Sony CDP-XA50ES Service Manual page 36

Pin No. Pin Name I / O
75 SBSO O
76 EXCK I
77 SUBQ O
78 SQCK I
79 MUTE I
80 SENS O
81 XRST I
82 DIRC I
83 SCLK I
84 DFSW I
85 ATSK I
86 DATA I
87 XLAT I
88 CLOK I
89 COUT O
90 DVDD —
91 MIRR O
92 DFCT O
93 FOK O
94 FSW O
95
MON O
96
MDP O
97
MDS O
98
LOCK O
99 SSTP I
100 SFDR O
Sub-code P-W serial data output terminal
Sub-code P-W serial data reading clock signal input terminal
Sub-code Q data signal output to the system controller (IC201)
Sub-code Q data reading clock signal input from the system controller (IC201)
Mute signal input from the system controller (IC201)
Internal status (SENSE) signal output to the system controller (IC201)
System reset signal input from the reset signal generator (IC91)
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
1-track jump mode input terminal
Sense serial data reading clock signal input from the system controller (IC201)
Defect on/off select signal input terminal
Input terminal for the anti-shock
Serial data input from the system controller (IC201)
Serial data latch pulse signal input from the system controller (IC201)
Serial data transfer clock signal input from the system controller (IC201)
Track number count signal output terminal
Power supply terminal (+5V) (digital system)
Mirror detection signal output terminal
Defect signal output terminal
Focus OK signal output terminal
Selection signal output terminal of the output filter for spindle motor
Spindle motor on/off control signal output terminal
Spindle servo control signal output terminal
Spindle servo control signal output terminal
GFS is sampled by 460 Hz
Detection input from the sled limit-in detect switch (S22)
The optical pick-up is inner position when "H"
Sled servo drive PWM signal (+) output to the BA6297AFP (IC102)
– 56 –
Function
Not used (open)
Not used (fixed at "H")
Not used (fixed at "L")
Not used (fixed at "L")
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
"H" output when GFS is "H"
Not used (fixed at "L")
"L": reset
Not used (open)
Not used (open)