[TechAssist] Re: ctc185aa9 q4114+q4116+q4401 short
- From: "Jonas Miglinas" <miglinasj@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 24 Sep 2001 19:18:14 -0500
Clint
Thanks again for your suggestions,what it ended up beeing was the yoke.
Using a variac and starting at 40v, the unit would start up and play at
around 80v. I kept it there while scoping and checking voltages and i
noticed a burning smell, but not from the chassis, but from the yoke.
I guess there wasn't enough current to blow the h-output at 80v , but
under full load it would simulate a bad h- xmer. Three regulators and three
h-outputs later will teach this old dog to slow down and think.
Regards Jonas
----- Original Message -----
From: "TechAssist Admin." <techassist@xxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 12, 2001 6:51 AM
Subject: [TechAssist] Re: ctc185aa9 q4114+q4116+q4401 short
>
> Jonas, all I have is to replace Q4114 with # 242204, replace
> CR4104, CR4704, check Q3901, C3901, C5 & U4102 (it it's not
> the reg you replaced).
> -Clint
>
> God Bless Us All
> http://orpheuscomputing.com
> Clint Hamilton, Owner
> sales@xxxxxxxxxxxxxxxxxxxx
> Tech-Assist Administration
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> techassist@xxxxxxxxxxxxx
> (PLEASE include previous correspondence
> if replying to this email!!)
>
> ----- Original Message -----
> From: "Jonas Miglinas" <miglinasj@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 12, 2001 6:17 AM
> Subject: [TechAssist] ctc185aa9 q4114+q4116+q4401 short
>
>
> hi all, found this set with regulator and hot shorted in this
> 10 month old set(ctc185aa9) replaced parts and turned set on
> hv came up then shorted all parts replaced in 2 seconds. i
> replaced flyback and again q4114+Q4116+Q4401 turned set on
> and in 2 seconds shorted all replaced parts again. any help
> would be greatly appreciated. thanks jonas
>
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>
>
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