Remote Control - Yamaha R-S300 Service Manual

A B
R-S300

■ REMOTE CONTROL

1
SCHEMATIC DIAGRAM
In-system programming point
+3V
R3
10 ohms
R2
2
47 ohms
D1
R4 5.1 k-ohms
R1
1 ohm
3
Q1
X1
4.00MHz
1 3
C1 C2
47uF 0.1uF
2
4
5
6
7
72
C D
SPEAKERS SLEEP SPEAKERS
B
3 6 1 5
LINE 2 CD TAPE LINE 1 PHONO
12 9 8 11 7
AM PRESET PRESET
U1
1 20 15 18 16
VSS VDD
2 19 INFO
E2 CARR
3 18
E1 D0 23 21 19
4 17 / /
XIN D1 ENTER
MENU
5 16
XOUT D2
27 24 26 28
6 15
E0 D3
MUTE VOLUME VOLUME REPEAT
/RETURN
7 14 + -
G0 D4
8 13 33 30 31 34 29
G1 D5
9 12
G2 D6
10 11
39 38 37
G3 D7
DISC SKIP
M34286G2GP
45 42 41 44 40
E F
PANEL
DIMMER
A
4
DOCK
R5
10
FM
0 ohm
13
TP SHUFFLE
22
/ /
25
OPTION
32
43
G H I
KEY NO. LAYOUT KEY CODE
Key No. Function
1 SLEEP
3
1 3
4 DIMMER
5 SPEAKERS A
4 5 6
6 SPEAKERS B
7 8 9
7 PHONO
8 TAPE
10 11 12
9 CD
10 DOCK
13 15
11 LINE 1
16 18
12 LINE 2
13 FM
19 21
15 AM
16 PRESET
22 23
18 PRESET
24
19 TP
25 26 27 21 INFO
22 SHUFFLE
28
23
29 30
24 MENU
25
31
26 ENTER
32 33
27
34
28
REPEAT/RETURN
29
37 38 39
30
40 41 42
31 VOLUME +
32 OPTION
43 44 45
33 MUTE
34 VOLUME -
37
38
39
40 DISC SKIP
41
42
43
44
45
J
Custom Code Data Code
7A 30CE
7E 2AD4
7A 82FC
7A 9A64
7A 9B65
7A 14EA
7A 18E6
7A 15EB
7A01 4AB4
7A 19E7
7A C13F
7A01 5826
7A01 552B
7F01 5E20
7F01 5B25
7A A55B
7A 2759
7F01 46B8
7F01 619F
7A 9D63
7A 9F61
7A DE20
7A 9E60
7A 9C62
7A AA54
7F01 659B
7A 1AE4
7A 6B15
7A 1CE2
7A 1BE5
79 56
79 55
79 02
79 4F
79 04
79 07
79 01
79 05
79 06