Hi, I have two lights out in my EBD, the 12 (target) and the B lane. There is continuity from the respective connecter pin to the bulbs. The bulbs won’t light when grounded from the pin or the transistor. Any ideas what to check?
(Topic ID: 259981)
Chesterfield, MO
Let’s check for a bad socket.
Use a clip lead to jumper from the solder tab of a working lamp to the solder tab of the suspect lamp. Do this only for a moment as the driving SCR is driving more than the design load. If both lamps light at the same time then the socket is good. Otherwise, replace or repair the socket.
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Chris Hibler - CARGPB #31
Http://chrishiblerpinball.com/contact
http://www.PinWiki.com/ - The new place for pinball repair info
1 week later
Chris thanks so much for your help! I used a jumper from good light to bad light, it didn’t light. Then I used the jumper from the bad light to the ground wire, it lit. Turned out one was a bad socket (soldered to repair), and the other was a bad ground from when I swapped the playfield. Thanks again!
Karen
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