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Lg tv repair, video is scrambled pixels. Audio comes through good and every menu is crystal clear. I've tried multiple sources and cables, even wifi apps have the same problem. Main board?

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: lns4692d no picture

No it is the little board underneath the metal container at the top middle of the panel..the very top.

-Josh

Posted on Mar 14, 2008

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SOURCE: sound no picture, which component is tcon board? where all audio/video/cable/hdmi plug in to?

for bn94-00963b go and change your backlight inverter

Posted on Oct 05, 2008

  • 1 Answer

SOURCE: sound no picture, which component is tcon board? where all audio/video/cable/hdmi plug in to?

I have LNS4692D. Returned from vacation, turned tv on - no picture. Tried turning tv off for 4 hours- nothing. Symptoms are: tv is on - no picture , just sound; menu doesn't show, volume bar doesn't show;E.Saving is working - the backlight is changing from lighter to darker.
Found this website and ordered T-con, otherwise known as the LCD panel driver board, p/n# Bn8101286a ( thanks premtech) from partstore.com for $124. Part number BN81-01286A A/S T-CON Board.
Installation:
1.Remove plastic cover. There is an arrow for each screw that needs to be removed. Make sure to unscrew pins next to VGA port. I've spent some time trying to figure out what else is holding the plastic panel until I found this pins.
2. Remove big metal shield in the middle of tv that is covering main components. This shield is being held by small black screws all around it.
At this point you will see cover of T-CON. Here is the picture
http://www.avsforum.com/avs-vb/attachment.php?attachmentid=118863&d=1220531321 (thanks ldac9). Do not attempt to remove that cover yet. Proceed with a next step

3.Remove metal panel that holds main components. Locate big chrome screws that have arrows pointing to them and unscrew them. Remove 2 more screws on the bottom of the panel that holds it together with a box for cables. At this point the main panel will be lose
4. Carefully start lifting the panel. You will see that there are connectors going from components on the panel to components on the lower panel and T-CON. Carefully unplug these components and raise the main panel.
5. Remove 4 screws that holds T-CON cover. Pull the cover so that T-CON is completely exposed. The cover is connected by thin alluminum , don't hesitate to pull it , but don't rip it out.
6. Once T-CON is exposed you will see 2 red ribbons. I've spent some time to figure out how unplug those from old T-CON board. Here is the suggestion. Don't try to pull it out. All you need to do is to lift small plastic lever that is part of a connector. Then ribbon can be slided out. If not sure what to do, see how this is done on the new T-CON. It has a principle of buckle on airplain safety belts.
7. Remove old T-CON and install new you.
8. Follow reverse order.

I've never fixed TV before , but this was totally successful project.

Posted on Nov 19, 2008

ButtFuzz
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SOURCE: Viore pdp42v18ha problem - no audio

Take it back to the dealer from which you purchased, receipt in hand and raise a stink.

Posted on Mar 04, 2009

  • 2 Answers

SOURCE: PDP5016H Akai Plasma TV

is the control board the one with the rca jacks on it,for sound and video input?if so email me at mesa1965@yahoo.com,i need one.

Posted on Dec 06, 2009

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My LG LED TV suddenly had black screen as I was watching. There is volume (sounds) coming from it but the screen is all black. What is wrong with it?


Not a good sign... reboot, and try again, if no display but audio, then check HDMI cable or whatever source cable you have by wiggling it to see if video comes back, if no, then most likely repair..

Feb 26, 2015 | LG Televison & Video

1 Answer

No audio after recording from sat. Reciever


Double-check your input cables from the receiver to the LG 389. Do you have the sat. receiver AV out connected to the front AV In on the LG DRT389? Make sure that you haven't mixed up the L and R audio connections on either side. (I've done something similar with RCA cables myself.) Next, try a different set of cables.

If that doesn't work, there may be a problem with the audio jacks on either your receiver or the 389. To check, plug the AV cables from the Sat. Receiver directly into the TV. If you have sound and video, then the input jacks on the recorder may be damaged.

Try using another input. (It looks like some models have the SCART input; you may need to set the input source in the menu under AV2 Decoder.)

The fact that you have audio output on USB and DVD's means that cables/connections between the LG289 and the TV are fine.

I hope this helps. Please add a comment with the details of which AV port you are using on the LG389 for additional assistance.

