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Where are locations of fuses on a570IS board

A jacked a non standard dc adaptor to my camera and now my camera is dead. i want to replace fuses but i don't know where to look.

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  • Hmd Shokri Mar 23, 2014

    canon powershot a570 IS

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  • Cameras Master
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See my answer for the same question earlier.

Posted on Mar 23, 2014

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My canon powershot "A570 IS" is dead I'm looking forlocation of fuses on pcb


I'm afraid you are looking for a thing that is not in the camera. There are no fuses in a camera. Sometimes electronic equipment has a diode, to prevent damage by connecting the wrong way around (reversed battery or so) but a fuse in a camera? no!!

Mar 23, 2014 | Canon PowerShot A570 IS Digital Camera

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Battery won?t charge and AC adaptor not recognized


I have a Dell Inspiron 6000 that just turned two years old.

After one year, my dell 6-cell battery started to falter, so Ipurchased a new 9-cell battery. This worked fine until a couple ofmonths ago when I noticed that my 65W adaptor was frayed. I bought anew 65W Dell Inspiron 6000 ac adapter andit worked well for about a week until I noticed that my battery wasn’tcharging at times. If I was patient, or unplugged the adapter andplugged it back in, the battery began charging and all was saved.
dell-inspiron-6000-laptop-battery.jpg?w=200
This lasted only a short time until my Dell Inspiron 6000 batterywouldn’t charge at all for long periods of time, and sometimes thecomputer wouldn’t turn on, even if plugged into the wall. I thought itmight still be the adaptor, so I borrowed a fully functioning 90W Delladapter from a family member to test the system. This worked better,but still not great.

When I removed the battery and started only fromAC power, the functionality was also intermittent. Usually, if thecomputer actually started, I received the start-up error “The Inspiron 6000 AC AdapterType could not be determined, etc. etc. etc.” After pressing F1, thecomputer booted, but if the battery wasn’t in, the computer didn’tusually last long before shutting off. Unsure if maybe the battery wasthe problem, I put the 6-cell Inspiron 6000 batteryback in, and it too wouldn’t charge, although (together with the 90Wadapter) my computer would at least start more consistently if pluggedin. The error remained however, and sometimes the system stopsrecognizing power and switches to my ever dwindling battery power untilthe adapter is recognized again.
90-06009-010_replacement-dell-inspiron-6000.jpg
The problem is with the jack on the motherboard inside our Inspiron 6000’s. This is the jack you plug your power plug into on the back of the laptop.

Somehow the jack gets worn and does not make correct contact withthe laptop so the Laptop does not see the power supply as a legit Dellbrand. So the powersupply will not charge the laptop battery and run the laptop at the same time.

DC power jack repair guide. Do-it-yourself instructions.

Modern laptops are all sold with built-in wireless laptop ac adapter.Some power notebooks used by corporate road warriors will have powerfulcellular adapters that connect the laptop to the Internet via the cellphone infrastructure

A bad connection between DC-IN power jack on the system board and the system board is a very common problem with dell pa 12,dell e1505 and Dell Inspiron 6000notebooks. If your laptop is out of warranty, then you can fix theproblem by resoldering DC-IN jack on the system board. If it’s stillunder warranty, it would be fixed at no charge to you. Problem symptoms:
93-06070-002_replacement-dell-pa-12.jpg
  • Laptop randomly shuts down without any warning.
  • Power LED and battery charge LED start flickering when you wigglethe power cord or the AC adapter tip on the back or your laptop.
  • The battery will not get charged.
  • When you plug ac adapter for laptop, the laptop appears to be dead and there is no LED * activity at all (DC-IN jack on the system board is broken).
To fix the problem, you have to take your laptop apart, remove the system board to resoleder or replace the DC-IN jack. dell pa 12 and Dell Inspiron 6000 disassembly guides will help you to remove the system board. Take a closer look at the power jack on the system laptop board witha magnifying glass. In most cases you get the power problem because ofa bad connection between the DC jack and the system board, you’ll see acrack between the DC jack connector and the system board.

on Jan 22, 2010 | Computers & Internet

1 Answer

Canon powershot "A570 IS" is dead I'm looking for location of fuses on pcb


Cameras do not typically have fuses for protection as they have specific batteries that will not damage the pcboard in the camera. If any components were damaged you would probably need to have it replace.

Mar 23, 2014 | Canon PowerShot A570 IS Digital Camera

1 Answer

AC Power Adaptor LED won't stay on to power PC


First you you should test the AC power adaptor properly, then if it is in good conditions is important to test the electric circuit in the motherboard in order to find any trouble. There is a SMD fuse between de DC power jack and the rest of the circuit.

Jan 06, 2014 | Computers & Internet

1 Answer

Camera still dead with a new charged battery. Is it possible to overcharge a battery so it won't work?


If you have another battery definitely give it a try, most likely it won't work either. The problem is probably the fuse located on the DC/DC board that has 'blown' causing there to be no power. Replace the board and the camera should work fine. Canon will probably charge $175 or so for the repair.

Hope this helps.

