[TechAssist] Re: RCA projo,P52731WK / PTK169PGB repl HOT,OK now WHY?

  • From: "John Florea" <Watcher-@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 16 Apr 2003 09:15:11 -0700

Check all the solder joints around the transformers, and the flyback, I
re-do them whenever sets come in for repair. flex chassis, heat/cold checks
for intermittents. Those can be expensive callbacks.


----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, April 16, 2003 9:02 AM
Subject: [TechAssist] RCA projo,P52731WK / PTK169PGB repl HOT,OK now WHY?


>
> This projo was dead. Customer said they watched it the nite before fine,
> dead the next morning.Found Q401, HOT shorted. Replaced it with the OEM
> RCA part 200167(2SD1885). The new part runs cool. Picture is fine.
> WHY???
> I am conditioned to suspect other parts when an HOT goes bad in these
> PTK169's.
> Picture seems linear,perfect in every way.
> I will cook it a few days, but anyone just do a HOT and be OK?
> Phil Bader
> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
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