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Set is dead green light comes on and off instantly.

Set is dead will not stay on. turn it on and the green light comes on and right back off. is this most likely in power supply board. need a schematic for this set, any help would be appreciated. this is a mitsubishi model vs5044.

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You can buy the service manual at www.servicemanuals.net Best bet is a bad cap on the hot side of the main power supply not allowing the charge to power up... You can rule out a short for the most part as the fuse would have popped and wouldnt power back on.. Should be an easy fix.. Just pull the power board and replace all caps radial caps 1uf to 100uf on the part marked hot side and I bet it will fix your problem. 99% of the time thats all it is.

Posted on Sep 02, 2008

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Turn the tv on and the green light blinks and then turns off and comes back on then turns off again but the screen is black. What is wrong?


KDF 60XS955 intermittently turns off green light blinking then on after...
The frequency and color of the blinks will indicate the issue. There is a hold-down button sequence to try to backdoor your way into the set to see if the panel will light. You may have simply racked up too many "weird tuner faults" and need to reset it. My suspicion is that it's either that or bad panel backlight.

Unplug set, press and hold (on set) volume-down and channel-down and hold them while pluging in set. Will come on with "k" on screen, or will crash again if backlight bad. If it stays on, use your remote and arrow right then look for "fact init" and any other reset and turn them on. Arrow back up to "fact init" and hit enter. Let set recycle to green and unplug/re-plug in 5 seconds: the set should be in OOB state
ref:
Sharp lcd tv power button flashing

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1 Answer

No picture or sound replaced power supply


From your lack of punctuation in your question, I'm assuming you haven't got much skill in doing electronic repairs. Please put the set back together and see if it works. If not, a manual for that particular model of tv may be valuable in diagnosing the symptom. Also consider having the set repaired by a pro shop if it is worth the price. 25364828-r3bjqznynds2synwlwuatkh4-5-0.jpg

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1 Answer

Picture will not come on


A few questions and a suggestion:

Do you get sound? Does power light stay on?

suggestion:

Unplug set and remove back cover---set will have several green led lights on board in power supply and one red one.

Red one should be on. While looking from the back have someone turn set on---note if all the green led lights come on and if one or more go off before the others you have located your problem.

The green LED's monitor voltage sources in the set's power supply.

I have more ideas but need more info from you.

If this helps rate this solution as very helpful as I do this here for free.

SD TECH

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1 Answer

Power will not stay on


Based on the model number WS65511, this set has a self check.

Turn on and when green power light goes out:
On the front of the set press and hold BOTH the MENU and INPUT buttons for at least 5 seconds and then release both buttons.

Power light will blink a two digit "error" code.

The most common is 2 blinks, a pause and 2 blinks. Set will repeat the error code at least 5 times.

Let me know what error code you find and I will tell you what it means, I hope you find it is 2,2 as that is the most easy to fix.


SD TECH Steve

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1 Answer

While watching tv it just turned off, we turned it back on but no pictures but there is volume. also to turn it back on we see red light and green light together flashing then it turns off. i just replaced...


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1 Answer

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you may check your lamp first. other than that i would say a faulty mains board.

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3 Answers

The Power Light is Red


yeah, should stay red when unit is turned off, indicating there's power but it's doing nothing.

Per user manual:
Solid red - power off (standby mode)
blinking red - power off (now cooling)
blinking green - power on (preparing to light lamp)
solid green - power on

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1 Answer

Dead, green light flashes only.


Replace the digital pcb. It comes it two parts so make sure you get the one on the top.

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1 Answer

Tv won't stay on!


Check C506 = high failure item # 483512247584 680pf / 2kv

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