UC3842 IC can be easily found in most of the electronic equipment switching power supply. Normally whenever the power fet shorted, chances are very high that the uc3842 pulse width modulation (PWM) IC may shorted too. Although sometime you...

  PC post card is a diagnostic test card to troubleshoot cpu motherboard. I used to repair and troubleshoot cpu motherboard many years back when i was starting out in the pc repair line. The manufacturer supplied...

If you would like to translate my blog or my repair articles from english to other languages, you may do so by visiting google translation website. At current moment it have the ability to translate to about...