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My driver is write protected.how can i fix it

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I believe YOUR computer is infected by virus, I suggest you to scan your computer for virus first.

Posted on Oct 01, 2010

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SHUTTING DOWN


Fixing unit protection circuit trouble
0101 When there is a short-circuit detection error in the halogen heater (ASIC detection)
Check the connection of the J114 jack of the AC driver PCB, and replace the AC driver PCB (triac short).
Replace the Pressure heater.
Replace the Fixing unit.
Replace the DC controller PCB 2 (MAISY).

Apr 15, 2014 | Canon irc5185i

1 Answer

I have recently receieved No Audio from my SA-DX940 stereo. Is there something I can fix myself to help avoid destroying the stereo completely? Thanks, Scott K.


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be your output drivers- the MOSFETS/IC's fitted for both the channels, Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise like a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.
You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the protect is off then check for short on the speakers.

Aug 12, 2011 | Technics SA-DX940

1 Answer

Every time i turn the receiver on, the word "protector" keeps flashing and nothing works at all. what is the problem? how can i fix it?


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be your output drivers- the MOSFETS/IC's fitted for both the channels, Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise like a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.
You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the protect is off then check for short on the speakers.

Jul 26, 2011 | Sony STR-GX700ES

1 Answer

I purchased a used sony xm-ds1600p5 amp, it turns on, but there's no sound. I opened it and looked around for anything "out of place", and found 3 fried resistors and 3 fried MOSFET...


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be your output drivers- the MOSFETS/IC's fitted for both the channels, Use a meter after disconnecting to check for short in the drivers.Now that you have found the damaged components you can change them.

These items can be pruchased from any electronic spares parts shop.

After the job is done before you power please check the following:

Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise like a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.
You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the protect is off then check for short on the speakers.

Jul 12, 2011 | Car Audio & Video

1 Answer

I have a two way peavey p115 speaker system and audio has stopped coming out of the high frequency driver . I tested the high frequency driver with a multi meter and it is fines.I also have a working...


Testing the driver with an ohmmeter is incomplete test. Sometimes the magnets break off the drivers rendering no sound. Sometimes the voice coil shorts and if you don't interpret the ohmmeter readings correctly you can overlook a faulty driver. Remove the horn and look for damage such as lost magnet from the back. Also the peavey cabs have a protection circuit so if you did not try another speaker to the same wores going to the driver, it may be the Polyfuse on the protection circuit or other components.

May 02, 2011 | Peavey PV 115 Speaker PA Passive

1 Answer

Hi home audio is bad how can i fix it up..Not coming ..


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise which can be a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board. Maybe the protect circuit by itself is shutting off due to a faulty bias or there is a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the amplifier comes out of the protect mode then check for short on the speakers.

Mar 30, 2011 | Audio Players & Recorders

1 Answer

I melted the input for my 12 volt connection well just the plastic around it. Is there anyways i can fix this, or does someone know where i would be able to send it in to be fixed? My amp still gets power,...


The high current drain due to a possible short in the sub output drivers must have pushed the connectors to melt off and fail.
Your amplifier driver MOSFETS might have shorted to bring about the protection on. Make sure that the wiring to the sub woofer is not touching a ground or shorting.
You can ask any audio tech. to have a look within and test for shorted driver outputs.

Sep 17, 2010 | Digital Audio 1500 WATTS CLASS D MONO...

1 Answer

I have kingston pen drive 32 gb which is write protected .what i


The write protected message appears due to many reasons detailed steps to fix the issue can be found from the following link
http://www.troublefixers.com/remove-write-protection-on-usb-pen-drive-or-memory-card-or-ipod/

May 28, 2010 | Kingston (DTIU3/2GB) 2 GB USB Hard Drive

1 Answer

When a floppy disc is inserted it flashes disk


The floppy driver has an internal switch that detects when the floppy disk is protected or not.

It is likely such switch is damaged.

It is necessary to open the camera and the floppy drive to fix it.

If you have experience and skills in fixing electronic devices, or want to try it, then you can try its repair.

The alternative is to pay to have repaired, but is more likely that the quote you will receive is to replace the whole floppy drive, which costs around $40.00 plus the repair labor.

Regards,

Jul 08, 2009 | Sony Mavica MVC-FD100 Digital Camera

1 Answer

TX-DS838 shows protect and then shuts down


yes , Im afraid you have a chip gone , If you open the unit up you'll see a alloy heatsink with 4 to 8 large chips screwed to it , These are the amp drivers , In between these chips you see a smaller one (that is the protect chip),You see when things get a little hot this chip is designed to break sooner that the more expensive main amp chips , In the past ive unsoldered these and still found the amp driver bust too ,dont worry though , maplins or even farnell(cpc) on the web will supply these for less than a tenner..If you wanna test my fix then just unsolder the littlest chip on the main heatsink and it should start to work again but with NO protection(unplug it first before taking it to bits)

Jun 06, 2009 | Onkyo TX-DS838 Receiver

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