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Control Part
1 2 3 4 5 6
D D
+5V
37
38
39
40
41
42
43
44
IC1 R7 C2
51K 47U/ 1 6V
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
28 52
10
SEG20 OSC
4
5
6
7
8
9
29
SEG19
30 45
SEG18 VDD C Z1
31 33
SEG17 VDD 6PIN
G1
G2
G3
G4
G5
G6
G7
17 32 14
P16 SEG16 VDD
18 35
P15 SEG15 1
16 19 36 5 R EMOTE
NC P14 SEG14 DOUT 2
15 20 27 6
NC P13 SEG13 DIN 3
14 21 26 8
NC P12 SEG12 C LK 4
13 22 25 9
NC P11 SEG11 STB 5
12 23 24
NC P10 SEG10 6
11 24 23
NC P9 SE G9
33 25 22 UPD16 311 34
C NP P8 SE G8 VEE C
3 26 21 51
NP P7 SE G7 VSS
27 20
P6 SE G6
35 28 19
F2 P5 SE G5
F2 34 29 18 1
F2 P4 SE G4 SW 1 R9 R 10 R6
30 17 2
P3 SE G3 SW 2 10K 10K 10K
2 31 16 3
F1 P2 SE G2 SW 3
F1 1 32 15 4
F1 P1 SE G1 SW 4
KE Y4
KE Y3
KE Y2
KE Y1
LE D1
LE D2
LE D3
LE D4
LE D5
IC2 R8
NC
GVGD D7 D6 D5 D4 D3 D2 D1 10K
1N4148 1N4148 1N4148 1N4148 1N4148 DIODE 1N4148 -27V C1 +5V
47U/ 5 0V
13
12
11
10
7
50
49
48
47
46
LL
K11 K14 K17 K16 K2 K1 K8
KEY KEY KEY KEY KEY KEY KEY R 11
R4 220E NO USE
10k
+5V 3
VCC
R EMOTE
2
LE D2 SIG
1
GND
C N302
B F2 RE M B
1
K12 K15 K19 K18 K4 K3 K9 F1
2
KEY KEY KEY KEY KEY KEY KEY GND
R2 3
10k +5V -27V
4
4PIN
+5V R5 LE D1
220E
K13 K16 K21 K22 K6 K5 K10 LL
KEY KEY KEY KEY KEY KEY KEY
R3
10k R 12
220E
LE D2
K23 K24 POW E R K7
KEY KEY KEY KEY
R1
10k
COMPANY GVG TITLE GV-DCB910
A
FILE REV A/0 A
SHEET: SHEET OF DATA 2001.07.01
DESIGN DRAWN BY CHECKED BY APPROVED BY
1 2 3 4 5 6
36
Ear Part
1 2 3 4 5 6
Q4 VCC
C18 15
+5V
R 30
D 1/ 2VCC 1. 5K D
VCC U1A D1
*R3 1/ 2VCC 5. 6V C 32
*R b1 1K VCC 22uF/ 16V
8
1K C1
2.2uF50V
8
2 3 UJM45 58 C7 *R9
5 R1 1 1K U2A 1/ 2VCC
4 1K 2 VR 1A 3
8 4. 7uF/ 16V C9 1 U2B
7 R7 2 5
3 C3 10K C X1 7
4
1 100 0P 1uF/ 50V UJM45 58 R 11 6
A2 0K 15K
4
MIC1 10uF/ 16V UJM4 5 58
C K-6.35 R5 C 12
R 13
33K R 10 R 12
C5 1K
51K 47K 10uF/ 16V
C 11
1/ 2VCC 100P R8
10K C 13
C 10 0. 4 7uF/ 16V 100P
C 100P R 14 C
*R4 VR 1B 22K
*R b2 1K R 15
1K 15K R 25
C2 U1B 10K MIC OUT JP1
1 4 P2D54
2 5 C8 GND
R2 A2 0K 2
5 7 +1 2V
3
4 2.2uF50V 1K 6
4
8 4. 7uF/ 16V
7 C4 UJM45 58
3 100 0P
1
C 15
R6 220uF/ 16V
MIC2 33K R 17 R 18 C 14
C K-6.35 10K 12K 4. 7uF/ 16V
270P C 22 3. 3uF/ 16V R 24
C 16 470 0P C 23 10K
C6 R 31
100P U3 C 21 33E
+5V 18K 1 16 560P C 24
R 16 2 15 0.056u C 26 VR2
ES56033
3 14 390 0P C20K VCC
B VCC 4 13 B
5 12 C 25 C 36
C 18 6 11 0.056u R 19 0. 1u
10K
C 17 0. 1u 7 10 C 34
100uF/ 10V 8 9 220uF/ 16V
10K R 20
*R 26 R 27 R 28 R 32
C19
47K 47K 10K C 20 C 27 22K
R 22 5. 6K 560P C 30
15K R 21
0. 1u 0. 1u 470 0P
C 28
470 0P 1/ 2VCC
Q2 C 29
1015A 22uF/ 16V R 23 R 33
4. 7K 22K
Q3 C 33
C18 15 100uF/ 16V C 35
*Q1 R 29 0. 1u
C18 15 C 31 47K
10uF/ 16V
A A