[TechAssist] Re: Leaky caps
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 27 Nov 2001 12:32:46 -0500
Thanks for the vote of confidence Ray, but I don't want to have to remove or
solder every cap if it is not typical. We have so much lightning in this
area that I wonder if these were not due to surges...one of them was pretty
puffed up. Like I said, I have not seen this problem before in the CTC169
but I only do a few of them a month.
Leon.
Leonard G. Caillouet
Service Manager
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: "Ray Lufkin" <Rlufkin@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 27, 2001 10:55 AM
Subject: [TechAssist] Leaky caps
>
> Sounds like you got it down already Len. Give a real good look on the
board
> and a real good smell and then use your Dick Smith Meter on suspect caps
> like vertical and any that have been exposed to heat and/or in the smps
> area..
>
>
> ----- Original Message -----
> From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, November 27, 2001 10:09 AM
> Subject: [TechAssist] CTC169
>
>
> >
> > I am wondering if you all have seen many leaky caps in these sets. I
just
> > did two this week that had leaky Nichicon 105 degree caps. The
> electrolyte
> > caused enough corrosion to damage a couple of traces. These are the
first
> I
> > have seen like this and am wondering if we can expect this to be as
common
> > as in the Hitachi and Misubishi projection sets. How far do you guys go
> in
> > looking for other caps going bad on these sets. I have found that
> sometimes
> > the only way that you can find them is to heat the pins and see if they
> > smell or remove them and visually inspect them. Many of the ones that
are
> > starting to leak check OK on all four tests, capacitance, ESR, DA, &
> leakage
> > current. Should we be checking all of them on these sets?
> >
> > Leon.
> >
> > Leonard G. Caillouet
> > Service Manager
> > Electronics World
> > Gainesville, FL
> > 352-332-5608
> > 352-332-5668 (fax)
> >
> >
> >
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