Cindy Wells

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1 Answer

RE: Denon AVR 3300 - I cannot get the system setup menu to display on Phillips P50PFP5332D tv screen? All connected components work and sound great, but I cannot see Denon's Setup menu on tv to a


I understand, it's something I've misunderstood on my denon avr-790 as well when connected to a samsung 8000 series led tv.
The answer isn't in the receiver's settings (you can be on whatever source you want on the receiver end when toggling the menu). You need to toggle through the tv's sources to find the menu (usually found on hdmi 1). I've spent towards an hour recently troubleshooting only to find that it was the tv's source that wasn't set properly and I was trying to change the receiver's settings instead of the tv's source.
Hope that helps!

Jan 16, 2012 | Denon AVR-485 Receiver

1 Answer

How can i hook up the ps3, and the tv, and the cable box to this system


Using its manual as a guide.

Consider the PS3 as an audio and video source, the Cable Box as a really high-end audio source and the TV as a Video Output only. Send the Best Audio ro Video sugnal directly from its source to the BEST device that needs it. There is never any good reason to run high-end audio to a TV or any video to a receiver if your TV has multiple video hookups. Routing anything somewhere it isn't actually processed or improved only invites failures (and expense) from unnecessary cabling.

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1 Answer

Intermittent pixel scrambling on screen (have AT&T u-verse/ Sanyo DS32920 Flat panel 32" TV)


Usually the result of a weak or interruption of the signal. If it occurs on all channels, look into getting an inline amplifier. If you have several splitters going to different tv's or a multiple splitter, the signal is degraded each time the signal is split. You can test this be temporarily making a direct link to the TV from the cable source. If it clears up, then you know you need to amplify the signal.

Feb 24, 2010 | Sanyo DS32920 32" TV

2 Answers

I have an LG all in one home theatre system, LCD TV and Direct TV satellite box. It is all hooked up and working fine except I only hear the sound through the speakers when playing a dvd or radio. The...


OK. For all you regular Joe's like me here's the fix--plain and simple! I have Dish Networks HD receiver, an LG Home Theater System (LHB953) and an LG HD Television - although I suspect this applies for most LG TV-to-LG Audio Systems used in combination with a HD TV). My problem lied within the LG to LG setting known as SIMPLINK which tries to "auto-configure" everything between LG to LG devices.

Do this to make your HD TV (using Dish/DirecTV) play it's HD video display from the satellite provider but play the audio over the LG surround sound speakers:

1. Plug a HDMI cable from your satelite receiver's set-top-box to your HD TV. This will carry your HD "video" ONLY. Click "Input" on the TV remote until the HD video signal shows your desired TV channel from your satellite provider.

2. Plug an HD Optical cable (the one with the red laser) from your LG HTS (Home Theater System) to your satellite box. This will carry your HD "audio" ONLY.

3. This is the magic everyone seems to be overlooking. On the LG TV remote, go into the menu options and disable SIMPLINK by setting SIMPLINK=OFF. This feature allows the video and audio signals to be split over 2 different ports: HD video goes over the HDMI cable and the audio to go over the HD Optical cable.

Hope this helps!
Scott C.

Feb 01, 2010 | LG LHB953 Theater System

1 Answer

Picture is scrambled after power surge. Have a


Check if it has a scrambled image on all sources ie - DVD- VCR - cable/satellite box. Since the PIP is normal it sounds like the signal source is bad.
Post back with more info about your set up (what's hooked to your TV) if you need more info

Nov 28, 2009 | Samsung HL-R4667W Rear Projection...

1 Answer

Random HDMI audio and video drop out & video noise


Hello, I am sorry about your issue. I suggest that your receiver be looked at by a service center. Thank you. Onkyo USA

Apr 03, 2017 | Onkyo TX-SR606 Receiver

2 Answers

No audio on tv channels but perfect on DVD playback etc


this looks very much like a problem I once 've had (and later found the solution by accident). When you go into the menu of the remote control and press the "automatic channel search" function you can always specify from which "source" the signal is arriving either 1, from antenna, (ie. over air) or 2, from cable or 3, from satellite. Then the decoder searches and finds a bunch of station in its reach. Once (while hooked up to an antenna) ,I had accidentally made it do the station search under the "cable" header instead of "antenna" and it found the same stations as the one's I've had before,(over antenna) but some stations suddenly had no more audio. Because I was unaware that the set was programmed under the cable header I could solve this strange mystery only much later when I reprogrammed it one day and it searched the stations under the Air-Antenna header, then suddenly all the stations were coming in properly, with good image and full audio. ------If this doesn't solve your problem then search under the menu of your set if at another part of it you can specify some other similar options like Antenna-Cable choice. I'm quite sure its easy to correct. good luck Alex

Mar 26, 2017 | LG DBRH197H DVD Player/HDD Recorder

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