R RJohns777 Member Joined 2011 2021-06-30 7:08 pm #1 2021-06-30 7:08 pm #1 Working on an Ore Audio SA3000.1. Power supply is running. I have rail to rail oscillation but no audio. I have signal to the driver board. The LM311 on the drive board is running hot to the touch. Anyone familiar with this driver board? Attachments 20210630_124752.jpg 635.4 KB · Views: 94 20210630_124809.jpg 991.8 KB · Views: 85 20210630_124819.jpg 900.8 KB · Views: 76 20210630_125025.jpg 818.4 KB · Views: 94 P Perry Babin Member Joined 2003 bcae1.com 2021-06-30 10:26 pm #2 2021-06-30 10:26 pm #2 Do you have input to the 2113? R RJohns777 Member Joined 2011 2021-07-01 6:59 pm #3 2021-07-01 6:59 pm #3 Yes, low and high side. R RJohns777 Member Joined 2011 2021-07-01 7:22 pm #4 2021-07-01 7:22 pm #4 Found it Perry. Fine cracked ring around the leg of the filter inductor. Rookie mistake. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
Working on an Ore Audio SA3000.1. Power supply is running. I have rail to rail oscillation but no audio. I have signal to the driver board. The LM311 on the drive board is running hot to the touch. Anyone familiar with this driver board?
P Perry Babin Member Joined 2003 bcae1.com 2021-06-30 10:26 pm #2 2021-06-30 10:26 pm #2 Do you have input to the 2113? R RJohns777 Member Joined 2011 2021-07-01 6:59 pm #3 2021-07-01 6:59 pm #3 Yes, low and high side. R RJohns777 Member Joined 2011 2021-07-01 7:22 pm #4 2021-07-01 7:22 pm #4 Found it Perry. Fine cracked ring around the leg of the filter inductor. Rookie mistake. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
R RJohns777 Member Joined 2011 2021-07-01 6:59 pm #3 2021-07-01 6:59 pm #3 Yes, low and high side. R RJohns777 Member Joined 2011 2021-07-01 7:22 pm #4 2021-07-01 7:22 pm #4 Found it Perry. Fine cracked ring around the leg of the filter inductor. Rookie mistake. You must log in or register to reply here.
R RJohns777 Member Joined 2011 2021-07-01 7:22 pm #4 2021-07-01 7:22 pm #4 Found it Perry. Fine cracked ring around the leg of the filter inductor. Rookie mistake.
