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Re: M-Audio BX5 - No Power
Don't bin! This should be a simple fault to rectify.
Fault finding technique as follows: Trace mains voltage up to main transformer - there could be a standby transformer with relay in parallel. Check mains voltage all the way until it stops. If you have voltage up to main transformer, check that you have low voltage at the other end - if not main transformer at fault. If you don't have, then check to see if you do have a standby transformer - much smaller and usually on small circuit board near where power comes in to speakers. They are notorious for blowing on many audio systems as they are constantly connected to mains unlike most of the other components - power spikes kill them in particular.
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If fuses blown there is a case to search for short circuited active parts examples are end-transistors caused by clipping speakers cable shorts leaking or convexed capacitors but any new fuse will blowing again and again also the bridge rectifier to make dc voltage inside the power supply of the subwoofer can caused this problem
There is two possibillities to fuse blown off due to hi current flowing through fuse more than 3amp.because power supply componant like rectifying diode, filter capacitor or regulator ic ,regulator transistor shall be short circuited.
if you are tech......just remove amp. supply.from main power supply...try with another fuse........if fuse ok, fault is amp side, or if fuse blow off ...power side problem just....maximum fault comming on varistor ,diode, filter capacitor, .........
if you are not tech......... give to local authorised tech.......
This is power problem, the cable might be ok but power might not be getting to the panel to power on the monitor, i will advice you give the monitor to a local repairer to help diagnose the panel on your monitor, the power diode on the panel might be bad or burnt, and will need replacement.
This is the best option since you are not electronically inclined.
You have to open the dvd player to check for blown fuses, if otherwise a bulged capacitors, then if otherwise you have get a new power supply board to the DVD player. NOTES. The power cable has fuses, do check that and if faulty, replace the power cable....
This set is a 50" plasma. first check the AC power fuse on the filter board then: if it is bad: check the power supply by marking and, removing all the cables; (so you can put them back in the correct spot) except the filter board to power supply cable; that connects to the Power supply board. Then: replace the blown AC fuse and, re-power: If the power supply blows the fuse: again, the power supply is bad and, must be replaced or, repaired. If the fuse does not blow: turn off the set then: on again, reconnecting and, disconnecting each board cable in turn, untill the fuse blows again this cable leads to the bad board; replace or, repair the board that blows the AC fuse every time the bad board is connected, irregardless of which other cable to the power supply may be connected also; or, not.
Had the same problem, Insignia 32 would click on then go off. About 6 months ago I found (somewhere on the net) a guy who explained that he changed blown capacitors. As I recall he even posted a picture. I found the blown capacitors and replaced them with larger capacitors (less than $20) problem solved... But now my screen image is showing only half a picture and is pulsing on a off. I think I'm going to make a Wii commercial......GL
Hi Nikadis your problem is shorted,when you going to change new fuse its blown away.The diodes there in supply is shorted change that ,and the capacitor also short look it up.If you do this your unit will come on.message me whatever the result.