Question about Mitsubishi WS-55819 55" Rear Projection Television

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Mitsubishi WS-55819 Won't turn on

Son changed TV T0 1080i for his X-Box
TV shut down.
Stays on for a couple seconds then off

Error code 1-2
F9A04 & F9A05 Open.

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  • 8,617 Answers

If F9A04 and F9A05 are open the convergence ICs will need to be replaced as well as the two pico fuses. You will need two STK392-570 Convergence ICs and two 5 amp pico fuses. You ca get the replacement parts at the following link with free installation instructions. heres thelink.
http://servicemanuals.vstore.ca/

Posted on Jan 22, 2009

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1 Answer

What does a 2-3 dignostic code on a Mitsubishi 55819 mean?


2blink-then 3 blink---------deflection circuit problem

It is a little misleading but means something in Horizontal or high voltage circuit (covers a lot of area inside the set) is bad.

Going to need a service manual, etc to try to track it down.

Entire chassis for this set can be removed====called a light box.

May 28, 2012 | Mitsubishi WS-55819 55" Rear Projection...

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My Mitsubishi Medallion tv stays on for about 10 minutes and then shuts down and won't turn back on until a period of time has passed. It is a rear projection tv about 9 years old. Can anyone help ex


When it shuts off and the green power light goes off, press both the menu and input buttons on the front of the set (not the remote) and hold both for about five seconds and release.

Power light will blink a two digit error code like 2 blinks and then 3 blinks and repeat it several times.

What is the error code?

Nov 14, 2011 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Inputs randomly stop registering, screen goes blank


Code 12 indicates no error. Push the Menu and Device buttons after the TV has shut off to get the proper code, not after you unplug and plug it back.

It seems your set is not Mitsubishi WS-55819 so it will help if you can give the exact model.


Dec 12, 2009 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Mitsubish WS-819 Protective Shutdown. 2 blinks, pause, 2 blinks


Over 95% of the time a 2 - 2 blink code on that model is a convergence output problem. You need to replace both of the convergence output IC's and perhaps the pico fuses feeding them voltage. The pico fuses are F9A04 and F9A05. They are on the same board with the convergence outputs.

May 29, 2009 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Mitsubishi WS-55819 power issue


No, that'll do it. Once you've changed em you'll know right away if somethin isn't right. But take faith and fire that puppy up. If the pix is good you did good. If something is amiss. I'd be happy to walk you through it. My money is on you though.

May 27, 2009 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

My tv ws-55819 tv won't turn on it cliks on but it won' syat on


ok when the power is plugged in hold down the menu + device buttens for five sec what is the error code there should be two sets of numbers....
like 1 pause 2 let me know and i'll see what i can do!

Feb 01, 2009 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

My tv will not turn on.


hold down the menu + device for five sec what is the error code?
should be like 1 pause then a 2 or something

Jan 12, 2009 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Mitsubishi ws-55819


Code 22 indicates that your set is in shut down due to what is called Short Protect. The most likely cause is the Converge Ic's drawing too much current and opening one or 2 fuses. Normal repair cost varies by area and servicer. Expect 250 to 350 plus the service call. I normally do this on site.

Nov 16, 2008 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Can the WS-55819 be reset through a reset button?


Code 22 is short protect. Recheck your work. Did you check and replace open fuses and/or Convergence IC's. The Conv. IC's normally open at least one fuse when they go out.

Nov 02, 2008 | Mitsubishi WS-55819 55" Rear Projection...

2 Answers

Mitsubishi WS-55819 power issue


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

Aug 12, 2007 | Mitsubishi WS-55819 55" Rear Projection...

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