Don't Miss

All posts by Jestine Yong

  • Display Dim In HP L1955 19″ LCD Monitor

    The complaint for this HP L1955 model HSTND-2B01 19″ LCD Monitor was dim display. After opened up the cover i saw some burnt mark at the inverter board. Further checking found 3 of the 4 C5707 push...

    • Posted April 9, 2008
    • 8
  • Substitution Of Transistor

    An IBM CRT Monitor came in with no power problem. After checked everything i conclude that it was only the horizontal output transistor C5280 that have problem. Since i could not get the original part i put...

    • Posted April 9, 2008
    • 4
  • No Power In BenQ T705 17″ LCD Monitor

    This BenQ T705 LCD Monitor came in with no power symptom-power LED didn’t light up. The common fault for this monitor was short circuit in C5707 push pull transistor, FQU11P06 P-channel FET, high ESR in tuning capacitor...

    • Posted April 8, 2008
    • 22
  • Comment About Huntron Tracker

    Here’s some of the tips by Robin Cheng in using Huntron Tracker as your troubleshooting tool. Hi Jestine , I agree with you THAT POWER ON TEST IS BEST WAY TO JUDGE IF IC IS GOOD OR...

    • Posted April 8, 2008
    • 4
  • About Bulged Capacitor

    Normally one of the most common problem found in electronic board are bulged capacitors. Electrolytic capacitor bulge problem is very frequent in Computer Motherboard and usually after the replacement the motherboard will work perfectly okay. Do you know...

    • Posted April 8, 2008
    • 0
  • Testing Ballast Or Choke In Fluoroscent Lamp

    Have you encounter before whenever you replace a new fluoroscent lamp and “On” it, the new lamp will immediately go bad again. You will be wasting your money and do not know why the new lamp die...

    • Posted April 8, 2008
    • 3
  • Philips 170s LCD Monitor Shutdown After “On” For A Second

    This Philip 170s LCD Monitor was repaired by someone before and the problem was the display appeared for less than a second and then shut down. This usually prompt to a failure in inverter board or bad...

    • Posted April 7, 2008
    • 7
  • Capacitor Replacement

    I came across lots of LCD Monitor problems with bulged electrolytic capacitors. The rating of the capacitor temperature usually were 105 celcius. The problem with these capacitor is that they are not from a good quality grade...

    • Posted April 7, 2008
    • 0
Open

Close