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Pin No.
Pin Name
40
TELATT
41
NIH
42
BUSSO
43
BUSSI
44
BUSCKO
45
IIC SIO
46
NCO
47
IIC CKO
48
AMPON
49
AMPATT
50
ATT
51
NCO
52
AMSON
53
F/ROUT
54
MTLON
55
TAPATT
56
NCO
57
AMSIN
58
4VPRE
59
VOLATT
60 to 64
NCO
65
FL_W
66
TESTIN
67
RCIN1
68 to 73
NCO
74
EEP SIO
EEP CKO
75
COLSEL
76
77
NCO
78
DOORSW
79
DOORIND
RE IN1, RE IN0
80, 81
82
AD ON
I/O
I
Telephone attenuate signal input At input of "H", the signal is attenuated by –20 dB
I
Not used (fixed at "H")
O
Serial data output to the SONY bus interface (IC581)
I
Serial data input from the SONY bus interface (IC581)
O
Serial data transfer clock signal output to the SONY bus interface (IC581)
Two-way data IIC bus with the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical
I/O
volume (IC331)
O
Not used (open)
IIC bus clock signal output to the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical
O
volume (IC331)
Standby on/off control signal output to the power amplifier (IC751)
O
"L": standby mode, "H": amplifier on
O
Muting on/off control signal output to the power amplifier (IC751) "L": muting on
O
Audio line muting on/off control signal output "H": muting on
O
Not used (open)
Tape auto music sensor control signal output to the CXA2509AQ (IC301)
O
"L": auto music sensor on
Forward/reverse control signal output to the CXA2509AQ (IC301)
O
"L": reverse direction, "H": forward direction
METAL control in/out terminal
At initial mode: valid/invalid selection input of METAL function (valid at "L" input)
O
At normal mode: METAL on/off control signal output to the CXA2509AQ (IC301)
(METAL on at "H" output)
Tape muting on/off control signal output to the CXA2509AQ (IC301) "H": muting on
O
Active at ATA, FF/REW mode
I/O
Dolby control in/out terminal Not used (pull down)
Whether a music is present or not from CXA2509AQ (IC301) is detected at auto music sensor
I
"L": music is present, "H": music is not present
I
4V PREOUT setting terminal "L": 4V PREOUT on Fixed at "H" in this set
Pre amplifier muting on/off control signal output to the electrical volume (IC331)
O
"L": muting on
O
Not used (open)
Internal flash memory data write mode detection signal input terminal "L": data write mode
I
Not used (open)
I
Setting terminal for the test mode "L": test mode, normally fixed at "H"
I
Rotary remote commander shift key input terminal "L": shift key on
O
Not used (open)
I/O
Two-way data bus for tuner EEPROM with the FM/AM tuner unit (TU1)
I/O
Two-way bus clock signal for tuner EEPROM with the FM/AM tuner unit (TU1)
Setting terminal for the illumination color
I
"L": amber, "H": green Fixed at "L" in this set
O
Not used (open)
I
Front panel open/close detection signal input "L" is input when the front panel is closed
LED drive signal output of the MD disc slot illumination and Z indicator (LED810, LSW810)
O
"H": LED on "H" is output to turn on the LED when front panel is opened
I
Dial pulse input of the rotary encoder (RE901) (for VOLUME control)
A/D converter power control signal output terminal
O
When the KEYACK (pin wh) that controls reference voltage power for key A/D conversion input
is active, "L" is output from this terminal to enable the input
XR-CA600/CA600V/CA600X
Description
27
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