Question about Sony KP-61V80 TV

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Sony KV-61V80 the timer/standby light flashes twice and then remains on. No picture or sound.

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  • urok2 Sep 13, 2010

    Thanks for answering my question. I'm a TV tech . I should have added that the fuse is good and the HOT is fine as well, in fact there is no voltage getting to the output transistor. I'm thinking some component in the switch mode power supply. However, with the 2 blinks it could be in shut down if the B is going over voltage. You probably have more insight on this model as well. Thanks

  • urok2 Sep 13, 2010

    Thanks for the info I'll check the manual. Thanks for the feedback. Kevin

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Hi,

Below are the blinks for the Sony KP-61V80 :


One Blink: Not Used.

Two Blinks: B+ Over Current Protect, Short In Power Supply Or Hv Circuit.

Three Blinks: B+ Over Voltage Protect: Power Supply Short, Check
Transistors, Resistors Etc.

Four Blinks: No Vertical Deflection, Check Ic1509, Q1505.

Five Blinks: Akb Circuit, Check Q705, Q732, Q761 On C Board, Also Check
Q218, Q219, Q220 On A Board, Ik Circuit Can Also Cause This Try Turning
Screen Control Up A Little.

Six Blinks: No Horizontal, No Raster, Check C515, C516 & Jungle Ic206.

Seven Blinks: High Voltage Shutdown, Flyback, Shutdown Circuits/Components.

Eight Blinks: Audio Circuit, Ic406, Ps401, Ps402.

Now,

In order to repair this, if you have electronics repair experience , could read schematics and would be able to keep all precautions, revert and i could tell you few pointers and from where you could buy service manual at less price.

A tech is usually recommended in these cases.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Sep 12, 2010

  • taran_2005
    taran_2005 Sep 13, 2010

    Thanks for your response!!

    To start with, you could buy the complete service manual from :-

    http://www.tradebit.com/filedetail.php/5...

    On this model, i have never came across this problem. I only repaired it once for 4 blinks. That's a different story all together. Could be a short in power supply of any of the circuits or it could be a case of overcurrent protection ( OCP ).

    I guess service manual would provide you with complete details. As you are also a TV tech, so i am sure you would be able to open and check the values.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!

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