Sony XR-CA610X Service Manual page 33

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Pin No. Pin Name
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
TE
L 13942296513 56
DOLON
57 AMSIN
58
4VPRE
59 VOLATT
60 to 64
NCO
65 FLASH_W
66 TESTIN
67 RCIN1
68 to 73
NCO
74 EEP_SIO
75 EEP_CKO
COLSEL
76
77 SWSHIFT
78 DOORSW
DOORIND
79
www
REIN1, REIN0
80, 81
82 XKEYON
.
83
ILLON
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I/O
O Serial data transfer clock signal output to the SONY bus interface (IC581)
I/O
Two-way data IIC bus with the FM/AM tuner unit (TU1), and electrical volume (IC331)
O Not used (open)
O
IIC bus clock signal output to the FM/AM tuner unit (TU1), and electrical 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 CXA2510AQ (IC301)
O
"L": auto music sensor on
Forward/reverse control signal output to the CXA2510AQ (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 CXA2510AQ (IC301)
(METAL on at "H" output)
Tape muting on/off control signal output to the CXA2510AQ (IC301) "H": muting on
O
Active at ATA, FF/REW mode
Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (valid at "L" input)
I/O
At normal mode: dolby on/off control signal output to the CXA2510AQ (IC301)
(dolby on at "H" output)
Whether a music is present or not from CXA2510AQ (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 "L" 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
VCO shift control signal output to the FM/AM tuner unit (TU1) for SW
O
"L": EXCEPT SW, "H": SW
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 (RE501) (for VOLUME control)
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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
i
is active, "L" is output from this terminal to enable the input
Power on/off control signal output of the illumination LED and liquid crystal display driver
O
(IC501) "H": power on
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Description
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XR-CA610X
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