[TechAssist] Re: Zenith A50M84W1 severe bow all sides,flipping
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 04 Feb 2006 09:36:14 -0330
Hi Phil another tip..Eric
ZENITH 9-1978 convergence lines distorted & folded over and
quivering all over QX3502 shorted
Eric
E M Electronics
59 Wights Rd
Deer Lake NL
Canada
A8A 2J2
Ph# 709 635 2627
tvman@xxxxxxxxxxxxxxx
eric.manuel@xxxxxxxxx
Philip Bader wrote:
> I need your help:
> I had to go look at a 50" Zenith of a friend Thursday night.I sold it to
> him last year as unclaimed for the repair ticket. Turned it on, and I see a
> severly bowed,pulled in rapidly flipping picture. It is so unstable I am
> not sure of it is a comvergence issue.I need advice.
> Model: Zenith A50M84W1
> deflection/power board: 9-1978
> convergence output module: 9-1690-1
> The 9-1690 uses two STK392-110 ICs.
> I don't remember if this symptom is a bad converg 9-1690, and if so, are the
> two STKs bad?
> I am quickly forgetting my symtom/cures. I have my shop computer torn down
> in storage,gave away all my schmatics,etc.
> What do you think?
> Of course I reminded he and his wife I no longer am on open account, have
> sold my parts, given away my diagrams and boxed up my gear. Still "could you
> just look at it?"
> I hurt all Friday from laying on my sides behind it. Oh, I resoldered the
> two STKs and no help. She said it was intermittant.Took 30 minutes,now
> constantly that way.
> Philip Bader
> Polk County School Board
> Electronics Shop, Bartow,Fl.
> (former owner, Jan Phyl TV Inc.,Winter Haven, Fl. from 1976-2006)
> email: pbader@xxxxxxxxxxxxxxx
> phone # given by request
>
>
> -----------------------------------------------------------------------------
> This Email List is accessible to the general public through search engines.
> Remove: http://www.tech-assist.org/remove.htm
> Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
> Lost Password: http://www.tech-assist.org and select "Login Problems?".
> Email Archives: //www.freelists.org/archives/techassist/
>
>
-----------------------------------------------------------------------------
This Email List is accessible to the general public through search engines.
Remove: http://www.tech-assist.org/remove.htm
Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
Lost Password: http://www.tech-assist.org and select "Login Problems?".
Email Archives: //www.freelists.org/archives/techassist/
Other related posts:
