Bill, Thank you for the heads up on the RCA 2% info. I've been in RF&Microwave Calibration and repair for over 20 years, and this is a new one on me. Of course, RCA doesn't do much test equipment. Hope the 2% does it for you.
Jay Cashman Jay Cashman Services 3824 Ance Creek Rd Reeds Spring MO. 65737 (417)272-9789 Satellite, Home Entertainment and Computer Installation, Service and Repair ----- Original Message ----- From: "Bil Green" <[EMAIL PROTECTED]> To: "ELECTRONICS PROFESSIONALS LIST" <[EMAIL PROTECTED]> Sent: Tuesday, 02 November, 2004 12:44 Subject: Re[2]: [Techs] Need Resistor Value (5 color bands - readable) > Hi Jay, > > Thanks for your advice. Someone suggested that it may be 680 Ohm (with > the red indicating 2% - common with RCA flameproof) and I suppose you > would disregard the white band. > > Andrews Electronics has one in stock, so I ordered it and will check > the resistance tomorrow when I get it. I hope it's very rare that > those selected resistors are used. > > > Bil Green > PC 1000 > Mammoth Lakes, CA 93546 > 760-924-1000 > > Tuesday, November 2, 2004, 9:50:51 AM, you wrote: > > JC> Bill, > JC> This seems to be a "selected value" resistor, and starting with the band > JC> closest to one end of the resistor, you read the exact value of the > JC> resistor, either 68129 ohms or 92186 ohms. It's a pain in the butt, but > JC> you're looking at measuring many of your stock resistors to find one with > JC> the exact value - and pray that your DMM is accurate to 1 ohm. This is > JC> probably a current setting resistor, so you could even put in a 10k pot as a > JC> rheostat and set the value that way, then "tweak" it untill the circuit > JC> works properly. > JC> Good luck! > > JC> Jay Cashman > JC> Jay Cashman Services > JC> 3824 Ance Creek Rd > JC> Reeds Spring MO. 65737 > JC> (417)272-9789 > JC> Satellite, Home Entertainment and Computer > JC> Installation, Service and Repair > JC> ----- Original Message ----- > JC> From: "Bil Green" <[EMAIL PROTECTED]> > JC> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> > JC> Sent: Tuesday, 02 November, 2004 01:50 > JC> Subject: [Techs] Need Resistor Value (5 color bands - readable) > > > >> Panasonic PV-DM2799 > >> 27" TV-DVD-VCR > >> > >> The SMPS is not running and I found an open resistor, and > >> a shorted STRG6651 power converter chip. D1508 was also > >> shorted. > >> > >> Scraping the coating off of one side of the 1/4W resistor, > >> I was able to measure as high as 100 Ohms from each end to > >> the break in the center. > >> > >> It's not at all burnt, but ~200 Ohms or so isn't even close > >> to the color code (any way I read it). My trick didn't work > >> this time! > >> > >> The colors on the resistor are as follows: > >> BLUE - GRAY - BROWN - RED - WHITE > >> > >> or it could be read: > >> WHITE - RED - BROWN - GRAY - BLUE > >> > >> The STRG6651 reads 5 Ohms from pin 3 to pin 4 so I figure > >> it's toast. > >> > >> Bil Green > >> PC 1000 > >> Mammoth Lakes, CA 93546 > >> 760-924-1000 > >> > >> > >> _______________________________________________ > >> Tech Repair CD...order your just $49.00 plus shipping...One year of > JC> 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 > >> > > > JC> _______________________________________________ > JC> Tech Repair CD...order your just $49.00 plus shipping...One year of updates free. > JC> www.intrepid-video.com www.tech-repair.net > JC> Techs mailing list > JC> [EMAIL PROTECTED] > JC> 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
