It's OK, Jeff. I owed you one ! No need to send me a check this time,...but,...I'm not going to continue working, and driving 2,000 miles over night,...for nothing ! ;-)
LLW LeRoy Westlund Westlund TV & Electronics 97 North Main "Where there's a will,... Centerfield, UT 84622-0087 There's always a way." Ph./Fax 435-528-3822 mailto:[EMAIL PROTECTED] -----Original Message----- From: Intrepid Video Support <[EMAIL PROTECTED]> To: ELECTRONICS PROFESSIONALS LIST <[EMAIL PROTECTED]> Date: Thursday, March 25, 2004 1:20 PM Subject: [Techs] Fixed TA Orion TV1934 dead(2002) >Someone snuck into the shop overnight and fixed this for me....oddly enough when I started checking the >set this morning, I noticed my voltages all of a sudden appeared. Perhaps before I gave up on the unit >Wed, I inadvertently fixed it.. >I found B+ on the HOT, but no voltages on the hor drvr transistor, s/b 27vdc and nothing on the >transformer on either winding. >I hooked my Sencore up to the base of the transistor and the HOT shorted the first time, the second time >the fuse in the ISO transformer blew...really odd...I replaced the HOT with a 2SD1878 soaked it in freeze >spray and the set worked, got raster and every thing looked fine. I was trying to find the source of the >27 v, using a Toshiba 19A21 schematic right before I closed up yesterday..sent the schematic to a friend >and we tried to figure the circuit out together.. The 27vdc is derived from the unreg 12vdc. >This morning the set worked. Perhaps the HOT was failing or I repaired a bad connection some where along >the line. This set uses 2SD2627 for the HOT, I replaced it with NAP #483513048195. Thanks to all that >offered their help on this. > >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: "Intrepid Video Support" <[EMAIL PROTECTED]> >To: "ELECTRONICS PROFESSIONALS LIST" <[EMAIL PROTECTED]> >Sent: Wednesday, March 24, 2004 10:42 AM >Subject: [Techs] 2nd REQ TA Orion TV1934 dead(2002) > > >Does anyone have a schematic on this unit? All my S/B voltages appear to be correct and when I press >power, some of my voltages increase, as if the unit is running, but never turns on. This set has no relay. >On FBT, my B+ is 136.7, when I press power, it goes to 140v. The 180v line is only at 140v..so I need a >schematic. I checked the FET with a new one and it seems fine. I disconnected the HOT..still no power. >Disconnected the CRT board, yoke..no luck. Voltages on CRT also seem to be what they should be in run..but >set won't turn on. >Thank you. > >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: "Intrepid Video Support" <[EMAIL PROTECTED]> >To: "Tech List" <[EMAIL PROTECTED]> >Sent: Monday, March 22, 2004 5:37 PM >Subject: [Techs] TA Orion TV1934 dead(2002) > > >This is a 2002 model, unit dead. >Customer stated there was no video..but when I apply power, I hear was sounds like the SM start, power >button has no effect(figures). >B+ =140vd..checked many diodes, resistors and can find no problems. I suspect bad flyback, but since the >set doesn't try to start, I'm not sure. >Any one have any records on this, or a schematic? >Thank you. > >Jeff Dougherty >Intrepid Video TV/VCR > > >_______________________________________________ >Tech Repair CD...order your just $49.00 plus shipping...One year of updates free. >www.intrepid-video.com www.tech-repair.net >Techs mailing list >[EMAIL PROTECTED] >http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com > > > > >_______________________________________________ >Tech Repair CD...order your just $49.00 plus shipping...One year of updates free. >www.intrepid-video.com www.tech-repair.net >Techs mailing list >[EMAIL PROTECTED] >http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com > _______________________________________________ Tech Repair CD...order your just $49.00 plus shipping...One year of updates free. www.intrepid-video.com www.tech-repair.net Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com
