Remote Control; Schematic Diagram; Panels - Yamaha CRX-140 Service Manual

A

■ REMOTE CONTROL

1

SCHEMATIC DIAGRAM

VCC
R3
10ohms
D1
2
IR DIODE
R1
1ohm
SCLK
SI
R2
Q1
VDD
47ohms
3
X1
4.0MHz
+
C1
1
47uF
2
4

PANELS

U, T, K, A, B, G, L, V models
5
6
7
B
These PADs are test point for ISP in the production line
U1
uPD6P8AMC-5A4-E1-A
1 20
KI/O6 KI/O5
SO
2 19
KI/O7 KI/O4
3 18
S0 KI/O3
4 17
S1/LED KI/O2
5 16
REM KI/O1
6 15
VDD KI/O0
7 14
XOUT KI3
8 13
XIN KI2
GND
9 12
GND KI1
VPP
10
11
3
S2 KI0
C D
CRX-040/CRX-140/NS-BP80
30 15
34 1
36 6
32 5
31 4
35 3
2
33 17
J model
E
11 18 26
12 16 23
10 38 25
9 39 28
8 19 27
7 37 22
13 21 24
14 20 29
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