[TechAssist] Re: SANYO AVM2568C(Video Problem)!! Now Convergence Problem?FIXED!!
- From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 30 Sep 2004 13:29:08 -0400
FIXED!! Thanks Charles. The set had hot glue spread over the convergence
tabs and looked good. I turned the magnet close to the CRT and it set up
great. Convergence looks good now. Put some paint on the magnet tabs, now
ready to go.
Took a while to get parts for this set, finally fixed.
Bruce.
----- Original Message -----
From: "repair1" <repair1@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 30, 2004 12:38 PM
Subject: [TechAssist] Re: SANYO AVM2568C(Video Problem)!! Now Convergence
Problem?
> Bruce, direct views have not had dynamic convergance since the days of the
> old dleta tubes(guns arranged in a delta formation), Usually there will be
a
> stipe of paint on magnets,seeif these has been disturbed, whole magnet
> assembly may have moved,or if it is not bonded yoke may have shifted, I
once
> had a sanyo in for another problem and had to completely reconverge,even
> though it had never been touched, hth.
>
> Charles Betzler
> Best Electronics
> repair1@xxxxxxxxxxxxx
>
>
> ----- Original Message -----
> From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, September 30, 2004 10:31 AM
> Subject: [TechAssist] Re: SANYO AVM2568C(Video Problem)!! Now Convergence
> Problem?
>
>
> > Convergence problem, (off a mile),
> > Video OK, Convergence problem now...? I have replaced T-151 and finally
> the
> > jungle I.C La76170 , now the picture tunes properly. The convergence is
> way
> > off, looks like a static convergence problem? The magnets on the CRT
have
> > not moved wondering if there is internal digital convergence? The set
may
> > have been dropped I hope not?
> > Could any one on the list shed some light on this problem?
> > thank you for your time,
> > Bruce.
> >
> > ----- Original Message -----
> > From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, January 09, 2004 3:39 PM
> > Subject: [TechAssist] Re: SANYO AVM2568C Print (Video Problem)!! Sams
> #4298
> >
> >
> > > ---------------------------------------------------------------
> > > Text pasted from WinSTIPS 2.0
> > > http://www.ServiceSoftware.com
> > > ---------------------------------------------------------------
> > >
> > > SANYO AVM2567
> > >
> > > Video Goes Into Oscillations After Set Warm
> > >
> > > Mcgregor Tv Service
> > >
> > > May Do This When Changing Channels
> > > Fix Was T151 Part # 6450005206
> > >
> > > ---------------------------------------------------------------
> > >
> > > Also see if the B+ supply resistor is open to the tuner.
> > >
> > > Bob Waterman, CET® #RI-28
> > > Master Technician License #9109
> > > Service Manager / Parts Manager
> > > Gemini Computer, TV, & Security Alarms
> > > (508)695-7302
> > > (508)695-7769 FAX
> > > geminitv@xxxxxxxxxxxxxxxx
> > > geminitv@xxxxxxx
> > > www.geminicomputertvsecurityalarms.com
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Friday, January 09, 2004 2:33 PM
> > > Subject: [TechAssist] SANYO AVM2568C Print (Video Problem)!! Sams
#4298
> > >
> > >
> > > > Schematic or trouble shooting help needed!
> > > > No Picture , looks like a AGC type problem. When the channel is
> changed
> > > the
> > > > picture will be off frequency then go black like video overload. If
I
> > > inject
> > > > a signal at tuner and reduce the signal strength the picture will
come
> > in
> > > > but will be snowy. If I increase the signal strength will loose the
> > > picture
> > > > again.
> > > > Can any share a schematic of video section. I did change the tuner
but
> > > same
> > > > condition. This set uses a LA76170 jungle I.C.
> > > > Sams #4298 thought I would check the list before ordering print.
> > > > thanks
> > > > Bruce.
> > > >
> > > > B&T Electronics
> > > > 139 Margaret St
> > > > Sarnia Ontario
> > > > Canada
> > > > N7T 2Y3
> > > > 519 344 1850
> > > >
> > > >
> > >
> >
>
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