ICF-CD815 - Sony Audio Service Manual (repair manual). Page 25

25

47

LO

O

Audio signal (L-ch) output terminal

48

DVR

-

Reference voltage terminal

49

RESET

I

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"

50

MXI

I

System clock (for tuner) input terminal (75 kHz)

51

MXO

O

System clock (for tuner) output terminal (75 kHz)

52 to 55

SEG15 to SEG12

O

Segment drive signal output to the LED indicator element

56

A MUTE

O

Audio muting on/off control signal output terminal    "L": muting on

57 to 64

SEG11 to SEG4

O

Segment drive signal output to the LED indicator element