[TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac applied..update
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 Sep 2004 18:10:07 -0400
Sounds like you still have a short in the HOT circuit somewhere. Can you
check the timing and the load?
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Shaun" <satguy@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 21, 2004 5:42 PM
Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
applied..update
> Ok replaced the flyback (239111) and still have the squealing when ac is
> applied. This time it shorted the horz output. The old fly did ring bad. I
> can not find any bad parts in the power supply. It will still squeal with
> the horz output removed. Any one have any help?
>
> Shaun
>
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
> ----- Original Message -----
> From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, September 17, 2004 4:37 AM
> Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
> applied
>
>
>> I am showing the following:
>>
>> Part# 239111
>> Ref# T14401
>> TRANSFORMER IHVT TDS29
>> Drawing# XX15128-12D
>>
>> Bob Waterman, CET® #RI-28
>> Master Technician License #9109
>> Service Manager / Parts Manager
>> Gemini Computer, TV, & Security Alarms
>> (508)695-7302
>> (508)695-7769 FAX
>> geminitv@xxxxxxxxxxx
>> geminitv@xxxxxxx
>> www.geminicomputertvsecurityalarms.com
>>
>>
>>
>> ----- Original Message -----
>> From: "Shaun" <satguy@xxxxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Thursday, September 16, 2004 8:36 PM
>> Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
> applied
>>
>>
>> > Do you know the part number for the flyback? I seem to remember there
> were
>> > some problems with this chassis and the flyback replacement.
>> >
>> > Shaun
>> >
>> > Advanced Electronics
>> > 224 West Riverview Ave.
>> > Fort Morgan, CO 80701
>> > ----- Original Message -----
>> > From: "al m" <ampm@xxxxxxx>
>> > To: <techassist@xxxxxxxxxxxxx>
>> > Sent: Thursday, September 16, 2004 4:49 PM
>> > Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
>> applied
>> >
>> >
>> > > Replace the flyback.
>> > > Al Marquardt
>> > > ampm@xxxxxxx
>> > > Al Marquardt Electronic Repair
>> > > 206 W Main
>> > > Girardville Pa. 17935
>> > > ----- 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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