Read Sony CDX-M730 Service Manual online
24
CDX-M730
Pin No.
Pin Name
I/O
Pin Description
104
DST SEL1
I
Destination select 1 signal input
105
DST SEL2
I
Destination select 2 signal input
106
BOOT
O
Display CPU write-in control signal output to sub system control (IC301)
107
S CODE1
I
Security code setting 1 signal input
108
S CODE2
I
Security code setting 2 signal input
109
S CODE3
I
Security code setting 3 signal input
110
S CODE4
I
Security code setting 4 signal input
111
CDM ON
O
CD mechanism power voltage control signal output
112
NCO
O
Not used. (Open)
113
NCO
O
Not used. (Connect to ground.)
114
TUN ON
O
Tuner ON control signal output
115
LED SW1
O
Front panel illumination control signal output to sub system control (IC301)
116
LED SW2
O
Control panel illumination control signal output to sub system control (IC301)
117
ADSO1
O
Not used. (Open)
118
ADSO2
O
Not used. (Open)
119
VSS
—
Ground pin
120
NCO
O
Not used. (Open)
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