HPT4254X/XAA,  BN44-00161A  Professional Repair : If you are interested in having a BN44-00161A, BN44-00162A or any other power supply repa...

I just finished repairing a Viewsonic VG1930WM that had no power, no standby LED, completely dead. I opened up the monitor and checked the ...

I recently did a repair on a Viewsonic VX910 that had no power. Upon opening the monitor I could see that someone had already replaced all t...

We have been receiving quite a few 715T2056-1 power supplies for repair from Philips 37 MF 321D/37 and 37 MF 331D/37 LCD TVs. The failure...

If you are interested in having a BN44-00161A, BN44-00162A or any other power supply repaired professionally then email johnpreher@gmail.co...

To learn how I repaired this power supply email johnpreher@gmail.com HPT4254X/XAA,  BN44-00162A  Professional Repair : If you are inter...

This article is from the Preher -Tech May 2011 newsletter. In this article I show you how easy it is to test LCD TV inverter transfo...

This is a chart showing typical ESR values for good electrolytic capacitors. A faulty capacitor can often have a value that is 10X the v...

This is a 6 page guide that shows LCD TV display failure symptoms such as vertical bars and lines or noise/distortion in display etc an...

A thermistor is a type of resistor whose resistance varies significantly (more than in standard resistors) with temperature. The word is a ...