[TechAssist] Re: PTK169PGB - HV Splitter vs. Focus divider?
- From: "Damon" <damon101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 22 Nov 2004 07:22:02 -0500
Question 1 replace the splitter
Question 2 don't do anything about this unless you see that it affects the
picture, if it does then remove the lens from the top of the TV and blow out
the crud, do not remove the crt from the frame, and be careful which screws
you loosen, but the lens assy should have 4 screws directly mounted on
itself and should be easy to distinguish from the CRT's screws.
Damon Brunger
Telrad Electronics
Ft. Wayne, IN
----- Original Message -----
From: "Wally Heise" <sirepair@xxxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 22, 2004 12:51 AM
Subject: [TechAssist] PTK169PGB - HV Splitter vs. Focus divider?
> Hello,
>
> I am working on my least favorite chassis - PTK169PGB. I have only worked
> on 2 of these, and hope I don't see anymore! It came in with shorted HOT,
> and after replacing all of the normal parts I have determined the chassis
> will power up if I remove the HV anode lead from the HV splitter. The
> horizontal signal to the flyback looks good then.
>
> Question 1 - What is my next step to determine the defective part? Do I
> remove each anode wire from the HV splitter one at a time, including the
> focus / screen control block?
>
> Question 2 - When I look down into the crt's, I see dust, dirt, dead
> insects, etc. How do I clean this without affecting the crt alignment,
> etc.?
>
> As you can tell, I have never worked with projection tv crts. Please be
> kind!
>
> Thank you, any assistance will be greatly appreciated.
>
> Wally Heise
> South Isle Repair
> Isle, MN.
> sirepair@xxxxxxxxxx
>
>
>
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