[TechAssist] Re: Training manual

  • From: Barry Thompson <barrystv@xxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 12 Oct 2005 12:14:35 -0400

I am using my own tube. I turn up the screen a get a raster with no snow and 
no focus lines. Like the old philips's and ge's from the 70's (secondary 
emmision)Must be the jungle.

Barrys TV
Ottawa
Canada
----- Original Message ----- 
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 12, 2005 11:20 AM
Subject: [TechAssist] Re: Training manual


> What happens if you advance the G2 screen pot a bit? These are typical
> of the "IK" circuitry blanking the video if the CRT emission is low. A
> quick test is locate the low-ohm CRT filament resistor that supplies the
> 6.3 volts to the tube. Jumper it.This will increase the CRT filament,
> not unlike the old "Boosters" did. If the picture returns, weak CRT. You
> can't keep that jumper there long term, as the CRT will just burn itself
> out soon.
> Phil
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> personal/ alt. email: pbader@xxxxxxxxxxxxxxx
> see our ad at:
> http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads.com/
>
>
>
> Barry Thompson wrote:
>
>>Neeed a training manual for a kv 27s22, no video, changed vertical 
>>ic.Still
>>the same.
>>
>>Barrys TV
>>Ottawa
>>Canada
>>
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