Bob, Do you have a scope, a service manual on this? 28vdc where? The more information you give us, the better the help you'll receive. To find the IC number, it may be here: www.tritronicsinc.com. You will have to register for free to see dealer prices..
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: "Bob's TV Repair" <[EMAIL PROTECTED]> To: "ELECTRONICS PROFESSIONALS LIST" <[EMAIL PROTECTED]> Sent: Thursday, January 15, 2004 3:06 PM Subject: Re: [Techs] JVC AV31BP6 No vertical deflection It has 28Vdc ----- Original Message ----- From: "Joe Tech2004" <[EMAIL PROTECTED]> To: "ELECTRONICS PROFESSIONALS LIST" <[EMAIL PROTECTED]> Sent: Thursday, January 15, 2004 1:58 PM Subject: Re: [Techs] JVC AV31BP6 No vertical deflection Bob, Before replacing that IC, you need to make sure if it has it's vcc....if not, you need to trace back. ============================== JVC AV-35BP5 Courtesy of Jeff Dougherty >From Tech Repair CD: JVC\AV35BP5\No Vertical Bow\Original problem was blown La7845 and the 3.3 ohm series B+ resistor. Replaced these and still no vertical deflection\Uses a LA7845 vertical output. Have vertical drive going into pin 5 of 1 v. PP. There is no output\\Changed Vertical IC- pump up diode and 75v. zener at the same time ============================== JVC AV-27BP4 Courtesy of Warren Campbell, Thought I would share this simple fix for all. 27" JVC AV-27BP4 total vertical collapse 47uf 35v cap and IC LA7837 replaced ============================== [EMAIL PROTECTED] From: [EMAIL PROTECTED] (Bob's TV Repair) Date: Thu, Jan 15, 2004, 1:26pm (EST-1) To: [EMAIL PROTECTED] Subject: [Techs] JVC AV31BP6 No vertical deflection Reply to: [EMAIL PROTECTED] (ELECTRONICS PROFESSIONALS LIST) Set came in with no vertical deflection and I have no schematics. Checked all the caps to no avail. Anyone have any tips on this set. Robert J. Delhommer, Sr. Bob's Electronics & TV Service P.O. Box 40 / 212 W. Lafayette St. Maurice, LA _________________________________________ Please include original text when replying to this email. Once you get your unit repaired, please post the fix to the group. Order your tech repair CD today, Version 3.0 only $49.00-more monitor tips-user friendly program. [EMAIL PROTECTED] www.tech-repair.net ______ Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com Go to the link above and scroll to the bottom to enter your email address Joes....Electronics (Joe:Tech/2004) [EMAIL PROTECTED] Fax::509-479-2283 _________________________________________ Please include original text when replying to this email. Once you get your unit repaired, please post the fix to the group. Order your tech repair CD today, Version 3.0 only $49.00-more monitor tips-user friendly program. [EMAIL PROTECTED] www.tech-repair.net ______ Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com Go to the link above and scroll to the bottom to enter your email address _________________________________________ Please include original text when replying to this email. Once you get your unit repaired, please post the fix to the group. Order your tech repair CD today, Version 3.0 only $49.00-more monitor tips-user friendly program. [EMAIL PROTECTED] www.tech-repair.net ______ Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com Go to the link above and scroll to the bottom to enter your email address _________________________________________ Please include original text when replying to this email. Once you get your unit repaired, please post the fix to the group. Order your tech repair CD today, Version 3.0 only $49.00-more monitor tips-user friendly program. [EMAIL PROTECTED] www.tech-repair.net ______ Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com Go to the link above and scroll to the bottom to enter your email address
