partyanimallighting
- Oct 22, 2012
- 330
- Joined
- Oct 22, 2012
- Messages
- 330
Hello everyone,
This PCB runs on 12V AC in from a transformer and the is an AC/DC converter to 18V DC and it has three motors that control a shutter, an iris and a color wheel (the terminals for these motors on on the right of the image). I repaired a similar PCB before which had a faulty relay and diac (located bottom left) but the other pcb has a different problem (I swapped out these parts from the repaired pcb and this pcb still did not function). When I power it up, I get 18V at the relay terminals and an audible click from the relay but the red LED does not light. My electronics knowledge is very basic but I really need to get this pcb repaired. A moderator and someone else was helping me before but I have not gotten a response for some time now as they're probably busy. Any ideas?
This PCB runs on 12V AC in from a transformer and the is an AC/DC converter to 18V DC and it has three motors that control a shutter, an iris and a color wheel (the terminals for these motors on on the right of the image). I repaired a similar PCB before which had a faulty relay and diac (located bottom left) but the other pcb has a different problem (I swapped out these parts from the repaired pcb and this pcb still did not function). When I power it up, I get 18V at the relay terminals and an audible click from the relay but the red LED does not light. My electronics knowledge is very basic but I really need to get this pcb repaired. A moderator and someone else was helping me before but I have not gotten a response for some time now as they're probably busy. Any ideas?