Question about Philips 42TA648BX 42 in. LCD TV
I first noticed a few days ago that the tv had large black square in the middle as it was turning off. Now the Philips blue and white screen comes on as usual upon starting, but then converts to blue and black jumble but audio still works. I tightened all connections and it is not the cable. This is a reconditioned tv, approximately 18 months old. Help!!
Thanks for using FixYa. From what you have described it seems that you might have a backlight and/or an inverter board issue with this TV set. It could also be due to the inverter circuits for the backlights. The inverter is the power supply source for the backlights. There could also be a screen driver problem; if it is then you have to change the entire inverter board. All this is only recommended if you have some kind of expertise for checking the internal circuitry of the TV as these units have high voltages running even when the set is switched off. The cost to change the inverter board including labor would be around $250, if you get this done by a professional. Please do accept the solution if the issue is resolved or post a comment for further assistance.
Posted on Apr 28, 2010
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Posted on Jan 02, 2017
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