Question about Panasonic PT-45LC12 45" Rear Projection HDTV-Ready Television

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PT-45LC12 45 is this the white looking small cylinder looning thing on top with the black wire coming to it?

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Yup.
cut it and jump the wires.

Posted on Jun 17, 2008

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When tv is turned on there is no picture and there is a clicking sound and a electrial smell


Check the Hori output Transistor and the small blue capaciotr that feeds transistor (2k) volts sometimes cap has small burt hole in them causing lost of high voltage.
Another thing if these 2 parts are bad and after you replace them and TV still does not come on then replace Bopth STK ICs they are big black ICs and will have PN# on them example STK392-110. For Parts Cal Mats 1-800-628-1118

May 31, 2011 | Panasonic PT-51SX60 51" Rear Projection...

1 Answer

I think a bulb is out how would you know?


Look into lamp, you'll see a glass cylinder with a bulb at the bottom. White or black buildup inside means bad bulb. Also the spherical bulb can deform by heat - bad bulb as well.
When you replace a Panasonic bulb you must reset the lamp timer.

Jan 17, 2011 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

I have a panasonic pt-60dl54, the sound works but green picture


Hi,Yes your problem sounds like the DMD board.This is how it works: http://electronics.howstuffworks.com/dlp1.htm Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens.You will need to replace the DMD board. Have a blessed one!

Apr 13, 2010 | Panasonic PT-50DL54 50" Rear Projection...

2 Answers

Trying to pull out the board that mounts the STK392-110 convergence parts and resistors but having problems disconnecting the 4 white connection that bridge the two boards together. Also problems with...


I suffered the same challenges. The bridge clips simply snap into place on the board with the convergence parts . To separate the bridge, I simply put a small screwdriver under the clip and gently pryed up close to the base. The spark plug type wire can be removed by wrapping the wire with electrical tape (with the boot moved back ) grasping the wire with needlenose pliers and striking it quickly. They are pretty stubborn,but this worked for me. Hope this helps

Mar 27, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

D52w23 making loud whine


Either replace that part or try resolder,then put Glue on it from Glue gun.

Jan 29, 2009 | RCA D52W23 52" HDTV CRT TV

1 Answer

RCA


The flyback is the big black thing on the deflection board. usally has big red wire coming out the top. THe three small rectangular items are special fusable resistor. or fuses

Sep 02, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Projection defect


Good Day;
It sounds like you may need to re-adjust your G-2 controls, located at front, remove front panels. Look for small block with screen /focus controls on item, first turn color down, reset brightness, contrast controls. Adjust until lines are at min. and picture is a good black and white (grays). Good Luck, big IRISH.

May 21, 2008 | Panasonic PT-52LCX65 44" HDTV

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...

2 Answers

Panasonic PT-45lc problem


I took the rear bottom off of the set,lots of screws to take off.
On top of the bulb housing is a small yellowish thermal fuse.

I took mine completey out,jumped the black wire together,and bingo.set works perfectly.

Aug 31, 2007 | Panasonic PT-45LC12 45" Rear Projection...

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