[TechAssist] Re: RCA CTC169, 31", flyback tested good but was bad

  • From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 1 Apr 2005 16:22:29 -0500

It may short out under a larger load than the tester
Phillip R Hull     STET
phil245@xxxxxxxxxxxxx
FAX 517--569-3075
Professional Technicians only
----- Original Message ----- 
From: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Friday, April 01, 2005 3:50 PM
Subject: [TechAssist] RCA CTC169, 31", flyback tested good but was bad


> The HOT shorted instantly at turn on.  All the timing caps, P/S caps, B+
> and horizontal frequency tested good.  The flyback tested good with the
> ring test, and the HR Diemens tester which tests the diodes and HV out.
> I finally subbed the flyback out with a known good one and the set
> worked.  My question is how could the flyback test good 2 different ways
> and still be bad?  I guess the final and best test is substitution.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
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