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SD-AT50H
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• NOTES ON SCHEMATIC DIAGRAM can be found on page 42.
Figure 38 SCHEMATIC DIAGRAM (9/11)
3
1
24 23
22
21
20
19
18
17
16
15
14 13
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
9
8
6
5 4
3
2 1
3
1
8
4
3
1
2
2
7
14
1
2
3
7
6
5
9
8
7
6
5
4
3
2
1
10
11
12
13
14
15
16
17
18
9
8
7
6
5
4
3
2
1
10
11
12
13
14
15
16
17
18
5
4
3
2
1
4
3
2
1
3
2
1
2
AGND_AD
D+5V
R-CH_1
L-CH_1
–B_RLY CONT
L-CH_IN 1
AGND 1
R-CH_IN 1
+B_AMP
GND
–B_AMP
–B_DRIVER
L-CH_+ 1
L-CH_– 1
R-CH_– 1
R-CH_+ 1
TEST
NFR1(+)
NFL2(–)
NFL1(+)
NFR2(–)
GNDA
L-CH Vref
R-CH Vref
R-CH IN
L-CH IN
RESET
VDDA
GNDD
OUTL(+)
OUTL(–)
OUTR(–)
OUTR(+)
VDDR
VDDX
XI
XO
GNDX
MCK
OUTA
NC
VBBA
VBOOTA
HINA
LINA
VDD
VCC
VKK
GND
LINB
HINB
VBOOTB
VBBB
VBBB
NC
OUTB
OUTB
NC
VBBB
VBOOTB
HINB
LINB
GND
VKK
VDD
VCC
LINA
HINA
VBOOTA
VBBA
NC
OUTA
ANALOG IN R-CH 1
ANALOG IN L-CH 1
SA
SB
SA
SB
1-BIT AMP. PWB-D
1 2
2
3
1
1
2
3
3
2
1
3
2
3
1
2
1
3
3
1
2
3
2
1
3
1
2
+
–
+
–
CNS901
P34 1 - B
FROM POWER PWB
CNS801
P37 12 - A
FROM POWER PWB
R-CH OUTPUT
OFFSET
ADJUSTMENT
L-CH OUTPUT
OFFSET
ADJUSTMENT
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
VDDL
CA122
0.01
RA102
8.2K
RA103
8.2K
CNA100
RA101
3.3K
RA100
3.3K
DA213
SFPW56
DA209
SFPW5
CA211
0.33
RA109
20K
CA101
10/16
RA105
120K
CA100
10/16
RA108
20K
RA104 120K
VRA101 4.7K(B)
VRA100 4.7K(B)
RA107
120K
RA106 120K
CA177
100P
(CH)
RA150
1K
CA131
0.1
CA132
47/25
RA133
75K
RA131
75K
RA130
75K
RA132
75K
CA133
0.1
CA135
0.1
CA136
47/25
RA111
100
RA113
100
RA112
100
RA110
100
CA134
0.1
CA178 7P(CH)
RA181
100
CA173
18P(CH)
CXA100
11.2896 MHz
CA174
18P(CH)
RA115
2.2K
CA107
12P(CH)
CA138
0.1
DA104 KDS160
RA114
2.2K
CA106 12P(CH)
RA116
2.2K
RA117
2.2K
CA108 18P(CH)
CA109 18P(CH)
DA106
KDS160
DA107
KDS160
DA105
KDS160
ICA100
IX2815AF
7TH ORDER
∆∑
MODULATION
CONVERSION LSI
CA105 0.001 CA104 0.001
CA102 10/16
CA103 10/16
CA139
0.1
CA140 100/16
RA119
220
RA120
220
RA121
220
RA118
220
ICA101
TC74AC8T
QUAD 2 INPUT
AND GATE
CA150 0.1
CA148 100/16
CA146 0.1
CA142 0.1
CA144 100/16
CA152
0.1
DA108
SFPW56
CA110
0.33
DA112
SFPW56
ICA102
SLA5505M
CA112
0.33
DA110
SFPW56
DA114
SFPW56
CA170
0.001
CA168
1
CA156 0.001
CA158
1
CA162
0.01
CA160
0.01
CA419 100/25
CA420 100/25
CA149 0.1
CA147 100/16
CA145 0.1
CA143 0.1
CA141 100/16
DA111
SFPW56
CA113
0.33
DA115
SFPW56
CA151
0.1
DA109
SFPW56
CA111
0.33
DA113
SFPW56
ICA107
SLA5505M
CA155
0.001
CA157
1
CA165
0.01
CA163
0.01
CA421
100/25
100/25
CA422
100/25
100/25
CA167
0.001
CA169
1
CA412
47/25
CA413
0.1
QA409
KTC3875 GR
LFA03
CA411
47/25
RA477 100K
CA428
0.1
RA478
10K
DA423
KDS160
CA407
47/25
CA408
0.1
ICA401
KIA7805AP
VOLTAGE
REGULATOR
CA406
47/25
DA416
KDS121E
RA476 2.2M
RA455 1M
CA425 0.22
RA465
100K
RA469
100K
RA466 2.2M
CA424 0.22
RA462 1M
RA468
22K
RA467
22K
ICA403
KIA4558P
OPE AMP.
