KEF PSW3500 - MCU Schematic

POWERED SUBWOOFER
22
SCHEMATICS DIAGRAMS
MCU
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U302 AT24C02-10PI
XTAL201
4MHz
R305
100K
C302
100n
R306
1M
Vss
1
Xin
2
Xout
3
TEST/V pp
4
P0.1/SO
5
P0.0/SCK
6
RESET
7
P3.0
8
P3.2
9
P2.0/AD0
10
P2.1/AD1
11
P2.2/AD2
12
P2.3/AD3
13
P2.4/AD4
14
P2.5/AD5
15
AVss
16
AVref
17
P2.6/AD6/SDAT
18
P2.7/AD7/SCLK
19
P1.3/INT1/PWM1
20
P1.2/INT0
21
P1.1/BUZ
22
P1.0/TO/ZCD
23
P3.3
24
P3.1
25
P0.7/AD11/PWM0
26
P0.6/AD10
27
P0.5/AD9
28
P0.4/AD8
29
P0.3/CLO/SDA
30
P0.2/SI/SCL
31
VDD
32
U301
KS86P4208
+5V
+5V
+5V
+5V
1 2 3 4 5 6 7 8 9 10 11
CN301
11P
C303
104
C304
104
C305
104
C306
104
C307
104
C308
104
C309
104
C310
104
C311
104
C313
47UF/16V
C314
47UF/16V
R301
10K
Q301
9013H
Q302
9012H
R302
4K7
R303
1K
MANLIAL
AUTO
SW202
SW2P2T
+5V
R304
10K
C301
470u/16V
LEVEL
+5V
R307
10K
SW201
SW2P2T
C330
47P
C331
47P
R312
1K2
Q304
9013H
RL301
REALY
+5V
R310
10K
LED1
DUAL/LED
R311
10K
+5V
Q305
9013H
3
2
1
8 4
U303A
BA4560
+15V
-15V
R313
1K
C318
100P
R314
51K
5
6
7
U303B
BA4560
R315
1K
R316
1M
C317
100P
D301
1N4148
C316
47UF/16V
IR
+5V
Eit IR
R404
3.9K
D302
1N4148
A
R407
3.9K
R405
20K
R406
1.8K
R401
3.9K
TO402
20KB
+5V
1
2
3
U502B
LM193
+5V
+5V
UP
DOWN
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