parallax power supply 7345ru parts PWM
My 7345 is not charging the coach batteries but does supply 12power to all accessories. The transformer, fan and relays work fine. Think i need a PWM circuit for it. Contacted PP tec support and th...
Forum Discussion
I attempted "back tracing" on several occassions, after a few dozen repairs of the exact same unit and seeing the same issues each time. Suggest you get a good ESR meter check the two large 250Vdc caps replace the small cap in the picture and rebuild the pcb underneath the resister pack - you should be good to go. Only had one 7345 over the years which must have been plugged into 240Vac with blown FETS.
Good to hear you will be repairing rather than replacing.
Good to hear you will be repairing rather than replacing.
