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  1. Tha fios agaibh

    Power supply for little halogen light popped

    I agree. If a replacement fusable resistor can't be found, it's better to use a fuse than a standard resistor that won't blow. I would guess that a fast acting fuse would instantly pop due to inductance of the halogen light. Even my slow blow .2A suggestion is probably too small. I would...
  2. Tha fios agaibh

    Power supply for little halogen light popped

    Very good Bushtech, although I suspect a fast acting .15 might be a wee bit small.
  3. Tha fios agaibh

    Power supply for little halogen light popped

    If you cant find a replacement, I'd just replace it with a delay type .2a fuse. I sometimes solder leads on the ends a glass fuse, then cover it with shrink tube to insulate it. I don't think 1 Ω makes any difference here.
  4. Tha fios agaibh

    Power supply for little halogen light popped

    I never checked a diac but you should be able to use variable power supply across it with a volt meter (parallel) to it, and increase voltage until the breakover voltage triggers at 32v. When it conducts voltage meter will drop. Of course you will need to either limit current by either adding a...
  5. Tha fios agaibh

    Power supply for little halogen light popped

    I think that's it Bushtech. You could check cap values or any resistor inline with the open diac/shorted Transistors. What puzzles me is the heat shrink component. It looks like an inductor but should only measure about 0-50 ohms? Is it in series with incoming power leads like a choke?
  6. Tha fios agaibh

    sunbeam electric blanket no heat

    look up smd code, get datasheet, match specs to similar component. I believe its a THC2907A which is obsolete. This substitute should work. https://www.mouser.com/ProductDetail/ON-Semiconductor/MMBT2907ALT1G?qs=sGAEpiMZZMshyDBzk1%2FWi%2FPUgtclNldl4S7KB919sxY%3D
  7. Tha fios agaibh

    Help with a 240v time delay relay setup

    I agree that a timer isn't ideal but it would work. My preference would be to use a flow switch with a built-in time delay to stop the pump. Many timers would work, but you need 2 poles for switching 240v and higher contact ratings than available on most timer relays. Alternatively, you could...
  8. Tha fios agaibh

    2 wire transformer

    Sorry about your luck. If you're nearing mains voltage at the compressor terminals, its obviously bad. The compressor runs at variable speeds which explains the odd voltages. Too bad you replaced the board. Measuring current is better for determining open circuit failure rather than just...
  9. Tha fios agaibh

    2 wire transformer

    There is a class action lawsuit against LG alleging their linear compressors are defective. https://topclassactions.com/lawsuit-settlements/consumer-products/appliances/lg-linear-compressor-fails-early-class-action-claims/
  10. Tha fios agaibh

    2 wire transformer

    Along with close up photo, tell us the symptoms. Is it making noises like the compressor is trying to start? It's doubtful that a choke is bad. More likely the overload in series with the compressor or something external. Take voltage readings with everything connected at terminal comp pins 1...
  11. Tha fios agaibh

    Troubleshooting a string of LED Christmas lights

    Probably a combination parallel-series. Some led lights put two bulbs in parallel with opposite polarity (anode/cathode) and work on half wave rectification. So light string won't go out unless both parallel leds go out. I would guess it is a bad led somewhere. You could pain stakingly check...
  12. Tha fios agaibh

    Nissan X-trail 2002 - Air conditioner fan occationally won't run

    Perhaps bad connection at M99 see page 90 of power supply
  13. Tha fios agaibh

    Nissan X-trail 2002 - Air conditioner fan occationally won't run

    https://cardiagn.com/2007-2013-nissan-x-trail-model-t31-series-service-repair-manual/
  14. Tha fios agaibh

    A cb radio not working after being sent in for modification

    Transmit longer distances
  15. Tha fios agaibh

    Nissan X-trail 2002 - Air conditioner fan occationally won't run

    @Bluejets: The compressor runs anytime defrost is selected to help remove humidity. Could be fan relay or a resistor module used to control fan speeds. I had a resistor module go out about 5 years ago in my truck. I would look at labeling on fuse panel to locate fan relay and take readings...
  16. Tha fios agaibh

    ON5233 Datasheet

    Yes, I couldn't find it either, even on the manufactures site. The only data sheet I did find, wasn't valid. Without specs, It'll be hard to figure out what it is. Based on the link Martin posed, I might take consider something like this...
  17. Tha fios agaibh

    Seeking help with 12v dc motor controller on golf buggy

    N Channel mosfet https://www.digikey.com/product-detail/en/stmicroelectronics/STP50NE10/497-2644-5-ND/603669
  18. Tha fios agaibh

    Identifying an blown IC from Spectre 13-4114na motherboard

    I think its a step down regulator. Have you tried to follow circuit and see how it connects? Perhaps battery management circuit?
  19. Tha fios agaibh

    Identifying an blown IC from Spectre 13-4114na motherboard

    Like this?
  20. Tha fios agaibh

    Understanding a regulator circuit with MOSFET and Zener-Diode

    Old, doesn't mean it's not of value. I for one, enjoyed its resurrection.
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