Solution....use the proper subs. If you want to experiment.....stand by for call backs. -Ed- Tel-Tek Electronics Midland, Ont. Canada. teltek2@xxxxxxxxxxxx "Quality will be remembered, long after Price is forgotten" ----- Original Message ----- From: "Gary McCartney" <number63@xxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Tuesday, June 18, 2002 11:27 AM Subject: [TechAssist] Re: NTE Parts > > I always understood that to have two diodes in parallel, you need to > have a very small resistance in series with each diode to prevent the > one diode from conducting all the current. With that being said, the > theory should indicate that only one of the two dampers will conduct. I > still wouldn't want to try it though. > > > > > Gary McCartney > > McCartney Electronics > 7134 Fife Rd, RR 7 > Guelph Ontario Canada N1H 6J4 > Fax: (519)821-1530 > email: number63 (at) inetsonic.com > > > > > > Ed Gaidies wrote: > > > > 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. > > >>> Order your tip CD today. Filled with TV, VCR, camcorder tips and more. > > >>> Version 3.0, ready, with more tips, user friendly program. > > >>> $49.00 for CD, plus first year of tip updates. > > >>> sales@xxxxxxxxxxxxxxx for more info > > >>> www.tech-repair.net www.intrepid-video.com > > >>> 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 > > >>>> > > >>>> > > >>>> > > >>>> --------------------------------- > > >>>> Do You Yahoo!? > > >>>> LAUNCH - Your Yahoo! 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