Question about Mitsubishi WS-65809 65" Rear Projection Television

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What is the down side of having AG-1 turned off?

I have a Mitsusbishi rear projection WS-73909 with a gorgeous 1080i picture.
QUESTION: The AG-1 Function (White Aging, ON/OFF) has a default setting of 1 (ON). However if I use this setting the picture is totally washed out. What is the down side of having AG-1 turned off?
BACKGROUND: I have a media center and noticed the text in the corners of the screen was out of focus. I adjusted the "fine convergence" and solved that issue.......but,
while in service mode, with service manual in hand, I tried to tweak everything as good as it could be. Now default AG-1 setting of ON can't be used.

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  • Donald Perry Jul 22, 2009

    Well, I tried least the only one I can find which is the A/V Reset Default Settings (option key sequence 0-1-7-0 on the remote. This is what I reset. (You can extract and enlarge to view).

    The other settings which I set to default were for the E2PROM which when done do not allow for the AG-1 to be set to ON. The last entry is the AG-1 and when set to ON the screen is totally washed out. These are the default settings I reset exactly:

    Anything else that might effect the AG-1 Setting?? Here is the link to the whole manual if you'd like to see it..... (its a PDF). or navagate to

    (BTW - somehow this got captioned with the wrong TV. I have a WS-73909)



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HI. this White Aging feature is a primitive anti burn-in feature that Mitsubishi introduced during the launch of this unit some years ago.The main purpose of this function is to prevent unsightly burn-in's during long term viewing of a single object or , gaming pleasure. I must advise against not using this feature, due to the ramifications that may follow. this feature can be disabled during movie viewing if the actual feature is HD or, digitally mastered but, only for a short time. it is best to keep it activated to prevent the burn-in affect. Most common burn-in in most units of this nature are the menu boxes. this AG-1 feature will allow you to bring up your menu boxes for a very long period without burning the box image onto the screen.

Concerning the elusive nature of the AG1 settings after the convergence adjustments, this can be restored by initiating a master reset. you will find the procedure in your manual. this will bring back the original settings for the feature.

Posted on Jul 22, 2009

  • Michael Masters
    Michael Masters Jul 22, 2009

    OK, the AG-1 is actually suppose to improve the visual effect. if its washing it out, this will lead to the DM module. it is failing. i Will take a look at the PDF but, you have initiated the proper reset sequence. this is just a simple circuit malfunction here.



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Ws 73909 has bad dm module. Where can I get it repaired or replaced?

If this is for the green blinking light issue, you can easily fix yourself if you have a soldering iron. It is just a few capacitors. But if you can't, then just about any mom n pop service compony will fix it for you, but will charge a lot of money to do it.

Mar 19, 2013 | Mitsubishi WS-73909 73" Rear Projection...

1 Answer

I have a Mitsubishi rear projection TV (WS-73909) that didn't turn on and had a green blinking light. I replaced the 7 DM capacitors and now it turns on. Both the remote and front control panel ca

Let me know as I can look for this---the set has a keyboard lockout that is cleared by holding the menu or another front button for more than 5-10 seconds with set on---I can find the service manual and check if needed.

Nov 04, 2012 | Mitsubishi WS-73909 73" Rear Projection...

1 Answer


Convergence chip! It should be a STK-393-110 CHIP.

Is it located on the middle board or the side board?

Jun 11, 2012 | Mitsubishi WS-73909 73" Rear Projection...

1 Answer

How do i get 1080i, my tv shows im only in 480i. i think i might have it hooked up incorrect. my other tv of another brand is much newer so all i did was connect the hdmi cable from the tv to the cable box...


Your TV will display all High Definition signals as 1080i True HDTV™ and all standard definition signals will be displayed as 480p.

Component Inputs 1-2
These inputs can be used for the connection of A/V equipment with component video outputs, such as a DVD player or external HDTV receiver. Please see Appendix B for signal compatibility.
Input DTV (480i/480p/1080i)
This input is used to connect an external DTV receiver, and can be configured for YPrPb and RGB plus H&V signal types.

As a special feature, you have the ability to adjust the red and blue light beams in reference to the fixed green light beam. This process is called convergence. There are two separate memories for convergence. One, for SD 480i/480p signals; the other for HD 1080i signals. SD convergence should be adjusted while watching an SD source and HD convergence should be adjusted while watching an HD source.

Wide Expand: Enlarges the picture, cropping some of the image on both sides. This Expand format is useful to remove or reduce black side bars on HD broadcasts of 4:3 images with black bars. Available for analog 1080i, digital SD 16:9 and digital HD signals.

This input is compatible with most standard DTV and satellite receivers with component video (YPbPr) outputs. Compatible DTV signals are SDTV 480i/480p, and HDTV 1080i. All other DTV signals, such as 720p, need to be converted by the DTV receiver to one of the compatible signal types. Please check the DTV receiver specifications before connecting.
This input is compatible with some DTV receivers using RGB with "separate H and V sync". Compatible DTV signals are SDTV 480i, 480p, and HDTV 1080i. All other DTV signals, such as 720p, need to be converted by the DTV receiver to one of the compatible signal types. Industry standards for DTV RGB signals (systems, synchronization, timing, and signal strengths) are not currently established. These inputs will not be compatible with all DTV receivers that offer RGB, HV outputs. RGB, HV signals with less than 5 cables are not compatible.
If your DTV receiver offers both DTV component video signals and DTV RGB, HV signals, we suggest you use the DTV component video signals. Check the DTV receiver specifications before connecting.

Feb 05, 2011 | Mitsubishi WS-73909 73" Rear Projection...

1 Answer

Does the Mitsubishi ws-73909 support hdcp and if not how do I get HD from my xbox360? I am currently running a hdmi cable into my hd fury3 into the dtv input and I do not have a picture.

I don't think it does since it doesn't have an HDMI input of it's own. You may be better off connecting your Xbox to the TV by component video (Red, blue, green RCA connectors with audio L/R on a separate cable).

I wish that I could be of more help.

Cindy Wells

Aug 21, 2010 | Mitsubishi WS-73909 73" Rear Projection...

1 Answer

Mitsubishi WS-65315 plug in HD comp shows as 480i


In the input assignment menu make sure that the DTV (the only 1080 input on this tv) is set to Y/Pb/Pr and see if that fixes your issue with at least the HD-DVR.

BTW- the HDMI information "1080i HD can only be selected if TV has HDMI inputs". is not correct.

Feb 25, 2009 | Mitsubishi WS-65315 65" Rear Projection...

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3-D Appearance Mitsubishi WS-73909

12 = normal op
you will need to replace the convergence ICs
this link will show you a simillar repair on a pioneer.. I can assist with any specifics.. same idea, different part #s and disassembly

Dec 27, 2008 | Mitsubishi WS-73909 73" Rear Projection...

1 Answer

Setting 1080i

Component inputs 1 and 2 will only pass up to 480p. to get 1080i you must use the DTV component input.

Dec 07, 2008 | Mitsubishi WS-55909 55" Rear Projection...

1 Answer

My xbox360 Wont work on my WS-55513 MITSUBISHI COMPONENT

Try changing the settings on the Xbox under display to 1080i. If it is 1080 p, or 720p, the image will look funny so make sure it is at 1080i.

Your welcome

Your friend from down the lane!

May 21, 2008 | Mitsubishi WS-55513 55" Rear Projection...

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