Sony XR-CA300 Serviceanleitung Seite 26

XR-CA300/L200
Pin No. Pin Name
44 UNI-CKO
45 SDA
46 NCO
47 SCL
48 VOL-SO
49 VOL-CE
50 VOL-CKO
51 AMP-ON
52 AMP-MUTE
53 MUTE
54 TU-MUTE
55 PORT2 (ST)
56 NCO
57 LO/DX
58
TU-ON
59 FM-ON
60 AM-ON
61 to 68 NCO
69 NOISE-ON
70 to 82 NCO
83 ILL-COLOR
84 DEST-SEL0
85 DEST-SEL1
86 DEST-SEL2
87, 88 NCO
89 NOSE-SW
90 FLASH-W
91 NCO
92 ILL-ON
93 BU-SON
94 SYS-RST
95 DAVSS
96 TAPE-ON
97 N/R
98 FF/REW
99 TAPE-IN
100 DAVDD
26
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I/O
Serial data transfer clock signal output to the SONY bus interface (IC800)
O
Used for the XR-CA300 only
I/O Two-way data bus with the RDS decoder (IC200)
O Not used (open)
O
Bus clock signal output to the RDS decoder (IC200)
O Serial data output to the electrical volume (IC400)
O Chip enable signal output to the electrical volume (IC400)
O Serial data transfer clock signal output to the electrical volume (IC400)
Standby on/off control signal output to the power amp (IC500)
O
"L": standby mode, "H": amp on
O Muting on/off control signal output to the power amp (IC500) "L": muting on
O Audio line muting on/off control signal output terminal "H": muting on
O
Muting on/off control signal output of the FM and AM tuner signal "H": muting on
FM stereo broadcasting detection signal input from the FM/AM tuner unit (TU100)
I
"H": stereo display lighting
O Not used (open)
O Local/DX control signal output to the FM/AM tuner unit (TU100) "L": DX
O Tuner system power supply on/off control signal output terminal "H": tuner power on
FM system power supply on/off control signal output terminal
O
"L": AM power on, "H": FM power on Not used (open)
AM system power supply on/off control signal output terminal
O
"L": FM power on, "H": AM power on Not used (open)
O
Not used (open)
O
Discharge control signal output for the noise detection circuit "H": discharge
O Not used (open)
Illumination color select input terminal "L": amber illumination "H": green illumination
I
(fixed at "L" in this set)
I
Destination setting terminal (fixed at "H")
I
Destination setting terminal (fixed at "L")
I Destination setting terminal (fixed at "H")
O Not used (open)
Front panel block remove/attach detection signal input terminal
I
"L": front panel is attached
Internal flash memory data write mode detection signal input terminal "L": data write mode,
I
Normally: fixed at "H"
O
Not used (open)
Power on/off control signal output of the illumination LED and LCD back light (PL901, 902)
O
"H": power on
Bus on/off control signal output to the SONY bus interface (IC800) "L": bus on
O
Used for the XR-CA300 only
Reset signal output to the SONY bus interface (IC800) "L": reset
O
Used for the XR-CA300 only
—
Ground terminal (for D/A converter)
O
Capstan/reel motor (M901) drive signal output terminal "H": motor on
I Tape direction switch (S903) input terminal "L": reverse direction "H": forward direction
I
FF/REW detection switch (S902) input terminal "L": FF/REW mode
I
Tape in detection switch (S903) input terminal "L": tape in
— Power supply terminal (+5V) (for D/A converter)
Description