[TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac applied
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 16 Sep 2004 18:35:19 -0400
Maybe 2 problems.......squealing supply AND defective flyback. Scope the
collector on startup to see if waveform is distorted.
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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RCA CTC195
Squealing Noise - High Pitch / Unit Works Ok
Dick'S Radio & Tv, Inc.
Apply Silicone To All The Ferrite Beads In The Smps
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=================================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)399-1861
(860)664-3535 FAX
jstielau@xxxxxxxx
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----- Original Message -----
From: "Shaun" <satguy@xxxxxxxxxxxxx>
To: "tech" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 16, 2004 5:15 PM
Subject: [TechAssist] RCA CTC195K Model 60920BL Squeels when ac applied
> This set squeals when AC is applied. It will try to turn on if power
> button
> is pushed but will do the three time try then go back to the squeal. Horz
> output is good all caps in power supply are good checked all diodes in
> power
> supply. I removed collector on horz out and still squeals with it out of
> the
> circuit. Need a few other tips if anyone has any. There where no squealing
> tips on the web site.
>
> Shaun
>
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
>
>
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