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The tv /AC monitor gone black and does not work.i opened it and se in the back 4 openings for cables. but only 1 cable that goes in the monitor. my question : where are the other 3 cables or are there

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  • 147 Answers

That cabinet back could be used on a different model monitor that also had component inputs. (Three of them.) Yours never did have them. That is not why it does not power up.
Sounds like an older monitor.

Posted on Nov 26, 2014

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No cable, 99% are gear-drive. Dirt, water, debris got inside. May need to take it into Subaru and have them remove/clean and reinstall. Great SUV- I'd pay to have it done, its a Subaru.

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Posted on May 23, 2010

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Hey my tv screen work for a little a while and then turn off


I just fixed one JV-TV2040 monitor that worked intermittently. Turns out the AC power adapter was bad. The wire was cracked inside the strain relief where it goes into the adapter. You can either replace the adapter with a suitable replacement or do like I did and carefully hacksaw the case open, chop out about 4 inches of bad cable, and resolder to the circuit board. I glued the repaired unit back together with silicone glue.

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Will not come on


Hello bad minton 2 hi, check the common things first.
1. power cable, make sure its good. 2. AC mains outlet. 3. Loose AC port connection of the power cable. 4. Power switch.
If all is OK. problem is the main power supply board. Now you may need to open the back cover. Caution: this should be done by a pro. 1. Check the fuse for open. if open proceed if not go to 3. 2. Check now for shorts like diodes and transistors. 3. Check for voltage outputs. you need a manual or diagram for this. 4. To check for voltage readings, you need a multitester for this: 4a. check the ac 110/220 volts entering the power supply module. check the cable. 4b. check the dc output from the filter capacitor. no output, check the fuse or fusing resistor. diodes 4c. now the voltages at the VCC line after the regulator. If no readings problem with the switching circuit. Note this is not as simple as you think. have a tech guy do the work if you cant find the problem.

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Envision G175 monitor goes on then goes black


This could be one of three issues:
1) Monitor is bad
2) cable is bad
3) video card is bad.

Try to plug the monitor into another computer or laptop and see if your current setup still shows black. If it now works, I'm pretty sure that it's your video card, seeing the other 2 components work fine for another computer. If it still doesn't work, then replace the cable and try again with the other computer. If the new cable doesn't fix the issue, then I think that it's monitor that's simply gone bad.
If it's the video card, you're going to have to open up the PC and replace and reinstall a new one. (do a Google search for help on this, but here's one link: http://www.directron.com/howtovideo.html) The install is easy, but if you've never done it before I'd recommend help from your local computer geek (someone from work?) or a computer place such as Geek Squad (located in Best Buy).

If this has helped, please give me the appropriate thumbs up! Thanks, and good luck!

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Need another set of tv-to-tv cables. An a/v cable and a dc cable


I had to move my AV cable around quite a bit to get the second monitor to come on. I realized it was the cable and not the connection by holding steady the connections and moving just the wire. I checked Radio Shack and Best Buy - no luck...

Then I did the following (takes 30 minutes max):
1.) found the portion of the cable that was bad
2.) carefully sliced open the outer jacket (with a box cutter razor),
3.) carefully pulled the wires (white, red, yellow, and bare copper ground) out of the outer black jacket. Inspected and found no visible defects. Realized that likely the yellow wire (probably the video feed) was shorting against the bare ground...so did the following remaining steps to remove the ground away from other wires.
4.) cut and unwound the ground,
5.) put the white, red, and yelllow wires back inside the outer black jacket, but left the bare ground out
6.) wrapped the two ends of the bare ground (that I cut in step 4) around the outer black jacket (still containing the other wires)
7.) reconnected the two ends of the bare ground, by twisting them together (you'll use-up an inch or two of the ground to re-twist it, so you will have to leave a small bump in the cable from the excess black jacketed portion.
8.) use black electrical tape to wrap all the wires together from the portion we opened-up.

Works like a champ.

Jul 06, 2010 | TruTech LMD-5702RT Portable DVD Player

2 Answers

No signal onthe screen


If you are connected to a high definition cable box or satellite tv box you would not need to turn to channel 3 on your television. The television would need to be in the right input either component or hdmi. If someone connected the tv to the cable box or satellite tv box with a coax cable like an antenna cable then the tv channels will be available on channel 3 as well but they will not display in high definition. You change channels with the cable box/satellite tv box remote control. If the above is not correct and you are only connected to an antenna cable and not to a cable box or satellite tv box you will need to complete a channel search from the tv menu. It sounds like you are using a cable box/satellite tv box and that the tv is on the wrong input. If the cable box/satellite tv box is not working (i.e. just a black screen) on your television than that is a different matter entirely.

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1 Answer

Black screen, power light flashing, won't power off.


Please look here to se what usualy goes wrong in Dell moniotrs: http://s807.photobucket.com/albums/yy352/budm/Dell%201704FPT/

Just be real careful when you open up the case, the front panel switch assembly cable is very short and you can easily break the cable. Post back what you find.

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2 Answers

Monitor starts then goes off, no signal


I would check the LCD against another monitor. It does not have to be a LCD, a regular monitor will do.
This will tell you 2 things, 1. The Video card is good or bad, 2. The Cable is sendinf a good signal.
If when you startup the monitor, you see a display and then after a few seconds it display's a no signal message, this is consistant with a Bad cable or cable ends. or Bad VGA card from computer.
Hope this helps. Good luck..
P.S. If you have move the PC, you may want to open the unit, and re-seat the Card. If the card is not making a solid connect on the board, it will display these syptoms.

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if youre handy with tools , check a COLD SOLDER where a TRANSFORMER is re solder any suspicious solder or burnt .
hope this helps AJ

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1 Answer

Monitor goes blank


I was thinking about your problem, I just had a similar issue and the problem is that the inverter or the power supply with an embedded inverter had gone bad.

The reason it goes black is because the inverter fails to provide power to the LCD Display.

The only way to fix this is to open up the FPD:

*note these are instructions for the most popular FPD 1730*

1.there should be four screws on the back --> plus two large screws that hold the FPD stand and the Monitor together.

2.Open the back by pulling the cover off
Remove 7 screws holding the frame and the power button for the LCD

3.Remove two screws through holding a silver cover and remove cables.(pinkwhite) (blackwhite)
Please note where they belong before removal**

4.On the edges left and right are two screws 4 total ---> remove and remove LCD off of frame**becareful because the backlight Damaging can cause severe damage to your LCD panel.

5.Choose your model
Your FPD has 3 boards (power, inverter(backlights) Logic Video)
replace the inverter with well known good one

Your FPD has 2 boards(Power with inverter on edges, Logic Video)
replace the power board with a well known good one

6.Then do steps 1-5 in reverse order(putting your FPD back together.

I hope this is significant help



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