Question about Mitsubishi WS-55859 55" Rear Projection Television

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The front timer light is blinking and the TV wont power up.

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The blinking light signifies to a repair technician with capacitors or circuits are having an issue they can diagnose the problem via the amount of blinks in between pauses however it will require a technician and some specific tools and schematics to fix and it may be cheaper if its no longer under warranty to purchase a new one


Hope this helped
Robb

Posted on Oct 03, 2010

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Hi,
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Unplug TV from AC outlet for couple of minutes, replug back in, turn power ON and check, still same problem?
Lets read error code in TV, press Device and Menu buttons on front of TV at same time for 6 seconds that will activate error code read process. Led will flash in 2 sequence with half second pause. count it and let me know the error code to proceed.
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1 Answer

Tv wont turn on get audio then tv shuts off timer lite blinking


If TV stays in stand by with audio but no video, then common faults are the ballast board, or a fault on digital board.

If the led stays blinking , and tv turns off then the TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

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1 Answer

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The blinking red light at the the front of the television is the "Diagnostic STANDBY/TIMER LED".
This little red light will blink 2, 4, or 5 times and then stay off for three-seconds. And blink again for 2, 4, or 5 times. This cycle repeats. The most common diagnostic code is the 4-blink code.

When the red LED blinks 4-times, it means one of two possible causes:
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It is best to take this television set to a repair facility and ask that the +13V power supply be repaired.
The copper tracks and integrated circuit pads are very thin and delicate on the KV-24FV12 circuit board, and will easily lift off of the circuit board, if the incorrect desoldering tool is used. Unless one has a good quality PACE vacuum desoldering unit, one should not attempt to repair the television.

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1 Answer

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1 Answer

Power serge


ok First question does the led continue to blink after 70 seconds after u plug it in. it is common for a cuircit board called the dm(digital module) to go bad in these units. this set has a keyboard lockout feature. Press menu for 10 seconds on front panel. if that does not release control then u more than likely have a problem with dm module. there are several bullitens about this and several things a tech can do to repair this set

Jan 16, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Tv wont turn on only clicks and then flashes red timer light


Well, I have found out that the number of red light blinks is a "blink code" that indicates the nature of the fault with the TV. Usually these are various failures of internal fuses or circuit boards. There's a fair amount of information on threads at techlore.com on this, so try searching there. Teh specific codes and manuals are usually it seems under license from Sony and not available for free to the public. Sorry!

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2 Answers

Tv wont turn on


Had the same problem. turned out to be the power supply to the DM assembly. Had to put a power supply, board and a new lamp in. Tech said the lamp blew out the power supply and board. I think it's just a lemon.

Oct 08, 2007 | Mitsubishi WD-52525 52" Rear Projection...

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