Having problems with your Flat Panel Televisions ?

3-yr old Samsung HL-S46765;symptoms indicated lamp diing; finally TV would not turn on;un-plugged tv, removed lamp to verify code and make (Phillips);put in new lamp; TV turned on for about 30 seconds;all indicator lights went out;tv shut off; all indicators lights blinking (lamp problem). unplugged tv, removed lamp housing; put back in; plugged in.; waited; tried to turn tv on - tries, then indicator lights start blinking



Answers :

Thank you for posting your question on Fixya. In such a case the first thing to check would be to see if the lamp is coming on momentarily before it shuts off. For this please remove the back cover of the tv and fire it up. Please check the status of the lamp before the tv shuts off and let me know. Also please verify that the part number of the older lamp matches with that of the replacement lamp. Lamps with more/less wattage can cause problems
Hi doocroo,\015\012
\015\012If you have same replacement bulb but yet the tv didn't power up and still shuts off, this is an indication that there was a faulty parts in the ballast board. If this board has no high voltage output feeding the bulb, same symptom will be encountered. Check this board first for bad solder joints(crack/dried/cold solder), you must work in the brightest area because this is hard to spot. Check for faulty high voltage ballast transformer, driver transistor, open resistors and leaky/dried filter elecltroltytic capacitor. \015\012
\015\012You must know how to test the said parts and know safety precaution handling it if you are going to DIY. If you don't have necessary tools and test instruments and can't troubleshoot the board yourself, I would advice you to find an experienced technician to do the job for you.\015\012
\015\012Hope I helped you.\015\012
\015\012Have a nice day!\015\012
\015\012Thanks for using Fixya.

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