[TechAssist] Leaky caps
- From: "Ray Lufkin" <Rlufkin@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 27 Nov 2001 10:55:14 -0500
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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