Question about Pioneer VSX-516-K

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Pioneer amp vsx-516 not powering up, its not switching on at all. what might be the problem?

The power cord to the power supply the is power that is going through, but its not switching

Posted by Anonymous on

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: pioneer vsx-456

I have um Acquitance Groundbreaking VSX -456 as you I turn on appears Poweroff and he turns off automatically if he may go feasible ma ajudem,pois did not what to do. thank you Awaiting recurrence for its email: domingosdsm@globo.com

Posted on Jun 08, 2008

  • 30 Answers

SOURCE: pioneer receiver vsx d814 amp error

The Pioneer VSX-D814 has a couple of Power Hybrid bricks that do all the power amplification. These are the infamous PAC011A. You should have 2 of those in your receiver.

If the amp detects some unusual activities, it may shut down the unit to prevent damage. “Amp Err” usually means some DC in the output.

Disconnect all the speakers and turn on the unit; if it acts normal, reconnect speakers one set at a time very carefully. If the unit still shows the error message you can try to reset it. If the reset works, again carefully reconnect the speakers connections. If the reset does not recover the normal operation of the unit, you may have one of the PAC011A damaged, and the unit will need repair.
The reset can be done by disconnecting the unit power cord for a few minutes, then plug it in and press “FRONT ENTER key + ADVANCED SURROUND key” continuously for 2sec.

Good luck

Posted on Apr 02, 2009

  • 4 Answers

SOURCE: Pioneer VSX-816

With the receiver off, press ENTER + ADVANCED SURROUND keys continuously for 2 sec. and it will tell you the fault it encountered. Even if it has a short, it will still protect the speakers; however, it is still a good idea to disconnect all speakers before doing this.

Posted on Aug 12, 2009

  • 11 Answers

SOURCE: doesn't turn on

does it have the blue flashing light on the power button?

Posted on May 16, 2010

caroldon
  • 17129 Answers

SOURCE: My pioneer vsx-519V-k amp won't turn on. Just

Have you checked within the set, the fuse and if the standby circuit is working. thre could be a failure of this sub votage which is required for the switch on of the main power. If you do not have any standby indication you must check this section, however if you arre getting the standby you would have a failed output or a shorting that is triggering the error amp to swtich off. If you are familiar with the circuits you can check but I would suggest that since you will need more experience to look into the main board for tracing the fault. In such case check for the service centre nearest to the place you are in using a google search for Pioneer - Audio systems- sevice. Helpful I hope. Good day.

Posted on Jul 06, 2010

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Can't get it to turn on


If you are encountering power problems with your printer, please go through the following checklist:

  • Make sure the power cord is plugged in securely and directly to the power outlet. Power surge protectors can draw power away from the printer.
  • Disconnect the power cord from the power outlet and the back of the printer and then reconnect it.
  • Check the power supply box (if there is one) to see if it is warm or cold, as there could be a defective power supply issue.
  • If there is access to a voltmeter, test the power supply to ensure that it registering the correct amount of voltage (most Lexmark printers have a 30Volt output).
  • Make sure the correct power supply is connected to the printer.

Jan 18, 2012 | Lexmark Z715 InkJet Printer

1 Answer

I have a hp desktop about 5 years old..few days ago we had a power outage. power came on and off a few times ..i wasnt home but my pc was on when i came home my pc was off and wouldnt start..i try to push...


> bad power supply

Try an ordinary lamp in the wall-socket -- to make sure that a circuit-breaker inside your home has not "tripped", i.e., no power to anything that plugs in.

If there is an on/off switch beside where the power-cord connects to the power-supply, switch it to the "off" ("zero") position.

Unplug the AC cord from the power-supply.

While watching the fan inside the power-supply, and/or watching the fan on top of the CPU, plug-in the AC cord. One of the fans may "twitch", if there is power.

Flip that rocker-switch to the "on" ("one") position, and see if one of the fans "twitches".
Also, look on the motherboard for a small lamp -- it may go on if the AC power-cord is connected,
or may go on when that "back" switch is set to "on".

Try a different power-supply. If still nothing, then it's your motherboard that got "fried".

Nov 11, 2010 | HP Pavillion s7420n PC Desktop

1 Answer

I HAVE A MIRAGE MODEL NO. DR-B500E ATK 500W SWITCHING POWER SUPPLYIN MY COMPUTER AND IT HAS STOPPED OPERATING. I HAVE TRIED DIFFERENT POWER POINTS AND DIFFERENT POWER CORDS BUT THERE IS STILL NO POWER TO...


I recommend you replace the switch mode power supply. These power supplies have dangerous mains voltage inside the unit and you should not try to repair if you do not have electronic knowledge.
The cost of a 500 W ATX power supply should be approx. $100.
It is not difficult to swap out the power supply, make sure you have the power connectors are the same as the old power supply.

Nov 08, 2010 | Select Brands Mirage DR-B500E True 500...

1 Answer

Showing 121: fatal error


It is not exactly "fatal", it is related to LSI power supply or disturbance in it communication with high-voltage LSI chip, try this solution first:

1. switch off the printer and remove cord from power supply, remove network connection as well.
2. switch printer on (without power!) for 20sec, switch off
3. connect power supply, and switch printer on
4. connect network cable

If this operation did not clear the error, unfortunately you need to service the printer.

Hope this will help to solve your problem, please leavenote how did it go.

