[TechAssist] Re: Re Toshiba 19a24 blowing out transistor
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 5 Oct 2005 09:33:55 -0400
The load test won't show a bad HV section in the flyback. Had two RCA's that
showed Good load readings and good timing readings and took out the new HOT.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Damon" <damoneb@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 05, 2005 9:25 AM
Subject: [TechAssist] Re: Re Toshiba 19a24 blowing out transistor
>I don't see all the replies on this...too bad.
> If all that tested ok, then the only thing that can pop a Horiz output
> that
> fast is either an open retrace diode or......
> Wrong H Output
> Off value capacitor in the H ladder or any cap tied to the Horiz output's
> Collector
> Excessively shorted load....Secondaries on the IHVT
> Short in Primary of IHVT
>
> Sounds like you might have to verify that replaced IHVT....what was the
> original complaint--shorted H out??
> Right now you're just going around in circles after all that testing.....
>
> Damon B
> Telrad Electronics
> Fort Wayne IN
> ----- Original Message -----
> From: "Don Gushue" <rybeck@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 05, 2005 7:43 AM
> Subject: [TechAssist] Re Toshiba 19a24 blowing out transistor
>
>
>> Thanks guy,S,I did check yoke also other tech replaced flyback before I
> got
>> it.
>> Eric I will check out what you said and get back to you guy,s Like I said
> it
>> passed load test( hor ) on my Sencore.
>> Thanks all for your input
>> Don
>> have a great day
>>
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