Read Sony MDX-CA790X Service Manual online
38
MDX-CA790X
Pin No.
Pin Name
I/O
Description
59
NC
O
Not used
60
ADER-PWM
O
ADIP error PWM output terminal Not used
61 to 68
NC
O
For test terminal Not used
69
MDMON_CHECK
I
Power supply detection of MD mechanism deck section (MDMON)
70
MDON_CHECK
I
Power supply detection of servo section (MDON)
71 to 74
NC
O
Not used
75
RSTX
I
System reset signal input from the reset signal generator and reset switch “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
76
NC
O
Not used
77
XIA
I
System clock input terminal Not used
78
XOA
O
System clock output terminal Not used
79
VSS
—
Ground terminal
80
X0
I
System clock input terminal (18.43 MHz)
81
X1
O
System clock output terminal (18.43 MHz)
82
VCC
—
Power supply terminal (+3.3V)
83
NC
O
Not used
84
EJECT
O
Loading motor control signal output terminal (eject direction)
85
LOAD
O
Loading motor control signal output terminal (loading direction)
86
NC
O
Not used
87
LIMIT_IN
I
Detection input from the sled limit-in detect switch
The optical pick-up is inner position when “L”
The optical pick-up is inner position when “L”
88
LOAD_END
I
Chucking completed detection switch input terminal “L”: chucking completion
89
INIT1
I
Analog/digital model setting terminal “L”: digital Not used
90, 91
INIT2, INIT3
I
Digital word size setting terminal Not used
92
NC
O
Not used
93
MD_ON
O
Power supply on/off control signal output of the servo section “H”: power on
94
MD_RST
O
System reset signal output to the servo section
95
SENS
I
Internal status (SENS) input from the MD DSP
96
NC
O
Not used
97
NC
I
Not used
98
MNT2
I
Monitor signal input from the MD DSP (for reserve terminal)
99
NC
O
Not used
100
FOK
I
Focus OK signal input terminal “H”: focus OK
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