[TechAssist] Re: SANYO AVM2568C(Video Problem)!! Now Convergence Problem?
- From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 30 Sep 2004 11:31:18 -0400
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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