Question about Archos Jukebox AV320 20 GB Digital Media Player

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Battery/Power Problem fuse change fix?

My AV320 doesn't charge at all now and I think I need to replace a tiny fuse on the face of the board with a safety resistor as other people have apparently had good luck with this fix. Question: how I do find the right safety resistor and it is difficult to replace? I've never used a soldering gun or opened a unit like this. Or are there services that do this sort of thing for a nominal fee? Thanks. :-)

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Yes is a very cheap job to the tech becouse there are no trobleshooting charge,,, the resistors are a much variety of its class they comes in wattage varietys and in types, like wire wound or carbon film then ceramic type or open core ones your tech will know wich of them have to use and for acct as fuse most be a cheap low homs one maybe less than a dolar resistor here we chare $20.00 but I dont know who much is the diferense in your area,, in other hand you can spoil the equipment try to open it and thas could be expensive to repair the damage you made and the resistor sustitution...good luck and rate me..

Posted on Jan 20, 2008

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Posted on Jan 02, 2017

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Has anyone else had problems with the BOSCH "BC004" Battery Charger???


The problem is resistor R3 on the circuit board.
Since there is 310 Volts (!) across this resistor, I would highly recommend taking it to a TV repair shop for repair unless you know exactly what you are doing and have the skills for repairing a PC board. Take this email with you when you go there.
Be sure !!! to discharge the two large capacitors with a 10K resistor before attempting this repair - for days they will retain 165 Volts each across them after the power plug is pulled.
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Ok, I have recently been the fortunate one in my family to be given a Philips proscreen 4600 b projector. The only problem, so far, is it will not turn on, at all...think that's why it was given to me...


Hello, welcome to Fixya!

Your unit is having a power fault because it is not switching on. The unit 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 not making it to power on.

First, remove the unit's power cord from the wall, wait for about 30mins, then plug it back in. If it doesn't power on, plug it into another outlet, to make sure there electric current entering into the unit.

If plugging into another power outlet doesn't power it on then it confirms that the unit is having a power fault.

When electric current comes from the power outlet into the unit, it goes straight into the power supply board which then circulates the current into the unit. So if the receiver doesn't power on, the first thing is to make sure there is power entering into the unit.

So check the power cord, if it is a 3-pin plug, it must have a fuse in it. check the fuse if it is not blown. if fuse is intact, then power supply board should be checked.

This unit must have a power supply board in it where power enters from the mains. A capacitor, fuse, diode, etc may have been defective on the power board and maybe that's why its not making the unit turn on. There might also be some disconnection or something, inside the unit which is not making it to power on.

To actually find out what's wrong, you need to disassemble the unit with a screw driver and check what's wrong. You will be needing a meter and continuity tester in order to read the components on the power board. Once you detect any bad component, you can make necessary replacement at any electronics accessories store withing our vicinity. This is the only way by which you can detect and solve the problem.

Of course, testing the power board with a meter will require someone that has the ability. So it you can't, 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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If the battery is charged and you get no power when trying to turn on the DS lite, either fuse F1 or F2 is burned out. This is a tiny internal part that can be fixed by a repairman.

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The contact springs most likely have nothing to do with your screen being black.
The watch will have an "AC" or all clear function that needs to be performed. Check the back lid for AC or reset instructions. If there are no instructions there then you will have to visit a watch repairman/technician to have this procedure performed as it involves touching the AC pad on the circuit board to the back of the battery already installed. The circuit board is easily damaged if not performed properly.

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ggiamber,

This is a common problem on the T4x series. Motherboard usually dies after a couple of years. Youĺl need to look for a new motherboard or have it fixed.

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Mainboard shutdown


Never do that to fuses, search the web (especially the site of your laptop's maker) for common cures to your situation, and failing diagnosis recommending a particular cure, don't do stuff at random.  That sort of thing sort of sounds like a battery issue; won't the thing come on with no battery, but the power power connected?

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Most laptops, as in 99%, have one board and everything is on it. They don't really have a power supply since the AC adpater provides DC voltage already. There is just a voltage divider that take the incomming voltage and changes it to the various voltages the machine needs. The charging mechanism is also on the mainboard. I've very seldom seen a seperate power or charging board in a laptop. Unfortunately since you've already replaced the battery and the ac adapter and since the adapter is powering the laptop then there is definitely a problem with the charging circuitry on the mainboard. This isn't something one can repair unless you start changing micro components and ICs on the board which isn't recommended. Looks like a new mainboard or a new laptop is in your future if you want it to run off battery.

Another option is to get an external battery that mimics your ac adapter but that wouldn't give you a very long run time compared to the internal battery.

Don't forget to rate my solution in your premium thread as FixYa if you think I helped solve your problem. Thanks.

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Pop the face plate off with your thumb nail right uner the Garmin logo. On the right side you will see a reset button. Depress it for 2 seconds. Replace face plate and power back on.

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