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Circuit Diagrams and PWB Layouts
Extension Board: Speaker switch
5
D
+12V_SW
R404
1K/6
2
9
SPK_SW
C
Q49
MMBT3904
AGND
GND_SIGNAL change to AGND 3/26
S1
10
2
9
3
8
B
1
4
7
5
6
1
MTH315D138
A
QCG1.0S LA
10.
4
L56
121A4/8
L57
NC
SPKRO+
R398
SPKLO+
R399
R400
NC
R401
0R/1206/NC
R402
0R/6
R403
0R/1206/NC
LS1
RELAY DPDT
INTR+
INTL+
EXTR+
EXTL+
S2
10
S3
2
9
2
3
8
3
1
1
4
7
4
5
6
5
1
MTH315D138
MTH315D138
EN 63
3
SPKLO-
SPKLO+ 6
SPKLO- 6
SPKRO-
SPKRO+ 6
SPKRO- 6
0R/1206/NC
EXTR+
0R/1206/NC
SPKRO-
EXTL+
SPKLO-
4
3
2
1
CN6
AGND
EIC_4606-04
GND_SIGNAL change to AGND 3/26
10
S4
10
9
2
9
8
3
8
1
7
4
7
6
5
6
1
1
MTH315D138
2009-Feb-20
2
1
CN5
1
A
5
G
A
C
3
C
2
B
B
D
Cancel AGND 0325
6
G
4
D
TEKCON_5110-855-310-52_4P
DIP Package : 5110_4pin
+12V_SW
+12V_SW 4,6,9,11
TechView International Technology Inc.
No.361,5F.,Fu-Sing 1 Rd.,Gueishan Hsiang, Taoyuan, Taiwan
Title :
09.SPEAKER SW
Document Number:
SCH File Name :
Standard Circuit Design
R ev:
P
C
B
i F
e l
N
a
m
e
:
<PCB Name>
P
C
Approval:
Check:
Draw:
D
t a
: e
Friday, January 09, 2009
S
h
e
t e
7
A
Tel :+886-3-3287088
Fax:+886-3-3288066
<Doc>
B2A
Size :
A4
B
R
e
: v
<Rev>
o f
11
18430_527_090204.eps
090204
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