Sharp SD-AT50H Service Manual page 38

SD-AT50H
1-BIT AMP. PWB-D
A
FM SIGNAL
B
C
3
DA416
KDS121E
1 2
ICA403
KIA4558P
D
OPE AMP.
7 1
RA468 RA463
22K 22K
6 2
5 3
RA467 RA464
22K
22K
8 4
CA426
0.01
CA427
1/50
CA405
0.1
+B
RA522
22K
RA521
33K
E
CA432
0.1
3
2
1
CA431
0.1
QA405
KRC102 S
RA481
3
RA516
47K
DA504
F KDS121E
RA403
330
RA402
330
G
LA400
DA400
KDS160
CNA104
1 2
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 42.
1
CA413
0.1
CA412
47/25
3
2
1
QA409
KTC3875 GR
CA411
47/25
LFA03
CA428
0.1
DA423
KDS160
CA408
0.1
CA407
47/25
3
2
1
CA406
47/25
RA512
RA513
RA409
22K
10K
2
3
1
DA403
KDS121E
RA408
12K
QA406
KTA1504 GR
RA519 DA502
KDS121E
22K
2
3
1
DA503
KDS160
2 1
RA492
3
10(2W)
RA518
47K
RA493
10(2W)
RA447
QA501
0.2
KTA1504 GR
(2W)
22K
1
RA448
2 0.2(2W)
RA515 RA436
0.2(2W)
56(1W)
RA434
0.2(2W)
RA433
RA471
0.2(2W)
27K
RA473
22K
RA470
22K
RA401
DA418
47K
SFPW56
LFA02 LFA01
1 2
3
3 4 5
CNS901
P34 1 - B
FROM POWER PWB
2
Figure 38 SCHEMATIC DIAGRAM (9/11)
CA122
0.01
CA133
10K
3
10
1 2
CA151
11
0.1
12
CA111
13
0.33
14
RA486
15
1K
DA109
16
SFPW56
17
18
RA443
0.2
RA445 (2W)
0.2
SLA5505M
(2W)
RA444
CA422
0.2(2W)
100/25
RA446
0.2(2W)
CA167
0.001
RA432 CA421
0.2(2W) 100/25 SWITCHING AUDIO
POWER AMP.
11 12
CA175
0.1
RA501
2.2K
CA119
0.01
RA457
27K
RA143
QA102 15K
2 1
KTC3875 GR
CA127
RA147
3
0.22 47(5W)
3 4
– 38 –
1 2
CNA100
RA100
RA101
3.3K
3.3K
ANALOG IN L-CH 1
RA103
8.2K
RA105
CA101
CA132 120K
10/16
47/25
RA109
RA107
20K
120K
CA131
0.1 CA177
RA150 100P
RA131
1K (CH)
75K
RA133
75K
RA130
75K
RA132
24 23 22 21 20 19 18
75K
0.1
3 4
1 2 3 4 5 6 7
CA136
47/25
+B
CA135
1 2
CA138
0.1
0.1
+B
RA113 RA112 +B
RA110
RA111
100 100
100
100
DA107 DA106
DA105
KDS160
KDS160 KDS160
RA115
2.2K
CA107
12P(CH)
+B
9
12 13 10 5 4 2 1
14
7
8 6 3
11
5 6
CA144
CA143 0.1 CA142
CA141 100/16
+B
CA145 0.1 CA146
CA147 100/16 CA148
CA149 0.1 CA150
CA152
0.1
VKK VCC 9 10
VKK
+B
VDD 8
GND 11 GND
+B
LINA 7 12
LINB LINB
HINA 6 CA110 13
HINB HINB
0.33
CA113
VBOOTA
5 14
VBOOTB 0.33 VBOOTB
VBBA 4 15
VBBB VBBB
DA108
NC 3 16
NC NC
SFPW56
OUTA 2 17
OUTB OUTB
SB SA 1 18
SB
ICA107 ICA102
SLA5505M
CA163 CA170
0.001
0.01
CA165 CA157
CA162
0.01 1
ICA107 ICA102
CA168
1 SWITCHING AUDIO
POWER AMP.
RA135 RA139 RA128 RA124
RA123 RA127 RA140 RA136
150
2.7K 820 560 820 2.7K
560 150
RA138 RA134
560 150
RA126 RA122
820 2.7K
RA148
5.6K
QA101
KTC3875 GR
QA100
1
KTC3875 GR
3
2
RA145
DA117
15K
KDS120E
LFA100
LFA101
1 2 3 4
5
3
ANALOG IN R-CH 1
RA102
8.2K
CA100
10/16
RA108
20K
17 16 15 14 13
8 9 10 11 12
+B
ICA101
TC74AC8T
QUAD 2 INPUT
AND GATE
100/16
0.1
+B
+B
0.1
100/16
0.1
+B
VCC 9
VDD 8 +B
LINA 7
CA112
CA211
HINA 6
0.33 0.33
VBOOTA
5
VBBA 4
DA209
NC 3
SFPW5
OUTA 2
SA 1
CA160
0.01
CA158
CA269
0.01 1
1
11
CA275
0.1
CA116
CA114
CA
1.5 1.5
CA118
CA120 CA21
0.01 0.01
0.01
RA142 QA202 RA243
RA144
KTC3875 GR
15K 15K 15K
CA2
CA126 RA146
47(5W)
0.22 0.2
CNS801
P37 12 - A
FROM POWER PWB
6
1