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

  • From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 9 Aug 2005 12:38:06 -0400

I removed the CRT and see a small amount of fluid that leaked to the metal 
frame that holds the CRT's.
I have never changed the fluid on a projection T.V forgive my ignorance.
thanks
Bruce.

----- Original Message ----- 
From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, August 09, 2005 11:46 AM
Subject: [TechAssist] Re: RCA CTC169" Projection", Blue gun anode shorting 
to ground??


> Remove the blue tube and look very closely at the anode area, it only 
> takes
> a drop or two to cause it.
> Remember to check the expansion seal also.
> Mark the blue yoke centering rings before you pull the tube and don't 
> loosen
> any RED bolts unless you want to drain the coolant from the chamber.HTH
> Country TV
> Ron Miller
> Inez, TX. 77968
>
> ----- Original Message ----- 
> From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, August 09, 2005 10:34 AM
> Subject: [TechAssist] Re: RCA CTC169" Projection", Blue gun anode shorting
> to ground??
>
>
>> Thanks Ron but I don't see any fluid leakage. Is there any other way to
>> tell
>> if fluid is in the tube?
>> Bruce.
>>
>>
>> ----- Original Message ----- 
>> From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Tuesday, August 09, 2005 11:10 AM
>> Subject: [TechAssist] Re: RCA CTC169" Projection", Blue gun anode 
>> shorting
>> to ground??
>>
>>
>>> 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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