Question about Computers & Internet
Pls help me... for the diagram of PSU....THANKS to anyone who can help me...
Well, that looks like you have what we call a dry joint on the power supply connector of your monitor. With experience , i have discovered this to be a normal problem. Get a compute technician to open up the monitor for you and then take a closer look at the circuit board where the power supply is connected. Check for any dry joints (this means that there is a component on the circuit board that is directly related to power supply, and it is not properly attached to the board (soldered). Notice all the dry joints and use a soldering gun to put them back together and try to power the monitor. Check also for bulged or leaking capacitors. Replace them with the same type
Posted on Feb 21, 2012
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Posted on Jan 02, 2017
SOURCE: I have a proview lcd
For the above LCD Monitor, I actually saw a small spark at the top part of the main board once the power input jack was connected. It prompted me to the exact location and when I check the SMD ceramic capacitor (that generated the spark underneath it) with analog meter set to X 10 K ohm range; it actually developed a slight short circuit. Replacing only the fuse and the SMD ceramic capacitor solved the no power problem in this 19" LCD Monitor. This Monitor uses the inverter IC (OZ960G), A1084-25CM (2.5 volts voltage regulator), AMC1117-3.3 (3.3 volts voltage regulator), ADC IC (MST8136B) and CPU IC (MYSON MTV312MV64).
Posted on Oct 07, 2010
You can look through here for service manuals: Basic LCD monitor and TV troubleshooting guide: Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you. Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Please leave rating if it helps.
Basic LCD monitor and TV troubleshooting guide:
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Posted on Jan 05, 2011
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