Question about Hyundai ImageQuest HQP421HR 42 in. HDTV-Ready Plasma Television

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Hyundai 32" LCD displaying "invalid service "on some HD Staions

Have just purchased a Hyundai 32" LCD Model CB-L3236LCD. Locallly I have Channel Prime HD and then Prime1, Prime2 and Prime3 which may or may not have differing programs to Prime HD ( I imagine in the future they will). Problem is on Prime 1,2,3 I either get a flash of the program then it returns to a blank screen with a blue box jumping all over the screen with "Invalid Service" written inside the box. Occassionally I may get a great reception on these stations but the Invalid Service box still appears. I can have a reception on Prime 1 say ( with Invalid Box0 and a blank screen on 2 and 3 with the invalid box. Very random it appears but common thread is the "Invalid Box". I only experience this with the Prime 1,2,3 Stations.
I have a an older masthead amplifier booster system and I am about 5 kilometers line of sight from the Prime translator . I have a Panasonic 52" LCD as my main set which experiences no problems and have tried the Hyundai 32" on the aerial outlet which supplies the Panasonic in event the problem was due to a weaker signal at the Hyundai's normal location BUT I still have the Invalid Service problem with Prime 1,2,3.
I went back to the store of purchase and tried their display set ( running on 'rabbit ears' aerial and less than one kilometre from the translator and the same problem existed on that set with Prie 1,2,3 only
Anyone have any solution to this problem. Any software upgrades available for these models?
Thanks in advance for any replies

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5 Suggested Answers

  • 51 Answers

SOURCE: This TV won't support 1080!

I have this same TV, and cable from Comcast (which uses the same Motorola Box as Time Warner). Are you using component output from you CATV box, or HDMI to DVI. Your TV has two component inputs and one DVI input, but no HDMI input directly. If you use component, you must do two things. 1. The TV is auto-sensing as to the input signal, and will work with 1080i, 720p, 480p or 480i. Make sure you have a good grade component cable. 2. On your CATV box, turn the power off with the remote, then within 3 seconds press 'MENU'. This will give you a screen where you can specify the output from your CATV. I suggest 1080i, but 720p works fine, too. If you are using the DVI input, then you must be using an HDMI to DVI converter cable or adapter. To make this work -- THIS IS VERY IMPORTANT -- you must set the CATV box to HDMI output, not DVI. Use the same process as described above, but make sure your HDMI/DVI cable is connected, and you have selected the DVI input on the TV. Otherwise, you won't get the proper menu on the CATV box. BTW, the prior suggestion is not the problem -- low signal from the cable company would cause the picture to pixelate, but not lose sync. However, both problems COULD be caused by a defective CATV box. If they haven't already replaced the CATV box, tell them to do so immediately or you will call DIRECTV!!

Posted on May 30, 2007

SOURCE: Hyundai HQL260WR 26"LCD TV

Called tech support in Calif and they returned my call within the hour Friday afternoon. Same roblem with on off and they said to take to TV repair and have tech call them if need to troubleshoot.

Posted on Nov 12, 2007

SOURCE: code to enter service mode

hud-21b9b

Posted on Feb 15, 2008

shanat
  • 359 Answers

SOURCE: Truoble programing radio stations.

it sounds like the memory wire isnt connected to the correct position the memory wire on the stereo needs to go to b+ also a faulty battery can cause this even if the battery can still start the car. an auto electrician should be able to test the battery for free to eliminate that as the problem

Posted on Jul 02, 2008

  • 2296 Answers

SOURCE: Hyundai TV repair parts

Click here to find the part you are looking for.

Good Luck.

Posted on Nov 05, 2008

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