Sony CDP-XA555ES Service Manual page 44

Pin No. Pin Name
75 SBSO
76 EXCK
77 SUBQ
78 SQCK
79 MUTE
80 SENS
81 XRST
82 DIRC
83 SCLK
84 DFSW
85 ATSK
86 DATA
87 XLAT
88 CLOK
89 COUT
90 DVDD
91 MIRR
92 DFCT
93 FOK
94 FSW
95
MON
96
MDP
97
MDS
98 LOCK
99 SSTP
100 SFDR
44
I/O
O Sub-code P-W serial data output terminal Not used (open)
I Sub-code P-W serial data reading clock signal input terminal Not used (fixed at "L")
O Sub-code Q data signal output to the system controller (IC201)
I Sub-code Q data reading clock signal input from the system controller (IC201)
I Mute signal input from the system controller (IC201)
O Internal status (SENSE) signal output to the system controller (IC201)
System reset signal input from the reset signal generator (IC204) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
I 1-track jump mode input terminal Not used (fixed at "H")
I Sense serial data reading clock signal input from the system controller (IC201)
I Defect on/off select signal input terminal Not used (fixed at "L")
I Input terminal for the anti-shock Not used (fixed at "L")
I Serial data input from the system controller (IC201)
I Serial data latch pulse signal input from the system controller (IC201)
I Serial data transfer clock signal input from the system controller (IC201)
O Track number count signal output terminal Not used (open)
— Power supply terminal (+5V) (digital system)
O Mirror detection signal output terminal Not used (open)
O Defect signal output terminal Not used (open)
O Focus OK signal output terminal Not used (open)
O Selection signal output terminal of the output filter for spindle motor Not used (open)
O Spindle motor on/off control signal output terminal Not used (open)
O Spindle servo control signal output terminal
O Spindle servo control signal output terminal Not used (open)
O GFS is sampled by 460 Hz "H" output when GFS is "H" Not used (open)
Detection input from the sled limit-in detect switch (S22)
I
The optical pick-up is inner position when "H"
O Sled servo drive PWM signal (+) output to the BA6297AFP (IC102)
Description