On Aug 29, 9:55*am, wrote:
*Panasonic t.v., TC 20RA10LP.I replaced the audio ic ,an7523n,and the
t.v
*now has sound but the sound/volume remains at one pitch. *whenever I
press
*the volume button whether up/down the volume remains same but
whenever it
*reaches 0 on the volume display on the screen you won't hear the
volume.
*what is wrong here ?
* N:B *There is no bridges across the ic pins.

Look for a voltage variation on pin 9(DC VOL) as you turn volume up
and down. The new IC seems to be working else it wouldn't mute at
volume zero.
Google groupers have brains too.
Jango