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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  • Hitachi Master
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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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1 Answer

Burnt up resistor on board


If blue and disc shaped it is a cap---markings on the other one may offer a clue to the value and voltage rating.

Most DVD drives are not fixable in the conventional sense.

Apr 19, 2012 | Projection Televisions

Tip

Hitiachi Convergence Circuit Resistor Values


This site has been very helpful in diagnosing and repairing my Hitachi 57XWX20B. I recently changed the IC's and a resistor to fixe a convergence problem and had to use the small button on the convergence circuit to get set to return from static mode and enter dynamic mode. I searched everywhere trying to locate the correct resistor values and noticed many other's needing the same information. Here are the results of my research. I obtained some from manuals and others from comparison of the different models. My main focus was finding the values for the 57XWX20B. The resistor values are given in ohms at 1 watt. This means RK42 is a 3.3 OHM 1 watt resistor. RK58 was the problem in my set. It was giving a value of 2.3 and needed to be 4.7. I first replaced the IC's and thought the resistors were all good, but I later noticed my convergence was off. I could manually align it but the magic focus initiation would not save. It gave an overflow error. I bought the sanyo brand of IC's, not the cheap inports and found that if you use a desoldering wick then the repair is easy. The new IC's restored the beautiful color the set had when new. Now it is brilliant as well as converged. My repair cost was:
STK-110 13.00 Bought from local electronic supplier
STK-150 15.00
RK58 3.00 Bought from a local TV repair shop

The elecronic supply store gave me 6 inches of desouldering wick
Total cost: 31.00 Dollars

51UWX20B DP23
57UWX20B DP23
51GWX20B DP23G
57GWX20B DP23G
43FWX20B DP24
51XWX20B DP23
57XWX20B DP23
51SWX20B DP27
57SWX20B DP27
65SWX20B DP27
57TWX20B DP27D
65TWX20B DP27D

DP 23 DP 24 DP 27 RK42 3.3 3.3 3.9 RK46 2.2 1.8 1.8 RK50 2.7 3.3 2.7 RK54 1.8 1.8 1.8 RK58 4.7 4.7 4.7 RK62 2.7 2.2 2.2

on Apr 02, 2008 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

I have Hitachi 57F500A, the resistor RK62 is out the replacement with the kit are different what I need to know it the right answerer for the RK62 what is the ohm 2.2 or 1.8 I see two different people have...


RK62 is a 2.7 ohm 1 watt resistor for stock IC replacement. If you use the STK394-160 ICs then the resistor ratings will be different. Your Chassis is the DP23

Feb 14, 2011 | Hitachi 57F500 57" Rear Projection...

1 Answer

I have a hitachi 43FDX15B RPTV It appears to have a convergence problem, I've read about replacing the stk IC's but which resistors need to be replaced and what are the values on the DP15k/08 Board?


This model uses two of the STK-392-120 CHIPS and here are most of the usual resistors to suspect or check:

Hitachi AT03411S RK43 RESISTOR Hitachi AT03608S RP22 RESISTOR Hitachi AT03195S RK46,RK54, RK62 RESISTOR, 1.8OHM 1W Hitachi AT03857M R815,R865 RESISTOR, 1/2W 100 OHM Hitachi AT03191S RK50 RESISTOR, 1W 1.2 OHM Hitachi AT03197S RK50 RESISTOR, 1W 2.2 OHM Hitachi AT03199S RK41 RESISTOR, 2.7 OHM 1W Hitachi AT03202S RK42 RESISTOR, 3.3OHM 1W Hitachi AT03204S RK58 RESISTOR, 3.9 OHM 1 WATTThe RK ones are all marked on top and bottom of circuit board---usually if one is bad you will be able to see it is discolored---all are very low value and should read open or good only.

This is a fairly easy set to do this on---the whole convergence board (right side from the back view) is held in with 3 screws and an assortment of plugs--3 plugs are identical (convergence yokes and you need to mark so you get each back in same place)

A row of black snap plugs on the left side and with the screws and other plugs removed the board will lift up and out of the set.

DON'T waste your money on one of the "kits" being sold on the net---you can buy a pair of the chips for about 12 dollars on Ebay and usually only one (if any) of the resistors will be bad---those kits sound like a good idea but at 50-80 you are buying things you will not likely need to repair the set.

Let me know if you have any questions and if this information helped you rate this solution as I do this here for free.

SD TECH


45c74e4.jpg

Dec 17, 2009 | Hitachi 43FDX15B 43" Rear Projection...

1 Answer

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.

Oct 28, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Color convergence still busted


2.2 ohms/1 watt if you have chassis number AP74.
3.3 ohms/1 watt if yo uhave chassis number AP73.

Nov 08, 2008 | Hitachi 60UX54B/55K 60" Rear Projection...

2 Answers

65xwx20b


Is this a Hitachi set? If so then check the model number and be sure it's right.

Dec 05, 2007 | Projection Televisions

2 Answers

Resistor ohm values??????


RK42 = 2.2 , RK46 = 1.5 , RK58 = 3.3 , RK52 = 1.8 , RK 50 = 2.2 , RK54 = 1.5

Aug 28, 2007 | Hitachi 53UDX10B 53" Rear Projection...

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