Question about Mitsubishi WT-46809 46" Rear Projection Television
Need help with this problem. Today I turned my TV on and then
it cut itself off after about 2-3 seconds. Not even enough time for
a picture to show.
Has anyone had this problem?
Good Day y'all;
First I will tell you what the factory tells us then I will tell you what the problem may be: 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 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. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR LEAKY C9A60 470 PF 1000 V PART # 154P400030, PARALLEL TO D9A57 ON THE POWER PCB (NOT SHOWN IN THE SCHEMATIC). 2. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. 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. This model is also known to get fluid on the boards. The fluids come the picture tubes, this helps projection TV's to keep cooler tubes, all companies use this method, but MIT has the biggest concern of the leakage.
Sorry, but hope this was helpful. These TV's can repaired, shields can be provided. Call an authorized service dealer to this repair.
Good Luck, big IRISH.
Posted on Jul 15, 2008
The timer light flashes green but the tv wont stay on
Posted on Jan 17, 2013
Change the fuse F9A05 THATS WHAT I HEARD
NOW I AM LOOKING UP TO FIND WHERE THE FUSES ARE
good luck people
Posted on Aug 16, 2008
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Posted on Jan 02, 2017
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