Sharp MD-DR470HS Service Manual page 35

1-bit portable minidisc recorder
Table of Contents

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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.
L813
R851
J801
C851
DC IN
L801
R816
R814
1
Q804
11
1
4
3
11
D801
C361 R361
L812
IC354
5
C353
1
CK416
C351
6
4
IC353
1
3
D351
1
IC351
5
10
7
R140
C133
24
25
20
IC101
30
35
40
36
8
37
CK108
C110
C109
MAIN PWB-A
(TOP VIEW)
7
J701
18
OPTICAL/LINE IN
5
1
1
R853
3
4
R723
2
C725
3
C723
L800
C712
C724
D802
2
6
Q711
C802
4
3
R806
2
IC803
1
C254
R893
3
48
4
C253
5
45
49
IC254
1
50
C908
55
1
IC601
60
64
5
11
FPG
1
CK82
R906
C907
C901
R422
50
51
45
40
35
30
R442
3
55
60
R405
2
IC401
65
70
TP201A
14
75
80
85
90
95
C357
76
R423
8
1
C221
R135
CK218
R137
R134
13
CK217
R133
15
12
R131
10
CK113
R132
C103
5
C102
45
1
CK111
48
CK112
C106
1
P36 5 - A
TO OPTICAL PICKUP UNIT
8
9
Figure 35 WIRING SIDE OF P.W.BOARD (2/3)
J702
21
MIC IN
C703 R703
C733
15
11
C722
C734
1
10
L711
R712
16
IC701
3
20
6
C721
1
5
R711
C503
C510
L713
R725
2
4
C509
Q721
8
1
5
C731
IC501
10
15
C726
C911
9
16
C912
R404
33
40
35
32
1
30
R463
25
20
11
17
10
15
16
C750
R827
R852
FP30
CK807
R821
1
26
5
C854
20
25
6
R823
IC821
R824
CK208
20
10
16
CK209
11
15
15
R822
10
C822
FP10
XL401
4
1
5
IC431
2
3
1
5
4
C431
C870
R415 R412
100
R870
R161
1
R414
8
IC402
TP411A
R416
22
CN101
C241
1
15
5
6
IC245
4
10
1
3
8
IC244
C242
4
6
1
15
1
3
5
6
4
10
8
1
3
IC242
IC243
22
10
– 35 –
MD-DR470H/MD-DR480H
J703
REMOTE CONTROL/HEADPHONES
2
7
8
6
5
L457
3
L458
L456
D491
4
17
15
Q751
Q752
Q761
Q762
R403
7
8
10
5
14
1
20
8
7
14
10
5
14
1
19
20
11
R826
15
IC813
R825
C823
R833
5
10
1
1
FPV
C812
CK806
CK7
C402
5
Q843
R819
Q809
C818
R284
R257
R258
16
C273
C274
9
R891
4
5
16
1
3
R276
IC271
C272
9
BATTERY TERMINAL, + (212)
11
SW401
EJECT
BATTERY TERMINAL, – (219)
12

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