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Oct.2001
CIRCUIT DIAGRAM (MAIN BOARD ASSY/ANALOG)
fig.analog
MIC IN
LINE IN
40
L49
N2012Z601T02
L9
JK1
N2012Z601T02
LGR4609-7100
2
4
3
1
N2012Z601T02
L43
L10
JK2A
N2012Z601T02
YKC21-3049
12
L
L11
N2012Z601T02
22
R
11
N2012Z601T02
L44
JK2C
YKC21-3049
A
R39
22k
C36
R44
R45
10/16
12k
18k
C38
0.0012
+
A
R57
22k
C49
R64
R65
10/16
12k
18k
C51
0.0012
+
A
R1
C1
0.01
100k
C190
100p
C3
R6
R5
10/16
1k
A
1k
30dB
R8
R9
150
47k
A
A
A
C8
R18
10/16
47k
C191
R21
100p
100k
A
A
C21
R30
10/16
47k
C192
R32
100p
100k
A
A
A
CN14
14FE-BT-VK-N
OUTPUT
R142
LEVEL
1k
C34
100p
C37
10/16
2
-
1
3
+
1
IC8A
UPC4570G
R143
R144
1k
10k
C48
C47
10/16
100p
1
6
R157
-
7
5
C171
+
100k
IC8B
UPC4570G
0.1
A
R2
68k
C2 10p
2
-
1
3
+
IC1A
UPC4570G
D2
+
1SS352
C193
10p
3
R15
47k
D3
1SS352
2
-
1
1
2
3
+
IC5A
UPC4570G
Q5
+
2SK880GR
C195
10p
D4
1SS352
R28
47k
-infini
6
-
7
2
1
5
+
IC5B
Q6
UPC4570G
2SK880GR
+
A
14dB
R38
47k
C31 10p
C32
100/16
2
-
1
C35
R37
3
+
+
10k
R42
10/16
IC4A
N.I.U
NJM4556AM
C39
Q14
N.I.U
2SC4213A
R53
47k
A
A
C43
10p
C44
100/16
6
-
7
R52
5
C46
+
+
10k
R59
10/16
IC4B
N.I.U
Q18
NJM4556AM
2SC4213A
R158
100k
C50
N.I.U
C167
0.1
A
A
R145
10k
A
D1
1SS352
3
Q2
2SK880GR
Q4
2SK880GR
R19
18k
C220
10/16
REC
LEVEL
R31
ty<-->+15dB
18k
C222
10/16
+ 5
A
R167
4.7k
C221
10/16
R168
4.7k
A
R40
1k
R46
1
10k
Q9
2SC4213A
A
R55
1k
R60
1
10k
Q11
2SC4213A
A
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