Question about Sony KP-46WT520 46" Rear Projection HDTV-Ready Television

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9 blinks My sony KP-46wt520 will not turn on and blinks 9 times i replaced diode 6301 and 6116 on the g board and still nothing still blinks 9 times what should be my next step?

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  • todouble53 Jan 06, 2009

    do you know the part number for d6117?

  • todouble53 Jan 07, 2009

    i got them from sony i found the part numbers online but they never said to change 6117 so i didnt get the part number

  • todouble53 Jan 07, 2009

    do you think they will be compatable or should i order the other two from nte t? if so what are the part numbers? thanks

  • todouble53 Jan 08, 2009

    i found the sony part number for D6117 (8-719-081-97) i ordered it and it should be her next week. wish me luck!

    do you have any suggestions if the tv does not turn on after i replace the third diode?

  • todouble53 Jan 17, 2009

    i changed the last diode D61117 and the tv is working thanks a bunch!!!!

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  • Sony Master
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D6117- Change switching Regulator on G board you can also do Self-Diagnostic Mode Press display ,5 . vol- ,power. this should turn set on and show other codes telling you what else maybe wrong. TO Remove codes and clear back out Press display,5,vol+,power Now Press 8 and Enter.

Posted on Jan 05, 2009

  • ladywinn
    ladywinn Jan 06, 2009

    NTE 552 General Purpose Fast Recovery Diode. What type of diodes did you replace 6116 and 6301? I think they are all surpose to be same.

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2 Answers

TV won't turn on, standby light just blinks 9times off and on


There is some problme in G Board (power supply board) in your Sony KP-46WT520 tv that is why standby light blinks 9 times.
If you are handy with electronics stuff repair and can test/ replace parts in circuit board then let me know to provide you more technical info to fix tv problem.

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1 Answer

Sony kp-46wt520 blinks 9 times


you can use basic power supply diodes ecg 125s or diodes rated at 60 herts at 2.5 amp. these type of diodes are common to alot of power supply diode bridges and if you have any junk electrical boards then you could borrow them used, don't worry they will last longer than the original new ones which were not very efficient from the start.

Sep 07, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Sony KP-46WT520 TV won't come on.


That is a diode in the sub power supply, it is a small board with only a few parts on it to the left of the d board, for the zero crossing detector. D6301 sony part number 6-500-567-21

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IC8002 # 670581001 on D board .Ater replacing 3 diodes how many times does it blink now?

Jan 03, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

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Replace Diode 6301 and D6116,6117

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replace the zero crossover detect diode in the power supply.

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make sure it is 9 blinking it may be 10

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