CDX-CA705M - Sony Car Audio Service Manual (repair manual). Page 14

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14
CDX-CA705M
Pin No.
Pin Name
I/O
Pin Description
49
TUNON
O
Tuner power supply control signal output to power supply (IC601)
50
PW ON
O
System power supply control signal output to power supply (IC601)
51
TSTB
O
CD text parameter strob signal output to servo IC (IC1)
52
RFOK
I
RF OK signal input from servo IC (IC1)
53
CD RST
O
Reset signal output to servo IC (IC1)
54
A0
O
Command/parameter identification signal output to servo IC (IC1)
“L”: Command, “H”: Parameter
55
STB
O
Data strob signal output to servo IC (IC1)
56
X EN
O
Crystal oscillation control signal output     Not used in this set.
57
LIMIT
I
CD Mechanism in-limit switch signal input from limit switch (SW3)
58
PH1
I
CD Mechanism PH1 detection signal input    Not used in this set.
59
D SW
I
CD Mechanism down switch signal input from down switch (SW4)
60
INSW/PH2
I
CD Mechanism disc-in switch detection signal input from disc-in switch (SW1)
61
NC (PH3)
I
CD Mechanism PH3 detection signal input    Not used in this set.
62
CD LM LO
O
CD Mechanism loading motor control signal output to loading motor drive (IC2)
63
CD LM EJ
O
CD Mechanism eject motor control signal output to loading motor drive (IC2)
64
4VPRE/NCO
I/O
Hi-Volt power selection    “L”: with, “H”: without
65
PREOUTMENU/NCO
I/O
Pre-out (4 V/5.5 V) menu selection    “L”: with, “H”: without set up signal input
66
AMPATT
O
Power amp ATT control signal output to power amp (IC751)
67
AMPON
O
Power amp standby control signal output to power amp (IC751)
68
CDMD ON
O
CD mechanism deck power supply control signal output
69
ATT
O
System ATT control signal output
70
VOLATT
O
Electrical volume ATT control signal output to electrical volume (IC331)
71 – 73
NCO
O
Not used. (Open)
74
MP3SEL
I
MP3 control select signal input    “L”: MP3 CD changer control correspondence,
“H”: not correspondence
75
SUB SEL
I
Sub-out function detection signal input     “H”: without, “L”: with
76
SW SHIFT
O
Not used in this set. (Open)
77
COLSEL
I
Key illumination color selection detection signal input     “L”: amber, “H”: green
78
NCO
O
Not used. (Open)
79
XCD ON
O
CD on signal output     “H”: Play, “L”: Loading or standby
80 – 85
NCO
O
Not used. (Open)
86
E2P SIO
I/O
EEPROM serial data signal input/output
87
E2P CKO
O
EEPROM serial clock signal output
88
NCO
O
Not used. (Open)
89
FLASH W
I
Flash microcomputer write detection signal input    “L”: Write mode
90
NIL/NS MASK
O
Connect to ground in this set.   Noise mask signal output
91
AD ON
O
Key power supply control signal output     “L”: key active
92
DOORIND
O
Sub panel power supply control signal output
93
ILLON
O
Illumination power supply control signal output
94
DOOR SW
I
Front panel open/close detection signal input    “L”: Close, “H”: Open
95
DAVSS
Ground pin
96
RE IN1
I
Rotary encoder signal input from rotary encoder (RE901)
97
RE IN0
I
Rotary encoder signal input from rotary encoder (RE901)
98
RC IN1
I
Rotary commander shift key signal input from remote in jack (J561)
“L”: Shift key on
99
NCO
O
Not used. (Connect to ground.)
100
DAVDD
Power supply pin (+5 V)
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