[TechAssist] Re: CTC197 - Repeated failure of HOT (C5148)
- From: John Robertson <pinball@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 19 Nov 2001 09:32:49 -0800
When we run into repeated HOTs failing I pull out the scope and check the
collector of the HOT for signs of ringing or damping problems. It is more
likely to be a bad capacitor than the driver transformer...I'd replace the
capacitor(s) first, then check the temp of the HOT.
John :-#)#
At 07:30 AM 11/19/01, you wrote:
>Phil,
>I had this very same problem with a CTC 187 chassis. Don't know if it will
>be of any help on the CTC197 or not. Check to see if the HOT runs hotter
>than normal to the touch, if it does I had to replace Horiz. Driver
>Transformer (#215541) and C4306 (#188594) to solve shorting of HOT. Remember
>these part #'s are for a CTC187 chassis.
>
> Dan Webster
> Webster's TV
> Shullsburg, Wi.
>----- Original Message -----
>From: <Philstv@xxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Saturday, November 17, 2001 8:18 AM
>Subject: [TechAssist] CTC197 - Repeated failure of HOT (C5148)
>
>
> > Hi All. I had this set in some weeks ago. I replaced the HOT (C5148) and
>the
> > fly which I had to wait 4 months to get. The set came back dead again. I
> > replaced the shorted HOT and it played for about 20 minutes and shorted
> > again. Anybody had this problem?
> >
> > Phil - Phil's TV
> >
> >
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