[TechAssist] Re: RCA CTC169" Projection", Blue gun anode shorting to ground??

  • From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 9 Aug 2005 10:10:43 -0500

Have you inspected the unit for coolant leakage?Remove the black plastic 
cover ( on top of the crts) and look for coolant at the bottom edge on crt 
mounting housing.
 Had on about 3 weeks ago had to replace the 7in gaskets and anodes and 
refill.HTH
Country TV
Ron Miller
Inez, TX. 77968

----- Original Message ----- 
From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, August 09, 2005 10:00 AM
Subject: [TechAssist] RCA CTC169" Projection", Blue gun anode shorting to 
ground??


> Original problem CR4118 defective. Changing the diode allowed the set to 
> try
> and start up but now has blue anode shorting to metal shield close to the
> anode lead.
> Removing the anode from the splitter allows the set to work, green and red
> guns only. The filament for the blue gun is lit. The ground lead is 
> attached
> to the blue crt.
> I also tried changing the leads on the H.V splitter, but still have arcing
> to ground problem on the blue gun.
> My question is , does this mean the CRT has an internal short. If it is 
> the
> gun , can one be had at a reasonable price even used.
> thanks for your help,
> Bruce
>
> B&T Electronics
> 139 Margaret St
> Sarnia Ontario
> Canada
> N7T 2Y3
> 519 344 1850
>
>
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