Question about Sony KP-46WT510 46" Rear Projection HDTV

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I got a 5amp pico fuse instead of 4amp is that gonna be ok as part of my convergence repair.

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Well if i remember correctly there 3.6 arnt they so 4 its a fuse or circuit protector which open when the current load becomes excessive so by increasing the pico size your defeating the porpose of it and fi its truely a 4 amp you would want to put the same exacat back in hope this helped

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Convergence is off

Check the pico fuses in front and behind the Convergences ICs STK392-110
Pico Fuses Look like resistors ,but they will be Yellow or Green 5amp -7amp fuses.
If they are Ok then you need to replace bopth ICs .
Mats Electronics has ICs 1-800-628-1118

Mar 01, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

How do i test fuses on a circuit board?

F9A04 and F9A05 are the two picos to test. They are both 5amp pico fuses they will appear lime green and look like resistors without color bands. They are located on the same board as the convergence Ics. Just test them for continuity with a ohms meter.

Apr 01, 2010 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Replaced the convergence stk-392-110 and pico 5amp fuse. Turned the set on, still had convergence problem. Tried to adjust the convergence and it would not adjust. Did not replace any resistors seemed to...

The Convergence IC's that should have been used are STK392-570's. These are not interchangeable with STK392-110's.
I would try the STK392-570's first before doing anything else.
I hope this helps,

Oct 25, 2009 | Mitsubishi WS-65411 65" Rear Projection...

1 Answer


you only need one STK393-110 Convergence IC and two 5Amp pico fuses. You can get the IC and the two fuses for less than 35.00 at the following link and they provide free installation instructions with pictures so you can easially do the repair yourself. Heres the link.

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You may want to get some help with this install...goto and ask for some help

Jan 14, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

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TV Shop Repair ,I charge $285.00 to do this repair job in shop. Replace Both convergence ICs big black ics will have Part number on them STK392-560 also CK pico fuses around ICs they look like resistors in away but will be green or yellow 5amp/6amp fuses. For Parts call 1-800-223-3205 You will also need white silicon heat sink compound to put on back of ICs.

Jan 03, 2009 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Cant tune red bulb

Check pico fuses F9A04 and F9A05 if either one of those picos are open it means the convergence Ics are bad along with the picos. Your set uses two STK392-570 ICs and the two picos are both 5amp picos. You can get replacement parts and installation instructions at the following link.
The pico fuses are located on the second board from the right heres a pic of where they are.b86c4db.jpg

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2 Answers

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On the center board you will see two green pico fuses F9A04 and F9A05 check those for continuity. If either one is open cahnge both the 5amp picos and replace the Convergence ICs. You can get replacement picos and ICs at the following link with free installation instructions.

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1 Answer

My Mitsubishit 65511 projection tv won't turn on. Its approx 6 - 7 years old. I tried the system reset button, but that didn't work. I hit the menu and device buttons and got a code of 2 or 22. Can you...

Check the center circuit board for two bright green picos fuses numbers F9A04 and F9A05 if those are blown replace the convergence IC . The picos are 5amp and the IC is STK393-110 you can get replacement parts at the following link. and this is what the picos look like155d14d.jpg

Aug 10, 2008 | Televison & Video

1 Answer

Mitsubishi WS-48511: can't adjust blue convergence

Replace R8c21 & R8c22 (3.9 Ohm 1 Watt) Ic8c00 Stk393-110 Mits. Part # 267p155010 (Use Sanyo Original)
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