Search found 2 matches

by thx1138
Tue Apr 14, 2009 5:23 pm
Forum: Projects & Kits
Topic: I need help with the DC-DC converter kit
Replies: 4
Views: 2753

Re: I need help with the DC-DC converter kit

Hello, Try disconnecting the primary of the transformer and see if you still see the hot Q2. Better still would be to monitor the current if you have a meter. Sounds like you have a bad transistor though You should also be able to check for a Drain/Source short using a ohm meter with the primary dis...
by thx1138
Tue Apr 14, 2009 7:17 am
Forum: Projects & Kits
Topic: I need help with the DC-DC converter kit
Replies: 4
Views: 2753

Re: I need help with the DC-DC converter kit

Is the transformer connected into the circuit? I had a similar problem and found a short on the PC Board foil pattern.