Sony ICF-DVD57TV Service Manual page 65

Pin No.
Pin Name I/O
72
VDD0 -
73 VSS0 -
74 X1 I
75
X2 O
76 XRESET I
77 RADIO ON O
78 A MUTE O
79 STBY O
80
TIMER LED O
All manuals and user guides at all-guides.com
Power supply terminal (+3.3V)
Ground terminal
Main system clock input terminal (4.19 MHz)
Main system clock output terminal (4.19 MHz)
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
Power on/off control signal output for the radio section "L": power on
Audio muting on/off control signal output terminal "L": muting on
Power amplifier on/off control signal output terminal
"L": power amplifier on, "H": standby mode
LED drive signal output of the TIMER indicator "L": LED on
Description
ICF-DVD57TV
65