[TechAssist] Re: Zenith SR2568S, module 9-1537B, No Vertical, Vert Section Schematic Needed

  • From: "Art Bevilacqua" <abevilac@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 5 May 2005 00:09:18 -0400

Yes, we have swapped that with a new one. I guess I forgot to mention =
that



Arthur Bevilacqua
Essex Radio & TV
40 Main St
Essex, MA 01929


-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Bill Grabowski
Sent: Wednesday, May 04, 2005 11:33 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Zenith SR2568S, module 9-1537B, No Vertical, =
Vert
Section Schematic Needed

Did you try replacing the LA7838???

Bill Grabowski
triangle Appliance
Kenosha,WI  53142

Art Bevilacqua wrote:
> This set isn't worth spending much more time on:
>=20
> Originally dead, there were multiple problems, bad cap in the power =
=3D
> supply,
> fuse, etc.
>=20
> Now, it starts up, but has no vertical.
>=20
> I've only got a similar schematic, with the same LA7838 IC, and all =
=3D
> voltages
> on that chip except the output voltages appear ok. There is no output
> voltage at all. The yoke seems ok (we've swapped it), I've resoldered =
=3D
> the
> vertical section, and checked all caps.
>=20
> Sams doesn't list this model, would anyone have an idea, or a =
schematic =3D
> for
> the vertical section? Thanks, Art.
>=20
> Arthur Bevilacqua
> Essex Radio & TV
> 40 Main St
> Essex, MA 01929
>=20
>=20
>=20
>=20
>
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>=20

--=20
*****************************
Bill Grabowski
Triangle Appliance
Kenosha,Wi 53142
262-694-6500
262-694-6523 fax
bgrabowski@xxxxxxxxx
*****************************
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