Question about Philips 42PF7320 42 in. EDTV-Ready Plasma Television

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Black screen on plasma

My house was hit by lightning. When I came home and turned on the tv the screeen started turning black in a circular motion spreading across the screen.

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Check connector between Logic & PSU 2nd pin from Left (Vs_ON) for DC volts.
If Voltage is 0 then problem is with Logic or SSB.
If Voltage is 3.1 VDC then problem is with PSU or other PCB's on Panel.
On startup Logic checks for errors and also polls the SSB for Errors. If Errors found then Logic will not send High to PSU.
To confirm if SSB or Logic is at fault then disconnect and remove SSB.
Use 2 Jumpers to short J8003 & J8004 on the left edge of the PSU
Use 1 Jumper to short CN2012 on the lower left part of the Logic PCB (White signal to the Display).
Plug in the AC to the PSU thru CN8001.
If PDP panel operates with White field screen then problem may be the SSB.

Posted on Aug 20, 2008

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Posted on Jan 02, 2017

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I have a DP46849 tv it had a couple line nothing bad . It stormed pretty good shook the house at point no lightning hit the house . Everthing still work except no picture .


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ http://electro-medical.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

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