LeRoy, Bipolar caps have no polarity. thought you'd get me on that one- didn't you<G>
None of the caps are tantalum's. Verified polarities already. back to the drawing bd. Thanks, Frank -- HQ Electronics 218 N 1st St Shelton WA 98584 360-426-3336 (Shared phone and fax) http://www.hqelec.com ----- Original Message ----- From: "LeRoy Westlund" <[EMAIL PROTECTED]> To: "ELECTRONICS PROFESSIONALS LIST" <[EMAIL PROTECTED]> Sent: Tuesday, July 13, 2004 12:18 PM Subject: Re: [Techs] Mits vert help needed. > Frank, > I'm almost poitive that you put one or both of the bi-polar Tandalam caps > back in showing the wrong polarity. > The end with the band on it, is +. > The missing cap does not need to be there. > The same thing happened to me, a few months ago. > > 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: HQ Electronics <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] <[EMAIL PROTECTED]> > Date: Tuesday, July 13, 2004 12:59 PM > Subject: [Techs] Mits vert help needed. > > > >Make: Mitsubishi > >Model: CS3515R > >Sams: 3055 Note- not 100% vert circuit correct for this model. one cap > >shown in sch. missing on bd from factory. Also 30v PS feed shows 12 pins on > >IHVT this one has 10 as near as I can tell. > >Problem: came in with no vertical. > >I now have vert sweep, but it does not fully fill the screen. The top > 1.5-2" > >is black with retrace lines below that. > > I used QUALITY parts, all checked before I replaced them, and even subbed > >the known good quality vert IC with another good quality one. (From an > >entirely different source & batch --just in case) > > > >This one has me flummoxed! > >I have replaced the following : > >IC4E1- LA7838 > >C538 [EMAIL PROTECTED] > >C4E2 [EMAIL PROTECTED] > >C4e4 [EMAIL PROTECTED] > >C5J9 [EMAIL PROTECTED] > >C965 [EMAIL PROTECTED] > >C4F3 [EMAIL PROTECTED] > >[EMAIL PROTECTED] > >[EMAIL PROTECTED] > >Q4A1 2SC2234 subbed with 2SC2235 (30 V reg.) > >Note: 30V line to vert solid at 29.5VDC > > > >There are 2 bipolar elect caps that I ESR'd-- OK-- and one cap that shows > >elect in the schematic but is a 1 mfd mylar in the set. > > > >I have repaired several traces the "fish oil" has damaged and double > checked > >that I put in the 'lytics with proper polarity. > > The set will slowly lose more vertical the longer its left on, > >predominantly from the top, but does pull up from the bottom too. > > > >What have I missed?? > >(Could this be a yoke problem?) > > > >Thanks! > >Frank > > > > > >-- > >HQ Electronics > >218 N 1st St > >Shelton WA 98584 > >360-426-3336 (Shared phone and fax) > >http://www.hqelec.com > > > > > >--- > >Outgoing mail is certified Virus Free. > >Checked by AVG anti-virus system (http://www.grisoft.com). > >Version: 6.0.719 / Virus Database: 475 - Release Date: 7/12/2004 > > > > > >_______________________________________________ > >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 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.719 / Virus Database: 475 - Release Date: 7/12/2004 _______________________________________________ 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
