Question about Schumacher & Fast Charge Starter Charger

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No power I removed the cover looking for a fuse.I found a clip off a black component on the heat sink.I noticed a burn spot on the sink and the brass connector and replaced same.Still not working.Could a fuse have blown and were located.Who would repair this charger?

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Posted on Feb 10, 2009

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Unit was clipping out @ high volume.


First of all, I would need to know the make and model number, rather than guessing. Second question, why are you driving the amp into clipping, if that's what you mean? That will destroy tweeter and midrange drivers. Certainly, if you are driving it into clipping, the heatsinks have got to be hot, and I don't believe an external fan will cool the right places. If you can get back to me with more information, you can contact me at my website, audioserviceclinic.com, to inquire about a repair. Thank you.

Nov 27, 2014 | Audio Players & Recorders

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Won't heat, sounds and looks fine


The Titanic looked fine! :) You have blown a fuse. Check inside the oven chamber and look for missing powder paint or signs of arcing, if so there is a paint to repair microwaves for this issue or else just dispose of the microwave. If the inside is good remove all the screws and remove the cover. Replace the fuse. If the magnetron was making louder noises prior then replace the magnetron. Since the fuse went the giant capacitor is likely bad. While the cabinet is open make sure to look for burned wires, check the continuity of thermal cutoffs, and check the main circuit-board for burned traces or components. The relays in most electronics are known for arcing (spot welding) and staying in the wrong position. Tap them hard with the back end of a screwdriver. During all of this use safe electrical practices by having the power cord unplugged. The capacitor could still have a high charge on it so be careful.

Dec 01, 2013 | GE XL1800 1100 Watts Microwave Oven

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Heatsink


INSIDE A COMPUTER OR THE HEAT SINK FOR YOUR COMPAQ COMPUTER?

The "CPU" or central processing unit, otherwise known simply as "the processor," is the primary "brain" of the computer. Processors are very finely engineered components that are not repairable. But replacing a failed processor is an option for the owner of any model Compaq Presario desktop computer. Just check with HP/Compaq for the correct and speed of processor for your motherboard before purchasing a replacement.

Turn off the computer and disconnect all cables. WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Remove the cover. Lay the computer down flat. If there is a plastic hood covering an exhaust fan, remove it by pressing in on the indicated release tabs. Examine the processor assembly. The processor is a square chip that is covered by a metal heat sink with fins. A fan will often be mounted on top of the heat sink; unplug its connection to the motherboard. Two clips usually secure the heat sink assembly to the top of the processor. Gently press down and slightly away on the flat end of a clip to release it. Avoid using a screwdriver to release a clip; a slip could scratch the motherboard. Release the clips and gently remove the assembly. The heat sink should separate, leaving the processor behind in the chip holder. Clean the bottom of the heat sink. Use a paper towel and a dab of solvent cleaner to remove the old thermal paste. Set the clean heat sink aside. Lift up the lever to unlock the old processor and remove it from the pin mount. Insert the new processor chip. Align the pins on the processor to the "cut off corner" or dot on the pin mount. The processor should drop into the pin holes easily. If the processor won't drop in easily, check the pin alignment. Once the processor is inserted correctly, pull down the lever to lock in the chip. Apply thermal paste to the bottom of the heat sink. Apply enough paste to cover the area of the small gray rectangle on top of the processor. Apply the paste with a spreader made from a piece of flexible plastic. Spread the paste evenly to a thickness of two sheets of paper. Check the heat sink mounting alignment and lower the heat sink onto the top of the processor. Reinstall the mounting clips. Reattach the heat sink fan to the motherboard if necessary. Plug in the computer and monitor and boot. If the machine won't boot or it emits warning "beeps," unplug the power and monitor, and troubleshoot your work until the computer boots successfully. Shut down again and replace the exhaust fan hood. Close up the computer and reboot. Hope this helps.

http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&Description=thermal+paste

Jan 19, 2013 | HP Compaq Presario SR5610F Desktop PC

1 Answer

Bad processor on my hp compaq


WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.

http://www.kitchentablecomputers.com/static.php - rules


The "CPU" or central processing unit, otherwise known simply as "the processor," is the primary "brain" of the computer.

Processors are very finely engineered components that are not repairable.


But replacing a failed processor is an option for the owner of any model Compaq Presario desktop computer.


Just check with HP/Compaq for the correct size and speed of processor for your motherboard before purchasing a replacement.


Turn off the computer and disconnect all cables.

Remove the cover.

Lay the computer down flat.


If there is a plastic hood covering an exhaust fan, remove it by pressing in on the indicated release tabs.


Examine the processor assembly.

The processor is a square chip that is covered by a metal heat sink with fins.

A fan will often be mounted on top of the heat sink; unplug its connection to the motherboard.


Two clips usually secure the heat sink assembly to the top of the processor.

Gently press down and slightly away on the flat end of a clip to release it.


Avoid using a screwdriver to release a clip a slip could scratch the motherboard.

Release the clips and gently remove the assembly.


The heat sink should separate, leaving the processor behind in the chip holder.

Clean the bottom of the heat sink.


Use a paper towel and a dab of solvent cleaner to remove the old thermal paste.

Set the clean heat sink aside.


Lift up the lever to unlock the old processor and remove it from the pin mount.

Insert the new processor chip.


Align the pins on the processor to the "cut off corner" or dot on the pin mount.

