Well after some time I still haven't figured how that 5V power supply starts. Can anyone tell me what is supposed to start the supply? I have no 5V supply for the micro. Al Marquardt ampm@xxxxxxx Al Marquardt Electronic Repair 206 W Main Girardville Pa. 17935 ----- Original Message ----- From: "al m" <ampm@xxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Sunday, April 25, 2004 1:24 PM Subject: [TechAssist] Chipper check need schematic > My chipper checker stopped working. Does anyone know where to get a print of > the interface box? I opened it up and can find no 5V on the EPROM. I tested > the box with the chipper checker test and it comes up cannot find EPROM. I > need to know what is holding down the 5V. there is a diode by a transformer > that may be a zener but I don't want to fool around too much. Thanks. The 5V > coming through the interconnect cord from the adapter is there until I > connect it to the connector on the interface, then it drops to 1.3V. The box > fell off the desk and right after that stopped working. Can find no > cracks.Thanks. > Al Marquardt > ampm@xxxxxxx > Al Marquardt Electronic Repair > 206 WE Main > Girardville Pa. 17935 > > > > -------------------------------------------------------------------------- --- > 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/