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1 2 3 4 5 6 7 8
IR1
VOUT
IR-RECEIVER
GND
VCC
VCC
D D
3
1
2
R15
10R
TUNER/AUX1
TAPE/AUX2
CD/AUX3
STANDBY
MONITOR
C8
10u 16V
R16
B3F-4055 B3F-4055 B3F-4055 B3F-4055 B3F-4055 10K
SW2 SW3 SW4 SW5 SW6
R24
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
1K
D9 D10 R25
1K
R26
D11 D12
1K R18 NC
VCC
VCC
C6
NC C7
C R34 R33 C
1K 100N VCC
1K
15
4
5
U4
SW7 87LPC764
1 10
VDD
VSS
P1.5/RST
VOLUME
B P1.2
11 9
P1.1/RXD P1.3/INT0
2 12 8
COM P1.0/TXD P1.4/INT1
13 C5 22p
P0.7
3 14 7
A P0.6 XTAL2
16 6
ENCODE-EC16 P0.5 XTAL1 X1
17
P0.4 12.0MHz
18 3
P0.3 P1.6
19 2
P0.2 P1.7
20 1
P0.1 P0.0
C4 22p
C3 C1 C2
100N 100N 100N
R21 R22 R23
VCC VCC VCC 1K 1K 1K
16
13
12
10
11
14
16
13
12
10
11
14
16
13
12
10
11
14
8
8
8
VCC
B B
U3 U2 U1
RCLK
RCLK
RCLK
VCC
VCC
VCC
E
E
E
SRCLK
SRCLK
SRCLK
SER
SER
SER
GND
GND
GND
SRCLR
SRCLR
SRCLR
74HC595
74HC595
74HC595
VCC
C9
Q7
O7
O6
O5
O4
O3
O2
O1
O0
Q7
O7
O6
O5
O4
O3
O2
O1
O0
Q7
O7
O6
O5
O4
O3
O2
O1
O0
10u 16V
R29 R31 R32
1K 1K 1K
15
15
15
9
7
6
5
4
3
2
1
9
7
6
5
4
3
2
1
9
7
6
5
4
3
2
1
7X470R
R3
R1
R7
R6
R5
R4
R2
VCC
VCC
VCC
VCC
R13 178R
10
R8 178R
6
7
8
9
R17 R14 R9 R10 R11 R12 Q1 Q2 PIN 1: CLOCK HC595
750R 178R 178R 178R 178R 178R BC850 BC850 PIN 2: LOAD HC595
DISP1 R30 R27 R28 PIN 3: SD HC595
D
E
C
B
COM2
DUAL_DISP 1K 1K 1K PIN 4: NC
10
11
12
13
14
1
2
3
4
5
6
7
8
9
VOLUME PIN 5: CLOCK POTM
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
D8 PIN 6: VCC
JP1 PIN 7: GND
STANDBY
COM1
A 14 HEADER VCC PIN 8: NC A
LED TUNER TAPE CD AUX1 AUX2 AUX3 MONITOR PIN 9: DATA POTM
DP
A
G
F
D6 D7 D1 D2 D3 D4 D5 PIN 10: NC
VCC LIGHT LIGHT LIGHT LIGHT LIGHT LIGHT LIGHT PIN 11: LOAD/SHIFT POTM
PIN 12: NC Title
5
4
3
2
1
PIN 13: NC DISPLAY
PIN 14: NC
Size Number Revision
EM1115-2
A3
Date: 13-Feb-2001 Sheet 1 of 1
File: E:\PRIMARE\A10\SCH\EM1115-2.SCH Drawn By: BN
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