Question about Mitsubishi WS-55511 55" Rear Projection Television
THIS IS MY STANDARD ANSWER TO THIS QUESTION==SOMETIMES PEOPLE DO NOT
TRY THE EASY POSSIBLE REASON--IF YOU HAVE ANY QUESTIONS LET ME
KNOW---IF THE ANSWER TOLD YOU something you did not know--rate the
ONLY 1 of 2 things can cause this problem----
First thing to do is remove front speaker grill--it should pull out and is secured with plastic pegs--behind it you will find an inspection plate---
Notice the one or two pairs of wires coming from the front keyboard of the set---remove the inspection plate and follow the wires to the right--you can unplug both plugs(most have two and they are marked with letters and different sizes so you cannot get them wrong)
The idea here is to remove the front keyboard with its reset button etc from the circuit---You will still be able to try to turn the set on with the remote---
These sets have a Receiver that is called a DM board--(large metal box to the left as you look from the back) and if the power goes out the green light will blink for about 70 seconds and then go out---it is the Receiver booting up. It is called the DM board.
If disconnecting the keyboard allows the set to turn on--you have a bad reset switch and two choices---either operate the set only with the remote or to remove the front screen and get at the reset switch (it is tiny) and remove and/or replace it.
If disconnecting the keyboard does not restore the set to operation---the receiver is bad---there are 4 or more caps and some pico fuses that can fail in that unit---Mitsubishi no longer sells or repairs these--if it is bad and not the caps there is a company you can send the unit to and have it repaired--if you need to know their name let me know---
You can call them and get a quote for repairing the receiver.
Let me know what more information you need--I am here to help.
Posted on Nov 17, 2009
Can you reply with the number of blinks.
Posted on Nov 16, 2009
Disconnect the power cord of the TV from the surge protector and connect it directly to a functional wall outlet and check if the TV is working normally. Otherwise disconnect all the cables from the TV including the power cord then press and hold the power button on the TV for 30 seconds then reconnect all the cables and check if the TV is okay.
If not then some capacitors on the power board have gone defective and needs to be replaced.
Posted on Nov 15, 2009
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Posted on Jan 02, 2017
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