Search found 2 matches

by [email protected]
Wed Feb 11, 2004 2:54 pm
Forum: General Discussion
Topic: Tektronix 485 scope repair help needed
Replies: 13
Views: 4064

Re: Tektronix 485 scope repair help needed

hi Miguel,<p>you are right, removing the vertical board the scope comes up fine and all voltages present. I checked the tantalums in circuit (about 15)<p>Any tips on checking caps in circuit? My cap checker only measures to 20uF and shows open when i connect the test leads together so if its over 20...
by [email protected]
Tue Feb 03, 2004 9:50 pm
Forum: General Discussion
Topic: Tektronix 485 scope repair help needed
Replies: 13
Views: 4064

Tektronix 485 scope repair help needed

Tektronix 485 scope repair help needed. My 485 wont come on. It get s power but nothing lights and no low voltage power on the 5v,15v,60v etc. The high voltage section just ticks. <p>It gets power to inverter board but transistor (diode) on inverter board only gets 13vdc rather than the 32vdc it sho...