Question about Televison & Video
There is no light on in the front. power gets to the board but on all output pins there is no voltage Eg 12v,5v, 24v nothing looks fried but who knows??
Posted by Anonymous on
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Posted on Jan 02, 2017
The 5vdc standby is working but not the 12 or 24v?
You need to find out if the power supply board is getting PS_ON signal from the main board to turn on the 12/24vdc power supply section.
Please read my guide to get some understanding first.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com just make sure to use caps with low ESR, 105c rating such as PANASONIC FM or FC series.
Please post back what you find.
Posted on Dec 06, 2010
SOURCE: Power supply problem
The power supply board is faulty. Should be replaced. What is the brand name to your TV? Provide more details please. If you wish to get more details, check this site linked
below. Pull up older posts there. Check
the site with patience, as it has over 2350 posts now. All are related to electronic equipment
repair help. If you search the site in
Timeslide option, which can be selected from the drop down list at the top left
of the display window, it will be easy to locate the related post. You can also do a search by type in the
brand name to your device into its search box at the top right of display
Posted on Apr 30, 2013
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