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  • 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.

smps. psu

  1. M

    Help fixing Panasonic TNPA5808 (SMPS) low voltage issue

    I'm trying to fix an old Panasonic LED TV, mainly for educational purposes. While I was checking voltages on the P-Board I got to know the voltage of the SRV-16V rail is 13.2V (with and without dummy load). Both 16V and 24V rails are bit lower than specifications. However the 5.3V standby line...
  2. Z

    LED Panel power supply issue

    I have a quite new LED panel which was working properly for 2,5 days. The led panel contains 130 pcs white LED in series. Now there is only ~7-8 mA flowing through the LED strip. Here is the actual power supply: The output without load is ~495 V DC (which would cause 3.8 V drop on every every...
  3. riccardo

    RS232 or I2C PSU Module?

    Hello, I am looking for a small PSU Module such as a DC-DC convertor or an SMPS that can be controlled using a serial interface such as RS232, I2C, SPI etc. I can see this Bench top PSU (link below), but I was hoping there was a small PCB module available that could handle around 5A...

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