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Feb. 2005
CIRCUIT DIAGRAM (SW SHEET,GUITAR INPUT BOARD)
fig.SW-INPUT-SC
INPUT1(Hi-Z)
JK1
YKB21-5006
5
4
2
3
7
8
1
C12
0.1
to ANALOG
BOARD CN6
CN7
RIBON 6P
+
P_MUTE
A
C14
C15
10/16
10/16
PHONES
VR
VR18B
22
12
EVJC25 50kA L15
VR18A
EVJC25 50kA L15
A
+
R117
4.7k
C27
R120
4.7/25
4.7k
A
A
44
+9V
D60
NIU(1SS133)
D61
NIU(1SS133)
D62
L5
R104
C10
1SS133
0(BL02RN2)
10k
1/50
C11
100p
A
A
6
-
7
5
+
IC2B
M5238AP
A
PHONES
POWER(+12V)
R108 4.7k
R109 22k
C17
47p
C16
47/16
C19
6
-
10/16
7
A
5
+
IC3B
R103
NJM4556AM
100k
R113 4.7k
R114 22k
C23
47p
C22
47/16
C25
2
-
10/16
1
A
3
+
IC3A
R119
NJM4556AM
100k
+
EVJC25 50kA L15
-
C28
IC3C
10/16
NJM4556AM
+
A
A
+9V
C9
10/16
2
-
1
3
A
+
IC2A
GUITAR_IN
R105
M5238AP
1M
GUITAR_JK_SW
A
+9V
-
IC2C
M5238AP
+
A
C18
R110
100/16
100
R112
3
100k
Q3
DTC343TS TP
A
C24
R115
100/16
100
R118
3
100k
Q4
DTC343TS TP
A
VR18C
A
CN6
RIBON 5P
1
1
to ANALOG
2
2
3
3
BOARD CN2
4
4
5
5
R111
L7
47
0
C20
100p
L8
0
A
A
R116
L9
47
0
C26
100p
A
BR-1200CD
JK2
LGR6409-7100
2
4
PHONES
3
1
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