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Power supply the stanby mode is lighting there is no power?

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Sounds like main board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Posted on Apr 19, 2014

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Power supply ok..coz the stanby light is on?


well yes, the power is OK if the red light is on but what is the real problem?

Jan 22, 2015 | Televison & Video

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Le37r88bd


if goes to stand by mode after turn on which mean either the power supply board doesn't have correct out put voltage or an error was detected that is why the main board goes to safety mode. so you will need first to locate the power supply board look for any bulging capacitor or burnt parts here.

Sep 16, 2012 | Televison & Video

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Tv is in stanby mode. when i turn on power it seems like it wants to start but nothing comes up on screen. stanby light is blinking


The problem is in the main board of the tv, it is either a power supply issue or a high voltage problem. In order to isolate you will need a tv tech to check the set out and cost involved.

Jan 07, 2011 | Sony FD Trinitron WEGA KV-34HS510 34" TV

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Tv is automatically switching to stanby mode after a few seconds


Hello,

Power supply board have problems,just not dead yet.Replaced the power supply board,will solved this problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Hope this helpout......

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JVC RX 709V Will not turn on stanby keeps flashing on and off.


There is most likely a fault in the power supply that is causing the amplifier to go into protection. This receiver more than likely has a switching power supply you can tell by the weight of the amp. Heavy = linear power supply and light = switching power supply. Common problems with switch mode power supplies are the FETs used for switching and the PWM (pulse width modulation generator) If you know someone into electronic repair it should be too difficult. The FETs won't be cheap. Though. All in all the unit should be no more than 100 dollars to repair between labor and parts.

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I would assume the power board has a problem. A tech could possibly repair it without replacing the whole board.

Nov 13, 2008 | Pioneer PDP-5070HD 50 in. Plasma...

1 Answer

Hey i need help


youre losing your signal and it sends the tv into stanby mode and cauuuses the power supply to shut down

Apr 29, 2008 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Sony KV30hs420 0 Stanby Light Timer Blinks 3 times and powers TV off


Led blinking Three times means B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit, check T603 and R672. If you have electronic knowledge you may be able to fix it. Let me know if I could help you further.
Hope this helps.

Jan 25, 2008 | Toshiba CN36X81 TV

1 Answer

Toshiba


No im sorry to say, not in the standby mode but in the shutdown mode. this could be from several things. like a bad regulator IC in the main supply, or a set of bad capacitors between the main power supply and the sweep power supply, or maybe a shorted audio output IC oer a shorted convergence IC or could even be because fluid leaked down onto the Printed circuit board, from the CRTs. If your not a tech Please call one as it not a place for someone to be tinkering around with! Please dont forget to rate this.

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