[TechAssist] Re: RCA CTC169BG2 model# F35100ST Dead
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 20 Sep 2002 18:08:06 -0500
Hey Larry,
Is this TV the one with the two HV anode wires? One comes from the IHVT and
the second one goes to the Focus/Screen block?
If so, I saw one TV that exhibited your problem, removing the anode wire at
the anode cup that connects to the Focus/Screen Block allowed the TV to
power up and stay up.
Sorry no help for the 15V supply, you've already checked everything that I
know about.
Damon Brunger
damon101@xxxxxxxxxxxxxx
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 20, 2002 2:21 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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