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Circuit Diagrams and PWB Layouts
10.
Extension Board: Speaker switch
5
4
3
2
1
D
C
B
A
A
+12V_SW
SPKL
O
+
SPKLO+
IN
T
R
+
INTL+
INTR+
SPKRO-
IN
TL
+
SPKLO-
SPKRO-
EXTL+
EXTL+
EXTR+
SPKR
O
+
SPKLO-
SPKRO+
EXTR+
+12V_SW 4,6,9,11
SPKRO+ 6
SPKLO- 6
SPKLO+ 6
SPKRO- 6
SPK_SW
9
+12V_SW
AGND
AGND
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Check:
Approval:
Draw:
No.361,5F.,Fu-Sing 1 Rd.,Gueishan Hsiang, Taoyuan, Taiwan
TechView International Technology Inc.
Tel :+886-3-3287088
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B2A
09.SPEAKER SW
A4
7
11
Friday, January 09, 2009
<Doc>
Standard Circuit Design
<PCB Name>
<Rev>
DIP Package : 5110_4pin
Cancel AGND 0325
GND_SIGNAL change to AGND 3/26
GND_SIGNAL change to AGND 3/26
R404
1K/6
C220
4
7
0
p
F
/6
LS1
RELAY DPDT
4
6
8
13
11
9
1
16
1
S3
MTH315D138
2
3
4
5
6
7
8
9
1
10
C217
4
7
0
p
F
/6
A
B
C
D
CN5
TEKCON_5110-855-310-52_4P
A
1
C
3
B
2
D
4
G
5
G
6
1
S4
MTH315D138
2
3
4
5
6
7
8
9
1
10
L57
NC
CN6
EIC_4606-04
4
3
2
1
R398
0R/1206/NC
C219
4
7
0
p
F
/6
R401
0R/1206/NC
R400
NC
1
S2
MTH315D138
2
3
4
5
6
7
8
9
1
10
L56
121A4/8
C218
4
7
0
p
F
/6
R399
0R/1206/NC
R402
0R/6
Q49
MMBT3904
3
1
2
R403
0R/1206/NC
1
S1
MTH315D138
2
3
4
5
6
7
8
9
1
10
1
8
4
3
0_527_090204.ep
s
090204