Justice1 0 Posted March 8, 2008 Hi, I am in urgent need for help with my samsung techwin svr 1630 16 channel recorder. It has developed a fault on the power supply. Does any one have the actual circuit component diagrams or know of anyone whom can repair such units. the unit can be switched on, yet not off via the switch and only some of the led lights function as the full start up routine fails to run. Very Kind Regards Graham swagarth at btinternet dot com Share this post Link to post Share on other sites