Question about Hitachi 53UDX10B 53" Rear Projection Television
I have an Hitachi 53UDX10 rear projection TV that is stuck in the
screen that consists of 9 cross hairs (I got there after a ROM save
error trying to adjust color convergence misalignment from the service
menu). The 52" screen of this TV sits on a "pedestal" that houses the
speakers. I read some other threads here that for some Hitachi models I
should remove the front panel to access a "little blue" reset button
that gets me out of the cross-hairs mode and back to the service menu,
but there are no screws in the base of the front of this TV that would
let me remove it. Does anyone know where that reset button would be on
this model? Is it behind one of the back panels?
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Posted on Jan 02, 2017
SOURCE: RCA 52" Rear Projection P52930BL
You can adj. from the front panel of the set using the channel and vol. buttons,if the set you have has a ptk 195 chassis,check and make sure you have adj. projection tv in screens of the menu,in not the convergence power supply has failed,replace the reg on the board,part number is 215530
Posted on Mar 06, 2008
If you mean that one of the colors has suddenly drooped toward the center, creating a curve along the side where the colors no longer line up, it means that one of your convergence IC's has burned out and needs to be replaced. You should not play with the convergence settings when this happens because when the IC is replaced, the settings will be all out and have to be reset. It is a good idea to replace both STK392-110 IC's with the newer improved STK392-150's. If you have never replaced convergence IC's or realigned convergence circuits then allow a qualified tech to handle it for you.
Posted on Aug 07, 2007
Did you ever find the solution to removing the front screen? I have the same problem. Please write at email@example.com
Posted on Jan 21, 2008
it sounds like your blue convergence ic is getting weak you need to replace the ic's STK392-110 and you should replace both because when 1 is bad the other will go real soon. They are inexspensive at the sight I posted and you will also get free tech online support if you purchase them there.
Posted on Apr 13, 2008
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