Sharp SD-EX220H Service Manual page 27

1-bit digital audio system
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Through-hole where the top, bottom and +B patterns are connected.
Through-hole where the top, bottom and ground patterns are connected.
Through-hole where the top, and bottom patterns are connected.
6 - 2 2 - G
TO PROTECT CIRCUIT PWB
CNPS02
4 3 2 1
5
BIA103
CA414
LFA101
11
CA181
12
LA107
CA117
20
18
16
14
6
21
19
17
15
13
5
CNA101
1 2 3 4 5 6
CNS511
6 - 2 3 - E
FROM MAIN PWB
7
8
CNSA103
CA196
CA188
1
RA429
RA426
PSA400
RA403
RA400
QA400
RA148
RA170
RA409
RA428
CA405
RA427
RA147
RA137
RA145
RA143
RA131 RA135
RA139
RA175
RA133
RA141
LA101
CA141
CA115
12
10
8
6
4
2
11
9
7
5
3
1
RA434
RA438
RA432
RA436
RA435
RA437
RA159
VRA101
CA103
RA109
RA105
CA105
RA107
CA104
RA108
CA102
CA133
CA100
RA104
7
VRA100
VRA100
R-CH OUTPUT
OFFSET
ADJUSTMENT
VRA101
L-CH OUTPUT
OFFSET
ADJUSTMENT
9
6 – 7
6 - 4 4 - C
TO POWER PWB
CNP934
CNSA104
5
4
3 2 1
6
BIA104
CA401
CA403
CA406
CA413
CA180
CA186
CA182
RA140
LA106
LA102
CA116
CA142
20
18
16
14
12
10
8
6
4
21
19
17
15
13
11
9
7
5
RA126
CA144
CA154
CA150
CA411
CA134
CA199
CA135
CA409
CXA100
CA410
1-BIT AMP. PWB-C
(BOTTOM VIEW)
10
SD-EX220H
1
LA400
RA130
RA172
CA114
2
3
1
4
3
2
1
11
12

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