Well yeah...we use "metric" ohms here. Like Farenheit and Celsius. -Ed- Tel-Tek Electronics Ontario-Canada teltek3@xxxxxxxxxxxx ----- Original Message ----- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Friday, July 18, 2003 2:34 AM Subject: [TechAssist] Re: Zenith flyback --FIXED > Ed, > Must be that Canadian exchange rate for voltage measurements. > I have always read around 50vdc,....anything higher than 60vdc on a HOT, I chuck. > > Jeff Dougherty > Intrepid Video TV/VCR > 263 S Front St > Steelton PA 17113 > fax...717-564-4952 > www.intrepid-video.com www.tech-repair.net > > ----- Original Message ----- > From: "teltek3" <teltek3@xxxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Wednesday, July 16, 2003 2:48 PM > Subject: [TechAssist] Re: Zenith flyback --FIXED > > > Jim; > 45 ohms??? I normally read 120 to 145 ohms..are you sure about 45? > > -Ed- > Tel-Tek Electronics > Ontario-Canada > teltek3@xxxxxxxxxxxx > ----- Original Message ----- > From: "Jim Myers" <jr.myers@xxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Wednesday, July 16, 2003 1:36 PM > Subject: [TechAssist] Re: Zenith flyback --FIXED > > > > Tom, R-U sure? Most HO transistors have an internal base to emitter > resistor > > of about 45 ohms. This is a mistake we have all made at least once. > > ************************************************** > > Jim Myers > > Since 1972 > > Telrad Electronic Services Co. > > Fort Wayne, IN 46815 > > ************************************************* > > ----- Original Message ----- > > From: "Tri-County Tv" <tricountytv@xxxxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Wednesday, July 16, 2003 12:29 PM > > Subject: [TechAssist] Re: Zenith flyback --FIXED > > > > > > Jeff, > > Sorry it took a little while to get back to you, as I busy kicking > > myself in the AXX as you were completely right, and I should have known > > better. The H.O. Transistor has a base to emitter short of 45 ohms, when I > > checked it in circuit it read shorted but I took for granted it was just > > drive transformer secondary winding. But when you think about it > logically, > > it had to be the H.O.Transistor. Thanks Again , and to all who replied so > > quickly. > > Tom Berger > > Tri-County TV > > Robbinsville > > North Carolina 28771 > > (tricountytv@xxxxxxxxxxxxx) > > ----- Original Message ----- > > From: "Shoreline Electronics" <jstielau@xxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Wednesday, July 16, 2003 12:23 PM > > Subject: [TechAssist] Re: Zenith flyback --need sub info > > > > > > > Remove the output transistor completely: Fire up the set and check for > > good > > > base drive...that will confirm your H-drive question: > > > > > > Try another output transistor to be sure....it really sounds like it's > > > defective...since PS is not squealing once you unsolder the collector. > > > > > > ========================== > > > Jeff Stielau > > > Shoreline Electronics Repair > > > 344 East Main Street > > > Clinton,CT 06413 > > > 860-399-1861 > > > 860-664-3535 (fax) > > > jstielau@xxxxxxxx > > > ========================== > > > "If you push something hard enough it will fall over." > > > Fudd's First Law of Opposition - Sir Sidney Fudd > > > > > > > > > ----- Original Message ----- > > > From: "Tri-County Tv" <tricountytv@xxxxxxxxxxxxx> > > > To: <techassist@xxxxxxxxxxxxx> > > > Sent: Wednesday, July 16, 2003 12:14 PM > > > Subject: [TechAssist] Re: Zenith flyback --need sub info > > > > > > > > > > Jeff, > > > > I checked that and it's good.I did notice that there is no b+ > > > getting > > > > to the driver transformer and I'm not sure if I should have voltage > > there > > > > when you first plug it in. > > > > Tom Berger > > > > Tri-County TV > > > > Robbinsville > > > > North Carolina 28771 > > > > (tricountytv@xxxxxxxxxxxxx) > > > > ----- Original Message ----- > > > > From: "Shoreline Electronics" <jstielau@xxxxxxxx> > > > > To: <techassist@xxxxxxxxxxxxx> > > > > Sent: Wednesday, July 16, 2003 12:02 PM > > > > Subject: [TechAssist] Re: Zenith flyback --need sub info > > > > > > > > > > > > > Your Horizontal Output is probably shorted. > > > > > > > > > > ========================== > > > > > Jeff Stielau > > > > > Shoreline Electronics Repair > > > > > 344 East Main Street > > > > > Clinton,CT 06413 > > > > > 860-399-1861 > > > > > 860-664-3535 (fax) > > > > > jstielau@xxxxxxxx > > > > > ========================== > > > > > "If you push something hard enough it will fall over." > > > > > Fudd's First Law of Opposition - Sir Sidney Fudd > > > > > > > > > > > > > > > ----- Original Message ----- > > > > > From: "Tri-County Tv" <tricountytv@xxxxxxxxxxxxx> > > > > > To: <techassist@xxxxxxxxxxxxx> > > > > > Sent: Wednesday, July 16, 2003 11:19 AM > > > > > Subject: [TechAssist] Zenith flyback --need sub info > > > > > > > > > > > > > > > > Hello, > > > > > > I got this zenith color TV model SS2761S , module 9-913 > > ,and > > > > the > > > > > flyback had a slit in the side with stuff oozzing out , Flyback # > > > 95-4203 > > > > , > > > > > when you look this # up on tritronics, it shows a 95-4203-REP for 17 > > > > > dollars, so I ordered it, and installed it into the module and now , > > > when > > > > > you plug it in, the ps squeals, so I replaced all the usual ps > > > components, > > > > > and same problem,also checked for shorts on secondary of fly and > > > > everything > > > > > looks ok, If I disconnect the collector of the HOT it stops > squealing > > > and > > > > ps > > > > > voltages return to normal, however I am not reading and B+ on any > legs > > > of > > > > > the driver transformer, I do not have the schematic and would > greatly > > > > > appreciate if someone could upload one. Could this replacement fly > be > > > the > > > > > trouble? Has anyone had experience with this flyback? > > > > > > Tom Berger > > > > > > Tri-County TV > > > > > > Robbinsville > > > > > > North Carolina 28771 > > > > > > (tricountytv@xxxxxxxxxxxxx) > > > > > > > > > > > > > > > > > > > > > **************************************************************************** > > > > > * > > > > > > CHECK OUT THE NEW CHATROOM! 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