Sony XES-Z50 Service Manual page 64

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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
TE
L 13942296513
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
www
73 NC
74 A-MUTE
75 FOK
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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")
x ao
O
Audio mute on/off control signal output terminal "H": mute Not used (open) y
I Focus OK signal input from the digital servo processor (IC601) "L": NG, "H": OK
i
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Function
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