Question about NEC Projection Televisions

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When trying to power up the status light flashes yellow 3 times and goes off it does it again then it flashes red 3times then it shuts down the bulb never comes om just the fan. i have a nec vt540 projector

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Hi,

I want you to see this document to troubleshoot your projector.
www.douglascollege.ca/__shared/assets/NECVT440K-540KMANUAL32259.pdf

Goto page no: 35 . It has information about status light messages and i hope it will help you.

Hope my info solves your problem,
Thanx for using fixya.

Posted on Oct 01, 2008

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2 Answers

My Mitsubishi WD 65736 TV has a bad Fan ... according to a tech that came out . How do I tell which of the 3 fans is bad .. all 3 come on for about 15 seconds then shut down all at once ... start up again...


Hello, count the blinking light pattern. It may blink 2 to 9 times, pause and repeat the pattern again. Does it ever light the screen when it's cycling on and off? Let me know....tks

Feb 24, 2015 | Mitsubishi WD Projection Televisions

1 Answer

My 73" mitsubishi dlp WD-73827 turns off and has a red status light blinking. I have replaced the bulb and the heat sensor... any answer to what else could be the problem?


It is helpful to have the sequence of the blinking red light. This may help:

MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927

Page 43

3. Error Code Operational Check

Note: The TV must be in "Shut Down" and not have been switched Off, to perform the Error Code Operational

Check. When the TV is switched Off, the code automatically resets to "12" No Error.



Pressing the front panel "DEVICE" and "MENU" buttons at the same time, and holding for 5 seconds,

activates the Error Code Mode. The LED flashes denoting a two digit Error Code, or indicating no problem

has occured since the last Initalization.



Note: The front panel buttons must be used, NOT those on the Remote Control.



• The number of flashes indicates the value of the MSD (tens digit) of the Error Code.

• The flashing then pauses for approximately 1/2 second.

• The LED then flashes indicating the value of the LSD (ones digit) of the Error Code.

• The Error Code is repeated a total of 5 times.



Example: If the Error Code is "23", the LED will flash two times, pause, and then flash three times.



4. Error Codes

The Error Code designations indicating malfunction, or no malfunction, are listed below:

POWER

LED

STATUS

LED

LAMP

LED

Power

Status Condition

Off Yellow Off Low

Power Excess heat. Check Lamp Filter

Off or On Off Yellow No

change

120w usage time over 7000 Hrs.

150W usage time over 3500 Hrs.

Off Off Blinks

Yellow

Low

Power Lamp Cover open

Off Blinks

Yellow Off " Filter Cover Open

Off Off Red Stby Lamp did not turn On

Off Blinks

Red Off Low

Power Fan Stopped

Off Red Off " Circuit failure (short or DVI

connector unplugged)

Abnormal LED Indications

Error Codes "DEVICE" & "MENU"



Error Codes Description



12 No error detected

22 Recovery from Reset

32 Lamp cover is Open

34 Lamp abnormality

35 DM Fan failed (Chassis Fan)

36 Exhaust or Lamp Ballast Fan failed

37 DMD Engine Fan failed

38 Lamp temperature abnormally high. Remove Lamp to check filter.

39 DMD temperature abnormally high

41 Short is detected (Standby Power Supplies)

42 Lamp Fan failed

44 DVI cable between Format and Engine disconnected

46 DMD Temp. Sensor not detected (check DT connector))

47 DM Temperature too high

48 Engine power supply short detected

51 Speaker Drive circuit short detected

52 HDD excess temperature (V30+ & V31 only)

55 HDD Fan Stopped (V30+ & V31 onlyt)

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1 Answer

On-going problem where tv is turned on and almost immediatley says it will shut down because of an air-flow problem. After turning on several times it used to then work but lately it just repeats the same...


The fan is shorted and might be dead.The projection bulb been in the tv and used for the last 3 years?The projection bulb,life span are over.Require a new projection bulb.

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1 Answer

Status indicator flashes 3 short times, then one long red flash


Once the status light blinks 3 times, this is an indication that there's a problem with the lamp. The lamp may need a replacement.

If you replace the lamp, but get the same problem, check the inverter board.

If you're not sure where the inverter board is, then you may need to contact a pro for your safety.

Good luck and have a good evening!

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2 Answers

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Are you putting the lamp cover back in place before trying to turn the set on? The 2 blink error is a temperature error you might want to check the thermal sensor, is your lamp door warped?

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Its the fan that cools the bulb. Try turning on the tv and look at the fan to the rear of the bulb. If the fan is not spinning that is your prblem. The tv has a safety switch that will cut off the tv if the bulb gets too hot. I was able to tap my fan with a pencil and get it spinning, but that is just a temperary fix. After a while, you will find the fan will stop working all together and it will need to be replaced.

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1 Answer

Lg ru52sz51d will not turn on intermittantly


Check fan if bad set will not turn on ,it will try to come on.Bad Fan.

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1 Answer

I have a LG RU-44SZ61D DLP TV and recently replaced the bulb. After about two months the TV went really dim and then started shutting off. The problem increased to the point where you couldnt have the tv...


DLPs have flow chart trouble shooting techniques to pinpoint exactly why your set isnt completeing the boot sequence. If you would like the service manual for your model let me know and i will post a link where you can purchase a complete one.

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3 Answers

Tv keeps turning off?


cutta, you will most often hear a click on boot then the fans start up and lamp will then fire. The picture will start to show up....at what point does it shut off? and do you hear a click when the tv is turning off? Is it the complete tv shutting down, fans and everything that turns off? Do you see any lights on the the front panel "POWER", "STATUS" or "LAMP", what are they doing? If you see a Power, Status or Lamp light after it shuts off the below are what they mean if there is an issue. POWER - STATUS - LAMP - CONDITION/ISSUE: Off - Yellow - Off - Temp. high/dirty filter/excess room temp Off - Off - Yellow - 4000 hrs. Lamp usage warning Off - Off - Blink Yellow - Lamp Cover open Off - Blink Yellow - Off - Air Filter Cover open Off - Off - Red - Lamp failure (failed to turn On or broken) Off - Blink Red - Off - Fan Has Stopped Off - Red - Off - Circuit failure (short) or DVI cable disconnected If you want to check for the last "Error Code", after you first turn the TV on, by pressing the front panel ?DEVICE? and ?MENU? buttons at the same time and holding them for 5 seconds, it activates the Error Code Mode. The ?Power LED Light? blinks/flashes (1/2 sec delay) and then flashes again denoting a two digit Error Code indicating no problem or an error has occured since the last Initalization. i.e. "Power light" blinks 3 times (1/2 second delay) and then blinks 4 times then 1 sec delay and repeats a few times. This would mean "Error 34 - Lamp abnormality". See below for error codes..... Error Code - Description or issue 12 - No Error detected, check Power Supply 32 - Lamp Cover is open 33 - Air Filter Cover is open 34 - Lamp abnormality 36 - Light Engine (DMD or LAMP Fan stopped) 37 - Exhaust or Lamp Ballast Fan stopped 38 - Lamp temperature high 39 - DMD temperature high 41 - Short is detected 44 - DVI cable between FMT & Engine disconnected. Sorry for the long answer but it was an open ended question.

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