Kilo2_tango2, You walked into this one!!! Let's cheer everybody up with a few laughs first. "where do I start looking??? Maybe in your pocket for lots of 10s & 20s. You will need them to do a swapout for a refurbished unit from SHARP, IF???? they even have a swapout program. "so psu probably ok" Well, maybe yes, maybe no. Is this psu a little black box that lays on floor, or are you refering to a internal to the monitor "switch-mode-power-supply" unit? By the way, you didn't even calculate for us the approximate number of "on" hours this unit has!! Ahh...Yes! You did type "display blank"!! I will assume that it is or was connected to a PC capable of displaying the WIN-desktop screen?? If such was the case, did you even do the "flashlight" test to see if the data made it to the screen? even if the CCFT's aren't lit up BRIGHT-WHITE on rear of LCD panel? Due to a INVERTER BOARD failure to supply 800-1200 v ac to light up the CCFT's. Well, k2t2 I hope some of this was helpful. Got to run now! I'm louie12fix on fixya or lmistyrel@aim get back to me if any of this made sense..
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