Question about Sony KP-51WS500 51" Rear Projection Television

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Pico fuses were open on deflection pcb by Conv. IC so these were changed first STK 932-560's. Set still don't come on and checked all 3 CRT pcb--unplugged one at a time--checked fuses on P.S. module also.

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6 blinks is an indication of +5 volt over or undercurrent boltage. ussally on a or b boards

Posted on Mar 23, 2011

  • Willie Howell Mar 23, 2011

    how many error flashes do you have

  • Pete Haselman Nov 17, 2011

    I have five blinks when I press and input ???? it blinks twice the a moment later blinks three more times

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I replaced the STK chips and one pico fuse that was blown on the input power board (the fuses and resistors near the STK chips are fine). I turn the power on, no screen and I get sound for 1 second, then...


A blink of 4 times is an error code that there is no vertical deflection. There may still be a problem with the + or - 15 volt supplies. This error is generate when the vertical deflection pulse is missing. there might be a problem with ic 8003 wich is the vertical drive ic. this chip generates a signal witch is detected by transistor q 8001 check pin 3 to see if you have 4 volt stop signal

Mar 07, 2011 | Sony KP-51WS500 51" Rear Projection...

1 Answer

I have a 60sdx88ba and will not power on


First I would check to see if you may have shorted the STK ICs pins when you soldered them in. There may be more than one short, so check them carefully.
Next I would check to see if that circuit uses ant fuses or pico fuses on the supply lines to those ICs.
Good luck.

Dec 01, 2009 | Hitachi Televison & Video

1 Answer

RED HORIZONTAL CONVERGENCE OUT.INSTALLED NEW STK 392 110.SAME PROBLEM


Please check does STK IC getting +22 and -22 volts supply to work properly, check pico fuses that might blew off / open, replace it and check.
Thanks.

Oct 29, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

I pushed flash focus button on the front and now my t.v.s convergance is distorted and cannot move the crosses to align.The other is my screen projection is semi circled


Two convergence o/p IC's STK need to be replaced. and check pico fuses adn resistors in the area - with this model the complete pwr/conv/defl. board should be removed to replace the IC. Not ajob for a novice.costs between 200-400

Oct 07, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Mitsubishi WS-65611 IC's replaced


this set has a self diagnostic feature; when you turn it on and the green light goes out--push menu and device(or input) together for 5 seconds. the led for power should blink an error code. The most common is 2, pause and 2---this means something is shorted. If the set functioned before you changed the stk--you may have a new IC that is shorted--this IC is protected by two pico fuses usually marked as fao4 and fao5----they are about 3 inches behind the IC and are marked 5 a(they are green in color and do not look like fuses) also check all the 3.9 ohm blue resistors in front of the Ic--if any are white in the middle they are gone and the new IC got them. you did not remove the board? you tilted the entire chassis up to get at the IC? take a good look to make sure you did not pull any plugs loose---check for the error code first and let me know what it is. Best way to do this repair is to remove the entire board from the plastic frame---takes a little longer but is safer way to get it done. If one of the pico fuses is blown you will check it just like a regular fuse--an open fuse will suggest short and the set will shut down with 2, pause. 2 errror code.

Aug 18, 2009 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

My sony kp46wt510 has a red shadow behind the pictures


Check for open pico fuses,open/burned resistors in conv.circuit(STK392-560
conv.IC).

Jun 06, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Hitachia 53uwx10b conv problem


Change the STK 392 IC's on their heat sinks. Check for bad resistors in the area. Check for open pico fuses. That should fix it. Let me know if this helps.

Oct 15, 2008 | Televison & Video

1 Answer

Mitsubishi ws-55859 projection tv with 2-3 error code


did you change the two pico fuses F9A04 and F9A05 when you replaced the Convergence ICs

Sep 25, 2008 | Televison & Video

2 Answers

Toshiba CZ32T31, Vertical Deflection?


Usually the solder joints on the vertical output IC crack and the little pico-fuse opens. Resoldering the IC and replacing the pico fuse should bring the picture back. If you have never heard of these parts before and have no idea how to find them, then allow a qualified tech to handle it for you.

Aug 09, 2007 | Toshiba CZ32T31 TV

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