Question about Televison & Video
Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Posted on Apr 06, 2015
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Posted on Jan 02, 2017
Most likly the Horizontal output transistor has shorted out because of cold solder connections on the flyback transformer, and or a bad capacitor in the sweep power supply and or, a bad flyback transformer. If the set Did not blow the fuse, then mopst likly you will have a problem in the main power supply where several parts in a kit form has and should be replaced all together.
Posted on Jan 17, 2009
When you had gray screen and flickering you had only one problem - color wheel. After "putting everything together" you have totally different problem, caused by multiple possibilities like: forgotten connectors, cut/jammed cables/wires, lamp not being inserted properly, lamp door not being set properly, disconnected color wheel, etc. Try to open rear cover and redo what you have done. Remove optical block, check everything visually and slowly put everything back. If still no luck - then only skilled TV repairman may (or may not) help.
Posted on Mar 10, 2010
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