GD-1300 CIRCUIT DIAGRAM 7 - 2
+5V
AG
AG
AG
+5V
AG
+5V
+5V
Vr
ef
AG
+5V
AG
Vr
ef
Vr
ef
Vr
ef
+5V
+5V
AG
AG
GN
D
AG
AG
VOL_B
VOL_A
V
O
LCNT_A
V
O
LCNT_B
SPMUTE
BZ
VOL_
C
SPOUT
C142 A4.
7uF/
50
V
R165 4.
7k
TP298
TP296
R161
33K
IC
11
BU4051BC
F
X0
13
X1
14
X2
15
X3
12
X4
1
X5
5
X6
2
X7
4
INH
6
A
11
B
10
C
9
X
3
VDD
16
VEE
7
VSS
8
IC
10
BU4051BC
F
X0
13
X1
14
X2
15
X3
12
X4
1
X5
5
X6
2
X7
4
INH
6
A
11
B
10
C
9
X
3
VDD
16
VEE
7
VSS
8
TP294
TP341
R153
62K
C137 0.
1uF
R155
200K
TP311
TP313
C132 0.
1uF
TP306
R156
18K
R168
3.
3K
R177 22k
TP295
R152
4.7
k
TP331
TP338
IC
12
NJM2113M
4
3
7
8
5
1
2
6
TP310
TP309
TP305
TP292
C136 4700pF
R180
200K
C143 A4.
7uF/
50
V
TP297
TP301
CN
3
B
2B
-P
H-K-S
1 2
TP316
R164
56
k
R157
5.
1k
R167
1K
C134 0.
1uF
C135 0.
1uF
R151
4.7
k
R166
56
k
R170
56
k
R173 10K(
N
.M
.)
TP312
TP337
R154
4.7
k
R158
3.
3K
TP304
R160
100K
TP308
C133 0.
1u
F
TP300
R169
56
k
R172
20k
TP302
TP315
R171 1.
6k
C145 100pF
C139 2200pF
TP314
C141 A4.
7uF/
50
V
R163 4.
7k
TP293
R159
10k
R174
1k
ZD
6
HZS
2C
1
C138 0.
1uF
TP307
TP303
R179
100k
TP299
R162
1M
R181
0R
TP322
R176
3.
3k
C144
A
4.7
uF
/5
0V
FAX
MAIN
PWB
(SPEAKER)
(North
America)
2/6
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A