H Hexhclass Member Joined 2010 2017-06-18 1:40 pm #1 2017-06-18 1:40 pm #1 The drive signal to one bank of the 640s is not good.The 470 ohms resistors test ok on that side.I haven't pull the drivers for test yet.Any suggestion before i pull the driver board? 10v/dv 5/us Attachments IMG_20170617_140044.jpg 202.8 KB · Views: 108 IMG_20170617_140901.jpg 548.4 KB · Views: 106 P Perry Babin Member Joined 2003 bcae1.com 2017-06-20 4:21 pm #2 2017-06-20 4:21 pm #2 Do you have 12v for each vertical pair of driver transistors on the driver board (measured from collector to collector)? Status Not open for further replies.
The drive signal to one bank of the 640s is not good.The 470 ohms resistors test ok on that side.I haven't pull the drivers for test yet.Any suggestion before i pull the driver board? 10v/dv 5/us
P Perry Babin Member Joined 2003 bcae1.com 2017-06-20 4:21 pm #2 2017-06-20 4:21 pm #2 Do you have 12v for each vertical pair of driver transistors on the driver board (measured from collector to collector)?
Do you have 12v for each vertical pair of driver transistors on the driver board (measured from collector to collector)?
