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Re: Speaker grill

How do you get behind the speaker grill. The speaker is located in front of a large piece of wood. Do you have an instructional manual for replacing protective screens on this type of model?

Thanks.

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I think I have the manual what was the model again.

Posted on Jan 09, 2009

  • Chuck Jan 11, 2009

    I need the model number so I can locate the manual.

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HOW TO DISCONNECT THE TWO CABLES ON FLYBACK MODULE TO TOTALLY REMOVE BOARD FOR REPAIR (R56WH78) (G294CG078)


The two wires get unplugged from up front behind the speaker grille. The large red wire is connected to the HV splitter up front, ( comes out hard but slides back in easy) the small red wire gets unplugged from the Focus block,

Aug 12, 2011 | RCA R56WH76 Projection Television

1 Answer

REMOVE speaker grill off tv?


The front speaker grill on the WS-55613 will be one of two types

!) if it is a single plastic piece with gray cloth all the way across beneath the screen--it pulls out---held in by plastic pegs--start at right or left side and pull it free.

2) some versions have two smaller grills--one on either side---they pull out and this type has a wood plate (usually black) held in with four or more screws---you remove the two small grills by pulling them out and to get the inspection plate off you remove the screws holding it.

Let me know if you have questions.

If this helped you rate this information as I do this here for free.

SD TECH

Dec 26, 2009 | Mitsubishi WS-55613 55" Rear Projection...

1 Answer

The volume goes up & down by itseal


I have had some real experience with the Mitsubishi sets.....fixed hundreds of them.

There is something easy you can check out to see if your problem is what I suspect it may be.

The front keyboard with all the buttons on these sets has tiny "micro" switches---sometimes one will go bad and instead of having to push it--it closes by itself--seen about 20 of their sets with these bad.

If the set has a large speaker grill on the front it should pull out---held in with pegs---some models have two smaller grills on either side and a wood like black piece in the middle.

Remove the speaker grill and you will find an inspection plate of masonite behind it--usually 4 or 6 screws secure it in place.

The idea here is to get the inspection plate off---You will see one or two sets of wires coming down from the front keyboard---follow them to the right and unplug both (usually two plugs). THE PLUGS WILL BOTH BE DIFFERENT WITH LETTERS ID THEM--SO YOU CANNOT MIX THEM UP.

The set will still turn on using the remote--if you do not have the problem with this done--you have at least one bad micro switch.

If set works fine you have two choices---Use it with the plugs disconnected with the remote.

OR

Someone would have to in most cases remove the entire front screen assembly to get at the micro switches for repair/replace.

This problem is common enough that I carry an assortment of original switches with me when I repair sets in someones home.

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

If this solution helps you, rate it as I do this here for free.


SD TECH

Nov 05, 2009 | Mitsubishi WS-65413 65" Rear Projection...

1 Answer

Ic location


they are located in the front of the TV behind the speaker grille. Remove the screws from behind that secure the speaker grille and the two inside the small door below the control buttons, Then you will see a small access panel remove that and the ICs are on the skinny board up front. Do not remove the rear panel on your model with the cord plugged in or it will destroy the HD circuits

May 29, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Focus not sharp


Yes, you can adjust the focus of the CRTs without causing other issues if you exercise some care in the process. There are two types of focus adjustments in your TV, electrical and optical. The electrical focus is more likely to change over time than the optical focus. That's because the optical focus is mechanical and would likely only need adjusting in the event of a CRT replacement. The electrical focus controls are located behind the front speaker grill and the front access panel. Pioneer TVs will either have pop-on/off connectors where all you need do is grab and pull, or it may have a few philips screws securing the grill. The screws are generally hidden behind the plastic molding strips just above the grill assy. (they are snap on/ pull off) There will be a small, black control assembly located behind the access panel. There will be 3 focus controls and 3 screen controls. The screen controls adjust the intensity of each CRTs brightness.

Good luck!

michtech

Feb 16, 2009 | Pioneer Projection Televisions

1 Answer

Jvc tv 56 convergence problem


on the 48WP30, you get to the convergence board through the front. Around the back edge of the speaker grille are four screws. You remove these screws. Then you remove the two other screws at the top of the speaker grille near the center panel underneath the front av input door.


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THen after you get the speaker grille off, you take the four screws out of the wood panel door and take it off:

d237c04.jpg

Those two big black heat sinks on the front there are your SK chips...on the convergence board of course. pop it up from those four tabs, and that will let you carefully move the convergence board so that you can reach in better, and unhook the three plugs on the right side (looking at it from the heat-sink side) behind the heatsinks (one for red, green, and blue each) and then on the other side of the board, you disconnect the other two plugs, but there's one that you actually have to trace back into the inside of the TV and unplug from a vertical standing board, since the socket is not on the convergence board itself. let me draw up a little graphic real quick.

ef28a70.jpg

Hope that helps.

Oct 23, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Help with lines in screen


At the bottom of the speaker grill there are two holes filled with a plastic plug. Use a small flat head screw driver on the sides of the plug to slide the plugs out. You'll see the little space next to the plug on either side that you can put the flat head in to slide the plug out. Once you do that there are screws behind those plugs. You'll need a phillips head to take those out. Then just pull out gently at the bottom of the speaker grill and it should come toward you then just slide it down a little and it comes right off. Behind that is the particle board screwed on in the center with several screws. Take that off and you can't miss the adjustment blok.

Jul 02, 2008 | Sony KP-51HW40 51" Rear Projection...

2 Answers

How to remove the front speaker grills on a sony kp51hw40


This set has two small plastic caps located on the front panel near the bottom. After you remove the caps you will find two screws behind them.

Jan 26, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Bad Picture


You need to replace the convergence output IC's. I believe they are STK392-110's and there are ususally resistors that are opened due to faulty IC's. The IC's are located on a board behind the large speaker grill on front. There are 6 screws to remove to access the IC's. 4 in the back and 2 small screws behind the litte door on the front.

Feb 04, 2007 | JVC AV-56WP30 56" Rear Projection...

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