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Intermittent Crystal Problem
By Jestine Yong on February 4, 2009
If you repair electronic equipment that uses the Crystal oscillator and if there is an intermittent problem that you can’t solve, i suggest that you replace the Crystal and retest the set again. For example, if the On Screen Display (OSD) in Monitor have problem like intermittently appear and disappear from the screen and you can’t locate the problem why not try use a hair dryer to point to the Crystal oscillator circuit area and see how’s the result.
If the problem goes away then suspect a bad Crystal and if the problem still exist then look for other area like bad CPU and etc. Do not overlook the components corresponding to the Crystal as the components can breakdown too when under load.
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Tomas hernandez
February 5, 2009 at 1:47 am
Hi Jestine
Just to give a lot of tks I read some tips for repair a LCD monitor and you wrote down something about a fuse in a LCD acer I checked the fuse and you was right the fuse had a value of 1Kohms amazing but true, a put a jumper and my monitor still working.
Tks again a lot, you know i bought a new one and I had 6 months trying to solve this problem and with your tips everything was OK
regards from mexico/sorry for my english I spanish speaking
Tks, tks and tks
admin
February 5, 2009 at 1:48 pm
Hi Tomas,
You are welcome!
Jestine