Question about Hitachi 61SWX10B 61" Rear Projection Television

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Purchased new STK convergence IC's

Hi mabee you help me. I had purchased new STK convergence IC's
stk 932-110 . I removed the old ones and noticed on the (old ones) I see 1720 & B2120 on the upper right top of these. and on the back is some numbers 392110B1G9 (1720) & 392110B218 (B2120). Are these the same ? I ask this because after I removed the old ones and replaced the new ones, I re-installed the all the wires and the board, turned it on and I noticed a small bit of smoke comming from the board I had just installed the new STK convergence IC's STK392-110. I had immediately turned it off and removed the board but didn't see anything wrong (burned areas), But I did re-check the sodering and noticed some of the solder was touching a coulpe of the little legs comming from the new convergence IC's. I removed (cleaned up) these areas (solder) and put everything back again. I turned the T.V. back on (no smoke) this time but the T.V. shuts right off. I noticed the first time I turned the T.V. on I seen some lights (red) & 1 (green) flashing on the other board next to the one I had just installed. Can you please tell me if this is becase of the 2 different # of the old convergence IC's or if I may have done something wrong that I'm not aware of. I appreciate any and all help with this matter. Thank you in advance, Kevin

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5 Suggested Answers

BMW Rider
  • 232 Answers

SOURCE: hitachi 65xwx20b convergence

Your message says you "replaced stk392-150", did you replace both of the stk`s or just one of them??? One is for RGB vertical the other is for RGB horizontal, you should always replace both stk`s as a set, Hitachi recommends you use a "replacement kit"
part number X480306", this kit includes both stk`s with a new & supposedly improved set of stk`s as well as all resistors that are required for proper set-up, they strongly recommend you change all of the parts in their kit. The only other thing besides IC`s & resistors that could cause your problem is:
1) bad dcu output (you need a scope to check this)
2) you`ve lost either the +15 volt line or the -15 volt line to the IC`s, "Fxxx" chemical fuse open in power supply.

Posted on Dec 01, 2007

  • 1694 Answers

SOURCE: hitachi 53udx10b convergence man is sad today

To my knowledge Stk392-180's are not a good sub for -110's...
Hitachi STK392-110 subbed to -150 and currently subs to
STK394-160E = HITACHI PART # CZ 01341 = an upgrade = the
best IC for your repair.....Please read some of my solutions for
more details.....Here is the basic idea...when I repair a convergence circuit,my first thought is = are my replacement parts OEM quality or better ? A cheap generic second will just BURN RESISTORS so why would I use them? New,proper IC's
should never burn resistors ! The wattage of resistors is a minor
issue concerning damage from failure of original IC's...the right
choice of IC replacement is of MAJOR importance ! .........T.

Posted on Jan 12, 2008

ladywinn
  • 5138 Answers

SOURCE: Samsung HLM507W 50 in. STK IC's

STK-392-180s these are the best.Replace BOTH

Posted on Feb 07, 2009

  • 1 Answer

SOURCE: STK IC 392-110 Chips

am having stk 4392 amp board 2 channel, i want to change this two channel in to one channel. what modofication should i do

Posted on Mar 11, 2009

Slinteriors
  • 8617 Answers

SOURCE: hitachi 51f500a,convergence out,won'adjust

RK42 is a 3.3 ohm 1watt metal film resistor

Posted on Apr 03, 2009

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1 Answer

Mirror image??


Hi:
Your problem is the convergence circuit, you need to replace the convergence Ic's there are two large black IC's mounted on a large metal heatsink. The part numbers are STK-392-110 replace them with the same part number or use STK-392-120 for better and long lasting.

Sep 09, 2011 | Panasonic Televison & Video

1 Answer

I have sony tv kp-65wv600. It has problems. color and video is blurry, double vision, letters are curved


You have a convergence failure.

Convergence IC failure is very common. The solution is to replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu. It is about a $300 repair at a tv service center. You will need the service manual if you decide to do this yourself.

Try This:
When you notice the symptons Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option probably under setup or video setting. Converge is short for convergence to align the red and blue colors to the green color.

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless

Feb 24, 2011 | Televison & Video

1 Answer

On my HD1080 Mitsubishi projection flat screen 55809 the picture is bowed on top and bottem and it look as if the projectors themselves are offset, but the picture is clearer as you come toward the center....


It could be one of two things: Either a bad solder joint or convergence IC failure.

Convergence IC failure is very common. The solution is to replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu. It is about a $300 repair at a tv service center. You will need the service manual if you decide to do this yourself.

Try This:
When you notice the symptons Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option probably under setup or video setting. Converge is short for convergence to align the red and blue colors to the green color.

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless

Feb 20, 2011 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

The picture is bowed and you can see double and the color is wrong


convergence ic stk----- you can repair this yourself if you can solder you can obtain ic.s from matt electronics or any electronic suppliers locate the convergence ic.s on chasis there will be 2 the number will start with stk- most likely stk-392-110 hope this helps

Oct 10, 2010 | Hitachi 43F300 43" Rear Projection...

1 Answer

I have alot of offset blue and yellow in my picture. I tried convergence from the front but it didn't help...what can I do to fix w/o alot of cost in these tough times..?


Hi,
This problem is related to the convergence, but it requires replacement of IC STK from one of them who control convergence, check both and replace faulty IC STK from new one and your tv work fine again. You can buy the convergence IC's from the link click here.
Thanks for using fixya.

Nov 01, 2009 | Televison & Video

1 Answer

Convergence Problem


Hi, the "trick" to this is you don`t need the samsung part number because the stk 392-040 is actually made by Sanyo, call this number and you`ll get exactly what you need 1-800-575-9833 there in Orlando, Fl. and only sell original Sanyo stk``s which is what came in your tv, make sure you check for burnt resistors around those stk`s before installing and powering up your set with the new stk`s, video-tek

Feb 08, 2009 | Samsung Televison & Video

3 Answers

STK IC 392-110 Chips


am having stk 4392 amp board 2 channel, i want to change this two channel in to one channel. what modofication should i do

Dec 02, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Convergance- Red X will not move to make crosshairs white. Picture is doubled with red and blue. TV is a 55 in Mitsubishi VS55601.


Hi,
This problem is related to the Convergence controller IC called STK.It must get malfuntioning replace the STK IC with the same numer IC. But one thing is importent that there must be two IC STK's and you have to change both of them.
Thanks

Oct 11, 2008 | Televison & Video

1 Answer

Hitachi 65xwx20b convergence


Your message says you "replaced stk392-150", did you replace both of the stk`s or just one of them??? One is for RGB vertical the other is for RGB horizontal, you should always replace both stk`s as a set, Hitachi recommends you use a "replacement kit"
part number X480306", this kit includes both stk`s with a new & supposedly improved set of stk`s as well as all resistors that are required for proper set-up, they strongly recommend you change all of the parts in their kit. The only other thing besides IC`s & resistors that could cause your problem is:
1) bad dcu output (you need a scope to check this)
2) you`ve lost either the +15 volt line or the -15 volt line to the IC`s, "Fxxx" chemical fuse open in power supply.

Dec 01, 2007 | Televison & Video

2 Answers

Right side convergence


A convergence IC has burned out. If I remember correctly, those Pioneer sets have one huge convergence IC, but that IC only has 5 channels in it so they use another smaller dual STK IC and one half of it is used for the 6th channel and the other half is the vertical output. Look on the convergence board, find the blue convergence jack, identify the blue horizontal channel, follow the traces and replace the IC handling the blue horizontal channel.

Aug 28, 2007 | Pioneer SD-P50A5-K 50" Rear Projection...

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