Question about Panasonic PT-47WX53 47" Rear Projection HDTV

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Removing connectors when replacing STK392-110

Do you have to unplug connectors from white holders
or remove holders with the connectors inside from board
my first time......don't want to break anything

thanks

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Sorry for the delay. You should only have to unplug connectors from their holders. Most of them are labeled with the same as the label on the board by the connector. 95% of the time the connectors only plug into one connector and you can't mess it up. If you call a repair man, it should only rewuire labor rates. Let me know

Posted on Jan 12, 2009

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House was hit by lightning now there is no picture. The repair man said it is probly a fuse just needs to be replaced. Can I get to it pretty easy myself?


Unplug the set and remove back cover; follow power cord inside---the fuse should be in a holder and if blown will be blackened inside.

Amperage of fuse will be marked on it and on board next to it; DO NOT BUY REPLACEMENT at Radio Shack, get one from a regular parts dealer, the Generic ones RS sells may blow for no reason.

let me know if you have questions.

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Dec 30, 2010 | Hitachi 57S715 57" Rear Projection HDTV

1 Answer

Net command is stuck on the screen. The highlight jumps from one device to the next non-stop. I've unplugged and reset but nothing will get the net command off the screen neither with the controls on the...


YOU HAVE DEFECTIVE FRONT TACTILE BUTTONS. IF YOU PULL THE FRONT SPEAKER GRILL OFF YOU CAN UNPLUG CONNECTOR LABELED ZF AND IT WILL REMOVE THE BUTTONS FROM THE CIRCUIT. THEN YOU WILL BE ABLE TO USE REMOTE AND TV SHOULD FUNCTION PROPERLY. IF THE CONNECTOR ZF ISNT VISIBLE IT WILL BE BEHIND THE SMALL PANEL IN BETWEEN THE SPEAKERS. IT WILL BE A WHITE CONNECTOR WITH ABOUT 6 WIRES OR SO.

Dec 16, 2010 | Mitsubishi WS-55511 55" Rear Projection...

2 Answers

How do I change the optical block in a sony tv


Disconnecting wiring from power supply block

This step may be optional, if power supply block must be transferred to purchased replacement optical block. Undo the blue plastic-coated wire holders to release the two wire bundles. Disconnect the connectors shown with the dotted lines in the photo below. One, which presumably provides power, is disconnected directly from the power supply block, and the other is a regular wire connector.a837b7e.jpg
moz-screenshot-2.pngDisconnecting the optical block fan wires

Disconnect the optical block fan wire connector:
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Disconnecting the wiring from the optical block circuit board (C Board)

Carefully pull up on the three wire connectors directly connected to the top of the C Board:
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Final wire disconnection from C Board

Remove the screw and gently pull the blue ribbon ribbon cable out of the side of the C Board:
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Your optical block should now be entirely free of the TV and ready to ship. I recommend adding specific protection for the projection lens, then sealing the whole unit in a bag to prevent infiltration of dust or packing materials, then carefully packaging it with substantial padding.

Removing the projection lamp (in cases where you are installing a purchased replacement optical block)

Loosen the hex screw next to the projection lamp housing, and pull the lamp and housing outward from the metal clips.

Picture of replacement optical block for KF-60WE610 (courtesy John Setar)

Here is a picture of a replacement optical block for the KF-60WE610. Note that some parts of the old optical block need to be removed and installed on the replacement block.

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Jan 25, 2010 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

I need to clean mirror


Most rear projection sets the screen will pop off the front. Usually a couple of hidden catches. Get another person for this.
Once off you can clean the mirror but not the inside of the screen.
Unplug tv first

Mar 13, 2009 | Toshiba 43A10 43" Rear Projection...

1 Answer

Tip of LANC connector on Sony tripod broken off!


Two options:

1. Replace the cable with the same connector.
2. Replace the 2.5 mm connector.

I took the LANC cable from an old Sony remote, open up the tripod remote control handle and replace the whole cable. Some soldering required to remove the wires from the PC board and solder the new wire.

