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MD-DR470H/MD-DR480H
MAIN PWB-A
MAIN PWB-A
A
PLAYBACK SIGNAL
RECORD SIGNAL
B
C
D
E
F
G
CN101
1 2 3 4 5 6
FLEXIBLE
PWB
OPTICAL PICKUP
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
1
CK111
CK112
CK113
CK114
C102
0.1
C103
1
+B
+B
+B
2
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
OPIC
2
Figure 26 SCHEMATIC DIAGRAM (1/8)
C109
C111
C112
1
0.033
C107
C106
1
0.033
48
47
46
45
44
43
42
1234
RF1
1
R
RF2
2
and
SW
RF3
3
DIFF
RF4
4
REFI
5
TP144
6
IC101
REFO
AOUT
IR3R58M
7
BIAS
RF SIGNAL
R131
8
PROCESSOR
ASW
120K
AIN
9
BIN
10
R133
11
BSW
120K
12
13
14
15
16
17
18
19
R136
R138
390K
390K
+B
R161
1.2K
T–
C165
T+
0.033
F–
F+
TP122
L171
10 µH
TP105A
+B
3
4
– 26 –
IC243~IC245: MPX.
R233
100
+B
+B
1
C110
0.22
C108
1
EFM
CK139
41
40
39
38
37
C131
2-1
36
0.1
ADAGI
35
C132
34
ADAGC
0.22
8
ADIPNF
33
CK108
WB
ADIPO
32
GND2
31
WBO
C113
30
1
VCC2
29
OPICPW
SW
28
DISC
MODE
27
DISC
CK102
SGAIN
SGAIN
26
TEMP
25
20
21
22
23
24
R140
680K
TP100
LDVAR
LDON
OPICGA
TP487
+B
TP487A
5
+B
IC243
NC7SZ157P6X
1
6
1
S
+B
2
G
V
5
0
3
4
Z
IC245
NC7SZ157P6X
1
6
1
S
2
G
+B
V
5
0
C233
3
4
Z
470P
IC244
NC7SZ157P6X
1
6
1
S
2
G
V
5
+B
0
3
4
Z
+B
+B
+B
3
FOK
SENSE
CIN
DINT
C203
+B
0.1
XRT
SYD0
R204
1K
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYD7
SYWR
SYRD
SYRS
+B
+B
6
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