Question about Philips 42PF7220A 42 in. Plasma Television
I have a Philips 42PF7220A/37 April 2006. Chassis Number BP2.3U TV that does not work. The front LED flashes red seven times and the power supply led flashes green three times. VSCAN voltage drops to zero (or climbs). I unplugged the power feed cable to the y-sustain board and the error codes go away and VSCAN voltage remains at -190VDC. I replaced the y-sustain board and the error codes went away for approximately 30 minutes only to return again. I still did not have a picture for that 30 minutes
Most likely the YSCAN UPPER board and/or YSCAN LOWER Board also gone. Your new YSUS board may damage again if you don't replace the bad YSCAN boards. Try to replace the three boards together and then to verify which boards are bad one by one. Good luck.
Posted on Jan 05, 2009
Usually, LJ92- numbers made by Samsung have the best price....
Replace both drivers & Y-main at the same time...........T.
Posted on Feb 16, 2009
Check out hssparts.com they have some cheap part
Posted on Dec 17, 2009
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Posted on Jan 02, 2017
I think its something on the picture frame board or on the line output board. I would sway to the line output simply because I think but not sure that error code is linked to the line output stage plus when you unplugged the cable the voltage seems within parameters. Good luck.
Posted on Oct 03, 2008
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