The PC board has marking White/Black/Red, the replacement connector with the Tip to the White, the Ring to the Red, and the Shell to the Black.

Good luck!
Nathan

Jan 12, 2009 | Projection Televisions

1 Answer

Tv mitsubishi ws55311


Remove front lower speaker grill,then remove access panel =
unplug white connector ( goes to front controls )......Does the set
work now with remote ?...= bad tactil switch on front panel......T.

Apr 23, 2008 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

Red Lamp Light


The problem lies in the heat sensor that sits just inside the lamp housing area inside your set. Apparently the technician fix is to clip the faulty connector Mitsubishi used when assembling the set and replace it with a soldered connection instead. My fix is simpler and does not require solder. My TV is a 57831 model so it may differ from others but not much if so. Here is what I did.

1.) Remove the two screws holding the lamp door to the set in the back lower right corner of your set.
2.) Follow the set instruction for removing the lamp assembly. it should be unplugged for an hour prior to doing this.
3.) Once assembly is removed, grab your flashlight (if necessary) and look inside the housing. You should see a white rectangular shaped piece attached to the outer frame edge of the opening. Looking straight on, it is located in the upper left corner of the square opening and is held in place by one small phillips head screw. This screw is inserted and installed from the opposite direction and will require the short screwdriver to remove. Carefully remove it and don't drop inside the set!
4.) To make room to move around and do what you'll need to do, you will also need to partially remove the back cover of the set. Mine was limited to just the lower half and was held in place by nearly 20 screws. You don't need to remove all of them but do need to be able to open up the rear enough to access the connecter that sits on top of the upper left edge of the lamp housing. If you follow the two yellow wires from the white sensor, they track back to a small black connector with two black wires on the other side of it.
5.) At this point, you have removed the screw to the sensor. Now you will need to pull the connector wires free from the routing clip on top to free up space for the wire to move freely. Once these two black wires are pulled from the clip, pull the white sensor down from it's position to free it from it's housing and allow the yellow wires to be pulled from the left side of the housing out. If done right, the sensor is free now and can be pulled carefully by the connector at top and out the back of the set.
6.) Squeeze the clip connection where necessary and pull the clip assembly apart. The sensor is now free of the TV entirely and you can work with it separately.
7.) Grab a nail file and work the connector pins a little to roughen the contact points a bit. This is similar to cleaning the contact posts on your car battery.
8.) Push the male end of the clip firmly into the female end until it clicks and then push a little harder to be sure good contact is made.
9.) Do the reverse as done above to put it all back together again and power up!
10.) The message should now be gone.

Nov 10, 2007 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

525725 go's off 30 min. intervals.


Check the air filters and if they are clean and there is plenty of room around the TV for venting, Try:

The problem lies in the heat sensor that sits just inside the lamp housing area inside your set. Apparently the technician fix is to clip the faulty connector Mitsubishi used when assembling the set and replace it with a soldered connection instead. My fix is simpler and does not require solder. My TV is a 57831 model so it may differ from others but not much if so. Here is what I did.