Aug 17, 2010 | OKI C5500n Laser Printer

1 Answer

No power - not responding to on button


If there are on LED lights on in the front panel then either the power cord is faulty or the switch mode power supply is faulty.
Try a different power cord to determine if it is faulty.
Can you smell a burnt electrical smell from the fan grill at the switch mode power supply?
The only way to test if the switch mode power supply is to remove it from the desktop computer and take it to your friendly computer shop to get it tested.
If you do have electronic knowledge I would advise you not to attempt to test and try to repair this power supply.
If the switch mode power supply is faulty, then replace the switch mode power supply with another unit with the same or more wattage.

Nov 02, 2009 | Sony VAIO PCV-W30 PC Desktop

2 Answers

Front panel Ac Switch failing to start computer.


Try these steps.
If Power supply light does not turn on (or no power supply LED)
Perform the following steps, in order, until power is restored or it is determined that there is a hardware failure:
NOTE: If the Power Supply fan spins when the PC is turned on but the light does not come on, it is possible the LED is defective. If this is the case, use the section Power supply light comes on or flashes .
1. Disconnect everything from the PC, including the power cord.
2. With the power cord disconnected, press the power button on the front of the computer. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
3. Replace the power cord with another power cord, like the one used by the monitor.
Test to see if the computer can turn on. If not, continue using these steps.
4. Ensure that the voltage selector switch is on the correct setting, 115V for North America.
5. With the power cord removed, flip the red voltage selector switch to the opposite position, wait about five seconds, and then switch the red voltage selector switch back to its original location.
This ensures that the voltage switch is engaged and set correctly for your country/region.
6. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
7. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
8. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it.
9. Use a vacuum cleaner to remove the build-up of dust from the power supply fan vent holes. Make sure that the PC is turned off and that the power cord is plugged into a grounded outlet. Only use the end of the vacuum hose near the outside of the fan entrance.
Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
10. If all of the above steps have been tried and the power supply light remains off, use the steps in the next section, use the next section Power supply light comes on or flashes , to reseat the cables and check the power switch connector.

Jan 11, 2009 | Compaq Presario SR1000T (568657) PC...

1 Answer

No power to a SR1420NX.


Power supply light on or flashes Perform the following steps, in order, until power is restored or it is determined that there is a hardware failure: CAUTION: This product contains components that are easily damaged by ElectroStatic Discharge (ESD). To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface (like a conductive foam pad), and wear an ESD wrist strap that is connected to a grounded surface, like the metal frame of a PC.
  1. Disconnect everything from the computer, including the power cord.
  2. With the power cord disconnected , press the power button on the front of the computer for five seconds. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps. NOTE: If the power supply fan makes an inconsistent grinding sound or stops and starts erratically, replace the power supply
  3. With the power cord removed, flip the red voltage selector switch to the opposite position. Wait about five seconds, and then switch the red voltage selector switch back to its original location. Ensure that the voltage selector switch is on the correct setting, 115V for North America. Performing this step ensures that the voltage switch is engaged and set correctly for your country/region. Figure 4: Voltage selector switch c00517964.jpg Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
  4. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
  5. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it. NOTE: If you find the device that was causing the problem was a surge protector, resetting a breaker or fuse on the surge protector may fix the issue.
  6. Remove all attached devices except for keyboard, mouse, and monitor.
  7. Remove any internal component that was recently added, such as video card, memory, CD, DVD, and hard drives. An added device may take more power than the power supply is rated for. If the problem goes away when the component is removed, the only option is to upgrade the power supply to power supply with a higher wattage rating.
  8. Check the power switch:
    1. With the power cord disconnected, press the power button on the front of the PC. The button should release easily and not stick in the socket.
      • If the button sticks, it should be replaced or serviced.
      • If the power button does not stick and appears to be functioning, continue using these steps.
    2. With the power cord disconnected, remove the case or side panel.
    3. Follow the wires from the power button on the front of the computer to their connection on the motherboard.
    4. Look at the power switch cables connected to the motherboard. If the cable has become disconnected, connect the power switch cable connector to the connector on the motherboard. Figure 5: Power switch connector on Motherboard c00517968.jpg
    5. Replace the side panel, plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.

Dec 12, 2008 | HP Compaq Presario SR1420nx...

1 Answer

Power BOX supply cord problem or hardrive problem?


Check these settings first. In a clear spot on the screen where no icons are, right click and go to properties, box opens and at top should list from R to L, themes-desktop-screensaver-appearance-advanced. click on screensaver, close to bottom click on power, another box should open, click on power schemes, make sure it's set to portable/laptop, and at bottom make sure settings for plugged in are are set to never. If it's not that then you have a bad power supply cord, or a bad power supply unit in laptop. If it's new and under warranty take it in and have replaced if not warrantied then will cost you about 100-150, just a guess!! hope this helps. But it sounds like the supply cord making the beeping noise might be bad. Make sure it's plugged all the way in as well.

Nov 17, 2008 | Toshiba Satellite M40-S417TD Notebook

1 Answer

System turns on however hard drive will not cycle nor will mouse or key board activate


Turn power off and unplug power from computer.
Unplug printers,backup drives and speakers.
Open case and unplug power supply from the board.
plug power cord back in press the power button.
Of course nothing will happen.
unplug power cord again.
plug power supply back into the board.
plug power cord backup and press power switch.
If nothing happens unplug power cord again.
pull out your memory sticks and plug cord back in and press power button.
Of course not much will happen.
But really something is happening to your computer so continue.
Pull power cord and replace memory sticks.
replace power cord and press power switch.
Continue this pulling out pci cards one at a time until you find out what the problem might be.
Try different keyboards and mice too.
Good Luck

Oct 27, 2008 | Intel Computers & Internet

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