Question about LG Televison & Video

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32 in LG, about two years old, won't turn on. Have unplugged everything. Little red light blinking below screen near infared receptor.

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  • Master
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The 5vdc standby power suppy is working but not the rest.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Please post back what you find.
By the way, what is the model number of the TV?

Posted on Nov 11, 2010

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  • LG Master
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The tv have a dead power supply board.That the board,where the power a/c plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Posted on Nov 10, 2010

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Posted on Jan 02, 2017

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HAd been working fine turned it off came back later turned it on e light comes on blinks 14 times. unplugged it hoping for a reset. no.


Those 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 section 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 procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

Dec 31, 2015 | Televison & Video

1 Answer

LG 32LH30 screen won't power up. Red light at bottom glows hi to low, but no picture. Unplugged and waited overnight, plugged in again, still no picture.


There is a way to tell if you have a bad board, or a bad panel.

1. Make the room dark and turn on the TV. Can you see it light up? If so, does it stay lit or turn right back off?

2. If the panel lights, but you have no picture, I would suspect the T-con. Some units now have the T-con incorporated with the main board, so you will need to check.

3. If you never get any light at all, then I would suspect the power supply.

4. If you only get light for a second or two, then you have a bad panel.

Apr 10, 2012 | LG 32LH30 32 in. LCD HDTV

1 Answer

LG 42 LCD no sound or picture


Did anyone find out the solution for this??????? I have the exact same problem with my LG 32 LCD. I only had it for a year and a half, and the green light blinks a few times and it shows no picture. Not even a red light when the tv is off. The same thing happened a couple weeks ago and by some miracle it started working again.

Jan 28, 2009 | Televison & Video

1 Answer

Projector shuts down after turned on and both red lights blink


this model is prone to over heat. look near the lamp for the temp sensor it is most likely bad

Nov 30, 2008 | BenQ PE7700 Multimedia Projector

1 Answer

Samsung lcd tv ltm1755b won't turn on (power light stays red)


Problem: Samsung LTM1755B with only a blinking yellow LED when you try to turn it on.

Solution: I just had one of these come in. I opened it up, and found the U501 capacitor a little suspicious looking, in that it had a deformed top. It was a 470uF 16V electrolytic 105degC 10mm x 12mm. I replaced it with a very good quality 1000uF 16V electrolytic 105degC 10mm x 16mm Nichicon UHN1C102MPD. After that repair, when I tried to turn it on, the LED was yellow for a second, then green, then I got a picture, and it appeared to work great. I then asked the owner a week later how it was working, and they said it was working just like new!

Jul 31, 2008 | Samsung LE32R74BDX 32 in. HD-Ready LCD...

2 Answers

Screen shuts off


my screen will turn on right after unit is plugged in and stay on for a short period of time, then it shuts off and the red light near the power button blinks and teh tv will not turn back on. there might be problem of loose contact in power supply Thanks

Sep 11, 2007 | Toshiba 32AFX61 32" TV

1 Answer

Power light blinks red, TV doesn't turn on


if you are not technical i sugest you have this checked out by a professional most probably a fuse has gone from iside or your driver board has gone down. The blinking should be normal after you have turneds it off because some capacitors will be discharging.

Aug 23, 2007 | LG 32LX1D 32 in. LCD Television

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I'm hoping to get some clarification as to whether the below is correct or whether I have been taken for a ride. My LG was picked up by a repair service because it started displaying horizonal lines with the picture hazily in the background. I undertook some research and learned that in most cases of the boards needed replacing and it wasn't a panel issue (usually panel issues are associated with vertical lines). After having my TV for 5 days the repair service advised that it required a new power board and a small repair required on another board. They repaired the small repair and I was going to purchase a new power board however the TV has been returned to me dead. It now doesn't even turn on. The power/channel/indicator lights at the bottom flash on then switch off automatically. After getting consumer affairs involved, I finally received a call from the sub contractor and aside from a number of different excuses given based on my questioning of each explanation, all were contrary to the initial diagnosis discussed with me in early June. I documented the conversation which I summarise as follows: - he contacted numerous times however I never received any voicemail. I asked why - after "numerous phone calls" he didn't send a txt msg to which he replied that he's not allowed to send messages. - he initially alleged that the power board was repaired and video board needed replacing which I was quoted for. I corrected him advising that I was told and quoted for a new power board ($530) and the video board was to be repaired. He then changed his story agreeing with me and alleged that found and apparently quoted me $445 for a generic power board but I declined....Just to clarify, I never received this 2nd quote which is evidenced within the emails and messages I sent after receiving no response over a number of weeks. - he continued to claim that the TV now has panel problems and is now not repairable. - I recited the discussion the owner had with me which was consistent with the information when he provided me with the original quote of $530. He then altered his story replying that "this is a rare case... The owner doesn't know what he's saying". - When I challenged why I was quoted for a power board when he is now claiming there are panel issues, his response was that a new power board was to test if the panel was cracked!! - I replied saying that the TV was delivered to them with horizontal lines and even after testing should've been returned with horizonal lines however is now dead. - his excuse changed again advising that during testing he short circuited the TV and replacing the power board would continue to short circuit the video board..When I again questioned WHY then was i quoted for a new power board (as per the owners conversation with me) he returned back to stating that it was a rare case! - I told him about the screws missing in the back panel to which he commented that "they" wouldn't have put them back in because "they" assumed I would just dispose of the TV. What I find interesting is that this was his understanding whilst I was led to believe the TV was repaired (pending a new power board). It now makes sense as to why the driver who delivered the TV literally dropped it off and ran advising that he didn't know anything. I never received a service report and asked for it again however am yet to see it. Based on this information, can anybody shed light on what they've done to the TV? Prior to them taking the TV the horizontal lines were consistent with had a faint picture in the background and didn't alter at all. They're claiming that they did nothing and the TV - claiming that the reason why the panel doesn't turn on is because it was kept on while they were testing.

Sep 25, 2017 | LG Televison & Video

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