Sony XR-CA350X Service Manual page 22

XR-CA350X
Pin No. Pin Name
50 ATT
51 to 53 NC
54 TU-ATT
55, 56 NC
57 LO/DX
58
TU-ON
59 VOL-ATT
60
FM-ON
61
AM-ON
62 NC
63 LCD-RES
64 LCD-CE
65
FLASH-W
66 TEST-IN
67 to 73 NC
74 EE-SIO
75 EE-CKO
76 COL-SEL
77 to 82 NC
83 ILL-ON
84 DEST-SEL0
85 DEST-SEL1
86
DEST-SEL2
87 to 92 NC
93 NOSE-SW
94 NS-MASK
95 DAVSS
96 TAPE-ON
97 N/R
98 FF/REW
99 TAPE-IN
100 DAVDD
22
I/O
O Audio line muting on/off control signal output "H": muting on
O Not used
O Tuner muting on/off control signal output to the tuner unit "L": muting on
O Not used
O
Local/DX selection signal output terminal "L": DX, "H": local Not used
O
Tuner system power supply on/off control signal output "H": tuner power on
O Electrical volume muting on/off control signal output to the electrical volume "L":muting on
FM system power supply on/off control signal output terminal
O
"H": FM power on Not used
AM system power supply on/off control signal output terminal
O
"H": AM power on Not used
O Not used
O LCD reset signal output to the liquid crystal display driver
O
Chip enable signal output to the liquid crystal display driver
Internal flash memory data write mode detection signal input
I
"L": data write mode Normally: fixed at "H"
I Setting terminal for the test mode
O Not used
I/O Two-way data bus with the tuner unit
O Serial data transfer clock signal output to the tuner unit
Illumination color selection signal input "L": amber illumination "H": green illumination
I
(fixed at "L" in this set)
O Not used
Power on/off control signal output of the illumination LED and LCD back light
O
"H": power on
I Destination setting terminal (fixed at "H" in this set)
I
Destination setting terminal (fixed at "L" in this set)
I Destination setting terminal (fixed at "L" in this set)
O Not used
Front panel block remove/attach detection signal input
I
"L": front panel is attached
O
Not used
—
Ground terminal (for D/A converter)
O
Capstan/reel motor drive signal output "H": motor on
I Tape direction switch input terminal "L": reverse direction, "H": forward direction
I
FF/REW detection switch input terminal "L": FF/REW mode, "H": PLAYBACK mode
I
Tape in detection switch input terminal "L": tape in
— Power supply terminal (+5V) (for D/A converter)
Description
"L": reset
"H" active
"L": test mode Normally: fixed at "H"