Question about ViewSonic N3000W 30 in. HD-Ready LCD Television

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Standby ?? no Power ?? no Working ?? Hans from Germany DANKE

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Gruesse ;-)
Power supply failures are too common in later sets and I suspect that is what you have. The supply is normally on a separate board and can be replaced by the owner if you can find one to buy.
Remove the back panel of the set and look for a smaller board with larger parts on it that seems closest to the AC (wechselspanning) input.
If you replace it, do not throw the old one away, look for a repair company, the cost shouldn't be more than 75% of the new one and you will likely need to have a spare.
Viel glueck!  

Posted on Feb 18, 2009

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Tv turns on and goes out in a few minutes

Posted on Apr 09, 2010

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6ya6ya
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Posted on Jan 02, 2017

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I have a Insignia NS-L32Q-10A that will not power on. Now power on light or standby. I have replaced the power supply already. All caps look good and fuses check OK. What next???


ok, when you plug in the set, does the power light come on? Assuming you ordered a power supply in good working order, you may very well have a faulty main board. The power supply produces standby power that the main board uses to power the standby/power on light. Your main board also uses the standby power to provide the "ON" signal to turn on the rest of the power supply.

Feb 02, 2013 | Insignia NS-L32Q-10A 32 in. HD-Ready LCD...

3 Answers

Viewsonic VPW450HD Plasma


Hi,

Did you try unplugging the TV from the power for a few hours?

Dec 25, 2007 | ViewSonic VPW450HD 42 in. HD-Ready Plasma...

1 Answer

Hitachi LCD L42S504 not working


If only 5 volts likely the standby supply is working:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have tobuy and try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.


4_2_2012_2_07_55_pm.jpg

Apr 02, 2012 | Hitachi Televison & Video

1 Answer

I have a avol tv from germany, i am in the US and tried to hook up tyhe tv. Everything works except it is in black and white and fuzzy. ive tried messing with the settings but nothing is working. Do i need...


aoconnor733,
It looks like you've run into a problem with the way TV signals are formatted around the world.
Unfortunately there isn't just one standard, but three!
Even worse, the standard used in the US is not the same as the one used in Germany and they're not compatible.
However all is not lost as NTSC-to-PAL and PAL-to-NTSC converters do exist. You're probably best advised to visit your local electronics retailer (Best Buy or equivalent) and ask them to help you find something that's most appropriate for your audio-visual (AV) set-up.
Failing that, type "NTSC PAL Converter" into Google Shopper and see what it suggests.
Kind regards,
Talyene
P.S. If you're interested, you can learn about the different standards by clicking the links below.
[Germany - PAL B/G] ' [USA - NTSC M]

Mar 03, 2011 | Televison & Video

2 Answers

50 in lg plasma wont turn on just clicks


hi,
you have to check the power supply first.

As u mentioned about the click sound, the 5v standby supply is ok. The click sound you hear is from the standby relay.
you have to check the other power supplies in the SMPS (switch mode power supply board) board.
first of all check the standby supply 5v on tne pin of connector P800. check the voltage at this point in standby condition and at the time of power on. it should stay at 5v. if it reduces the you have to check the components related with standby SMPS transformer T501.

If the 5v volt is ok the u have to check the 3.4 v at the pin 1 and 2 of connector P802, at the time of power on. if it is missing then check the components related to T112 ,also check the following voltages at the same power on condition.

19v at Pin 1and 2 of P803
6v at the pin 5 and 6 of P802
12v at the pin 9and 10 of P802

check these to verify your tv's power supply
proper care should be taken while working with power supply, because there is risk of getting electric shock.
if you need any more assistance fell free to contact me through fixya.
I have with me its field service manual ( does not have any schematics) if u need that i will sent it to you, if u give me your email id through fixya.
ok

Jan 18, 2011 | LG 50PC3D 50 in. Plasma Television

2 Answers

It has no power just stop working


That is a power supply problem. Fortunately power supply circuits are not digital so it is easy to service. I am an expert in power supplies. The power supply in an HDTV. Is the standby light at the front of the TV on? If not then the standby section of the power supply is bad or maybe you just have a bad wall outlet. Let me know.

Jul 02, 2010 | Protron PLTV3250 32 in. LCD Television

2 Answers

NO POWER ON THE TV SANSUI PLASMA SV EPD 4230BP .IT HAS TRIPPED THE ELECTRICITY.NOW THERE IS NO POWER ON THE PLASMA TV WHICH IS 42 INCH.


If you have a power cut when tv is on - it shuts down for safety - leave it for 1 hr or overnight - then it works!! I have a UPS as our power here in Mozambique always goes out

Aug 12, 2009 | Televison & Video

1 Answer

Have to move to Germany , is the TV working there?


PDP4224M will work in Germany. I know that, because it displays any system from my Samsung SV-5000W.

Mar 09, 2009 | Akai PDP4225M 42 in. Plasma Television

1 Answer

PFM-42b1e LEd flashing 6 times... 1 sec. picture with green stripes... and then it turned to standby


I have a sony tv PFM-42B1 when I turn it on it go to standby an a red light flash I count count 14 time but I heard that it only support to flash 1 to 6 time how do count the flash

May 06, 2008 | Sony PFM-42B1 42 in. HD-Ready Plasma...

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