[TechAssist] Re: RCA Proj. P46770CK Chassis PTK169PA. Audio output U1901, U1902?
- From: Wayne Vanaman <Wayne@xxxxxxxxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 18 Apr 2005 11:57:35 -0500
David:
Look for a half a dozen caps in the c901 area. There are bad 47uf and
10uf caps, and I think a 1uf also. I think most of these are 16V caps.
C1901, C1902 are coupling caps.
Wayne Vanaman
Omega Electronics
6904 W Fairfield Dr
Pensacola, Fl. 32506-3310
Wayne@xxxxxxxxxxxxxxxxxxxxx
WWW.PensacolaTVRepair.Com
850-456-5995 voice
850-458-6369 fax
Robinson Electronics wrote:
> Can anyone that is familiar with this chassis help us?
> My customer said the audio is (low with a buzz) on just the right output
> speaker.
> I checked the audio output board that uses 2 aud. output amps, cannot read
> all of the numbers on the chip (looks like the first few digits as TDA20xx).
> The capacitors around the ic's check good, no open or bad resistors in the
> circuit.
> Can anyone help us with identification of these output IC's? Thanks.
> David.
>
> Robinson Electronics
> 1075 Sweeten Creek Road
> Asheville, NC 28803
> Ph./Fax. 828 274-3787
> Toll Free. 1-888 ROBELECT
> www.robinsonelectronics.com
> www.robelect.com
> Mailto: RobinsonElectronics@xxxxxxxxxxx
>
> -----------------------------------------------------------------------------
> This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
> Lost Password: http://www.tech-assist.org and select "Login Problems?".
> Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app
> Email Archives: //www.freelists.org/archives/techassist/
>
>
-----------------------------------------------------------------------------
This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
Lost Password: http://www.tech-assist.org and select "Login Problems?".
Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app
Email Archives: //www.freelists.org/archives/techassist/
Other related posts:
