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  • door control board repair
    A Door Motor Control Board Repair

    A strange thing happened today as I was working in the shop; an electrician came in and showed me a door motor control board. I checked it out and...

    • June 23, 2013
    • 4
  • electronicsrepair
    Is Electronics Repair A Dying Trade?

                    Sir, please tell me whether electronic repairing business is a dying trade, since i am interested to do lcd/led repairing as...

    • June 23, 2013
    • 0
  • About Sunwa Analogue Multimeter

    In your book “electronic component testing” you stated that you use an analog meter with a 9v and 2x 1.5v.  I looked up the specs on the meter you...

    • Posted June 22, 2013
    • 0
  • 5 Volt Line Not Stable in LCD Monitor

    I’m having trouble pinpointing the fault of a non powering LCD monitor, the +12V line checks good (stable 13V) But the +5V line gives me a non stable reading...

    • Posted June 22, 2013
    • 0
  • Capacitor Type In LCD Monitor Inverter

    I replaced the 2 NPNC5706 transistors because of shorted COLLECTOR and EMITTER leads.   But everywhere i look for these white rectangle caps i find no data available for this...

    • Posted June 22, 2013
    • 0
  • CRT TV Color Problem

    Hi Mr Yong i have a 21″ crt tv. The crt tv color problem is it shows reddish picture. A yellow colour shows orange. Whats the problem? Answers: Check...

    • Posted June 22, 2013
    • 50
  • What is the AC voltage from the 14″ LCD Monitor Inverter?

    Sir how much voltage that comes out from the good inverter of 14 ‘ pc lcd monitor, This can be test by a simple analog tester? Answer: About 500 to...

    • Posted June 22, 2013
    • 1
  • Microwave Oven with, no heat problem, repaired. Model: Brother BR-713

    This microwave oven was brought to my shop by a restaurant owner who lives nearby and told me that it does not heat up the food. Usually when a...

    • June 22, 2013
    • 9
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