Read Sony CDX-A250 / CDX-A250EE Service Manual online
31
CDX-A250/A250EE
Pin No.
Pin Name
I/O
Pin Description
64
CDON
O
Servo power supply control signal output H: power on
65
XUART
I
Sony-Bus/MC-Bus change signal input H: Sony-Bus, L: MC-Bus
66
ZMUTE
O
Zero detection mute signal output
67
MECON CHK
I
MECON rising detection signal input
68
CDON CHK
I
CDON rising detection signal input
69 to 74
NC
—
Not used. (Open)
75
RSTX
I
System reset signal input
76
NC
—
Not used. (Open)
77
X1A
—
Sub-clock connect pin Not used in this set. (Open)
78
X0A
—
Sub-clock connect pin Not used in this set. (Connect to Vss.)
79
VSS
—
Ground pin
80
X0
I
Main-clock connect pin (12 MHz)
81
X1
O
Main-clock connect pin (12 MHz)
82
VCC
—
Power supply pin (+3.3 V)
83
XWD
I
Not used in this set. (Open)
84
XINIT3
I
Not used in this set. (Open)
85
NC
—
Not used. (Open)
86
XSJIG
I
Not used in this set. (Open)
87 to 89
XINIT0 to 2
I
Not used in this set. (Open)
90 to 96
NC
—
Not used. (Open)
97
XDES
I
Mode select pin
98
XLINE
I
Not used in this set. (Open)
99, 100
NC
—
Not used. (Open)
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