kezia932 0 Posted February 26, 2008 AVTECH 761 DVR i shut the unit down today to do work in the house and since then when i powered it up again i have had no picture on it .tried new bnc scart from maplins but still no picture ,unit powers up and cameras are working as far as i can see outside but no picture on boot up any know what causing this its only 3 days old thanks j Share this post Link to post Share on other sites
EagleEye 0 Posted February 26, 2008 Alot of times the power supplies go up in the avtechs. I've noticed this in many occurances. Check and see if your getting 19v with a meter. I forgot how mant amps it is exactly. Share this post Link to post Share on other sites
