Question about Hitachi 50UX57B 50" Rear Projection Television

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Ptcture I can see nay picture. On screen I am Getting Vertical line that curv on both side. I try by my self took folloing step I open front penal and turn some screw but Ican get picture

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  • ramesh110 Oct 04, 2007

    I have open front penal and I turned some screw on the penal then I lost the picture and come out some line.

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Sounds to me like you might be in "test"mode. You'll have to find the correct button to press to get you back in the other function. If this fails, you'll need a tech visit...accordianman

Posted on Feb 18, 2008

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Posted on Jan 02, 2017

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Good Day, checho3435;

Try this to help to narrow it down:

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF DIAGNOSIS ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Day, big IRISH. back.gif

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http://home.comcast.net/~leebailey00/Hitachi_DCAM_Manual.pdf

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