Westinghouse WD55UDR101 No Audio from Speakers

[mmartell]

I think this set comes in many flavours from the usual suspects, RCA, Proscan, other house brands etc. Main/Power board is CV6586H-A50 P/N 34020824.

The set has no audio from the speakers but if I plug in a pair of headphones to the audio out jack I do hear sound fine. Sound is produced by the Texas Instruments TAS5707 class D amplifier ic. I measure 3.3v and 12v at the voltage input pins of the chip.

Does anyone have experience with these chips ? Would this be a somewhat common ocurrence remedied by replacing the ic ?

Pics in following post.

[mmartell]

Re: Westinghouse WD55UDR101 No Audio from Speakers

Some pics...

[nomoresonys]

Re: Westinghouse WD55UDR101 No Audio from Speakers

Did you try plug and unplug several times the headphone plug? maybe shoot it with some contact cleaner.

[mmartell]

Re: Westinghouse WD55UDR101 No Audio from Speakers

I did plug and remove several times and did not hear anything at all from the speakers not even the faintest noise or level change.

Did not try cleaner but I will inspect the jack itself a little closer.

[nomoresonys]

Re: Westinghouse WD55UDR101 No Audio from Speakers

The speakers didn't accidentally get set to external? Sometimes a reflow of that sound IC will work.

[mmartell]

Re: Westinghouse WD55UDR101 No Audio from Speakers

I have decided to keep this tv and as such the functioning of the built in speakers is not critical.

Thanks for your input.

[mmartell]

Re: Westinghouse WD55UDR101 No Audio from Speakers

This tv quit altogether just after mounting it to the wall. Of course.

A replacement main board from an RCA tv brought it back to life and fixed the no audio problem as well.