Remote Control Transmitter - Yamaha CRX-E400 Service Manual

A
1

REMOTE CONTROL TRANSMITTER

SCHEMATIC DIAGRAM
VCC
2
Q1
2SD1781KR
DC3V B1
3
+
C1
47µF/16
4
U, C, R, A models
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
B, G models
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
TRANSMISSION FORMAT: NEC-FORMAT
CUSTOM CODE (HEX): 78
Key Key Data Code
No. Name (HEX)
1 POWER 0F
2 1 11
3 2
12
4 3
13
5 4
14
6 5
15
7 6 16
8 7 17
9 8 18
10 9
19
11 0 (FREQ/RDS)
10
12 +10 (MODE)
1A
13 +100 (START) 1D
14 REP (A) 0C
15 RANDOM (B) 07
16 PROG (C) 0B
17 D
09
18 TEXT/TIME
0A
19 R. TIME (E)
08
20 W / D 02
D
RX-E400
32
28
24
20
16 39
12 38 37
7 8 36 35
3 4 34 33
Key Key
Data Code
No. Name
(HEX)
21 04
T E
22 01
A
23
R Y 03
24 TAPE DIRECTION
43
25 N PRESET
1C
26 TUNER
4B
27 PRESET B
1B
28 MD 57
29 CD 4A
30 TAPE
41
31 AUX
49
32 MD REC/PAUSE
58
33 TAPE REC/PAUSE
46
34 MODE 05
35 START 06
36 SLEEP 4F
37 VOLUME B
1E
38 DISPLAY
4E
39 VOLUME N
1F
E
29