Question about Compaq TFT5000 15" LCD Monitor

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Compaq tft 5000 out of work

Hello, i have a problem with my tft compaq tft 5000: the power supply is good ( i have testing it) but the tft don't light . no led green/orange no light... what's problems on the card? an idea to defectous composants? Thierry

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Re: compaq tft 5000 out of work

Your backlight probably went out and needs replaced.

Posted on Jul 31, 2007

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Cannot power on the monitor

If this is the power section you are testing it is important that the switch mode frequency is present from the SM drive IC. If not the SMPS will not work. The diode will test only in one direction and if there is no leak it must be OK.Please check this link for tips.

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FPD1975W TFT LCD monitor my monitor blinks a blue power light and flsahis a white screen but it does not turn on ?


A flashing power light indicates a failure of the power supply, this will also cause the white screen. Here is a link to a page showing what parts need to be replaced to repair the power supply board and get your monitor back running again.

I hope this helps, if so please rate my solution,


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This is the strangest thing I've ever seen. I have a Gateway FPD1975W TFT Monitor and its always worked great. The other day it went into a sleep mode via windows, and now it wont boot up the input...


Your monitor problem is causes by the power supply. What is happening is the power supply voltages are not stable, just enough to power the unit up. When you connect it to a video signal the power demands slightly increase and the power supply can't handle it. This is a very common problem with LCD after a few years of use. The issue with the power supply is the capacitors have started to fail. These parts are used to filter the output voltage and when they start to fail the outputs start rippling hence the problem you are having. Here is a link to a repair article that shows how to repair the Gateway FPD1975W monitor.

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You can make it work by yourself,having a basic knowledge will be an east in rectifying the fault.
You need to check the output voltages of the power supply to see which one goes off. It may be due to short circuits some where.
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MY TFT Monitor suddenly scrolls..

Try it on another PC first, if it still does not work, then check the DC filter caps in the power supply section first for leaking/bulging tops.

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hello, my best guess is that the refresh rate is set for a crt monitor. hook your old one back up, if you can. and change it to 60 hertz or 70hertz. go 2 display properties then settings then advanced; then monitor. set the refresh rate as i said and turn off the computer, hook the new one back, and you should be good to go. good luck! and please rate this solution. if you need further assistance, reply

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Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages.
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It might be the connection loose of power cord problem or check your TFT power connector inside the TFT if you can open the TFT screen!!! It may be dry solder….
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I need diagram conections , power suplyy 12 and 5volt of monitor compaq tft 5000s

thank you

Sep 06, 2007 | Compaq TFT5000 15" LCD Monitor

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