Question about Philips 23PF9966 23 in. HD-Ready LCD Television
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Posted on Jan 02, 2017
Ok did this happen the first time u turn on the TV. ? If so u might have a ribbon cable disconnect from the logic or u might have a defective Plasma panel. If u have a defect like your describing the IC's on the panel short out and no longer work causing that section of the screen not to function. Only fix then is replace panel
Posted on Apr 29, 2008
Probably caused by a power supply nearing its death.
Try to verify this by placing a portable fan to the side of the set with airflow directed at the vented sides.
If this lengthens the operating time, there is a good chance that some minor components in the main supply have developed low values of capacitance and higher losses which worsen with warmth.
Listen closely at the vents with the sound turned down to attempt to detect a squealing sound while the TV is in its failure mode; if you find this, it is also a sign of power supply trying to die.
A tech equipped with a capacitance meter that measures losses at the same time, could find and replace the weakened parts without a whole lot of labor and little cost for parts.
Posted on Nov 26, 2009
Download software from the Phillips web site. Use a usb flashdrive to transfer the download to the TV. This worked well for us and our picture is better than ever.
Posted on Apr 13, 2010
SOURCE: my philips flat screen tv
It is possible that you may need to download an upgrade to a flash drive and then with the tv off, insert the flash drive into the usb port on the tv. Turn the tv on and it will load itself. Check Philips website for updates...
Posted on Sep 10, 2010
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