Hitachi 50EX20B 50" Rear Projection Television "tv upgrade chip" Questions

...tv problem here. My father is thinking it might be the remote / power button on front panel with red flashing light. I am very frustrated now. Things are great when they work but really are a serious ...

...all about? there is a spot for a upgrade card in back of tv. What is it and how do i get it. You do not get it. It is for Authorized service personell. It is a diagnostics port. FORGET it is

...chips I followed SD Tech's repair guidelines because the red and blue wasn't lining up on my TV. I replaced the 2 convergence chips w/ the upgraded STK392-150 chips. After plugging everything ...

TV does not show a pic I push the power button and the red indicator light illuminates but kicks off with in 5 seconds? What could be the problem? The first thing I would check for is bad convergence ...

...tv and the convergence IC's werre upgraded from STK392-110 to STK392-150 and several of the resistors on the convergence board were bad. I need to know what to upgrade the resistors to to ...

...center of the tv causing double and shadows. here is a screen shot. How can i fix this? This is a convergence issue..both chips need replacement. STK392-110 sub to upgrade STK394-160E Part # CZ ...

...I purchased the upgraded chips (STK392-040 instead of the 020) from bluestar-online.com and had a tv repair tech do all the solder work and touch up the entire circuit board (replaced the ICs, test ...

...Thanks yes..jvc has an upgrade for the crt driver ic's replace all three chips and resistors note: resistors must be replace at time chips are replaced now call a local tv guy you know the

...upgrade to 180s they hold upbetter Stk 394-160s does not work in this set if ics where 110s then use 110s or 180s The STK394-160 WILL work in other than Hitachi!! I just put a set in my Mitsubishi.. ...

...can i do to fix this problem, I was told there is a chip to upgrade the tv but when he had it he had no problems, PLEASE HELP!!!! yes the eeprom is deffectec , this problem is only fix by