Remote Control - Yamaha DVX-700 Service Manual

A
DVR-700/NS-PSW700/NS-P700

■ REMOTE CONTROL

1
SCHEMATIC DIAGRAM
2
R1
2 ohms (1/4 W)
D1
MIE-554A2
R2
27 ohms
Q1
2SC3440-T112
D2
3
C3
0.1 μF
PANELS
4
U, C models
5
6
7
118
B
1 P0D2
2 P0D3
3 P1B0/INT
4 P0E0
5 P0E1
2
1
6 P0E2
3
SW1
7 P0E3
8 REM
C2
9 VDD
0.1 μF
10 XOUT
X1
11 XIN
T1
4MHz
12 GND
13 RESETPU
14 P1A0
15 P1A1
C
<JP1 ∙ JP2>
JP1 X
JP2 X
IC1
JP1 JP2
P1A2 30
P0D1 29
P0D0 28
P0C3 27
P0C2 26
P0C1 25
P0C0 24
P0B3 23
8 16 24
P0B2 22
7 15 23
P0B1 21
6 14 22
P0B0 20
5 13 21
P0A3 19
4 12 20
P0A2 18
3 11 19
P0A1 17
2 10 18
P0A0 16
0 9 17
T2
A, L, V models
D
+
C1
3.0V
47μF
T3
32 40 48
31 39 47
KEY No.
30 38 46
29 37 45
XX =
28 36 44
27 35 43 51
26 34 42 50
25 33 41 49
G, F models
E