Yamaha R S300, Service Manual

Page: 72 / 76

R3
10 ohms
D1
+3V
Q1
R1
1 ohm
R2
47 ohms
R4
U1
M34286G2GP
VSS
E2
E1
XIN
XOUT
E0
G0
G1
G2
G3
VDD
CARR
D0
D1
D2
D3
D4
D5
D6
D7
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
5.1 k-ohms
47uF 0.1uF
C1 C2
4.00MHz
X1
1 3
2
3
12
LINE 2
15
AM
23
33
MUTE
45
4
DIMMER
10
DOCK
13
FM
22
SHUFFLE
25
32
OPTION
43
6
SPEAKERS
B
9
CD
18
PRESET
21
INFO
27
30
42
39
1
SLEEP
8
TAPE
24
MENU
/ / / /
31
VOLUME
+
41
38
11
LINE 1
26
ENTER
34
VOLUME
-
44
5
SPEAKERS
A
7
PHONO
16
PRESET
19
TP
28
29
REPEAT
/RETURN
40
DISC SKIP
37
R5
0 ohm
In-system programming point
1
4 5 6
7 8 9
10 11
24
26 25 27
28
31
34
12
13 15
16 18
19
22
29 30
32
37 38 39
40 41 42
43 44 45
33
23
21
3
A B C D E F G H I J
1
2
3
4
5
6
7
72
R-S300
Key No. Function Custom Code Data Code
1 SLEEP 7A 30CE
3 7E 2AD4
4 DIMMER 7A 82FC
5 SPEAKERS A 7A 9A64
6 SPEAKERS B 7A 9B65
7 PHONO 7A 14EA
8 TAPE 7A 18E6
9 CD 7A 15EB
10 DOCK 7A01 4AB4
11 LINE 1 7A 19E7
12 LINE 2 7A C13F
13 FM 7A01 5826
15 AM 7A01 552B
16 PRESET 7F01 5E20
18 PRESET 7F01 5B25
19 TP 7A A55B
21 INFO 7A 2759
22 SHUFFLE 7F01 46B8
23 7F01 619F
24 MENU 7A 9D63
25 7A 9F61
26 ENTER 7A DE20
27 7A 9E60
28 7A 9C62
29
REPEAT/RETURN
7A AA54
30 7F01 659B
31 7A 1AE4
32 OPTION 7A 6B15
33 MUTE 7A 1CE2
34 VOLUME - 7A 1BE5
37 79 56
38 79 55
39 79 02
40 DISC SKIP 79 4F
41 79 04
42 79 07
43 79 01
44 79 05
45 79 06
SCHEMATIC DIAGRAM
■
REMOTE CONTROL
PANEL KEY NO. LAYOUT KEY CODE