Pin No.
Pin Name
36
AVSS
37
AVREF
38
TEMP H
39
TEMP L
40
SEL
41
TEMP D
42
—
43
RSTO
44
BUSY
45
REQ
46
GRSCOR
47
EEDATA
48
CCLK
49
CSO
50
CSI
51
SCK
52
SI
53
SO
54
BUSON
55
EJTKEY
56
SCOR
57
EEINIT
58
—
59
—
60
WUP
61
LOCK
62
EHS
63
OPEN
64
B.U.CHECK
65
SQCK
66
SUBQ
67
—
68
CDCLK
69
CDXLT
70
CDDATA
71
SCLK
72
VDD
73
NC
74
A-MUTE
75
FOK
I/O
—
Ground terminal (for A/D conversion)
I
Reference voltage input terminal (+5V) (for A/D conversion)
Temperature detect thermistor (TH301) input terminal (A/D input)
I
Used for high temperature detection data input (for servo gain compensation)
Temperature detect thermistor (TH302) input terminal (A/D input)
I
Used for low temperature detection data input (for servo gain compensation)
O
Not used (open)
I
Input of temperature compensation inhibit "L": inhibit (fixed at "H")
O
Not used (open)
O
Reset signal output to the CD text decoder (IC303) "L": reset
I
Busy signal input from the CD text decoder (IC303)
I
Request signal input from the CD text decoder (IC303)
I
Subcode sync detection signal input from the D-RAM controller (IC401)
I/O
Two-way data bus with the EEPROM (IC302)
O
Serial data transfer clock signal output to the CD text decoder (IC303)
O
Serial data output to the CD text decoder (IC303)
I
Serial data input from the CD text decoder (IC303)
I
Serial data transfer clock signal input from the bus interface (IC951) (for SONY bus)
I
Serial data input from the bus interface (IC951) (for SONY bus)
O
Serial data output to the bus interface (IC951) (for SONY bus)
Bus on/off control signal input from the bus interface (IC951) (for SONY bus)
I
"L": bus on (used also to reset standby)
I
Eject switch (SW11) input terminal
I
Subcode sync (S0+S1) detection signal input from the digital signal processor (IC501)
I
Initial reset input of the EEPROM "L": initial reset (fixed at "L")
O
Not used (open)
O
Not used (open)
Key wake-up input terminal In this set, the signal from EJECT switch (SW11) and bus on
I
signal from the bus interface (IC951) (for SONY bus) are input
I
Detection input from the magazine lock detect switch (SW802) "H": magazine lock
I
Elevator height detection signal input terminal
Detection input from the door open/close detect switch (SW12)
I
"H": door open, "L": door close
I
Backup power supply detection signal input terminal (used also to reset standby)
O
Clock signal output for subcode Q data reading to the digital signal processor (IC501)
I
Subcode Q data input from the digital signal processor (IC501)
O
Not used (open)
Serial data transfer clock signal output to the D-RAM controller (IC401) and digital signal
O
processor (IC501)
O
Serial latch signal output to the digital signal processor (IC501)
O
Serial data output to the D-RAM controller (IC401) and digital signal processor (IC501)
O
Clock signal output for SENS serial data reading to the digital servo processor (IC601)
—
Power supply terminal (+5V)
I
Not used (fixed at "H")
O
Audio mute on/off control signal output terminal "H": mute Not used (open)
I
Focus OK signal input from the digital servo processor (IC601) "L": NG, "H": OK
Function
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