Question about Mitsubishi WD-65731 65" HDTV

1 Answer

I have a mitsubishi WD 6573TV. Sound Issue. Last night I came home and have picture but no sound. I completely powered it down and let it set overnight. Came in today had sound but could not control

I tried the input / Format reset as well as the small reset button under the front cover. Still not having any success. Hoping we dont have to buy a new TV.

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  • Mitsubishi Master
  • 687 Answers

Try a "REBOOT"
Reset, Initialization &
Option Menu
Front Panel Reset & Initialization
Many customer generated symptoms, intermittent symptoms
or symptoms that cannot be duplicated can be resolved
by performing resets or initialization from the front
panel. To avoid making nuisance service calls that may
not be covered under the warranty, ask the customer to
perform the following functions before going to their
home.
The most common are:
• System Reset (Re-boot)
• A/V Reset (Resets Customer Audio/Video
Settings)
• Initialization (Resets all customer options,
settings and menu items)
Use the Front Panel Guide as a reference to quickly
perform the desired function. Note: Button location may
differ by model.
The Reset - Initialization Guide details all resets and initialization
functions.
Front Panel Guide
FRONT PANEL
1) SYSTEM RESET1 - Reboots Set
(Same as Cycling AC Power)
Power LED will flash for about
1 minute.
2) A/V RESET2 <FORMAT+GUIDE>
Resets all Customer Audio/Video Settings
FORMAT GUIDE INPUT
ENTER CANCEL
SYSTEM
RESET
MENU
VOLUME
ADJUST
CH
ADJUST
3) INITIAL2 <FORMAT+INPUT>
Resets all Customer Menu and
A/V Settings
LED DIAGNOSTICS3 <INPUT+MENU>
In case of failure, a 2 digit error code will
be indicated by the POWER/TIMER LED.
1 Perform while the set is either On or Off. (See section on LED Diagnostics)
2 Perform while the set is On.
3 Perform while the set is Off.

Posted on May 15, 2014

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techman
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SOURCE: Mitsubishi VS-5041 (TV turns on but no pic or sound)

Your problem is one and or 2 differant problems. The power regulator could have went bad because of the convergence IC have shorted. Seen this a thousand(easy that!)Times. All parts in this set are soldered in and are not user serviceable. look in your owners manual or call 800-332-2119 to get an authorized servicer to come and look at your problem . I wish i could tell you what to replace but theres the Extreme Hi voltage inside these sets even when they are not plugged in .. Good Luck

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ctf1800
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SOURCE: mitsubishi dlp does not get picture

the plug the connects underneath is not connecting right you have to get at the plug and seat it correctly

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Slinteriors
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SOURCE: sound no pic

Convergence ICs are STK392-110 you will need two of them they are available at the link I am posting and they give free instalation instructions with pics and free tech support so you can do the repair yourself.Heres the link.
http://servicemanuals.vstore.ca/

Posted on May 01, 2008

  • 4 Answers

SOURCE: Can not change "Device" input, no sound control,no remote control

I unplugged the manual switch electrical connection. Everything works just fine with the remote.
Not sure what is wrong with the switches just yet, but suspect a resistor problem. I have checked all voltages and have 5.04 v feeding the switch assembly on what I feel are the correct circuits
(5v, ksco, ksc1, man/reset). I have no voltage on the ground circuit with the board plugged in, so the ground circuit should be ok. I have tested all switches with ohmmeter, all switches work. I suspect a resistor problem as I have one with no voltage drop and one resistor with no voltage pass-thru. Would need a wiring schematic with values to pinpoint better.

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MNfisherman
  • 11896 Answers

SOURCE: No picture no sound....Mitsubishi WT-46809

Your Power supply will most likely have to be replaced. Very common, the capacitor's inside these units due tend to get overheated and burn out. You can test power coming from the power supply with a voltmeter

Posted on Sep 30, 2009

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