Gui Remote Control Schematic Diagram - Yamaha RX-Z9 Service Manual

A B
RX-Z9/DSP-Z9
GUI REMOTE CONTROL
1
SCHEMATIC DIAGRAM
C2
3V
0.1µF
1
VSS VDD
2
E2 CARR
X1
3
E1 D0
4MHz
2
4
X IN D1
T1
5
X OUT D2
6
E0 D3
7
G0 D4
8
G1 D5
9
G2 D6
10
G3 D7
3
4
5
190
6
C
C1
47µF D1
MIE-544A2
R1
2Ω
Q1
20
R2 2SD1781K
19
27Ω
K1 K9 K17 K25 K33
18
K2 K10
T2
17
K3 K11
16
15
K4 K12
14
K13
13
12
11
Key
Function Data
No.
1 UP 7A-9D
2 STANDBY/ON 7A-1E
3 TOP 7A-A0
4 VOLUME UP 7A-1A
9 LEFT 7A-9F
10 SYSTEM POWER 7A-1D
11 EXIT 7A-A1
12 VOLUME DOWN 7A-1B
13 MUTE 7A-1C
17 RIGHT 7A-9E
25 DOWN 7A-9C
35 ENTER 7A-DE
D
RX-Z9/DSP-Z9