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HCD-DZ265K/DZ266K/DZ270K/DZ570K/DZ777K
HCD-DZ265K/DZ266K/DZ270K/DZ570K/DZ777K
51
51
6-19. SCHEMATIC DIAGRAM – SCORE Board –
4.4
4.5
4.5
9
4.5
4.5
4.5
0
0.5
0
9
<0>
<2.9>
2.6
<0.4>
0
0<2.9>
4.9
0
0
9
0
0.3
0
16V
47
C302
16V
47
C305
16V
47
C308
100k
R305
1
C303
47k
R314
1k
R307
16V
47
C307
2.2k
R311
2.2k
R312
47k
R313
16V
47
C313
4
3
2
1
NJM2903M-TE2
IC303
4
3
2
1
NJM2903M-TE2
IC302
22k
R327
0.1
C306
0.1
C316
56k
R319
R329
10k
2.2k
R326
4.7k
R325
4.7k
R324
0.1
C315
4.7k
R323
4.7k
R322
4.7k
R330
0
R336
1k
R304
4.7k
R302
4.7k
R303
CL301
CL302
CL303
CL304
CL305
CL306
CL307
CL308
CL309
CL310
CL311
CL312
0.1
C301
100k
R306
330k
R309
R320
2.2k
10k
R328
25V
22
C314
470k
R310
1k
R308
4
3
2
1
100p
C310
100p
C309
MC2837
D302
MC2837
D301
MC2837
D304
1
C304
1
C311
1
C312
1
2
3
4
5
6
6P
CN301
MIC1+2
A-GND
A+9V
MUSIC
SCORE
XVOICE
MA2J1110GLS0
D303
0
R334
0
JR452
0
JR453
0
JR451
SCORE BOARD
SCORE DETECT
IC303
8
5
C
6
D
1
4
A
7
2
B
3
NJM4558M-TE2
IC301
AF AMP
IC301
SCORE DETECT
IC302