1.) Remove the two screws holding the lamp door to the set in the back lower right corner of your set.
2.) Follow the set instruction for removing the lamp assembly. it should be unplugged for an hour prior to doing this.
3.) Once assembly is removed, grab your flashlight (if necessary) and look inside the housing. You should see a white rectangular shaped piece attached to the outer frame edge of the opening. Looking straight on, it is located in the upper left corner of the square opening and is held in place by one small phillips head screw. This screw is inserted and installed from the opposite direction and will require the short screwdriver to remove. Carefully remove it and don't drop inside the set!
4.) To make room to move around and do what you'll need to do, you will also need to partially remove the back cover of the set. Mine was limited to just the lower half and was held in place by nearly 20 screws. You don't need to remove all of them but do need to be able to open up the rear enough to access the connecter that sits on top of the upper left edge of the lamp housing. If you follow the two yellow wires from the white sensor, they track back to a small black connector with two black wires on the other side of it.
5.) At this point, you have removed the screw to the sensor. Now you will need to pull the connector wires free from the routing clip on top to free up space for the wire to move freely. Once these two black wires are pulled from the clip, pull the white sensor down from it's position to free it from it's housing and allow the yellow wires to be pulled from the left side of the housing out. If done right, the sensor is free now and can be pulled carefully by the connector at top and out the back of the set.
6.) Squeeze the clip connection where necessary and pull the clip assembly apart. The sensor is now free of the TV entirely and you can work with it separately.
7.) Grab a nail file and work the connector pins a little to roughen the contact points a bit. This is similar to cleaning the contact posts on your car battery.
8.) Push the male end of the clip firmly into the female end until it clicks and then push a little harder to be sure good contact is made.
9.) Do the reverse as done above to put it all back together again and power up!
10.) The message should now be gone.

Nov 09, 2007 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Convergence


Remove the front grill. There are 2 screws on each corner accesable from the rear and 2 screws inside the front door. Push down on the grill and it will unsnap. Remove the pressboard coverplate . You should see the convergence board, it is about 12" long with a big aluminum heat sink. The board can be removed by pressing on the tabs that hold it down. Be sure to mark and unplug the molex connectors from the board. One of the connectors has to be unplugged from the chassis because it is fixed to the board. Once removed you can easily get to the IC`s mounted to the heat sink. Check for any burned resistors near the IC`s.( 2.2 ohm likes to burn) The convergence can be done through the customer menu using the remote. There is no special formatting necessary. Use the number pad to navagate and the select key to change red & blue.

Nov 06, 2007 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Lamp switches off


The problem could lie in the heat sensor that sits just inside the lamp housing area inside your set. Apparently the technician fix is to clip the faulty connector Mitsubishi used when assembling the set and replace it with a soldered connection instead. My fix is simpler and does not require solder. My TV is a 57831 model so it may differ from others but not much if so. Here is what I did.

1.) Remove the two screws holding the lamp door to the set in the back lower right corner of your set.
2.) Follow the set instruction for removing the lamp assembly. it should be unplugged for an hour prior to doing this.
3.) Once assembly is removed, grab your flashlight (if necessary) and look inside the housing. You should see a white rectangular shaped piece attached to the outer frame edge of the opening. Looking straight on, it is located in the upper left corner of the square opening and is held in place by one small phillips head screw. This screw is inserted and installed from the opposite direction and will require the short screwdriver to remove. Carefully remove it and don't drop inside the set!
4.) To make room to move around and do what you'll need to do, you will also need to partially remove the back cover of the set. Mine was limited to just the lower half and was held in place by nearly 20 screws. You don't need to remove all of them but do need to be able to open up the rear enough to access the connecter that sits on top of the upper left edge of the lamp housing. If you follow the two yellow wires from the white sensor, they track back to a small black connector with two black wires on the other side of it.
5.) At this point, you have removed the screw to the sensor. Now you will need to pull the connector wires free from the routing clip on top to free up space for the wire to move freely. Once these two black wires are pulled from the clip, pull the white sensor down from it's position to free it from it's housing and allow the yellow wires to be pulled from the left side of the housing out. If done right, the sensor is free now and can be pulled carefully by the connector at top and out the back of the set.
6.) Squeeze the clip connection where necessary and pull the clip assembly apart. The sensor is now free of the TV entirely and you can work with it separately.
7.) Grab a nail file and work the connector pins a little to roughen the contact points a bit. This is similar to cleaning the contact posts on your car battery.
8.) Push the male end of the clip firmly into the female end until it clicks and then push a little harder to be sure good contact is made.
9.) Do the reverse as done above to put it all back together again and power up!
10.) The message should now be gone.

Oct 01, 2007 | Mitsubishi WD-52725 52". Rear Projection...

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