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JPM Each Way Nudger PSU Problem


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#1 fruit87

fruit87

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Posted 02 April 2014 - 01:28 AM

I've got a couple of JPM yellow label MPS PSU's. I'm trying to fix at least one, so i can get my old Each Way Nudger going again.

I am in the process of replacing all the Rifa's on C1 - 4. The Rifa i tried to replace on C4 is slightly bigger than the old one. I tried it anyway but it immediately blew the 2 amp fuse. All the Rifa's i bought are rated in nF. The original on C4 was 0.033uF x2 the new one just says 33n Y2. I'm not an expert at electronics, i just learn bits and pieces as i go along. Have i simply bought the wrong Rifa? Do all 4 Rifa's need to be present on the PCB when testing? Only i tried a couple on there first but it keeps tripping the circuit breaker. When all Rifa's were removed and i tested it, the circuit breaker was fine and was on for at least 5 minutes with no problems. Is there any other component that's known for causing a problems with this PSU? I would be so grateful if someone could help solve this.

Thanks :)

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Edited by fruit87, 02 April 2014 - 02:15 AM.





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