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Re: samsung 61 after 20 mins turns off not a cooling...
It could be a issue with the ballast try to check if you have a
buzzing sound. if it does is most likely a
issue with the ballast (only if sound cames near the lamp) you can check that
just follow the cables that are connected to the lamp, take out the back cover
of tv, and keep pushing the switch cover (if not tv will not turn ON). and
check if that sound comes from the only board connected to lamp. if it does,
you are going to need a ballast.
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hello Harley, Lamp # 1 is lamp fan, Lamp # 2 is DMD board fan. Lamp # 1 is located behind the lamp. Pull assy angine out you will fine fan # 2 , clean it or replace it if not rotate properly. Fans displayed on screen because fans are dirty or air flow not smoothly. Good luck.
You can not install anything that is not specified by manufacturer. All you can do - make sure your TV have enough "breathing" room on it's back , top and sides. All Plasma Panels produce a lot of heat - it's "normal" operation. If you still unhappy with it you can put regular household fan on the back of the TV. I doubt that it would make any difference though.
When you replaced the color wheel it sounds like you took the DMD board out or you bumped it? Either way the DMD board will need to be realigned and that involves reaching into the TV while it is in normal operation. The DMD board in the one sitting right behind the digital bard and has a small fan facing the heat sink on it. There are three screws 2 on the left side on one on the lower right that need to be loosened just a bit and then with the set on you will have to move the board back and forth to achieve dead center. Remember from the back moving the board to the left moves the picture to the right and pushing down on that board will shift the picture upwards.
You need to replace the electrical control board. It's an easy fix. About $75 for the part. No electrical work necessary. Just unclipping and re-clipping wires into their ports. You do not need a repairman to do this! (I'm a 33 yr. old female, so please forgive my lack of technical terms in the post) I ordered one from AppliancePartsPros.com. It came in two days.
1. Pull out and UNPLUG the fridge.
2. Take out the screws that hold the bottom back panel on
(The electrical contol panel is located inside a white box attached to the lower left corner. )
3. Remove the screws that hold the box in place
5. Remove the bunch of wires out of the clip on the side of the box and pull the box out. Open it by releasing the clips on either side.
6. Disconnect the three sections of wires that plug into the board
7. Remove old board out of the housing
8. Insert new board,
9. Reverse above steps to complete installation.
Note: What triggers the buzzing sound is the door being opened. If you want to stop the sound and prevent the electrical current from going to the fried board until your new one comes, put a piece of tape tightly over the switch that pops out when the door is opened (located inside the unit near the door hinge).
Here's something that might also be useful. After you turn on the set, and get the regular red blinky lights, hold down the Device and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.
For example, 3 flashes, then 7 flashes = 37.
Here are the error codes, and the corresponding problem:
12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
37 = Exhaust or Lamp Ballast Fan stopped
38 = Lamp Temperature High
39 = DMD Temperature High
41 = Short is detected
44 = DVI cable between FMT and Engine disconnected
there are several things that need to take place for the lamp to turn on. first the color wheel needs to turn on ( if you can hear a whinning noise then this is fine) next the tv will send a signal to the lamp ballast to turn on, and the ballast needs the 130v dc supply from the power board ( simoly remove the lamp and reinstall the lamp door, turn tv on, and if you hear an arcing noise from the ballast you know this is fine too. the board that controls all of this is the dmd board. so if the color wheel works, ballast starts then i would replace the dmd board....