CDX-715 - Sony Car Audio Service Manual (repair manual). Page 34

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Pin No.
Pin Name
I/O
Function
48
SCK
I
Serial data transfer clock signal input from the SONY bus interface (IC302)
49
SI
I
Serial data input from the SONY bus interface (IC302)
50
SO
O
Serial data output to the SONY bus interface (IC302)
51
SCLK
O
Subcode Q data reading clock signal output to the CXD2530Q (IC101)
52
SUBQ
I
Subcode Q data input from the CXD2530Q (IC101)
53
O
Not used (open)
54
C.OUT
I
Track number count signal input from the CXA1992AR (IC11)
55
BUS.ON
I
Bus on/off control signal input from the SONY bus interface (IC302)    “H”: bus on
56
A/D.SW
O
Analog/digital out selection signal output terminal    “L”: digital out    Not used (open)
57
MGLK
I
Magazine eject operation completion detect switch (SW201) input    “L”: eject completed
58
ELV.F
O
Motor drive signal (elevator up direction) output to the elevator motor drive (IC301)    *2
59
O
Not used (open)
60
MAG.SW
I
Magazine in/out detect switch (SW202) input    “L”: magazine detected
61
BU.CHK
I
Battery detection signal input terminal    “H”: battery on
62
W.UP
I
Bus on or eject switch (SW301) input terminal    “H”: bus on or eject switch pushing
63
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2530Q (IC101)
64
EJECT
I
Eject switch (SW301) input terminal    “H” active
65
CD.CLK
O
Serial data transfer clock signal output to the CXD2530Q (IC101) and CXD2522Q (IC401)
66
CD.XLT
O
Serial data latch pulse signal output to the CXD2530Q (IC101)
67
CD.DATA
O
Serial data output to the CXD2530Q (IC101) and CXD2522Q (IC401)
68
CD.ON
O
D/A converter and servo section power supply on/off control signal output    “H”: power on
69
ELV.ON
O
Mechanism deck section power supply on/off control signal output    “H”: power on
70
ELV.R
O
Motor drive signal (elevator down direction) output to the elevator motor drive (IC301)    *2
71
O
Not used (open)
72
VDD
Power supply terminal (+5V)
73
NC (VDD)
Connected to the power supply (+5V)
74
MODE1
O
D-BASS control signal output to the SM5852FS (IC102)    “L” active
75
MODE2
O
D-BASS control signal output to the SM5852FS (IC102)    “L” active
76
REQ
O
Data request signal output terminal    Not used (open)
77
CCCLK
O
Command clock signal output terminal    Not used (open)
78
CSI
O
Command data input terminal    Not used (open)
79
CSO
O
Command data output terminal    Not used (open)
80
ADJ
O
Auto adjust selection terminal    Not used (open)
*1  chucking motor (M103) control
                           MODE
 TERMINAL
CH.F (pin 4)
“H”
“L”
“H”
“L”
CH.R (pin 5)
“H”
“H”
“L”
“L”
STOP
LOAD
CHUCKING
SAVE
BRAKE
*2  elevator motor (M104) control
                           MODE
 TERMINAL
ELV.F (pin %•)
“H”
“L”
“H”
“L”
ELV.R (pin &º)
“H”
“H”
“L”
“L”
STOP
ELEVATOR
UP
ELEVATOR
DOWN
BRAKE
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