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Sanyo Plasma DP42746---No Pix or sound. LED on power board blinks 12 times.

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  • Billy Cooke
    Billy Cooke Aug 24, 2010

    I appreciate the information you gave, but could you give me a little more service
    tips. Im a retired TV service man for 35 years and Im not hep on flat screen TVs
    thank you, Billy

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  • Master
  • 8,619 Answers

Hi


Thanks for using FixYa. 12 blinks issue in your Sanyo means that the issue is with the Y- board however; the logic board should also be checked. You can also check the capacitors, if they are bulged/swollen/flat then they should be replaced. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on Aug 20, 2010

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1 Answer

Sanyo plasma tv led 8001 blinking 12 times, indicates d12v code


Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Oct 20, 2014 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Sanyo DP42746 LED blinks 12 times


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.
If you fail to detect the fault, it will be best to contact the authorized service center for Sanyo, in this case.
Gopakumar Gopalan Google

Mar 11, 2014 | Sanyo DP42746 42 in. Plasma Television

1 Answer

No picture or sound. Power board led flashing in sequence of 12. Says D12V on legend.


For what it's worth, you can download the official Sanyo repair manual for this TV (DP42746) at http://www.eserviceinfo.com/downloadsm/43343/sanyo_dp42746.html. It might give you some insight you need especially directing you towards the D12V. Hope this helps

Jan 03, 2011 | Sanyo DP42746 42 in. Plasma Television

2 Answers

Green light comes on no picmor sound


Hello Afox5, hi, make sure that there are no user controls or setup that are out of order. as a backgrounder, TV of this type mostly has two boards, power supply and main board. On the power supply board, this has two section, primary that deals with mains voltage and secondary that deals with TV supply current requirements, if you see green light mean that power on the secondary section of the power supply board of your TV is working, but it does not mean that the power supplied to the main board is correct, the supplied current produced by the power supply section to the main board that controls sound and picture needs to be checked, so voltages are needed to be checked and loose wiring, or screws needs tightening, are a common trouble, but some go to extremes like replacement of any boards.

Aug 31, 2010 | Sanyo DP42746 42 in. Plasma Television

1 Answer

The green led blinks 12times. local repair guy guy said somthing about taking out the y.


Power LED blinking it about 90% power supply board is dead.The other 5% are both boards some time are dead.The power supply board and the Tuner siginal board is dead.Replaced the power supply board it ur best bet to get power back.After power is back should get picture too.Not than the Tuner board also need it replaced.Tries Websites Shopjimmy.com,Ebay.com for boards parts.

Feb 16, 2010 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Sanyo dp42746 low volt power problems


The power supply is failing, or there is another circuit area that is pulling too much current, and the supply is going in to protect mode.

This would require proper troubleshooting by an experienced tech. If the problem is very involved, or the tech is not familiar with the set, he will require the service manuals and service information.


Jerry G.



Apr 25, 2008 | Sanyo DP42746 42 in. Plasma Television

3 Answers

Sanyo DP42746 42 in. Plasma No Video


to test all y sub boards remove the main power connection to the y main and turn the tv on if it powers on one of those boards are bad.. remove both sub boards. and plug in the y main. if it powers on then that board is good either, put your multimeter on 2k omh and test the upper ysub boards black connector, the top 2 pins with negative to the 5th pin positive. you should read 500-1k ohm if its way under 100 there is a short.

the bottom ysub board place the multimeters black probe on the bottom 2 pins of the black power conection and the red on the 4th pin.. results are the same.

low resistance means theres a short in the board.

Apr 12, 2008 | Sanyo DP42746 42 in. Plasma Television

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