20 Most Recent LG 47" 5400 Series LED HDTV - 47LN5400 Questions & Answers

Wait until it is very dark. All lights out. Switch on. The screen should perceptibly change from black to dark grey. Perhaps you will see some light leakage near the edges where glass meets plinth. And there is the T test where you touch the screen with the back of your hand after it's been on for a while. Although LED backlights are cold, they do generate some heat. So a perceptible change in temperature usually indicates that the backlight is functional.

Screen will exceed the value of the set. If it is even available. That is the single biggest cost in tvs. Even u Der warranty few manufacturers replace them. Most replace the entire set.

Then you have another board that is shorted or causing an overvoltage condition that is destroying the new PCB

Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electro-medical.blogspot.com/ http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Back - light problem. 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://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Typical case of Timing control board blew (T-Con). it could be due to electrical shock on DC-DC converter chip. You might need to swap it for a new one. Good Luck!

Fault to the main power supply regulator section. Either it will be on a separate board, or on the part of its main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/

Question edited for clarity. It appears to be an LG rather an an IG. https://www.avforums.com/threads/lg-42lb1db-how-cani-remove-the-swivel-base.519459/ Further Help and videos https://www.google.com/search?q=lg+42lb5df+remove+base+stand ..

The screen blank out

Likely a dry connection where the HDMI socket it soldered to the board. https://www.google.com/search?q=LG+PLASMA+TV+MODEL+NO.60PS60-UA+that+is+not+picking+up+the+HDMI Old plasma technology though, time for a new one, as quality has moved on. https://reviewed.usatoday.com/televisions/content/lg-60ps60-plasma-hdtv-first-impressions-review-830 ..

This is the Power Board for it. check those 6 electrolytic Capacitors on the right for bulging or splitting. Don't buy it blindly, it's a guess. The output voltages with a digital multimeter. https://applianceparts.com/item/10217204/LG/EAY62812602/ Many parts are obsolete. eBay has used boards, but they are risky because they are out of scrapped sets. https://www.google.com/search?q=50PN5300-UF+power+board We have a television expert named Larry, but I haven't seen him for a while. This used to be my advice https://www.fixya.com/support/r29790007-repairing_own_television ..

Maybe the disk is not compatible with the DVD player version

It can't be done. The DVD remote will be single frequency for that device only and the LG remote for that LG Blu Ray (or series) only. Companies don't make cross-control between makers easy. The only exception is cable and satellite boxes to allow their remote to also control the television. If you have lost a remote or it doesn't work, this is the answer https://www.fixya.com/support/r29872378-universal_remotes_no_facsimile_remote ..

Question edited for a lot more clarity. All in the link https://www.google.com/search?q=LG+BD590+make+region+free ..

You can't, the LG DVD Remote is single frequency. If you are lucky, the LG Television Remote, might control an LG DVD. If you have lost a remote, have a read of this https://www.fixya.com/support/r29872378-universal_remotes_no_facsimile_remote ..

If you would like to share any clues, yes. Checked power going in, I presume. Any indicator lights? If yes, how many times does it flash?

faulty dvd reading lens,should be change by expert professional

Question edited for clarity and add maker. No one uses Universal Remotes these day. You buy a Remote that is a Copy of the original. https://www.fixya.com/support/r29872378-universal_remotes_no_facsimile_remote The AMELY is a very cheap and nasty Chinese Remote and they don't supply instructions!! https://www.amely.cn/AD-UL101-S-AMELY-unviersal-TV-LCD-LED-remote-control-p636185.html Codes are decided by the brand of television. This is for LG https://www.google.com/search?q=universal+remote+codes+for+lg+tv ..

It appears to be a model made for the India market. https://www.google.com/search?q=lg+dsi+8555+manual This is the only service manual that is related. If the display is not working, look on the back of the display board for a split or bulging electrolytic capacitor.

SERVICE MANUAL

Encompass Parts https://research.encompass.com > ZEN PDF This manual was prepared for use only by properly trained audio-video service technicians. When servicing this product, under no circumstances should the ... 109 pages

buy replacement remote google your tv model number follows by remote.