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A
1
REMOTE CONTROL TRANSMITTER
SCHEMATIC DIAGRAM
VCC
2
Q1
2SD1781KR
DC3V B1
3
+
C1
47µF/16
4
5
6
7
B
1
KI/O6
2
KI/O7
3
S0
4
S1
R2
5
REM
220Ω
6
VDD
7
X OUT
X1
8
X IN
455kHz
9
GND
C4
10
RESET
0.1µF
TRANSMISSION FORMAT: NEC-FORMAT
CUSTOM CODE (HEX): 78
Key
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C
29
30
31
25
26
27
21
22
23
20
KI/O5
17
18
19
19
KI/O4
13
14
15
18
KI/O3
9
10
11
17
KI/O2
16
5
6
KI/O1
15
KI/O0
1
2
14
KI3
13
KI2
12
KI1
11
KI0
Key
Data Code
Key
Name
(HEX)
No.
POWER
0F
21
1
11
22
2
12
23
3
24
13
4
25
14
5
26
15
6
16
27
7
17
28
8
18
29
9
30
19
0 (FREQ/RDS)
31
10
+10 (MODE)
32
1A
+100 (START)
33
1D
REP (A)
0C
34
RANDOM (B)
07
35
PROG (C)
0B
36
D
37
09
TEXT/TIME
38
0A
R. TIME (E)
39
08
W / D
02
D
RX-E200
32
28
24
20
16
39
12
38
37
7
8
36
35
3
4
34
33
Key
Data Code
Name
(HEX)
T E
04
01
A
R Y
03
TAPE DIRECTION
43
N PRESET
1C
TUNER
4B
PRESET B
1B
MD
57
CD
4A
TAPE
41
AUX
49
MD REC/PAUSE
58
TAPE REC/PAUSE
46
MODE
05
START
06
SLEEP
4F
VOLUME B
1E
DISPLAY
4E
VOLUME N
1F
E
29
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