Jim, I have this, if it helps, From Tech Repair CD: JVC\AV20120\No audio--various other symptoms\\\FV3\Heavy side of PCB is supported by only one post. Serial data and clock lines area\Too much weight and a little rough handling will crack the board\Run jumpers and add additional supports\\\\\\ It may be cracked differently...sounds like it could cause your symptom., Jeff -- Intrepid Video TV/VCR Repair 263 S Front St, Steelton PA 17113 717-939-7708; (F) 717-564-4952 www.intrepid-video.com www.tech-repair.net ----- Original Message ----- From: "Jim Myers" <jr.myers@xxxxxxxxxxx> To: "TechAssist" <techassist@xxxxxxxxxxxxx> Sent: Tuesday, June 29, 2004 5:15 PM Subject: [TechAssist] JVC Model AV-20220 video switching problem, need schematic. Hi, I need a schematic or a partial scan with the video switching circuitry. In tuner mode I get tuner audio but video from video 1 input. Video 1 mode is ok and video 2 mode is ok. Thanks, ********************************************************************************************************** ********* Since 1972 Jim Myers Telrad Electronics Fort Wayne, Indiana ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/