[TechAssist] Re: NTE Parts

  • From: Ed Gaidies <teltek2@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 18 Jun 2002 08:16:56 -0400

I would think you are going way out of the range of safe substitution,
especially with critical components such as Horizontal Outputs.
    But...if it works for you...fine. Not a recomended practice among most
techs.

- Ed -

TEL-TEK ELECTRONICS
Ontario-Canada
"Quality will be remembered....long after Price is forgotten"

teltek2@xxxxxxxxxxxx
teltek@xxxxxxx


> From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> Date: Tue, 18 Jun 2002 03:23:21 +0000
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: NTE Parts
> 
> 
> I have used dampered transisors in non-dampered sets without problems, it is
> when you use non-dampered transistors in a set that requires damper diodes
> that overheating problems arise. Generally if I can't reference a output
> transistor and I need to replace one and don't want to wait to order the
> exact part I'll put in the transistor with the highest voltage and current
> ratings and the fastest switch time. usually this avoids delterious
> problems, there could be possible problems but I haven't had a significant
> one in a number of years. (you do need to watch as not all parts are equal
> and sometimes you can get a bad batch of parts, but not often, The only ones
> that come to mind were gold lettered 2sd1880's that would overheat whereas
> the silver labeled did not. Take this as you may but as always proceed with
> caution, check the HOT temp after 1 min, 5min, ... to ensure problem free
> operation. (pull the plug first as some chasis are live) temprature of
> transistor should be cool enough to touch without causing pain/burns...)))
> 
> Peter Oliver
> TRTV
> 
> 
>> From: Larry <schntv@xxxxxxxxxxxx>
>> Reply-To: techassist@xxxxxxxxxxxxx
>> To: techassist@xxxxxxxxxxxxx
>> Subject: [TechAssist] Re: NTE Parts
>> Date: Mon, 17 Jun 2002 23:07:21 -0400
>> 
>> 
>> Is there an easy way to know if a horiz output transistor has
>> a damper or not.
>> when the number in not in the ECG book, and it is already
>> shorted.
>> what would be the effect if using damper type in set that was
>> made for no damper?
>> Thank you,
>> Larry
>> 
>> 
>> Tech Repair CD support wrote:
>>> 
>>> Jeff,
>>> You don't list your area.
>>> You can use 2SC4769, probably cheaper and more reliable.
>>> Jeff
>>> FAX 717-564-4952
>>> Intrepid Video & Electronics
>>> 501 Luther Rd
>>> Harrisburg PA 17111-2055
>>> Be careful of your thoughts.
>>> They may become your words any moment.
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>>> www.thetoolcaddy.com www.9-11-2001tragedy.com
>>> ----- Original Message -----
>>> From: "jeff myers" <jsmyers24151@xxxxxxxxx>
>>> To: <techassist@xxxxxxxxxxxxx>
>>> Sent: Monday, June 17, 2002 9:59 AM
>>> Subject: [TechAssist] NTE Parts
>>> 
>>>> 
>>>> 
>>>> Hello everyone,
>>>> Someone emailed me about distributing NTE Parts, but I deleted his
>> email (oops).
>>> There are no parts dealers in my area (unless you count Radio Shack,
>> which I
>>> don't), so I'm in need of a parts dealer. What I need is NTE part number
>> NTE2353
>>> (NPN TV horizontal deflection output w/damper diode). A price on one
>> would be
>>> helpful. Also, I'm not loaded down with alot of test equipment, but I
>> need to
>>> check this flyback to make sure it is okay. Is there a way of checking
>> it before I
>>> put this driver in? Thanks,
>>>> Jeff
>>>> 
>>>> 
>>>> 
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>> 
>> --
>> Schneider TV & Electronic Inc.
>> 5415 N. Wooster ave.
>> Dover, Ohio 44622       www.geocities.com/schntv2000/
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