Question about JVC UX-S57 CD Shelf System

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Faulty sterio continually blows fuse above mains connection

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The fuse is usually right, and preventing a fire and worse. If you connected your speakers reasonably (do check it; perhaps someone else has issues with your tastes and rewired them) and it draws more than 5W when run quiet (try a Watt-Mizer or such unit to check it) then either it was made very badly or the dust in your house is made of metals (you would know!)
You could test it with the speakers disconnected and volume down to test that first, if you like. Connect one and see how that goes, then the other. It's certainly possible they wired a speaker sloppily inside, and/or advised you to stick wires in too far, but it would make little sound (due to the short).... Sound is very low-power and doesn't take 2000W unless you want to emulate a 50x scale cello or 1/1000 scale jet.

Posted on Feb 23, 2008

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Posted on Jan 02, 2017

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Citroen xsara picasso 2.0hdi battery fuse keeps blowing.


If it's the main Fuse, rated above 40Amps, then usually only two components are directly connected to this circuit. The starter motor and the alternator. Both can get critical short to ground, that may blow such fuse.The thick battery cable goes directly to the starter motor and a smaller high amp wire is looped from there to the alternator. Third less likely would be main supply to ignition key switch.

Mar 21, 2014 | 2001 Citroen Xsara

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Electric dryer will not heat?


If the electric dryer does not heat at all then there are some possibilities that have to be checked to confirm the fault.
1)check whether you are getting power to the dryer from electric out let to which the dryer is connected. The power problem can also occur if the fuse is blown or the circuit breaker is got tripped.
2) Other possibility for dryer not heating is the blown thermal fuse. The thermal fuse is located to the exhaust duct inside the back cover panel. This fuse blows out if the dryer gets overheated or any short circuit occurs in the house when dryer is in working.
3) The other possibility if the power is ok and if the thermal fuse is ok. Then the problem can be due to fault in the heating element. The heating element looks like a long coil of special wire. You can check heating elements continuity with an ohm meter. If there is no continuity that means the element is bad and you need to replace it. The heating elements cannot be repaired it should be replaced if faulty.
4) But if all the above mentioned possibilities checks out OK, and still the same problem, then there is a fault in the wiring. Check the main power cord of the dryer which you connect in the electric out let. If the power wire is got internally burned out or got cut in between the dryer will not get proper power and will not work Due to partial power.
This will help. Thanks.

on Mar 23, 2010 | Dryers

1 Answer

Treadmill blowing electrics when switched on


Step 1:

1) please use desk lamp and connect in outlet wall, where the treadmill is connected.
2) if the breaker or fuse is blown, the problem is the outlet wall.
3) Test the wire ground with DVOM, if there are touching with another wires inside of the outlet
4) test the another wires white + black, if there are touching, or there connecting with the carcase from the outlet and repair.

Step 2:

1) if the problem if the machine: please test the power cord use the DVOM for continuity

see the video for measure continuity
2) test the main switch from treadmill
3) test the reset switch for continuity
4) test the fuse +c.breaker for faulty with contunuity and repair
5) test the power supply continuit see the block diagram

1_7_2013_4_33_20_pm.gif1_7_2013_4_33_45_pm.jpg

Step 3:

please test the main motor for open or faulty see my personal TIPS for motor help.
2) test the output main board , for input voltage motor, if there are NOT the board is faulty,replace the boaatd use the DVOM for measure Voltage.
use the diagram above mentioned.

Jan 07, 2013 | Exercise & Fitness

1 Answer

Fuse keeps blowing to my dash guages in my 95 gmc sierra why?


have you recently installed a new radio ? I have knowen people to install radiosincorectly the dim wire behind the radio shows as a earth. however when you turn headlights on this becomes a positive. if you have wired this wire to your sterio this is whyyour dash lights & internal cab light etc keep blowing.. if your wondering why sterio still works is because its earthed through the aerial or mounting bolts.

Jan 05, 2013 | 1995 Chevrolet Silverado 2500

1 Answer

99 explorer headlights not working


Some short even is there , check wires in good condition, or re-wire headlight, check harnesses and ground connections about this system.

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2 Answers

When turn on it blows the fuse


There must be a diode that is faulty in the power supply section mainly on of the rectifying diodes.
If you look closely at your board you will see four diodes that just after the fuse and befroe the Big capaictor(filter cap.) One of these four diodes must be faulty as the fuse keeps blowing. the diodes are responsible of current limitation drawback. So there must be current flowing back to the fuse that makes it keep blowing.
Check and replace. Good luck
Thanks for using Fixya.

G.

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1 Answer

Hi i have an 1986 toyota 4runner the dash lights and running lights stopped working... fuse is blown and checked wires in the tail lights, marker lights and behind the dash with no luck... is there a...


The tail and marker lights and Instrument lights are on the same circuit so both will go out if the fuse for this circuit blows. If fuse continues to fail, check the tail light or marker globes, including the globes for the number plate, for a globe that may have an internal short causing the fault and replace as necessary. As you have already checked the wiring near the light fittings for any chafed wires that could be shorting to the body causing the fault, then a closer inspection of the wires inside all the light assemblies for any shorts may be needed.

It could also be that the instrument dimmer control has failed and is causing the fault. The electronic bits inside the dimmer control for these lights sometimes go faulty. Try disconnecting the connecting plug on the rear of the dimmer control and checking if fuse still blows. If fuse continues to fail, then the fault in the tail and marker lights circuit.

Remove all the tail, number plate and running light globes from the light assemblies and leave the instrument dimmer control disconnected and check if fuse still blows.

Disconnect the plug near each of the light assemblies to see if any of the individual assemblies is causing the fault. With all light assemblies disconnected and fuse continues to fail, then the fault must be in the main wiring loom some where.

If you have a Multimeter, it could be used to determine which light assembly has a fault between the lamp supply and earth connection.

Feb 25, 2011 | 1987 Toyota 4Runner

3 Answers

Hi, I have a Hatachi AXM89MP3uk sterio that will be 2yrs old on 23rd Dec. It has just stopped giving any output. No buzz as the speakers are connected or disconnected and the same for the headphone...


I had this problem and found that it was a capacitor broken on the main circuit board. It was capacitor 639 which is a 20nF ceramic capacitor. I only had a 100nF so switched the faulty one for this, replaced the fuse F2 and it now works fine. If the fuse is blowing It is most likely this capacitor or the one above it, or the diodes next to them. When this capacitor breaks it puts 28Vac across the fuse and blows it. If you can use a soldering iron its not too difficult to fix. Hope this helps.

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1 Answer

Error


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1 Answer

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The outputs on this unit are defective. This unit requires service. This is a very common model and teh repair should not be too expensive. Figure between $15 and $40 for parts plus the local labor rate.
Dan

Mar 25, 2008 | Audio Players & Recorders

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