[TechAssist] Re: Sony KV-27S46(Chassis BA-4D) picture a little narrow and non linear
- From: "John Conti" <contitv@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 21 Oct 2005 19:29:38 -0500
Dale, I just got done with with a sony KV27s42 with a shorted HOT The cause
for it running hot was
c390. (.47uf 50 Electrolytic) Also make sure the HOT driver transformer is
solder good. I don,t know if that cap will be the same location number on
your set and don't look for it close to the driver transformer, mine was in
the middle of the chassis close to the jungle IC.
John
Conti,sTV
Texas
>From: Dale Lubow <harristv@xxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: TechAssist <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Sony KV-27S46(Chassis BA-4D) picture a little narrow
>and non linear
>Date: Fri, 21 Oct 2005 17:35:29 -0500
>
>I have a Sony KV27S46 that came in with a bad H.O.T. (2SC5426). Replace it
>the picture came back. I noticed with a crosshatch pattern that the
>horizontal sweep is not linear and a little narrow. It is normal at the
>left
>edge but as it scan to the right side my squares get narrower. The B+ is
>135V(normal). The H.output does get pretty hot(145 degrees) after awhile.
>the service adjustments only has a horizontal size which will make the
>picture wider but does nothing for the non linearity. Does anyone have any
>ideas before I spend hours checking all the wave shaping parts in the
>deflection circuit?
> TIA,
>Dale
>--
>Dale A. Lubow CET
>Harris TV & Appliance
>335 Lincoln Way
>Ames, IA 50010
>515-232-1109 (Voice)
>515-232-3356 (Fax)
>HarrisTV@xxxxxxxxx
>
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