[TechAssist] Re: CTC187 (32")
- From: "teltek3" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 30 Jul 2003 08:52:56 -0400
Thanks Gary...Don't forget to have a look for that VIF module for the
Goldstar..;-)
-Ed-
Tel-Tek Electronics
Ontario-Canada
teltek2@xxxxxxxxxxxx
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, July 29, 2003 5:48 PM
Subject: [TechAssist] Re: CTC187 (32")
> Ed, from my saved messages,
>
> --------------------------------------------------------------------------
--
> From:
> "Webster TV" <webstertv@xxxxxxx>
> Reply-To:
> techassist@xxxxxxxxxxxxx
> To:
> <techassist@xxxxxxxxxxxxx>
> References:
> 1
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>
> Tony,
>
> Replace HOT with original RCA part, Hollis and Al mentioned the part #
> is
> 223942. I have written down in my notes that the # is 191142, so I
> presume
> either will work OK. Before replacing HOT make sure you don't have a
> short
> from C to E traces. If none, install HOT. I always start the set up on a
> variac, at reduced AC voltage, so if there is a problem you won't blow
> the
> HOT . If everything seems OK, gradually increase AC voltage to full line
> voltage. Check the temperature of the HOT, by placing your finger on the
> HOT
> case, usually they run just warm to the touch, if the HOT is getting hot
> to
> the touch, I have found the following parts can cause the HOT to run hot
> and
> eventually short.(may take a couple days to short)
>
> Capacitor---C4306(#188594)
> Horiz. Driver Transformer---(#215541)
>
> Most of the times the cap solves the problem of overheating of the HOT,
> but
> I did have to replace the transformer also in a couple of repairs.If by
> chance the HOT shorts even at 80v AC, replace R4402 (22 or 27 ohm) in
> the
> base circuit of the HOT. Replace this resistor even if it checks good.
>
> Good Luck!
>
> Dan Webster
> Webster's TV
> Shullsburg, Wi.
>
> --------------------------------------------------------------------------
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> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: gary (at) number63.ca
>
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> teltek3 wrote:
> >
> > This set seems to be generating alot of heat from the Horizontal and the
> > Regulator. Have a temp of 75deg Celsius running on the Horizontal Output
> > heatsink. Isn't that a little high???Also about the same on the
Regulator
> > Heatsink. Picture is normal though, no crowding. Have I missed
something.
> > The 10ufd/250volts was quite hot too, I changed it, but the new one is
> > running about the same temp. Anything I may have missed????
> >
> > -Ed-
> > Tel-Tek Electronics
> > Ontario-Canada
> > teltek3@xxxxxxxxxxxx
> >
> >
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