Question about Sony Bravia XBR KDL-40XBR6 40-Inch 1080p 120Hz LCD HDTV
INVERTER REPLACED FOR USED ONE, BUT SAME RESULTS.
I would be more inclined to check the power supply board first. Check the outputs to make sure the voltage is correct getting to the inverter. You should be able to pull up specs online if the expected voltages are not already printed on the board itself.
Posted on Apr 02, 2014
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Posted on Jan 02, 2017
SOURCE: 13 blinks on standby light
If you can post a few pictures of the boards in the unit to our forum at: http://www.ccl-la.com/forum/index.php Our techs will look over the boards and offer information to guide you in the repair.
I hope this helps, if so please rate our solution.
Posted on Mar 13, 2010
Back light inverter is mounted on left side of lcd panel if you see it rear and subject board would be covered with some shield. Remove screws of shield and circuit board, unplug connectors and take it out. Put new board, plug connectors, tight screws.
Posted on Jun 23, 2010
There is a high possibility that the components over a period of heating and cooling, tend to bring on a problem of dry soldering. So my advice is to check the set for some loose joints that have played on to give you these erratic shut downs or poor performance. The best way to check for loose connections is to tap lightly when the set is powered on, if there is change while tapping then it seems that there are DRY solder joints. Remove main plug, the covers - with caution of high voltage, check for dry joints, and use a good soldering iron to solder all suspected points. Sometimes the fault occurs when the set warms up; if so you can simulate the heat using a hair dryer on the suspected areas, try with the power supply, distribution, Processor controller, driver controllers on the A/V related sections. Also the use a FREEZE-IT spray can simulate the components to cool and show up the fault. It can also be related to WEAK ELECTROLYTIC capacitors as the value can reduce in time. Based on the above method you must be able to locate the area of fault and solder the sections.
Posted on Oct 24, 2011
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