Question about Hitachi 57SWX20B 57" Rear Projection Television

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Need resistor value for RK62 on DP2X board for 57SWX20B

Resistor is burnt and cant see colors. Anyone know the resistor value for RK62 on DP2X board near the green convergence connector.

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Complete schematic available at
http://www.eserviceinfo.com/

Posted on Nov 23, 2008

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I purschased the schematics for this unit and found the RK62 is a 2.2Ohm 1W 5% resistor. Replaced RK62 and the two STK-110s with 160's. Performed a manual convergence in dynamic mode and dusted off /clean the 3 projector guns. Works like a champ! Total cost $100. Thanks to this website it saved me from having to purchase a new Samsung 1080p with 120mhz refresh rate. On 2nd thought ...

Posted on Mar 25, 2008

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RK62 is a 2.2ohm 1 watt metal oxide resistor hitachi part number 0700054M any 2.2ohm 1 watt resistor will work although it does have to be metal oxide(flame resistant) for safety purposes.

Posted on Mar 24, 2008

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Posted on Jan 02, 2017

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R47 resistor is blown on Neff S5453X0GB/07 control board. I can't make out the value as it is badly damaged - anyone know the correct value so that I can replace it (TY7 is blown as well!).


HI.We cannot really but identify the correct resistor value unless we can identify or determine the color coding on the resistor.Each color has a corresponding value and tolerance as well.If you can't indentify the color coding then you can refer to its diagram usually printed out on the side of the control board or near thecontrol board.We cannot but cannot give a guess value unless color coding is given.Thank you for choosing FIXYA.

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I need to know the value of the Resistor "R1" in


Let us use a bit of logic to resolve this... I have an Axiom but it would be a lot of screws to take out to get to the part... so let us think about this. The resistor value starts with a "1" and we know it is 5% tolerance (gold). we know the resistor burnt up with likely 5 volts on it... Value could be 1000 ohms, however the voltages present (12 volts max) would NOT have burned up a resistor of 1000 ohms. The USB area is mostly 5 volts and across 100 ohms is only a quarter watt... not enough to really burn up a resistor... First thing is to MEASURE that the resistor s open... in spite of being burned, it MAY still be OK... these resistors now usually either open or remain close to their value. The resistor ALSO may be a fusible resistor intended to act as a fuse... Is the resistor open or not? is it near a resistance with a "1" as the first digit? If it is not open I suspect it is not all of the problem. In that case, look for a burned circuit trace on the board. If it is open, then MEASURE the voltage across the resistor with the power applied. If you find 5 volts, then it MIGHT be a 10 ohm used to limit the USB current to 500ma. Get back to me with your findings... I have unraveled many of these things...

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2 Answers

I replaced my convergence chips and I still have a convergence problem. Its not as bad but I still cant line up the blue convergence cross exactly


Sounds like your over half way there lol..
You now need to check the resistors positioned near the convergence ic's. They are your likely problem and go bad often when the ic's fail.

They are normally about 2watt and the values will vary but normally are like .10 ohms to 1 ohm.
I cant find a schematic to give you the exact values and locations but if these resistors measure off value at all you need to replace them with the exact value of the originals.

Heres a link to resistor color code guides just in case the value numbers are not printed on the resistors
http://www.dannyg.com/examples/res2/resistor.htm

Good Luck!!!

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I need a picture of a 1987 porsche speedometer circuit board, one of the resistors is burnt on the board attached to the speedometer, and i cant deturmine the value of the resistor, by its size its a half...


The color stripes on the resistor should tell you.
If it does not have colored stripes, it is a diode or something, and not a resistor. Find another the same color, and measure it with an ohmmeter. Trial and error works if you start with one having greater resistance.

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I got this one dead. There is a burnt resistor on the main circuit board ( the one with the on/off sw). Would anyone know what value it could be.


Hello,
You can determine the resistors value by reading the color code bands that are marked on it. The following picture is an example of the color codes and there values.

43a78d4.gif

To show you how to read the color codes on a resistor, I am including a link to a video that will explain how to do this easier than I could probably explain it.

I hope this helps you in solving the problem. If you need further assistance please feel free to ask.

If you would not mind, please rate my help. I would greatly appreciate it. Thank You



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Mitsubushi VS-5043 Rear Projection,,, Replaced 3 Converrence IC's. Recovered green color. Red color is bowed. Cannot move red crosshais in convergence set up. Is their a way to reset? Could something else...


There are a few low value 1-watt flameproof resistors in the convergence yoke circuits. They typically range from 1 to 3 ohms. An open resistor will cause the respective color to be non-responsive. Also chack that you have the convergence yokes re-connected to the correct connectors on the board.

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How do I locate resistor values?


Click HERE to download service manual copy for free. Download all 12 files and unzip with winrar to get pdf file.
Hope this will help you to find out required resistors value.

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