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No sound from TV speakers

Mitsubishi wd 73740 TV no sound from internal speakers

Posted by Anonymous on


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  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 556 Answers

SOURCE: Mitsubishi tv model # wd-52527, lamp light flashing,no picture.

I would say so.

Posted on Aug 18, 2009

SD Tech
  • 14553 Answers

SOURCE: how do we turn off the internal speakers to use a

IF it is a Mitsubishi WS-55613 rear projection set---

You with the Mitsubishi remote go into the customer menu and select Audio(it should be a separate item) and look for a setting for speakers--right cursor to it and up or down cursor to change it.

Some models may have this feature in the SETUP part of the menu.

if you have questions or need help let me know--I am here to help people.

If this information helps rate this solution as I do this here for free.


Posted on Nov 05, 2009

SD Tech
  • 14553 Answers

SOURCE: Just bought Mitsubishi WD-73740, I opened it from the box. And there is no picture. This is a brand new TV out of the box.

If brand new it is under warranty--get it fixed or if just purchased take back and either get an exchange or your money back.

Not sure why you are even here on the site but do not be tempted to tamper with a new set that does not work--will void any warranty etc.


Posted on Apr 28, 2012

  • 41839 Answers

SOURCE: Mitsubishi 73" wd-73740 no picture or sound and

Could be power supply failure. The red light only indicates power is getting to the TV.

Posted on Jan 09, 2014

  • 688 Answers

SOURCE: WD 73740 red light no picture

Try replacing the lamp. part# 915B455011
see website:

Posted on Feb 02, 2015

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Mitsubishi TV model wd-73740, no input from any of the HDMI or component sources

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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After replacing bulb on WD-82738 still not working

How to replace the lamp in your Mitsubishi TV - YouTube

? 3:13

Nov 1, 2012 - Uploaded by Mitsubishi3D

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1 Answer

How do I turn on internal speakers?

Hi Robert,
Please go to sound menu, you will find option for internal and external speakers there.

Jun 28, 2015 | Mitsubishi WD-73742 3D DLP Home Cinema TV

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I have Mitsubishi wd 73740 we have a red light that just went to green no picture. help please

Have you still got your manual with the troubleshooting pages? If not I recommend that you look for your manual here:
Free User Manuals and Owners Guides ManualsOnline com
it is good to have the serial number and the make handy

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1 Answer

Mitsubishi 73" wd-73740 no picture or sound and red light on front

Could be power supply failure. The red light only indicates power is getting to the TV.

Jan 09, 2014 | Televison & Video

1 Answer

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what sources do you have connected to the tv?
If you have more than one source, have you tried another source to see if it also has no sound. The TV also has a setting in the audio menu to turn off the internal speakers.

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1 Answer

I have perfect picture but no sound??

Many Mitsubishi TV have an audio mute button on the back of the set. It is near the audio out RCA connector and is used to disconnect the internal speaker when an external speaker is used. Just press the button and the internal speaker will work.

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