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My power supply board shorted out and im trying to find out how much a replacement supply board will cost for my delta 1010

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  • Graeme Ross
    Graeme Ross May 11, 2010

    Is it an M-Box delta1010?

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Hi, do you still need a hand with sorting this out?

regards
Graeme

Posted on Mar 31, 2008

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No power when turning on..sharp karaoke hk-z18


Fault with the main power supply regulator section. Either it will be on a separate board, or on the part of its main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

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You will have to check the fuse.There probably is a fuse next to where the power cord goes into it. It will look like a little round black cap. It may be necessary to push on it and twist it in order to get it out. It will be marked on the case with a number followed by the letter "A", that being the fuse rating in amperes.

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have the unit opened and check for the blow out fuses..

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No power when turning on?


Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

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Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

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The downside of a product getting a power surge is it will never be just right. It is not worth the cost to repair it. Consider buying a new TV instead. Suggest a Smart TV.

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you must check first the fuse in the power supply which getting blown.if the fuse blown with darkened black color that was mean there are other component parts in the power supply or in the board which get bad. if you know how to test component, check shorted bridge type diode as will as regulator ic and FET transistor in the power supply board.

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Hello,

This issue is related to a power problem in as much as the receiver turns off on it's own.

The problem is consistent with overheating on the power supply board of the receiver. it might have worked fine in the past, but that's electronics for you. Power surge, irregular power supply, excess power supply, etc can affect the unit thereby making it to misbehave.

The power supply board of the receiver has few capacitors and IC. If any of these IC's gets short or become weak, it can cause the receiver to turn off on it's own.

When current passes from electric outlet to the power supply board of receiver. The current also goes to the weak/faulty part, then the current stops or slow and the board overheats and receiver shuts off on it's own.

To solve this issue, check the power supply board and read it with a meter and continuity tester, in order to detect the faulty part and replace the faulty part on the board which is short due to which power supply board

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board from www.shopjimmy.com to save you some stress.

If you don't have the ability to read the fault, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.

I wish you the best of luck.

Regards.

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These models are known for this issue.
I've had my share in the shop here.
Disconnect all speakers,turn speakers off, try headphones only
If it still persists then there is either :
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A tech can very easily find out if the thermal fuse is open by checking the primary of the transformer
if the plastic is shrinking away from the power supply capacitors then they've gone bad

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