Thomas

Sep 07, 2011 | Canon Rebel XT / EOS 350D Digital Camera

2 Answers

My Asus Altec will not power up is there a reset on this laptop. it's not that old so I don't think the battery is dead. and I don't think is a problem with the power supply


There is no reset as such, however you can try the old trick of removing the battery and ac adaptor, pressing the power on button and holding for 30 seconds, then reconnecting the mains supply (not battery) and see if it will then boot.

If this fails, you need to check the following:

  • check the power supply, the led should be bright green and not flashing, if it is, suspect the power is not reaching the laptop.
  • Check the security of the dc jack as it enters the laptop, if loose or sloppy, the jack port will need replacing
  • With a multimeter set to 20 volts,and the power supply plugged in, touch the RED terminal of the meter to the INNER part of the jack and the BLACK terminal to the outer of the jack. Getting less than 20 volts (give or take a couple of volts) means the adaptor is not putting out power.
  • If this fails, and / or you try another adaptor and it fails also, you will need to open the laptop. (google for a manual on this or you tube video)
  • On the motherboard, there will be a small ceramic fuse near the DC jack, using a multimeter set to OHMS, touch one probe to to one side of the fuse and the other to the opposite side, you should get a reading, if not, the main fuse is blown and will need replacing. (There may be another fuse near the battery, test this also to prove the battery circuit is working)
  • If the fuse gives a reading, I THINK this laptop has a DC jack with wire to motherboard not soldered onto the board, again using the multimeter set to OHMS, probe the positive (inner part of the jack socket) and connect the other probe to the terminal that connects to the motherboard (positive terminal) There may be 4 connections, 2 neg and 2 pos.
  • If the test fails, replace the socket.
After that, the likelihood is that there is a fault on the board and will need more specialist investigation

Jul 18, 2011 | ASUS K52n-a1 Notebook

1 Answer

No power. no lights. I have checked the power cord and its like there is no power


Firstly check that there is power to the Ac adaptor, this can be done by seeing if the green power indicator light is on on the adaptor body.

If not, then you have a defective plug, blown 3 amp fuse or the adaptor is fried (not uncommon)
If you have a multimeter, you can set it to 20 volts DC and with the adaptor pligged into the mains, test the DC JACK end! by putting the red probe to the inner part of the jack and the black to the outer part, if no reading, then assume the adaptor is dead.

Best way to check is by testing with an adaptor (universal charger type) to see if that works.

Assuming the adaptor is putting out power, check the output with a multimeter as above and see if the voltage is at the correct level (think its 19 volts on that model). If it is, then move on to the DC jack connection on the netbook

Watch the power indicator on the adaptor, if it is not steady green (ie flashes on and off), ther power is not making a circuit in the alptop and is being "spat back", this can be anything from a blown circuit board in the power circuit, to something as simple as a motherboard main fuse.

If there is a staedy green light but no power at the netbook and the jack connection at the netbook is firm and not sloppy or loose, then you will need to have the netbook dismantled and the fuse checked ( this will also need to happen if the jack connection is loose.

Sometimes, removing the battery, pressing the power button on (with the adapator unplugged) for 30 seconds and repowering with the ac adaptor can reboot the system, but I'd be inclined to suspect the adaptor first

Apr 22, 2011 | Acer Aspire One PC Notebook

1 Answer

Turns off after few seconds with batery or with the power cord only. never turn on the monitor, just fans sound for 5 seconds and stop rotate and the start blue botton light remains on.


Check the battery is charged first and that power is getting to the laptop by the DC Jack. You can test this by setting a multimeter to 20V DC and touching one probe to the inner part of the DC jack and the other probe to the Outer (earth) of the DC jack (red to inner black to outer). I'm assuming the fuse in the plug of the adaptor is ok...

If there is power getting to the DC jack, check the connection to the DC jack socket on the motherboard, if it feels sloppy or loose, this is where the problem may be.

If the fit is tight and the AC adaptor is supplying power, you could have a ram issue. Romove each ram module in turn and try to see if the laptop boots then, if one stops it booting, it needs replaced.

Failing this, you could have a fault on the motherboard which will need technical investigation

Jan 02, 2011 | Computers & Internet

1 Answer

Power issue Toshiba Satellite m35x-s161


Unfortunately there are many sellers of DC jacks for your model and several others. Some of these people sell sub-standard DC jack replacements which are not designed for your laptop, but will fit in the same hole. If the mount points for your DC jack didn't fit the same pattern as your original one then it simply is not the right jack for your laptop. You can suffer issues such as improper grounding, voltage applied to ground and vice versa with some severe consequences. This can damage not only your charging circuit, but may well cause your battery to overheat and rupture. Remember, that not all DC jacks are designed the same way, In fact most manufacturers design their jacks as different from the competition as possible, whether this is their intent or not is irrelevant. Your Dc Jack, however suffers from the dreaded floating pin problem. The main bullet type pin you see at the middle of your jack tends to separate and spin freely, and can be repaired by simply soldering the pin mount on the back. Try repairing the pin on your original jack and reinstalling until a new jack can be found and I'd be willing to bet your problem goes away.

Mar 14, 2010 | Computers & Internet

1 Answer

Camcorder won't charge up


Its problem of DC-IN jack where you hook ac charger. This jack needs to be replaced.
Let me know exact model of camcorder to provide you part number of DC-In jack.

Jan 17, 2009 | Sony Handycam DCR-HC24E Mini DV Digital...

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