[TechAssist] Re: RCA CTC169BG2 model# F35100ST Dead
- From: "Larry E." <videotech@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 20 Sep 2002 15:21:49 -0400
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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