[TechAssist] Re: Sony KV32S25 pix blinks
- From: Tel-Tek <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 08 Apr 2005 20:51:51 -0400
Phil;
IK circuit should never have been employed.
Another Sony innovation...either a "good" picture....or "no" picture.
But these were the "SONY" years.;-)
-Ed-
--
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
teltek@xxxxxxxxx
> From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
> Reply-To: <techassist@xxxxxxxxxxxxx>
> Date: Fri, 08 Apr 2005 17:14:48 -0400
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: Sony KV32S25 pix blinks
>
> Russ, I have always felt Sony set thetheir IK cut off too sensitive. I
> would bet the CRT is aging. You can try slightly advancing the G2 on the
> fly and see,this sometimes helps. As a test, I used to jumper the CRT
> filament resistor to increase the CRT fil. voltage. This increases CRT
> emission and the IK will not blank. But, this shortens the CRT life (I
> mean to weeks!) so don't leave it that way.
> Or here's a mod that is supposed to work: cut and pasted from email
> archives.
>
> Finally, a simple way to defeat the IK problem.
>>>> **************************************************************
>>>>
>>>> Take three 18K resistors and connect one end of each to the Red , Green
>
>> and
>
>>>>>> Blue Cathodes , the solder the other ends all together.
>>>>>>
>>>>>> This works perfect , you can see the image come up as the filaments warm
>>>
>>>
>> up.
>
>>>>>>
>>>>>> Image looks like crap because of the dead green cathode BUT picture is=
>>>
>>>
> not
>
>>>>>>> flashing....and that is all the customer wanted..
>>>>
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
> Hoyt's TV wrote:
>
>> Sony KV32S25
>> Picture/video blinks for a couple minutes when first turned on, then stays
>> on.
>> CRT does not look soft like I expected, so I could blame the IK circuit.
>> Left it in customers home while I researched it.
>> Didn't find this in any databases.
>> Anyone seen this?
>>
>>
>> Russ Hoyt
>> Hoyt's TV
>> Exeter, NH
>>
>>
>>
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