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Set dead. Repaired power supply. Backlights ok. No picture.

When switching on green light turns red after about 20 secs. Suspect video board?

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I alctually had the same problem. What kind of monitor is it?

Posted on Apr 02, 2015

Testimonial: "Hi Joao, I have solved my problem. It is a Mecer monitor. I am used to repairing Dell monitors and this simple thing on the Mecer was only an indication that there was no video input. On the Dell the monitor has its own video and displays a permanent moving test pattern. Simple but it had me confused lol!"

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My acer aspire v5-531 will not turn on and no lights at all when connected to tested power supply


kindly remove the battery n check with power, if possible get checked the power connector of the power supply, with a multi meter, if its ok then its a main board issue. u have to change the main board

Jul 16, 2016 | Acer Aspire Laptop PC V5-531-4636

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Sharp Aquos LC-C3237U no picture backlight OK green light on


check if their is a signal on voltages around 3.3v at the inverter board if none their is a problem in the board which is in the processor.

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LG 32" Plasma TV power-on problem


Hello,

Your power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
hope this helps...

Jul 02, 2010 | Panasonic TH-42PWD6UY 42 in. HD-Ready...

1 Answer

No picture, just a red blinking light


First make sure to hit the menu button on the TV's remote and if nothing is there then friend while the set is on turn a bright flashlight on and shine at angle into the set push the TV menu button if you can see a image then your back light is not working.
Cost backlights around 150.00 and power supplies around 100.00. Well this should help you friend.

Feb 07, 2010 | RCA Televison & Video

1 Answer

IGOT 3 RINGS OF DETH


Three red lights on the ring of light is an indication of a hardware failure

1. Turn off the xbox 360, disconnect the cables wait for 20 seconds reconnect the cables and turn it back on.

2. Check the light on the power supply ( The big brick that goes to your wall )
If the light is green that means the power supply is OK
If the light is Red that means the power supply needs to be replaced

3. If above steps doesn't work, you need to contact xbox customer support to get your xbox repaired
and shipping and handling will be covered.

Apr 14, 2009 | Microsoft Xbox 360 Console

3 Answers

Three red lights


Follow this steps:

1. Turn off the xbox 360, disconnect the cables wait for 20 seconds reconnect the cables and turn it back on.

2. Check the light on the power supply ( The big brick that goes to your wall )
If the light is green that means the power supply is OK
If the light is Red that means the power supply needs to be replaced

3. If above steps doesn't work, you need to contact xbox customer support to get your xbox repaired
and shipping and handling will be covered.

Good Luck

Apr 03, 2009 | Microsoft Xbox 360 Console

1 Answer

Three red lights


Follow the steps below, Hope this helps

1. Turn off the xbox 360, disconnect the cables wait for 20 seconds reconnect the cables and turn it back on.

2. Check the light on the power supply ( The big brick that goes to your wall )
If the light is green that means the power supply is OK
If the light is Red that means the power supply needs to be replaced

3. If above steps doesn't work, you need to contact xbox customer support to get your xbox repaired

Dont worry shipping and handling will be covered.

Apr 03, 2009 | Microsoft Xbox 360 Elite Console

1 Answer

Monitor goes black but the green light stays on. I turn the power button off and then back on and it comes back on. It may stay on for a few seconds to several minutes.


Check to see if the image is Dimmed. Chances are the power supply on the FPD is either dead or not supplying power to the back lights.

Your problem is the back lights are not being powered. There is a signal going to your FPD because the power light remains on green, but the back lights are what helps support an image from the Front Panel Display.
The only way to fix this is to open it up.

If its got 3 boards inside((logic-->video, Inverter, Power)) The problem is the Inverter. Replace it.
The inverter is the board that supplies power for the backlights to turn on. The backlights
provide a light.for the LCD Panel(provides color and is the logic. ... similar to a projector.
If its got 2 boards inside ((Logic-->video, Power)) The problem is the power supply. The inverter is embedded onto it.

Simply replace the part with a known good one, and you got a spanking new monitor.

Sep 18, 2008 | Computers & Internet

2 Answers

LG RZ32LZ55


There could be two possible failures:
1. The backlights are defective (not a common failure for a 14 months old LCD) or the backlights driver/inverter is defective.
2. Power supply failure(very common failure on LCDs) will cause the symptoms you described.

May 22, 2008 | LG RZ-20LA70 20 in. LCD Television

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