Question about Mitsubishi WT-46809 46" Rear Projection Television

2 Answers

Mitsubishi WT-46809 Problem getting HD from DirecTV

I bought this model about 4 years ago thinking it was only a few years till I would upgrade and actually use the full capabilities of this set. Yesterday, the DirecTV installer hooked up a Model H20, DirecTV HD Receiver. After much long anticipation I was agast to discover that the set would only work on the 480i and 480p resolution settings. The 720p and 1080i settings only show what resembles a scrabbled screen. I checked the monitors advance video settings and the only options listed are 480p and 960i, even the though the label on front of the set seems to indicate it can operate at 1080 ("HD1080 Series"). Has anyone else been confronted with this dilema and is there away to upgrade the set or am I just out of luck on this?

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2 Answers

I have found some info on this, please read: "For standard (480i) connections, there are three S-Video/ composite-video/ R/L audio sets. You would use these for any of your standard video connections such as a VHS VCR. There are two component-video (Y-Pb-Pr) connections, each with three RCA jacks, which will accept input at 480i and 480p (such as the output from a progressive-scan DVD player, for example). Each of these two component-input sets has a corresponding R/L audio connection. Finally, there's a single component-video connection with five RCA jacks, handling Y, Pb, Pr, H, and V (the last two are for horizontal and vertical sync signals). This last component-video connection will take input at 480i, 480p, and 1080i. You do not have to use all five connections. If you have a 1080i-output device, such as the analog output from an STB digital high-def broadcast tuner, with only Y-Pb-Pr output, you can connect to just the three Y-Pb-Pr connections on this five-jack component-video connection. As with the other component-video inputs, the Y-Pb-Pr-H-V set has a corresponding R/L audio input jack pair. The Y-Pb-Pr-H-V component-video connection will also accept an analog VGA-connector output. To make such a connection, you will need one of the adapters with a VGA jack on one end, connected to a cable whichs splits into five separate cables, each terminating in the appropriate type of RCA plug (Y-Pb-Pr-H-V)." This might be your solution. It worked on my Mitsubishi WT 46809. I have moved the component cables installed by the Direct TV installer to the second row of component-video connection (labeled 1080i) and finaly my DirectTV HD receiver is recognizing the 1080 signal.

Posted on Jul 11, 2007

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I have the same exact problem. Same model, etc. Is there a resolution?

Posted on Nov 13, 2006

  • Anthony Portaro Nov 20, 2006

    DirecTV installed a new 5 LNB satellite dish as a free upgrade. The tech had a test set & tested the cable where it connects to the reciever. Good signal there. He wants me to upgrade to the HR20 reciever, but I am under the impression that that will only give me the local channels in HD. I still see no difference in quality when comparing TNT & TNTHD.

    I'm starting to believe that the TV is not HD compatible, although Mitsubishi markets it as such.

  • Anthony Portaro Nov 20, 2006

    Try the following:

    You do need to activate the HD input on the TV.

    Send the TV into HD mode by pressing menu 1-3-7-0 and cycling with the input button to get the HD mode.

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1 Answer

Wt-46809 has convergance issues


Replacing the Convergence IC's should do the trick. But it is not a easy repair do to the disassembly requierments. I would recommend calling Mitsubishi at 18003322119 to get a local service facility to come out and give you a estimate to repair.

Jun 21, 2009 | Mitsubishi WT-46809 46" Rear Projection...

2 Answers

Not enough hd inputs for mitsubishi wt-46809


The splitter may work or an audio/video switch box like this one
http://www.buy.com/prod/belkin-hdmi-3-to-1-video-switch/q/loc/101/204114788.html

May 03, 2009 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Mitsubishi wt-46809 not turning on


Your convergence amp ICs have most likely failed and that will shut the TV down. You need to replace both convergence ICs they are both STK392-570 you can get replacement ICs with free instalation instructions at the following link.
http://servicemanuals.vstore.ca/

Jul 18, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Mitsubishi WT-46809 Turns on with Power light then turns off


there are 2 fuses -24v and 24 v normally would go out because
covergence ics failled . That would be a shutting down problem cased by missing those voltages.so you would need to replace those 5A (small green fuses) , you would need some kind of soldering and unsolderin skill) and the ics are stk392 570.two also. open the set from the fron ,taking speaker grill off and then the wood board behing (4-6 screws) you the the board in the center big metal heatsink. you would need to work from the back to repace those puppies.hdtvman

Jun 07, 2008 | Mitsubishi WT-46809 46" Rear Projection...

2 Answers

Mitsubishi WT-46809 Intermittent color problem


I have the MITSUBISHI WT-46809 46" HDTV CONVERGENCE IC PROBLEM as well. I just ordered the STK392-570 IC for 7 bucks and I am going to attempt to switch them both out (two of them). I am getting the overstated "bow tie", "RBG separation" issue that you are talking about. I am going to attempt to de-solder the intergrated chips and put new ones in. I figure it is worth the shot, insted of paying 350-650 bucks to have some **** with average skills do the same I figure it is better to have this **** with average skills do it and keep the cash. I will let you know how it goes.... DJ

Feb 24, 2007 | Mitsubishi WT-46809 46" Rear Projection...

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