RA463
22K
RA464
22K
CA427
1/50
CA426
0.01
DA421 KDS160
CA405
0.1
RA521
33K
RA522
22K
DA422 KDS160
CA432
0.1
RA519
22K
RA520
22K
CA404 100/16
ICA400
KIA7806AP VOLTAGE
REGULATOR
CA431
0.1
RA493
10(2W)
RA492
10(2W)
QA405
KRC102 S
DA402 KDS160
CA403 100/25
RA516
47K
RA480
1K
RA479
10K
DA504
KDS121E
RA481
22K
RA515
56(1W)
RA473
22K
RA472
2.2K
RA471
27K
RA475
27K
RA474
2.2K
RA403
330
RA402
330
RA470
22K
DA418
SFPW56
RA401
47K
LA400
LFA02
LFA01
CNA104
DA400
KDS160
RA400 33(2W)
DA500
KDS120E
DA413
KDS121E
DA501 KDS160
DA415 KDS160
RA461
27K
RA460
27K
QA412
KTA1504 GR
RA504
2.2K
RA505
2.2K
RA485
1K
RA429
270
RA430
270
PSA502
470
RA435 0.2(2W)
RA436
0.2(2W)
RA434
0.2(2W)
RA433
0.2(2W)
RA432
0.2(2W)
RA431 0.2(2W)
RA426
270
RA425
270
RA483
1K
PSA500
470
RA427
270
RA428
270
PSA501
470
RA484
1K
QA411
KTA1504 GR
RA503
2.2K
RA502
2.2K
RA459
27K
RA458
27K
RA500
2.2K
RA457
27K
RA501
2.2K
RA456
27K
QA410
KTA1504 GR
CA175
0.1
QA103
KTC3875 GR
RA149
5.6K
QA102
KTC3875 GR
LA105
CA115
1.5
CA117
1.5
CA127
0.22
RA147
47(5W)
RA143
15K
RA145
15K
CA119
0.01
CA121
0.01
LFA101
DA117
KDS120E
LA107
RA125
2.7K
RA129
820
RA123
2.7K
RA127
820
RA135
150
RA139
560
RA137
150
RA141
560
QA101
KTC3875 GR
RA138
560
RA134
150
RA140
560
RA136
150
RA148
5.6K
CA176
0.1
QA100
KTC3875 GR
RA128
820
RA124
2.7K
RA126
820
RA122
2.7K
LA104 CA114
1.5
CA116
1.5
CA120
0.01
CA118
0.01
LFA100
RA142
15K
RA144
15K
RA146
47(5W)
CA126
0.22
QA203
KTC3875 GR
QA202
KTC3875 GR
CA275
0.1
LA106
RA249
5.6K
LA205
CA
1
CA21
0.01
RA243
15K
CA2
0.2
DA405 KDS160
RA489
1K
QA416
KTA1504 GR
RA490
47K
RA491
47K
RA512
10K
QA500
KTC3875 GR
RA514 100K
RA513
22K
DA403
KDS121E
RA411
10K
RA409
10K
RA412
22K
RA408
12K
CA433
0.1
RA482 100K
QA406
KTA1504 GR
DA503
KDS160
DA502
KDS121E
DA505
KDS120E
RA517
10K
QA501
KTA1504 GR
RA518
47K
RA447
0.2
(2W)
RA442
270
PSA504
470
RA441
270
RA488
1K
RA510 4.7K
RA454
27K
RA511
2.2K
DA409 KDS160
RA453
27K
QA415
KTC3875 GR
RA452 27K
RA508 4.7K
RA451
27K
QA414
KTC3875 GR
RA450 27K
PSA503
470
RA440
270
RA439
270
RA487
1K
RA446
0.2(2W)
RA445
0.2
(2W)
RA506 4.7K
RA449
27K
QA413
KTC3875 GR
RA437
270
RA438
270
RA444
0.2(2W)
RA443
0.2
(2W)
RA486
1K
RA509
2.2K
RA507
2.2K
DA410
KDS120E
RA448
0.2(2W)
PSA505
470
ICA402
KIA7805AP
VOLTAGE
REGULATOR
CA269
1
ICA107
SWITCHING AUDIO
POWER AMP.
ICA102
SWITCHING AUDIO
POWER AMP.
FM SIGNAL
3
1
5
2
4
6
11 12
11
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