[TechAssist] RCA CTC169 (PS27113) HOT Q4401 Shorts after about 30 seconds.
- From: Dale Lubow <harristv@xxxxxxxxx>
- To: TechAssist <techassist@xxxxxxxxxxxxx>
- 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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