[TechAssist] Re: Sony PTV KP53S25 Red distortion upper right corner
- From: "LeRoy Westlund" <llw@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 11 Sep 2002 09:45:49 -0600
Thanks Demon,
Is it OK to switch the Red, and Blue yoke plugs, long enough to see if the
problem changes to Blue instead of Red ?
LLW
LeRoy Westlund
Westlund TV & Electronics " It's such a pretty world
93 North Main today !....
Centerfield, UT 84622-0087 Look at the Sunshine. "
Ph./Fax 435-528-3822 :-)
mailto:LLW@xxxxxxxxxx
-----Original Message-----
From: Damon <DAMON101@xxxxxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
Date: Wednesday, September 11, 2002 7:43 AM
Subject: [TechAssist] Re: Sony PTV KP53S25 Red distortion upper right corner
>
>I'd take along a red convergence amp, is this the one with the STK392-010's
>mounted on a stand up board located on the right side if you're viewing it
>from behind the PTV? Or are the Conv amps located (same position, behind)
>nearest you on the Left board?
>(Left board/Deflection sometimes just has bad solder). Right side
>board.....I've seen the Red amp fail considerably.
>
>Damon Brunger
>damon101@xxxxxxxxxxxxxx
>Telrad Electronic Services
>Ft Wayne, IN 46815
>----- Original Message -----
>From: "LeRoy Westlund" <llw@xxxxxxxxxx>
>To: "TechAssist" <techassist@xxxxxxxxxxxxx>
>Sent: Tuesday, September 10, 2002 11:52 PM
>Subject: [TechAssist] Sony PTV KP53S25 Red distortion upper right corner
>
>
>>
>> Hi members,
>> I have been working on this Sony KP53S25.
>> I replaced the Blue CRT for fluid leakage.
>> I cleaned and repaired contaminated "E" board.
>> I also repaired the Power supply board as needed.
>> I now have a good picture on the bench in the shop.
>> I am deflecting my picture onto the ceiling.
>> I know I will have to do my fine tuning for convergence, etc, after I
>> reinstall the CRT array, and the chassis in the home.
>> The only thing that worries me,...is that the Red CRT shows a distorted
>> picture up in the top left corner of the screen. It is rounded off for
>about
>> 2 inches. The other 3 corners are square. The Blue, and the Green, have
>> square corners on all 4 corners.
>> I am wondering if this is caused by a simple adjustment, or, do I have a
>> problem in the yoke return ckt. of the Red CRT ? Maybe the customer
won't
>> even notice this small defect, if I don't point it out to him.
>> Would you take it back in this condition ?
>>
>> LLW
>>
>> LeRoy Westlund
>> Westlund TV & Electronics " It's such a pretty world
>> 93 North Main today !....
>> Centerfield, UT 84622-0087 Look at the Sunshine. "
>> Ph./Fax 435-528-3822 :-)
>> mailto:LLW@xxxxxxxxxx
>>
>>
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>
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