Question about NEC MultiSync LCD4010 40 in. Television

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NEC LCD4010 no image

Powers up, can just see back light is on but no image. Have several LCD4010 in my company & if one fails is always same symptoms. All screens fed from same source so not an input problem, Screens are used on YUV.

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  • Alvee Jan 23, 2011

    Not exactly; I got a tip from someone at NEC that it is a fuseable surface mount device and I also managed to get hold of a schematic. The schematic has a fault finding tree that points to a problem around a large integrated circuit. Looking at the schematic I can see that it looks as though just about every voltage feed to the IC has a protection component. I then looked at the actual PCB but the components are so tiny and so close together that even though I have surface mount repair skills and the tools I wouldn't want to attempt to actually locate and then replace the component. Sent it off to NEC in the end who charged a very reasonable £90.00 to fix it and no charge if you decline the cost. Of course, you have to get he screen to them and your problem might be something else.

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Hi Alvee,
Did you find out what the problem was? I am going to purchase the Main Unit so I hope that is the problem.

Posted on Jan 22, 2011

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My NEC MultiSync Lcd4010 turns on, briefly showing input info in the top right corner. Then the red light flashes 3 times and the process starts again. No picture comes on,just the info.


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Apr 28, 2014 | NEC MultiSync LCD4010 40 in. Television

1 Answer

Nec 4010


replace leak or bulged capacitors at the power supply board.

Sep 20, 2012 | NEC MultiSync LCD4010 40 in. Television

1 Answer

Fault code for LED flashes?


I would GOOGLE the model number to see if manual or error codes are available or search for the NEC site to see what information they have for you.

Mar 14, 2012 | NEC MultiSync LCD4010 40 in. Television

1 Answer

Where is the lamp located in the lcd4010


the lamp on this unit is the all screen , if you need to replace the lamp , you need to replace the all panel

Feb 03, 2012 | NEC MultiSync LCD4010 40 in. Television

1 Answer

The NEC 4010 i have comes on backlight lights up no information shows on the screen then it shuts off.any idea whats going on here.


Yes,Ur Main Tuner board is defective,it shorted not letting the incomming signal go through the Tuner board,that why u getting a blank baclklight on the LCD screen.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.

May 04, 2010 | NEC MultiSync LCD4010 40 in. Television

1 Answer

NEC PX-42VP4DA Won't stay on.


It may not be the power supply. It can also be another board/module that causes the PS to cut-off.

Aug 06, 2008 | NEC PlasmaSync 42MP1 42 in. Television

1 Answer

Picture no sound


We have the same problem here too. Please email me if anyone has a fix action to this.

Jun 16, 2008 | NEC MultiSync LCD4010 40 in. Television

1 Answer

Umada mod lwd400-s1


a matter of broken electric electric capacitors inside your TV.

Solution:
- Open backplate (loads 'o screws and ruins your warranty)
- Remove the connectors from the center circuit board
- Remove the circuit board via 4 screws located on the side
- Remove plastic on the back of center circuit board
- Remove cooling plates of circuit board
- Look for bulging capacitors
- Solder these out
- Go to local radio shack, take the capacitors (and spend about 5$)
- Resolder new capacitors
- reinstall circuit board
- Hook everything up and close the back plate

Voila! (at least, this worked for me)

Jun 14, 2008 | NEC MultiSync LCD4010 40 in. Television

1 Answer

No display


When you get the red and green leds lit it means the screen doesn't see an input signal and has gone to stand-by. That the red led goes off when you reconnect suggests a signal has been recognised by the screen but be very aware that it may not be a good signal. As you are using a PC input I will assume the signal is RGBHV, maybe you have the H and V swapped around? I would try another computer source into the screen.
You say you are using the digital harness, please explain exactly what this is.

Feb 18, 2008 | NEC MultiSync LCD4010 40 in. Television

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