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All posts by Jestine Yong

  • Display “Locked” in LCD/CRT

    The moment power on, the screen will display “LOCKED”, i don’t know how to reset to remove the screen lock. Answer: You need the service manual to find out the combination keys to unlock it. You can...

    • Posted June 28, 2013
    • 0
  • Power Good Problem In ATX Power Supply

    I managed to fix the power supply partially and measured all the 24 pin and they all have proper voltages (3.3V, 12.1V, 5V…etc.) however one issue remains…. I’m using coolmaster ATX tester and it passes all the voltages...

    • Posted June 27, 2013
    • 1
  • Taking Out All the Components From Circuit Board For Testing

    When i see someone repairing any electronic circuit board it’s always a in circuit analysis because it doesn’t make much sense to take all the components one by one and test it. Answer: When a repairer have...

    • Posted June 27, 2013
    • 0
  • Peavey Amplifier repair. Model: PV-4C

    An owner of a restaurant and a friend of mine brought me a very old amplifier. The main problem with this amplifier is when you power it up, it comes on for a few seconds then it...

    • Posted June 27, 2013
    • 10
  • Video: Panasonic Plasma TV Buzzing Whining Sound

    Thanks to Beh for recommending this video Likes(0)Dislikes(0)

    • Posted June 26, 2013
    • 0
  • lcdmonitorinverterboard
    LCD TV and LCD Monitor Shutdown Problem

                I have Samsung lcd tv Model No: P2470HD First tv works for 20 minutes then picture disappears but sound ok. Turn off the set and again turn on the set then...

    • Posted June 25, 2013
    • 1
  • Degaussing Problem In CRT TV

    I have a degaussing problem in CRT TV. Color patches in the display. May i know what is the solution? Answer: Degaussing problem can be due to bad posistor, dry joints in the posistor pins and also...

    • Posted June 25, 2013
    • 1
  • Standby Problem In LCD TV

    I always enjoy reading your repair post’s I am in lcd tv repair as a hobby but I have learned a lot from reading your post and also I have purchased some of your ebooks I find...

    • Posted June 24, 2013
    • 2
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