Remote Control Transmitter - Yamaha MDX-595 Service Manual

A
1

REMOTE CONTROL TRANSMITTER

SCHEMATIC DIAGRAM
2
IED1
Q1
X1
3
455KHz
R1 C3
3(V)
2.2Ω 47µF
C2
220pF
4
5
6
7
B
IC1
1 20
KI/O8 KI/O5
2 19
KI/O7 KI/O4
3 18
SO KI/O3
4 17
SI/LED KI/O2
5 16
REM KI/O1
6 15
VDD KI/O0
7 14
XOUT KI3
8 13
XIN KI2
9 12
VSS
KI1
10 11
RESET KI0
C1
220pF
C
K1 K3 K4
K5 K6 K7 K8
K9 K10 K11 K12 K41
K49
K21 K22 K23 K24 K53
K25 K26 K27 K57
CUSTOM CODE
HEX C0 C1 C2 C3 C4 C5 C6 C7
79 1 0 0 1 1 1
D
MDX-595
K38 K39 K40
K42 K43 K44
K46 K47 K48
K50 K51 K52
K54 K55 K56
K58 K59
D1
D2
D3
D4
1 0
66
E