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I have it hooked up to the cable dvr with a hdmi

I have it hooked up to the cable dvr with a hdmi cable how do i get it to scan for the channels, it's a lg lh 55 lcd

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  • LG Master
  • 458 Answers

You don't need to scan for channels if it is connected by a HDMI connector, just select HDMI 1 or 2 depending which one you have connected the cable to at the rear of the TV. You should now receive the already set channels from your cable box.

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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HDMI input works ok. Hooked up external antenna. Did channel scan. It will only scan for analog channels. Has analog raster on screen. It has no information on menu page for digital channel scan.


do you have the air option in the scan menu see
http://tv.manualsonline.com/manuals/mfg/sanyo/dp42841.html
page 9 important fact cable digital gets wiped by air digital channels

You may be able to get around this via a digital hd tv decoder box and then have it on a hdmi input on the TV as a backup to the cable if you can't have both cable digital channels stored and aerial digital channels stored

Oct 09, 2016 | Sanyo DP42841 42" LCD TV 1920x1080,...

1 Answer

I have a hdmi rca tv, unhooked the digital cable box for awhile went to hook it back up and can't get any channels scanning picks up nothing what should I have the setting set to? Hdmi set to cable


If you have a cable box the channels are selected via the cable box remote and the TV is set to an HDMI video input. The specific input is identified where the HDMI cable connects from the box.

Use the video input remote to select the HDMI for the cable box.

Scanning is for identifing the over the air stations that use the coax input noted as antenna (ANT IN) on the back of the set.

Hope this helps?
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Mar 13, 2016 | RCA Televison & Video

1 Answer

LED TV takes 7-13 mins to display a picture when hooked up to cable DVR box, when hooked up w/ out DVR Does Not do that???


I would suggest you verify your cabling. Are you using HDMI cables? Connect a HDMI cable from the TV HDMI 1 to the Cable DVR Box, In the TV setup ,select HDMI 1 as source. If your Cable box does not have HDMI contact the provider for a updated box. With out the Make, Model of Box, Cable? Sat? Make, Model of TV. I don't know the connections?

Jan 26, 2013 | Televison & Video

1 Answer

Connected lg tv directly to cable wall jack. Can only get one channel. Manual scan grayed out. Ez scan does not find any channels. Main input is set to cable box. No option for just cable


Why not get a box and hook via rear inputs--not that expensive from most cable companies. If items such as the channel scan are grayed out it means something in the set is set wrong---

Apr 21, 2012 | Televison & Video

1 Answer

The TV model is Sanyo DP32648. DVR Cable Box - Motorola DCT6412 III I have a DVR cable box connected via an HDMI cable to the TV's HDMI 1 slot. I have had the TV for around a year now and haven't had...


If you have the DVR connected to the TV with the Coaxial and the HDMI that is probably causing the problem I work for a Cable company and have dealt with this problem on numerous occasions. Try just disconnecting the Coaxial cable from the cable box that should fix this issue.

Dec 02, 2010 | Televison & Video

1 Answer

I lose my audio often for non-hd channels with dish 622 dvr


The problem could lie in youir HDMI cable, this is a common issue. if you swap HDMI cables and still have the same problem then bypass your A/v rec and connect your 622 direct to your tv and see if the problem persists, it it does, then your DVR needs to be replaced, you can call dish for addition troubleshooting if it is in fact your DVR.

Nov 10, 2009 | DISH Network ViP622 DVR DTV Receiver /...

2 Answers

HDMI cable hooked up, now CLOSED CAPTIONING is stuck on!


It has got to be the box. I would try to contact Scientific Atlanta if any way possible. The TV doesn't choose what inputs it shows CC.In other words, it would show it on all Inputs if it was the TV. Good luck and Thanks

Oct 30, 2009 | Toshiba 32AV502R LCD TV

1 Answer

Red & Green lines rolling from the bottom to the top


You could have a ground loop problem. To test plug DVR and TV into same outlet.

Dec 27, 2008 | Televison & Video

1 Answer

Connecting HD cable box to DVR too HDTV


When I hooked up my HD cable box using an HDMI cable, I had to go into the cable screen menus and select HDMI output. You may have to do something similar when using an S-video cable. Your DVD recorder doesn't seem to have an HDMI input, so you'll have to use the S-video or (worst case) composite video (red, white, yellow cords). Your cable box may also be scrambling the signal so that you can't record. That may be why you can record by bypassing the cable box.

Jun 22, 2008 | Samsung LN-T4061F 40 in. LCD HDTV

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