
1K
Q5071
2SC2229Y
R5091
100K
R5141
(1/4W)
820
R5161
(1/4W)
120
Q5061
2SA949Y
Q5031 2SA949Y
R5211
(1/4W)
820
Q5041 2SA949Y
R5121
2.2K
R5111
2.2K
C5011
47/50
R5011
33K
R5001
1.5K
P6001A:B
8
7
Q5001 2SC2240-BL
Q5011
2SC2240-BL
R5351
(1/4W)
18
R5361
(1/4W)
18
Q5031A
3
2
1
R5031 33K
L5401
C5001
101J
C5091
101J
P6004A:A
9
6
5
4
3
2
1
R5024
330
R5044
1K
R5054
5.6K
Q5054
2SC2240-BL
R5064
2.7K
D5004
MTZJ5.6B
C5024
10/50 R5104
100K
R5174
(1/4W)
820
R5224
(1/4W)
120
R5194
(1/4W)
10
R5284
(1/4W)
120
R5384
(1/4W)
2.2
Q5264 2SC5171
Q5444 2SA949Y
L5414
R5494
10
R5484
10
R5474
(1/4W)
82
Q5254 2SA1930
R5274
(1/4W)
120
R5374
(1/4W)
2.2
Q5434 2SC2229Y
R5424
(1/4W)
10
R5184
(1/4W)
10
R5204
18K
C5054
47/50
C5114
22/100
R5134
18K
Q5414
2SC1740S-S
R5444
2K
1
2
3
C5104
22/100
C5084
040D
R5304
330
R5314
330
C5044
470/10
R5154
(1/4W)
1K
R5084
(1/4W)
1K
Q5074
2SC2229Y
R5094
100K
R5144
(1/4W)
820
R5164
(1/4W)
120
Q5064
2SA949Y
Q5034 2SA949Y
R5214
(1/4W)
820
Q5044 2SA949Y
R5124
2.2K
R5114
2.2K
C5014
47/50
R5014
33K
R5004
1.5K
P6004A:B
8
7
Q5004 2SC2240-BL
Q5014 2SC2240-BL
R5354
(1/4W)
18
R5364
(1/4W)
18
Q5034A
3
2
1
R5034 33K
L5404
C5004
101J
C5094
101J
P6006A:A
9
6
5
4
3
2
1
R5026
330
R5046
1K
R5056
5.6K
Q5056
2SC2240-BL
R5066
2.7K
D5006
MTZJ5.6B
C5026
10/50 R5106
100K
R5176
(1/4W)
820
R5226
(1/4W)
120
R5196
(1/4W)
10
R5286
(1/4W)
120
R5386
(1/4W)
2.2
Q5266 2SC5171
Q5446 2SA949Y
L5416
R5496
10
R5486
10
R5476
(1/4W)
82
Q5256 2SA1930
R5276
(1/4W)
120
R5376
(1/4W)
2.2
Q5436 2SC2229Y
R5426
(1/4W)
10
R5186
(1/4W)
10
R5206
18K
C5056
47/50
C5116
22/100
R5136
18K
Q5416
2SC1740S-S
R5446
2K
1
2
3
C5106
22/100
C5086
040D
R5306
330
R5316
330
C5046
470/10
R5156
(1/4W)
1K
R5086
(1/4W)
1K
Q5076
2SC2229Y
R5096
100K
R5146
(1/4W)
820
R5166
(1/4W)
120
Q5066
2SA949Y
Q5036 2SA949Y
R5216
(1/4W)
820
Q5046 2SA949Y
R5126
2.2K
R5116
2.2K
C5016
47/50
R5016
33K
R5006
1.5K
P6006A:B
8
7
Q5006 2SC2240-BL
Q5016
2SC2240-BL
R5356
(1/4W)
18
R5366
(1/4W)
18
Q5036A
3
2
1
R5036 33K
L5406
C5006
101J
C5096
101J
R5450
3.9K
R5453
3.9K
R5455
3.9K
R5456
3.9K
R5454
3.9K
R5451
3.9K
R5452
3.9K
C5442
22/50
C5446
22/50
C5445
22/50
C5443
22/50
C5440
22/50
C5000
101J
C5090
101J
P6007A
2
3
4
1
P6008A
2
3
4
1
C5441
22/50
C5444
22/50
(SBL)ch Except D2
(SBR)ch Except D2
AMP. (Input stage) SECTION
PART-5
U0060
BACLA-0362
IDLING CURRENT ADJUSTMENT
1. Wait for
4 - 6
minutes after power on. (Heat running)
2. Re-adjust the trimming resistors according to the following values.
Adjustment point
R6040 ~ R6046
Re-adjustment value
6 mV
8 mV
No re-adjustment
12 mV
Measured value
In case below
6 mV
In case
6 - 8 mV
In case 8 - 12 mV
In case over
12mV
