When i press the power buttom the smps works high voltage come up but erratically it does not come up immediately it come up with stages like this tess then silence then tess tess then silence then...

Do you use frequency meter to troubleshoot electronic equipment? As for me, yes i only use it to test on the cpu/mcu crystal and sometimes the operating frequency at the horizontal driver transformer. Do i need to...

If you are from India, make sure attend this electronic exhibition that will be held at Hall -7, Pragati Maidan, new Delhi India on 10 to 12 th September 2008. Some of the exhibitors profile are Electronic...

This month topics cover story are “Can WIMAX really go mobile”, Environmental issues impact makers, TV makers focus on competitive niche markets, Kodak launches card-type OLED TV and many more. If you haven’t subscribe to this magazine...

Remember the previous post where i told you that i have bought a 35X magnifying glass from Langkawi? Here is the photo of the magnifying glass on a LCD mainboard. Previously i use a  10X magnifying glass...

These few days had been very busy conducting the LCD Monitor Repairing Course for the staff of Malaysia Airport Technology (MAT). They are the staff that had completed the Advance Monitor Repairing Course last year and this...

What does the above title mean? It means that as an electronic repairer we should know what we are doing and if we noticed some  problems in the electronic equipment, we should solve it instead of ignoring...

  If you repair the SMPS that have the optoisolator IC connected between the primary and the secondary section, you would usually see a transistor like component. It is actually the TL431 IC adjustable precision shunt regulator...