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LG 42LB5D Lcd sound cuts

LG 42LB5D Lcd

sound cuts off in HDMI mode. If I hit the volume key it goes back on. any ideas? should I call for service? the cable company tells me it's not cable box and it is not the HDMI cable. When I switch to cable mode; there is no problem. what's up?

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Dude i hope this isn't too late... Same TV I had the same problem with my ps3. I bet someone told you all HDMI cables are created equal but there not. I upgraded monster 800HD hdmi cable and not only was the picture so much richer but the annoying volume issue went away. I bookmarked this page hoping you'd figure it out but now i have the solution.
cons: the cord will set you back about 100 dollars.

Posted on Jul 11, 2008

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  • 31 Answers

Sounds like you need a firmware upgrade one of the reported fixs on this model for your problem is to do a firmware upgrade. I don't think LG will send the file to a consumer but you need to call them anyway it goes if ti's not firmware then it's most likey the digital cba assy. LG 800-253-0000 Good Luck

Posted on Mar 10, 2008

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LG-42LB5D-UC Service Manual and Repair Guide
LG 42LB5D UC Service Manual and Repair Guide Download Manuals Technical

Official factory service, repair and workshop manual. This service and repair manual is used by the Certified LG Technicians. It will help you to troubleshoot and repair your television!

Please note this is the OFFICIAL service manual in PDF format, no scanned in or bootlegged copy. This manual is made in the highest resolution, so when you print the pages you need it is all in great quality.

Apr 14, 2014 | LG 42LB5D 42 in. LCD Television

1 Answer

Hi, Do anyone can tell me where i buy a LCD scree replacement for my LG 42LB5D???


it is a better way if you avail the service from the "LG's Authorised Centre".
Best of Luck !
Pawan Verma.

Nov 10, 2011 | LG 42LB5D 42 in. LCD Television

1 Answer

I have a LG 42LB5D 42" 1080 LCD television that


hi, usually you can correct this issue with only a few system checks, dark streaks can be caused by damaged pixels on the screen, in which case you need to replace the TV.
  • Inspect where the dark streaks are on the television. If the streaks occur at the same place on the top and bottom of the screen, they are due to the formatting of a movie or television show you are watching. This is normal. Also, if the streaks appear on the left and right of the screen, they are due to the show being filmed in full-screen instead of wide-screen. This also is normal.

  • Change the input setting so you are viewing the contents of a different device. If the dark streaks are gone, you know they are due to the device connected to it. However, if the dark streaks remains no matter what input the TV is connected to, the problem lies with the television.

  • Inspect the cable connection. Oftentimes when connecting a computer to an LCD TV, you can have strange dark streaks across the screen. Use a DVI-to-HDMI cable connection when plugging in your computer, then press the "Menu" button on your TV remote, select "Picture" and chose "Square Pixel." See whether the image adjusts and the dark streak goes away.
  • Contact the manufacturer of your LCD television if the dark streak remains. This streak can be caused by a defect in the television; if the TV is still under warranty, you can have it replaced.
  • Feb 02, 2011 | LG 42LB5D 42 in. LCD Television

    2 Answers

    My LG 42LB5D TV can't be turn off unless I unplug


    It sounds like you have faulty logic in your main board. The remote issue could also be related because the main board controls the processing from the IR sensor which is more likely because IR sensors rarely fail.

    Replace the main board to fix the TV.

    Nov 11, 2009 | LG 42LC2D 42 in. LCD HDTV

    1 Answer

    LG 42lb5d has audio but no picture, but this only happens sometimes when I turn it on. Sometimes it is fine. When it does happen i just turn tv off then on again until it fixes it. I had this tv serviced...


    They may have missed out the power supply circuit. There may be loose solders or bad parts. You may have eliminated other parts which may have caused the problem when the service center replaced the parts. Inspect those that you still have remaining for leaking capacitors, loose parts or loose solders.

    Oct 27, 2009 | LG 42LB5D 42 in. LCD Television

    1 Answer

    Invalid format


    Try rechecking all wire connections for proper placement and fit too and from the tv.
    Try adjusting the video format on the DVD, flip through 480p and 1080i. See which format works best with your tv. Do the same with Wii.

    See if this helps.

    Jun 13, 2009 | LG 42LG70 42 in. LCD HDTV

    1 Answer

    Lg 42lb5d base stand


    Here's a link to order the original LG base stand assembly for this model (42LB5D) from a major parts distributor. Please note, you would have to verify the complete model number of the unit as their are 2 versions availible (there should be either a C or F at the end of the model #):

    LG 42LB5DC Replacement Part Base Stand Assmebly

    LG 42LB5DF Replacement Part Base Stand Assmebly

    Mar 23, 2009 | LG 42LB5D 42 in. LCD Television

    1 Answer

    Audio cuts out


    HDMI is not a universal standard. Some units will not talk back and forth correctly and can cause lock ups, loss of audio or loss of picture. Try switching to component inputs and see if it works better. Check your owners manual but I believe the component inputs will also accept 1080P as long as the Panasonic Blu Ray can output 1080P. Don't believe what the Salesman said if he told you that you have to use HDMI or you won't get HD.

    Apr 19, 2008 | LG 42LB5D 42 in. LCD Television

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