Question about JVC AV-48WP30 48" Rear Projection Television

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Convergence Resistor Hitachi 50DX10B

Hi

I have a blown RK46 half watt resistor (faded colors) in the convergence pannel. I cannot read the coded colors. If anyone help me to send the value of it or email the schematic will help me alot. Thanks

Sam

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  • Anonymous Feb 09, 2008

    Hi



    Ihad replaced the rk46 resistor and stk 392-150 ics in the convergence panel of Hitachi 50dx10b. Still there is a very little red and green shadow around the picture. The picture is better than before excexpt it shrink from the sides, top and bottom looks like a cinemascope thing. some one can help me to locate the filtration capacitor in vertical and horizontal cct.. I am not sure about c-615 (25v-2200mfd) if it is not the right one can i get the help on this. Thanks in advance.



    Sam

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2 Answers

Hi Terryfic

I had replaced the 2.2 ohms one watt ressistor rk46 in the convergence panel of hitachi DX5010B tv. Little better then before except the red is out of wack. Darkloard1 told me to check the filtration capacitor in the horizontal and vertical cct.
I wanted to make sure C615 (25v-2200mfd) is the filtration capacitor if i am wrong please guide me for the right one. The crt. R/B/G can I dicharge 200v by shorting pins p8x1 and p8x2 after shorting these pins I measured the voltage in all three crt. was 0 volt is that enough to work in that area.

Posted on Feb 05, 2008

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2.2 ohm 1 watt...................................T.

Posted on Jan 30, 2008

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SOURCE: Convergence Resistor Hitachi 50DX10B

rk46 should be a 1.8 1w

Posted on Oct 30, 2008

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Posted on Jan 02, 2017

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1 Answer

Convergence problem


If you wish to get more details, check this site. Pull up older posts there. Check the site with patience, as it has over 2350 posts now. All are related to electronic equipment repair help. If you check the site in Timeslide option, which can be selected from the dropdown list at the top left side of the display window, it will make search easy. Details about convergence adjustments have been described with illustrations.
http://electronicshelponline.blogspot.com/

Apr 22, 2013 | Hitachi 61SWX10B 61" Rear Projection...

1 Answer

I have a Hitachi 43fdx01b and I have just replaced the two convergence chips because of a "Red" convergence issue. I learned the hard way about the desoldering and resoldering, but got it done. Now i...


did you check the resistors by the convergence chips? check to see if they are open. the resistors are usually lined up on the other side of the heatsink as the convergence chips.

RK42 2.2 ohm 1 Watt
RK46 1.5 ohm 1 Watt
RK50 2.2 ohm 1 Watt
RK54 1.5 ohm 1 Watt
RK58 3.3 ohm 1 Watt
RK62 1.8 ohm 1 Watt

the convergence chips to be used are
IK04 STK394-160E Part #: CZ01341
IK05 STK394-160E Part #: CZ01341

Oct 07, 2010 | Televison & Video

2 Answers

I have a 54 inch Hitachi 57G500. The picture is now showing double on the blue spectrum color and auto magic focus is not fixing it.


Most likely this set has bad convergence amp ic's and some open resistors. This can be a very tricky repair. Check:
resistors RK42, RK46,
RK50, RK54, RK58, RK62
Output STKs IK04, IK05.
Hopefully this will help. Thanks for using fixya.

Jan 14, 2010 | Hitachi 57G500 57" TV

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

Hitachi 43uwx10b. How do i test resistors for convergence? i replaced i/c chips with upgraded stk394-160 and all resistors i was told rk42=3.3ohm/ rk46=1.8ohm/ rk50=2.7ohm/ rk54=1.5ohm/ rk58=3.9ohm/ and...


You have all the resistor are correct! Yes I can Tell you exactly what you need to know and How to Save settings after you adjust convergence, I have to pull out my manual on your hand unit Be right back. first you need to go to front of TV remove front bottom panel to where you can see the front of chassis on the board you replaced ICs there is a small blue contact button with TV on press and hold for 5secs Convergence Pattern should appear! You will need your hand unit to begin to adjust convergences.

Dec 17, 2009 | Hitachi 43UWX10B 43" Rear Projection...

2 Answers

RK46 BURNT CANNOT SEE COLORS ONLY 2 STRIPS DARK AND 2 STRIPS LIGHT. WHAT IS THE OHM VALUE AND DO I INSTAL GOLD STRIPS TOWARDS IC OR AWAY. HATACHI 43FWX20B DP24 JOE


rk46 is 1.8 ohm resistor---rk54 is the same value, rk 62 is 2.2, and Rk 42 is 3.3 ohm. It does not matter which direction it is installed---it is a resistor


If you have any questions feel free to let me know.


SD TECH

Oct 08, 2009 | Televison & Video

1 Answer

Chirping noise hitachi


if you have not replaced IC's replace them an you need to do convergence after good luck

Apr 30, 2008 | Televison & Video

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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