Question about Mitsubishi WS-55805 55" Rear Projection Television

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Mits ws-55805 No sound no Pictuer

I was wondering if any other tech's can help out another tech. I'm working on a Mits ws-55805 customer abaneded the set so i thoght to fix it and resale it. there was no high votage that the first problem i replaced the flyback then the guns wasent lighting up fiexed that problem now that I got high voltage and guns lite thers no sound or pictuer I went throgh antens a and b swich and rca jacks to no change. there is no colent leack on the bord I pulled the bords out and check for bad soder jonts...I get no osd at all nothing please help if you work on thes sets could it be the signel bord?

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FIRST CHECK CONNECTOR "DR" FOR PROPER CONNECTION, BETWEEN THE DEFL MINI PCB AND THE MAIN PCB. 2. CHECK C5A09 AND C5A50 BOTH 33 UFD 50 V OFF OF IC5A01 ON PCB-DEFL MINI. 3. CHECK FOR LEAKY IC5A03 PART # 270P704010 ON PCB-DEFL MINI 4. SUSPECT THE HIGH VOLTAGE BLOCK PART # 920P016010 IF STILL NO HELP PROBLEM CAN BE INTERMITTENT (TEMPERATURE RELATED) CAUSED BY IC7D04 PART # 275P245010 ON THE DOUBLER PCB THIS WOULD BE A THIN VERTICAL LINE IN CENTER, IF GUNS WERE ON.

Posted on Sep 19, 2007

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Posted on Jan 02, 2017

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Mitsubishi WS 55805 nothing but blue screen and black square in middle


A full service manual is available online---I will presume you tried to unplug it for a while and then power back to see if will reset itself.

This set has three hidden menus---one is the OPTION menu--in that menu with the Mitsubishi remote you can do a hard reset of the entire set= sets all back to factory except convergence adjustments which are stored in another area--cures all kinds of oddball issues.

I can give you a link to the manual and the page numbers for the OPTION menu.

Note: the other two hidden menus are Convergence and adjustment--do not go into adjustment menu as one wrong move and poof!

SD TECH

Apr 20, 2012 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

WS-55805 55" screen that I've had since 2000. Always worked just fine until today! No picture, just sound.


Check Your Rear Projection Light Open Back Cover it a little Door on the back ov your TV Set Possibilty Light Burn Out ....Cause of this Problem Fan Malfunctioning Or The Bulb as to be change for new one ... Type The Brand and the Model ov your TV According To your Model it will gave you a list ov different Light Projector Make Shure You dont Touch the bulb with your bare Hand when you put it On Because those light produce very hi Temperature and cant burn out immediatly or explode.

Sep 22, 2010 | Mitsubishi WS-55805 55" Rear Projection...

2 Answers

Mitsubishi WS-55805 turns off before it is completely on


please do the following:

When green light comes on and then goes off, ON the front of the set press and hold BOTH the Menu and Input buttons at the same time for at least 5 seconds and release both buttons.

Power light should blink a two digit error code; most common is:
2 blinks, 2 blinks, a pause and it will repeat the error for a total of five times.

Let me know what error you find and I will tell you what it means.

If this information told you something you did not know, rate this solution as very helpful as I do this here for free.

SD TECH

Aug 16, 2010 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

I cannot adjust the blue with the remote. Is there way to adjust.


WS-55805 ?

Look on the back of the set and confirm the correct model number--55805 does not show as a good model number.

If blue will not adjust what ever it uses (either one or two convergence chips need to BOTH be replaced and then the set adjusted.

I HAVE START TO FINISH, STEP BY STEP INSTRUCTIONS FOR THIS REPAIR for most of these sets.

Double check the model number and let me know and I will tell you what parts it uses and also then be able depending on the model number to give you the instructions etc.

If this has helped you rate this solution as I do this here for free.

SD TECH

Dec 09, 2009 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

Won't turn on


If the LED never stops blinking, you have a failure in the DM module. It is usually caused by 4 or 7 1000uf capacitors going bad inside the module. Mits says to replace with 680uf 16v caps to fix..

Dec 16, 2008 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

Online repair manual for mits 55805


Good Day, TraderGordo;
I will E you the info.
Good Luck, big IRISH.

Aug 14, 2008 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

Suddenly, Sound But No Picture


that is not and easy problem U need experienced tech to take a look at your TV call a local TV shop

Apr 17, 2008 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

Parts and repair


go to www.ptscorp.com and send the board in

Dec 14, 2007 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

My ws 55805 yr. 2000


check this site first
http://www.chrisandnat.com/Projects/BlinkingTV/blink.htm
if you dont have this in your set then
check convergance amp ic.
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Oct 24, 2007 | Mitsubishi WS-55805 55" Rear Projection...

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