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Unit works erraticly, mostly not

Power supply (SPF10-HH01) 5V output is only 3 V. You have spare power supplies.

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Power board problum


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. 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.

May 04, 2016 | Televison & Video

2 Answers

I have a teac dle3289hd digital TV with no power to unit


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.

Jun 17, 2015 | Teac Audio Players & Recorders

1 Answer

Does a ATX power transformer makes the difference of watts of a power supply unit of a computer? Exactly I am planning to improve performance of my pc's ATX power supply unit. Trying to attach another...


NO NO NO... PC power supplies are switching supply's. The transformers use high voltage to drive other components. Increasing the power out of the supply will require you to upgrade the power supply to a higher wattage output.

Oct 23, 2013 | Microsoft Computers & Internet

1 Answer

Vizio VX37L won't turn on. The light on the front does not come on even when plugged in. I replaced the power supply unit and it is working correctly (tested power output using voltmeter). I was wondering...


Good day.

The common 3 causes of power supply breakdown.
  1. The power failure of main supply (brown-out)-Because when the power failure occurs,your ac supply is gone and when its back to normal,the first current that flows in the circuit is more higher than the normal.Specially when the power failure happens only on split seconds.
  2. Too much load-It is usually happens on the big screen like 32inches,40inches and more.Because when the TV is big the load of the unit is also higher.However it takes a long period of time to malfunction the Power supply because it is specially design to that load capacity.
  3. Heat-Too much heat can cause a malfunction of the Power supply and even some parts like Main board and inverter board.
And you can find a decent replacement of your power supply and other spare parts here in good price:
http://www.electronica-usa.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=EU&Product_Code=DPS247APB&Category_Code=
However,The stock of your Power supply is sold out now but you already have a new power supply now so its OK to wait until the stocks is available.

I hope this information will be helpful.Thank you for using FixYa.

Apr 15, 2011 | Televison & Video

1 Answer

Hi , Just purchased an HD400 today . When powered up there is no menu screen available only black character blocks ?????


This sounds like a power supply problem. SInce the unit is brand new, exercise your warranty immediately. Don't mess with it and risk voiding the warranty.
If YOU supplied the power adapter, that is LIKELY the problem. This unit take one that is capable of 3 amps. (2.5 amps minimum) Most pedal adapters will NOT work with this unit as they don't have adequate current output.

Apr 12, 2011 | Line 6 POD HD400 Guitar Multi Effects...

1 Answer

Why does my amp keeps going on and off?


Reasons can be many but it will be good to check if this fault is relative to:
1. dry soldering in the power supply
2. Activation of the protect due to high load or malfuction of the outputs.
3.Fault in the controller section, fault in interconnection of boards.
4.Power supply unit switching erratically.
make a not of what the symtoms are when the falt occurs to suspect a possible section.

Sep 23, 2010 | Car Audio & Video

1 Answer

My lexmark x5150 won't turn on. could it be the power cord? It ma


Please follow the instructions given below to troubleshoot the power issue:

1. Connect the printer directly to the power outlet. Surge protectors can actually draw power away from the printer. If this fails, please try multiple power outlets to ensure your specific outlet is not damaged, and make sure the printer is not connected to the PC while testing the unit.
2. When trying to power on the printer, feel the power supply box (if there is one) and note whether or not it is warm. If it is warm, the problem is not in your power supply, but most likely in your printer. If it is cold, the power supply might be defective.
3. Ensure you have the correct power supply connected to the printer.
4. If you have access to a voltmeter, please ensure that the power supply is giving out the correct amount of voltage (most of our printers use 30 volts output).

Apr 13, 2009 | Lexmark X5150 All-In-One InkJet Printer

1 Answer

My lexmark X5470 printer power button does not work.


Thank you for contacting Fixya.

Please follow the instructions given below to troubleshoot the power issue:
1. Connect the printer directly to the power outlet. Surge protectors can actually draw power away from the printer. If this fails, please try multiple power outlets to ensure your specific outlet is not damaged, and make sure the printer is not connected to the PC while testing the unit.
2. When trying to power on the printer, feel the power supply box (if there is one) and note whether or not it is warm. If it is warm, the problem is not in your power supply, but most likely in your printer. If it is cold, the power supply might be defective.
3. Ensure you have the correct power supply connected to the printer.

4. If you have access to a voltmeter, please ensure that the power supply is giving out the correct amount of voltage (most of our printers use 30 volts output).

Your's tech support
Jeeth

Mar 31, 2009 | Lexmark X5470 All-In-One InkJet Printer

1 Answer

Sony ICF-CD855V clock radio no power


Transformer wire that connected to one of the AC terminals was broken. Soldered a jumper wire between the terminal and the transformer. The most difficult part was finding a tool to remove the 3 triangle headed screws from the power supply, ended up making my own tool.

Dec 29, 2008 | Harman Kardon Sony ICF-CD855V...

2 Answers

Sanyo 31' tv


The main power supply, or the horizontal output stage may have failed. Sometimes when the horizontal output stage has failed parts, the power supply is also damaged.

An experienced tech should be able to troubleshoot your set for you and replace the defective parts.

Jerry G.

May 04, 2007 | Sanyo DS31590 31" TV

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