Question about Samsung HLN617W 61" Rear Projection HDTV
Tv was not working at the time but the remote was able to control the TV after investigation I found out the DMD board was the cause of the problem so I replaced it and the now the TV works however in the process I may have done somthing to cause the TV remote control not to work. I thought I was carreful enough to put back everything the way they were did I miss something, did I break something? I can watch My TV using my satellite remote control. however I have problem using the video mode for my Games. Any solution?
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Posted on Jan 02, 2017
Usaly when this happens the little fuses also fry they are 5 amp and located neer the ic's and at the bottom right of each ic, also they are green and look like a restor could check and see if they are open and then check all the big resistor to see if any of those show open, other than that I will paste my standard fix for this set
Everybody here seems to have basically the same problem so I will write a general fix for these Samsungs. First what you got is known as Convergence failure, A Ic or resistor, fuse or some other component has failed in the convergence circuit. So finding the service menu and trying to align the colors or spinning magnets on the CRT’s or a real bad idea of tipping a CRT or mirror would be the equitant of ripping the transmission out of your car because it had a flat tire. When the convergence fails no adjustment will bring it back, and if you do one of these stupid things then you have two problems. Now most of these Samsungs have an easily replicable board that all the convergence amplifiers are on. This can be found by removing the back and seeing if there is a board about 9 X 5 inches big and mounted to the CRT mounts, there will be 5 connector to this board. Now if your set does not have this board and instead has the two convergence Ic’s (these are about the size of a playing card and have the numbers STK392-040 on them) mount down on a board below and to the right ( this is known as the deflection board) this repair will not work for you. Instead you will need to component level repair the convergence circuit. But if you do have this separate convergence board the repair is fairly straight forward. Go to www.vancebaldwin.com or some other supplier and order BP95-00142E this is the convergence board. This board has been crossed several times through the years but this is the current version. Now once you get this board simply replace it making sure to get al the connector back in there original spot. The fire up the set and run Flash focus and for about 95% this will fix the set
Posted on Feb 13, 2008
You are absolutely correct, When anyone complains of vertical lines or bars, the next step is to see if it happens on only digital inputs ( digital board ) , only analog inputs ( analog board ) , or both ( DMD board ) .
Analog board can be purchased at www.partstore.com ,
Posted on May 24, 2009
I am asumming you are talking about the Deflection Board, which some call the High Voltage Board, Power Supply Board etc... These boards are know to fail, but can be repaired to componet level. Check all fuses on the Power Supply board and make sure none of them are blown. Most older projection televisions use around 115vdc to 130vdc to power the deflection circuit, Considering the shop could of repaired the board at componet level but charge more for the entire board, Two known common failures in the Defletion Circuits are the Horizontal Output transistor or the Flyback tranformer. The flyback is the most likely suspect. It is the largest part on the Power Board ususlly grey or black with three to four red leads coming out of it going to tubes and Focus block and or HV Splitter. The Horizontal Transistor in located very near the Flyback Transformer it is usually by itself on a metal heatsink , its black with 3 leads connection to the board. Number on it might say something like 2SD OR 2SC followed by for numbers You need to determine if you are getting any HV at all by listening closely to the set for a Static sound much like when you run your hand in front of Direct View Crt television,when u turn it on. If it comes on temporaily and then shuts down then you problem lies in the Main PS section,and you are in HV protection shutdown mode. Hopes this helps you..
Posted on Sep 21, 2009
SOURCE: Check Fan No. 2 Error Message
The DMD board you installed is bad. It senses the detection line from the fan and generates the error code. Try installing the old DMD board.
Posted on Mar 15, 2010
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