Jay, Someone finally replied with the correct value, and sure enough it is 680 Ohms. One more thing to remember when checking resistors. Red forth band means 2% tolerance (and the fifth band doesn't really matter in most cases, I guess).
Bil Green PC 1000 Mammoth Lakes, CA 93546 760-924-1000 Wednesday, November 3, 2004, 5:22:39 AM, you wrote: JC> Bill, JC> Thank you for the heads up on the RCA 2% info. I've been in RF&Microwave JC> Calibration and repair for over 20 years, and this is a new one on me. Of JC> course, RCA doesn't do much test equipment. Hope the 2% does it for you. 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: "ELECTRONICS PROFESSIONALS LIST" <[EMAIL PROTECTED]> JC> Sent: Tuesday, 02 November, 2004 12:44 JC> 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 JC> 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, JC> but >> JC> you're looking at measuring many of your stock resistors to find one JC> with >> JC> the exact value - and pray that your DMM is accurate to 1 ohm. This JC> is >> JC> probably a current setting resistor, so you could even put in a 10k JC> pot as a >> JC> rheostat and set the value that way, then "tweak" it untill the JC> 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 JC> 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 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
