[TechAssist] Re: Sony TV KV-32XBR36 Horizontal lines in picture,after warm-up
- From: "David" <mrfixit@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 12 May 2003 14:48:47 -0400
LeRoy, Are the horizontal lines more like "retrace" lines, like when the
screen voltage is turned up too much OR is it like "interference" lines?
David Lessard
Alexandria Electronics
Ontario-Canada
mrfixit@xxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of LeRoy Westlund
Sent: Monday, May 12, 2003 2:48 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Sony TV KV-32XBR36 Horizontal lines in
picture,after warm-up
I don't think it's the tuner, cause it does exactly the same thing on the
external inputs.
Regards,
LLW
LeRoy Westlund
Westlund TV & Electronics " Walk tall,...Walk straight
93 North Main and look the world
Centerfield, UT 84622-0087 right in the eye "
Ph./Fax 435-528-3822
mailto:LLW@xxxxxxxxxx
-----Original Message-----
From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
Date: Monday, May 12, 2003 12:06 PM
Subject: [TechAssist] Re: Sony TV KV-32XBR36 Horizontal lines in
picture,after warm-up
>
>You won't believe this but had a Sony KV27TS27 with the same sounding
>symptom. First noticed intermittant video. Removed the A board,
>resoldered all edge connections, removed,resoldered the IF module assy.
>After a day I noticed the other symptom: horizontal bands all thru the
>picture and the tuner would not select stations correctly. It was the
>tuner with internal solder connection breaks on the 12V pin and
>elsewhere. The tuner appeared to be breaking into oscillation. I always
>remove and solder them now. Just a thought.
>Phil Bader
>
>David wrote:
>>
>> Check the regulator cicuit. Sounds like the +B may be increasing causing
the
>> high-voltage to increase causing retrace lines to appear.
>>
>> David Lessard
>> Alexandria Electronics
>> Ontario-Canada
>> mrfixit@xxxxxxxxxxx
>>
>> -----Original Message-----
>> From: techassist-bounce@xxxxxxxxxxxxx
>> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of LeRoy Westlund
>> Sent: Monday, May 12, 2003 12:29 PM
>> To: TechAssist
>> Subject: [TechAssist] Sony TV KV-32XBR36 Horizontal lines in picture,
>> after warm-up
>>
>> Hi members,
>> This Sony TV, model KV-32XBR36 has a perfect picture for about 20
minutes,
>> then Horizontal lines start to appear, from top to bottom, about 1/2
inches
>> apart. Cooling the jungle IC with freeze spray does not make them go
away,
>> so I think the Jungle IC is OK. Cooling some of the electrolytics in the
>> Pwr. supply module sometimes clears them up, but they remain more
pronounced
>> on
>> darker scenes, then light ones. I have replaced MOST of the ones in the
pwr.
>> supply, and the two on the CRT module, but, no help. I'm almost certain
>> there is a bad electrolytic somewhere, but I can't seem to put my finger
on
>> it.
>>
>> Any help is appreciated,
>> LLW
>>
>> LeRoy Westlund
>> Westlund TV & Electronics " Walk tall,...Walk straight
>> 93 North Main and look the world
>> Centerfield, UT 84622-0087 right in the eye "
>> Ph./Fax 435-528-3822
>> mailto:LLW@xxxxxxxxxx
>>
>>
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>
>--
>Philip Bader
>Jan Phyl TV Inc. (estab. 1976)
>3420 Recker Hwy. Winter Haven, Fl. 33880
>Fax (863) 299-8821
>email: tjanphyl@xxxxxxxxxxxxxxx
>
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