[TechAssist] Re: Still unsolved mystory:
- From: Dennis Viereck <wa6ati@xxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 13 Nov 2001 20:53:58 -0800
Sounds like there is no E/W parabolic wave form from the Jungle IC. Are you
getting the necessary E/W drive signal? It should be about 1.5 volts PP at 16.6
milliseconds.
Dennis
"G.N.Arrivas" wrote:
> Pincushion Distortion: KV32XBR55
> check for open R537 feedback loop from Q505 to IC531
>
> Since you have replace most parts that usually fails on the A board. Check
> the feed back loop above.
>
> G.N.Arrivas, CET, Pittsburg, CA
> Tel/Fax: (925) 432-2057
> Arrivas Enterprises
> http://www.arrivasenterprises.com
>
> Electronics Repair Help
> http://www.etechhelponline.com
> (Viewed by technicians in 60-plus countries worldwide)
>
> Tax Help Online:
> http://www.itaxhelponline.com
>
> ----- Original Message -----
> From: <tvdoctors@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, November 13, 2001 10:41 AM
> Subject: [TechAssist] Still unsolved mystory:
>
> > SONY KV32XBR55: Replaced Q505(shorted), R571(open), IC531,
> L501(recommended replaced), and checked and resoldered D512(Checked Ok). No
> schematic. Still has bowed sides. Pincushion and Horiz.Size in service menu
> wont adjust (numbers change), all other adjustments work. If I jump across
> L501, I get almost full scan but I can still see that pincushion is out of
> alignment. Any thoughts to getting this set out of here would be greatly
> appreciated, Thanks, Neil
> >
> >
> >
> > TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469
> >
> > *****************************************
> > Help make your TechAssist online repair tips
> > database better! Submit your fixes here:
> > http://www.circuitwork.com/techassist/tip/#tips
> > *****************************************
> > To UNSUBSCRIBE write to:
> > techassist-request@xxxxxxxxxxxxx
> > with unsubscribe in the subject line.
> >
>
> *****************************************
> Help make your TechAssist online repair tips
> database better! Submit your fixes here:
> http://www.circuitwork.com/techassist/tip/#tips
> *****************************************
> To UNSUBSCRIBE write to:
> techassist-request@xxxxxxxxxxxxx
> with unsubscribe in the subject line.
*****************************************
Help make your TechAssist online repair tips
database better! Submit your fixes here:
http://www.circuitwork.com/techassist/tip/#tips
*****************************************
To UNSUBSCRIBE write to:
techassist-request@xxxxxxxxxxxxx
with unsubscribe in the subject line.
Other related posts:
