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SCHEMATIC DIAGRAM-4
A
To
FL CIRCUIT(FW602B)
on SCHEMATIC DIAGRAM-2
8
7
6
5
4
3
2
1
FW602A
F
E D
C B A
R903
120K
L401
A
B
C
F
E
C
B
A
D
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
B
C287
33P
R298
C289
R291
470
16V10
18K
C
9.4V
0V
8
7
IC281
1
2
0V
0V
E
R297
C288
R290
470
16V10
18K
D
C286
33P
A
5.1V
IC401
C2BBFD000246
SYSTEM CONTROL
5.1V
Vcc
1
5.1V
VREF
2
R402
100K
AVss
3
R414
1K
0V
NJ ST
4
R415
1K
0V
5
ECK/ NJCK
R411
1K
0V
EDA/ NJDT
6
R410
220
4.6V
DCS
7
R409
220
0V
SENSE
8
R417
220
4.8V
DACK
9
R408
220
0V
10
DCK
R407
220
0V
DDO
11
R406
220
0V
DDI
12
NODSW3
13
R430
10K
5V
NODSW2
14
15
GND
R431
10K
0V
SW1
16
ECS
17
4.8V
RESET
18
X401
(8MHz)
1
2.2V
X IN
19
2
R403
680
2.2V
20
X OUT
3
Vss
21
:CD PLAYBACK SIGNAL LINE
IC281,282
NJM4558MTE1
BUFFER AMP
C281
33P
R288
R285
18K
13K
0V
9.4V
0V
0V
6
5
8
7
6
IC282
3
4
1
2
3
-10.4V
0V
0V
R289
R284
R282
18K
13K
56K
C282
1000P
A
42
B
41
INH
40
39
38
EXP26
37
0V
DO
36
5V
CK
35
5V
CS2
34
5V
RST2
33
5V
CS1
32
5V
RST1
31
EXP27
30
0V
EXP11
29
EXP12
28
EXP13
27
4.8V
EXP14
26
0V
EXP15
25
1.7V
P-P
R419
1K
5V
F=4MHz
EXP16
24
1.9V
EXP17
23
P-P
R432
1K
F=4MHz
5V
EXP18
22
R292
N
M
82K
R293
82K
R286
22K
A
5
4
-10.4V
R287
22K
B
A
D
C
C
H
B
E
R424
1K
O
R421
100
F
R420
1K
E
D
B
A
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