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Remote Control - Yamaha A-S2100 Service Manual

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■ REMOTE CONTROL

1
SCHEMATIC DIAGRAM
+3V
no use
VDD
R3
R4
10 ohms
E2
5.1K ohms
D1
R5
R6
22K ohms
22K ohms
C1
47 uF
R1
1 ohm 1/4W
2
2
3
R2
Q1
19
100 ohms
20
C2
1
0.1 uF
4
5
VSS
6
7
XIN
3
8
X1
4.0 MHz
4
5
6
7
C
D
CD
SOURCE
U1
M34286G2GP
K29
K13
K25
VOLUME
18
E2
D0
-
17
K32
K24
E1
D1
PHONO
16
CARR
D2
15
K10
VDD
D3
LAYER
LINE
14
2
VSS
D4
13
K30
K9
K27
XIN
D5
VOLUME
12
XOUT
D6
+
11
K31
K28
E0
D7
MUTE
10
G0
G3
9
K33
K26
G1
G2
MAIN
DIRECT
K12
G1
E
F
PANEL
PRESET
K19
OPEN/
BAND
CLOSE
K2
K17
AMP
K1
PRESET
K21
LINE
1
K7
BAL
K5
CD
TUNER
K3
K15
G0
G
H
KEY NO. LAYOUT
KEY CODE
Key
Key Name
Customer
No.
1
AMP
1
2
3
2
OPEN/CLOSE
3
CD
5
5
BAL
7
LINE1
7
9
9
LINE2
10
12
10
PHONO
12
MAIN DIRECT
13
15
13
CD
15
TUNER
17
17
BAND
19
21
19
PRESET
21 PRESET
24
(pause)
24
25
(skip-)
26
(play)
25
26
27
27
(skip+)
28
(stop)
28
29 SOURCE
29
30
30 LAYER
31 VOLUME+
31
32 VOLUME-
33 MUTE
32
33
I
J
A-S2100
Mode-1
Mode-2
Customer
Data code
Data code
code
code
7E
2AD4
7E
2AD4
79
01
79
01
79
60
79
60
7D
8C
7A
651B
7D
8A
7A
C13F
7D
8B
7A
18E6
7D
88
7A
14EA
7D
C0
7A
8779
7D
87
7A
15EB
7D
89
7A
16E8
7A
AE
7A
AE
7A
11
7A
11
7A
10
7A
10
79
55
79
55
79
04
79
04
79
02
79
02
79
07
79
07
79
56
79
56
79
6F
79
6F
79
6D
79
6D
7D
8D
7A
1AE4
7D
8E
7A
1BE5
7D
94
7A
1CE2
113

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