[TechAssist] Re: RCA CTC169 (PS27113) HOT Q4401 Shorts after about 30 seconds.
- From: "John Conti" <contitv@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 30 Nov 2005 08:19:29 -0600
Dale, Try replacing c4307, c4810, Y4301. I think just the caps will do.
John
Conti,sTV
Texas
>From: Dale Lubow <harristv@xxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: TechAssist <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] RCA CTC169 (PS27113) HOT Q4401 Shorts after about 30
>seconds.
>Date: Tue, 29 Nov 2005 22:05:01 -0600
>
>Unit came in with the HOT Q4401 shorted. I thought I would cover all my
>bases by replacing CR4401, C4401, CR4402, C4402, C4403, CR4118, C4145. Also
>soldered normal flyback pins, driver transformer pins, Pincushion
>transformer pins and any other questionable connections. Before I applied
>B+
>to the deflection circuit I made sure it wasn't running to high. Actually
>it
>was running 123 volts in standby which I think is a little low. I even
>measured the HV at 29KV before I connected the CRT. So I hooked everything
>up, pressed the power button and I had sound and picture. It looked like it
>was running normally but in about 30 seconds it shut down and shorted the
>HOT again. The transistor was even still cold to the touch. Does any one
>have any ideas on what might be going on?
>TIA,
>Dale
>
>--
>Dale A. Lubow CET
>Harris TV & Appliance
>335 Lincoln Way
>Ames, IA 50010
>515-232-1109 (Voice)
>515-232-3356 (Fax)
>HarrisTV@xxxxxxxxx
>
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