Sony HCD-EP404 - Page 30

30
HCD-EP404
Pin No.
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
I
I
I
I
I
I
I
I
O
O
O
O
I
I
I
–
I
Pin Name
XT2
RESET
REMOTEIN
POWERFAIL
RDSCLK
CDCLK
SENSORB
SENSORA
CD DOOR SW
CD-EN
SOL
TU-EN
MOTOR-ON
AMS.
ENCODERA
ENCODERB
AVSS
KEY1
Description
Sub system clock output terminal (32.768 kHz) Not used (open)
System reset signal input from the reset signal generator (IC304) “L ”:reset
For several hundreds msec. after the power supply rises, “L ” is input, then it changes to “H ”
Remote control signal input from the remote control receiver (X302)
Power failure detection signal input terminal “L ”:power failure, “H ”:power on
Serial data transfer clock signal input from the RDS decoder Not used
Serial data transfer clock signal input from the CD block
Tape sensor input terminal Not used (open)
Tape play/rec detect sensor input terminal “L ” input when the tape play/rec detect
CD lid open/close detect switch input terminal “L ”:CD lid is closed
Power control signal output for the CD block
Solenoid control signal output
Power control signal output for the tuner block
Capstan/reel motor control signal output
Not used
Jog dial pulse input from the rotary encoder (X303 VOLUME)(A phase input)
Jog dial pulse input from the rotary encoder (X303 VOLUME)(B phase input)
Ground terminal for A/D converter
Key input terminal (A/D input) SW301 to SW305 (I/1 , TUNER/BAND, TAPE, CD, PLAY MODE)keys input