[TechAssist] Re: RCA CTC169BG2 model# F35100ST Dead
- From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 20 Sep 2002 13:26:01 -0500
Also check the two small lytics that are right next to the reg control IC,
one of them is bad, then there is a third larger cap close by, replace all
three.
Jim Myers
Since 1972
Telrad Electronic Services Co.
Fort Wayne, IN 46815
jr.myers@xxxxxxxxxxx
260-432-4486 Fax and Voice
Fax is always on
----- Original Message -----
From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 20, 2002 12:19 PM
Subject: [TechAssist] Re: RCA CTC169BG2 model# F35100ST Dead
Larry:
If you can't scope the HOT collector scope a secondary such as the 200v
supply. Set the scope on Normal trigger and trigger at about 200v, and hit
the power button. Look for ringing.
I have seen several bad IHVTs
Wayne Vanaman
Omega Electronics
6904 W Fairfield Dr
Pensacola, Fl. 32506-3310
850-456-5995 voice
850-458-6369 fax
Mailto:Wayne@xxxxxxxxxxxxxxxxxxxxx
WWW.PensacolaTVRepair.Com
----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 20, 2002 12:12 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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