The processor should drop into the pin holes easily.


If the processor won't drop in easily, check the pin alignment.

Once the processor is inserted correctly, pull down the lever to lock in the chip.


Apply thermal paste to the bottom of the heat sink.

Apply enough paste to cover the area of the small gray rectangle on top of the processor.


Apply the paste with a spreader made from a piece of flexible plastic.

Spread the paste evenly to a thickness of two sheets of paper.


Check the heat sink mounting alignment and lower the heat sink onto the top of the processor.

Reinstall the mounting clips.


Reattach the heat sink fan to the motherboard if necessary.

Plug in the computer and monitor and boot.


If the machine won't boot or it emits warning "beeps," unplug the power and monitor, and troubleshoot your work until the computer boots successfully.


Shut down again and replace the exhaust fan hood.

Close up the computer and reboot.


http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490



Hope this helps

Nov 11, 2012 | HP Compaq dc5100 Microtower PC Desktop

1 Answer

My power and usb cable connections broke loose from my circuit board. can this be repaired or is a replacement board available?


It can be repaired just use a low heat soldering iron, and use heat sink clips, so that the heat will not
transfer and burn other components. make sure all power cords are removed from the board. use a
wrist ground strap to dissipate any static buildup that can damage components on the board. good luck!

Aug 05, 2011 | Western Digital 500GB My Book World...

1 Answer

Both fuses burnt and both clip and signal led on? seems to have full power behringer ep2500


Suspect an overload in either the power supply section or the devices on the main heat sink. In the power supply you are either looking at a transformer problem or semi-conductors associated with it. However since the clip and signal lights are on, I would go to the amp devices on the heat sink. If they are transistors test them with a Ohm Meter on the 1K setting in circuit even! You will soon notice which ones are gone! The meter will show like you had touch the test probes together!

May 15, 2010 | Behringer EUROPOWER EP2500 Amplifier

3 Answers

How can I change the fan inside my computer? It's making too much noises


  1. Shut down the computer through the Start menu.

  2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.

notice.gif NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
  1. Disconnect any telephone or telecommunication lines from the computer.

  2. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

caution.gif CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. notice.gif NOTICE: Ensure that sufficient space exists to support the open cover—at least 30 cm (1 ft) of desk top space.
  1. Lay the computer on its side so that the arrow on the bottom of the computer points up.

  2. Open the cover:

    1. Facing the back of the computer, press the release button on the right side of the computer with one hand while pulling up on the top of the cover with the other hand.

    1. Press the release button on the left side of the computer with one hand while pulling up on the top of the cover with the other hand.

    2. Hold the bottom of the computer with one hand, and then pull open the cover with the other hand.

cvrop5.jpg

  1. Shut down the computer through the Start menu.

  2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.

notice.gif NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
  1. Disconnect any telephone or telecommunication lines from the computer.

  2. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

caution.gif CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before you open the cover.
  1. Open the computer cover.

notice.gif NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
  1. Disconnect the cooling fan power cable from the FAN2 connector on the system board.

  2. Disconnect the power cable from the PWR connector on the system board.

  3. Lift up the airflow shroud.

mprcsr6.jpg
caution.gif CAUTION: The heat sink can get very hot during normal operation. Be sure that the heat sink has had sufficient time to cool before you touch it.
  1. Remove the heat sink:

    1. Release the retention module clip by pressing in on the tab and lifting the retention module clip up.
    mprcsr12.jpg
    1. Pull the release lever out until the heat sink is released.

      mprcsr17.jpg
    2. Lift the heat sink away from the microprocessor.
notice.gif NOTICE: Lay the heat sink down with the thermal grease facing upward.

May 12, 2010 | Dell Dimension 8300 PC Desktop

2 Answers

Was working fine. started burning ac line fuses and noticed a little smoke. I found a bad light switch going to the ac outlet it was plugged into, which I think has caused this whole problem. removed the...


u have a shorted primary power supply unit on your amp. for linear supply check diodes and capacitors. for smps chek switching transistor or any other switching component. if u have no idea get it repaired by a tech.

Jan 30, 2010 | Sunfire Cinema Grand 200 Five 5-Channel...

2 Answers

No power to Eiki EIP-2500 projector


there is a fuse on the power supply. if the fuse is good, you'll need to replace the power supply.

Jun 22, 2009 | Eiki EIP-2500 Multimedia Projector

1 Answer

Monitor Issue: 5 seconds of picture the monitor goes black.


I had this similar problem. I found out that there was a bad 1000uf, 16V cap on the power supply board. The cap is too close to a heat sink and over heated. I bought the cap at radio shack for $2, installed it so that it is far away from the heat sink. Monitor now stays on when powered up.

These monitors are difficult to open.

After removing the stand, you need to insert a flat screw driver at the bottom of the screen where two slots are located. Then work the screw driver around until the two plastic pieces are separated. Remove the cover plate and unscrew the push buttons. Unplug the monitor cords from the driver board. Unscrew the mounting screws from the power supply board and remove. You will need to pinch the plastic support in the middle of the board to remove. Unsolder the cap. It is located near a copper heat sink and the value will be on the cap. It will be buldged up on the top. You will see burn marks on the board surrounding the cap. Install the new cap and solder. Be careful not to solder across joints.

Reassemble and turn on. Should solve the problem

Dec 16, 2008 | Computers & Internet

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