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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by Jo9t

  1. J

    INVERTER REPAIR,1200W PORTAVOLT.

    Oh sorry and after posting i realised. I am after a circuit that inverts DC to AC 12v to 240v 50htz.1200w using a quad and gate ( 4081)as one of the ICs . as i wish to try and repair one . It would be cheaper (in time but my home time is free).to replace the whole inverter with an...
  2. J

    INVERTER REPAIR,1200W PORTAVOLT.

    the 14 pin IC is a HCF 4081BE and the other is a 8 pin 706b1. this is for "bearshanks"
  3. J

    INVERTER REPAIR,1200W PORTAVOLT.

    I have a PV1200 one of these and require a circuit diagram as the one i have works but only an output of 148volts AC. and only positive side of heatsinks get warm. hence only one side of the circuit is firing. I will have a look at the name on the IC and get back.

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