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CIRCUIT DIAGRAM - CONTROL BOARD
1
DP301
A
26
SG12
25
SG11/KS11
24
SG10/KS10
23
SG9/KS9
22
SG8/KS8
21
SG7/KS7
IC301
20
SG6/KS6
19
VDTR63111
SG5/KS5
18
(VDTR6311A /PT6311)
SG4/KS4
17
SG3/KS3
16
SG2/KS2
15
SG1/KS1
14
VDD
10K
R329
GND
D303
1N4148 NC
B
R316
10K
10K
R317
R318
10K
GND
TA301
TA303
stop
paus e
D305
1N4148
TA302
TA304
D307
1N4148
vol +
vol -
1
5-2
2
3
GND
ZD301
R301
R302
R305
5.6V
1K
1K
22K
GND
R303
10
SN301
C307
C301
C311
104
104
100U F
R322
10K
R932
GND
10
40
GR5
41
C316
GR4
42
221
GR3
43
GR2
44
GR1
45
GND
VDD
B5V
46
PSW
47
R308
LED4
48
560 NC
LED3
49
LED2
50
LED1
51
GND
52
OSC2
R306
R307
2.2K
22K
C305
XL301
151
C304
104
455K
C306
151
GND
R311
R309
R310
STANDBY
B5V
TA305
open /close
TA306
source
GND
2
3
4
R463
MIC OUT
1K
VR1
RB303
GND
1
AC1
2
AC2
GNDA
3
GND
4
-27V
7Pin 2.0m m
5
B5V
6
7
MIC OUT
RB302
I2C_DATA
10
I2C_CLK
9
LED1
8
ST_MUTE
7
IR
6
LED2
5
VFD-DA
4
VFDCLK
3
VFDCE
2
GND
1
11P in 2.0m m
C310
C322
104
104
100
100
100
R304
Q301
3.3K
A733 NC
RB301A
RB301B
1K
R319
4
4
3
3
2
2
1
1
4Pin 2.0m m
4Pin 2.0m m
GND
4
5-2
5
6
CN101
1
2
LI0
JK551
5
NC
10UH
4
2
C82
3
R52
6
101
NC
7
1
GNDA
LD301
PGND
R315
TA308
C319
C320
10K
33P
33P
PGND
5
6
C302
A3
C303
A3
C304
B3
C305
B2
C306
B2
C307
A3
C309
A3
C310
B3
C311
A3
C312
A3
C313
B3
C314
B3
C315
B3
C316
A3
C319
B5
A
C320
B5
C633
B2
C634
B2
C635
B1
C82
A5
D303
B1
D305
B1
D307
B1
DP301
A1
IC301
A2
LD301
B5
Q301
B4
R301
A3
R302
A3
R303
A3
R304
B4
R305
A3
R306
B3
R307
B3
R308
B3
R309
B3
R310
B3
R311
B3
R315
B5
R316
B1
R317
B1
B
R318
B1
R319
B4
R322
A3
R326
B3
R932
A3
RB301A
B4
RB301B
B5
RB302
A5
RB303
A4
SN301
A3
TA301
B1
TA302
B1
TA303
B2
TA304
B2
TA305
B2
TA306
B2
TA308
B5
XL301
B2
ZD301
A3
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