[TechAssist] Re: RCA CTC169BG2 model# F35100ST Dead
- From: "AURTRON" <Aurtron@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 22 Sep 2002 07:25:24 -0400
Had one of these the other day, there was signal called "protect" [I think]
that came from sound board to micro that was shutting down. Problem turned
out to be leaky, stinky, elect. cap in middle of sound board. Had done
typical board damage.
Don
Aurora Electronics
Florida
Aurtron@xxxxxxxxxx
----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 20, 2002 3:21 PM
Subject: [TechAssist] Re: RCA CTC169BG2 model# F35100ST Dead
>
> Ed, switch mode is operational, I have raw B+ at collector of chopper
> and Regulated B+ (144 volts) on collector of HOT, problem is with
> 15v line I think, thanks, Larry
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl.
>
> Edward Gaidies wrote:
>
> > Have you replaced the parts in the Regulator circuit. 3 Caps and the IC.
> >
> > -Ed-
> >
> > Tel-Tek Electronics
> > Midland, Ontario
> > Canada.
> > teltek2@xxxxxxxxxxxx
> > ----- Original Message -----
> > From: "Larry E." <videotech@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, September 20, 2002 1:12 PM
> > Subject: [TechAssist] RCA CTC169BG2 model# F35100ST Dead
> >
> >
> >
> >>Hi guys, working on a CTC169 BG2 chassis, set develops HV for 1 second
> >>and immediately collapses,I have normal Raw and Regulated B+, 15v
> >>standby is @ 12.5 volts, 5 volt standby is 4.8 volts. Replaced cr4118
> >>and C4145 made no difference. Pulled the jumper wire jw324 to disconnect
> >>the 15 volt B&C loads and the 15v line only came up to 13.6, is this
> >>normal B+ in standby or does it indicate a load on the 15 volt "A"
> >>source ? HV doesn`t stay up long enough to indicate if the 26 volt
> >>scan derived source is trying to develop or not, any help appreciated.
> >>
> >>--
> >>Larry Eastman
> >>American TV & Electronics
> >>Crystal River, Fl.
> >>http://www.tvjunkyard.com
> >>
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> --
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl.
> http://www.tvjunkyard.com
>
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