Question about Philips 42PF9630A 42 in. Plasma Television

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I can hear the sound but the screen is dark with flashing red spots

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This is undoubtedly an issue with the buffer boards of the tv. These boards control the firing up of gas inside the PDP(plasma panel). Replacing the high and low Xa and Y buffers should resolve the problem. Replacement boards cost about 150-200$(for all 4). If you would like to fix the tv yourself then let me know

Posted on Mar 26, 2011

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Light flashes 4 blink and 1 long blink i press the power button i hear a click it starts flashing red and the screen is dark


The click is probably a short of some kind, possibly in the power control board. Please add the make and model of the tv and repost the query

Jun 08, 2016 | Televison & Video

1 Answer

Element T.V. modelELEFW504A,I replaced the main board/power supply when I turn it on it flashes oncs screen is dark no sound,fixes?


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/

May 20, 2016 | Element Electronics Televison & Video

1 Answer

Samsung PN58c590 plasma tv


Short circuited component/s at its main board. 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, to many popular brand TVs and other devices.Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.

Feb 24, 2014 | Samsung PN58C590 TV

1 Answer

Tv turns on then goes dark


Dear Sir:
you have problem with the power supply:
see the diagram
God bless you

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May 14, 2012 | Televison & Video

1 Answer

Red Lines through picture when screen is dark, back ground has a red tint. On my 48 "Sony Rear Projection" TV


You can try adjusting the Red color output. (Very touchy adjustment)

If you take off the front cover/speaker cover, there should be a access panel. Behind that, there should be a small square black box with 6 screws on it. This is the focus block. (At least this is where most of them are located)

It sounds more like you may need less red in the mix. There is a screw for each color. R, G, and B. Do not mess with the focus screws, just the ones labeled 'SCREEN.'

Go to an unused input where the screen should be dark. Barely turn the red down in a dark room so that the red spot is at the same level as the Blue and Green.

Use an insulated screwdriver and DO NOT TOUCH the focus block and ESPECIALLY NOT the back of it.
Very HIGH VOLTAGE. I found that out the hard way.

Do not turn any of these up too high or damage may occur and the TV may detect a short and shut off.

I have found that if the three colors are adjusted in a dark room to where the 3 color spots (R/G/B) are just barely visible on the screen at equal levels, there is a pretty good color balance.

I hope this helps! Just be careful.

Apr 19, 2010 | Sony KP-48S75 48" Rear Projection...

1 Answer

When turned on green light flashes and no picture


Check the Lamp if no picture, audio may be present. Screen is completely dark. Lamp LED flashes 2X every 5 seconds, Power LED flashes GREEN for 140 seconds then flashes RED.
Check the ballast if no picture, audio may be present. Screen is completely dark. Lamp LED flashes 3X every 5 seconds, Power LED flashes GREEN for 140 seconds then flashes RED.

Dec 24, 2009 | Panasonic PT-50LC13 50" Rear Projection...

1 Answer

Red spot on LCD


Hi,
1) That red spot means that a pixel is stuck, actually it's very common on LCDs.
2 and 3) It usually occurs for a manufacturing issue.
4) The most of the time it doesn't mean that the whole screen is going to fail, but in my case I would take advantage of the warranty if the laptop is brand new and the warranty is still there.
Good Luck!!!

Feb 24, 2009 | Computers & Internet

1 Answer

Dark spot on the screen


Sounds like the screen burned out. Any water damage? Check the sticker on the phone (white box near battery) if not. Call your cellular provider and get the phone replaced.

Apr 28, 2008 | T-Mobile Dash Smartphone

1 Answer

Red spot when screen is dark


You need a light engin. Visit www.vancebaldwin.com

Aug 20, 2007 | Hitachi 50VX500 Television

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