Question about Alpine MRD-M1005 Car Audio Amplifier

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Mrd-m1005 amp fans not never turned on?

The cooling fans do not come on at all, is there a menu to set the temp they come on or is there a secret menu i can access,
also what is the shut off temp of this amp, it has gone up to 60 dergrees celcius and not shut down is that to hot?

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  • sickd Dec 09, 2008

    thank you heaps for that, i should have checked this earlier cos i cut the cover and installed a 80mm cooling fan lol oh well now they be very cool thank you,

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The fanns will come on around 75c they are preset 60 is not that hot for an amp but the cooler you can keep it the better it sounds

Posted on Dec 01, 2008

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My philips #55pp935217 will come on fine and then it will cut off 1 or 2 min later.


I am assuming the TV in question is a DLP type television - the following comments pertain to that type of Phillips or Magnvaox TV only.

Typically this problem is caused by defective or weak cooling fans in the TV. I believe on that model there are two fans - one is located under the bulb assembly and the other is located on the side of the TV case at one of the vents. If this model is like other Phillips DLP TV's you can check the fans by doing the following with your remote to access the "secret" set-up menu:

Select "source" on the remote
hit the up arrow on the remote twice
hit the down arrow on the remote twice
hit the left arrow
hit the right arrow
hit the left arrow
hit the right arrow

Once you've done the above you should see a black and white menu superimposed on the screen. Select the item that says something like "thermal status" or "thermal properties" and look at the RPM of the two fans. The speed of the fans both need to be above 1500 rpm and should be close to 2000 rpm if they are working properly. If the fan speeds are too low the TV will shut down after only a few minutes. Obviously if you are having this shut down problem you will need to go through the above process quickly to see what's going on before the TV shuts off.

Dec 31, 2014 | Philips Televison & Video

Tip

Laptop is turning off by itself.


Hi.

If your computer turns off after idling for a while, then check power saving settings, accessible from control panel.

If laptop turns off while you are using it, try first reinstalling the system to exclude system problems, or test the laptop starting OS from CD or staying in Bios settings mode, so to exclude installed system.

If laptop is still shutting down, then problem may be overheating.

Overheating usually happens when the fan is not coming , therefore when the computer overheats.Or the fan is not cooling enough and computer is overheating.

Monitor computer temperature using a software, check if Fan is coming up when temperature gets critical.

If fan comes up but does not cool enough, then replace the fan, it is not efficient anymore because of a bad bearing or dust. ~Also ensure that fan is well mounted, if fan has poor contact with CPU surface , cooling will be poor.

If fan does not come up, and critical temp is not detected, then the sensor on motherboard is bad, this is very uncommon. When this happens the problem is usually related to system or power settiings , rather than overheating.

If fan does not come up and temp is critical, then fan is faulty, replace it.

There are also more than one fan on many laptops, check that one of the fans (CPU fan, video fan) is not completely ded, and therefore cause for the problem.

By using the software below you can also find out if the problem is really overheating. If temperature results within normal range, then usually it is not overheating.In that case test systtem and check power saving settings.

Here is the software to control your fan and temp. sensor state:

Download SpeedFan - Access temperature sensor in your computer

Download SpeedFan 4.38

SpeedFan - Free software download

on Oct 25, 2009 | HP Pavilion dv2000t 14.1" Notebook Laptop...

1 Answer

The fan wont work car does not get hot shut off


cooling fan works on a temp sensor in the engine block. it only turns on when the temp reaches a set limit and shuts off when it gets below a set limit.. cooling fan components are , fans, fan relay , and temp sensor . best way to test the fans would be to let the car set running and watch the temp till it goes up to 185 -195 deg. at this time the fans should turn on and the thermostat should open and cool the engine back down. also when ever the air conditioning is on so should the cooling fans be on. if the fans do not run the check all components till you find the broken one. fan relay and air conditioning relay are separate but work the same. and will interchange

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1 Answer

Cooling fan quits running


That is normal. The fan is control by the coolant temperature. It will only run at a certain temp and then shut off when it cools below that set temp..

Oct 15, 2012 | 1998 Honda Civic

1 Answer

Rheem split system condenser high pressure limit/safety needs resetting frequently before it reaches the set temp of 76 degrees faren. what's wrong and what do i need to check?


Is the outdoor fan running? The fan cools the coils and compressor, therefore keeping the high pressure low enough to run. Either the fan is not working or its not spinning fast enough. Check the capacitor, or just replace it.

Apr 18, 2017 | Heating & Cooling

2 Answers

My 50 inch magnavox takes ten to twelve trys to get it to stay on it repeatedly shuts off on its own and the red lights come on


Hello,

It's the problem of overheating in the power supply board of the TV.on the power supply board of the TV there are few capacitors and IC.any of this ic is got short or may be weak.so due to this when you start the TV the current passes from electric outlet to the power supply board of TV.but when the current passes from that weak/faulty part at that time current gets stopped or slow and the board overheats and TV shuts off. this is a common problem faced by many other users too.the possible option to solve this issue is to check the power supply board by a meter and continuity tester and replace the faulty component on the board which is short due to which power supply board is getting overheated.its bit technical job but yes its not at all a costly repair to do or get it done by the technician. for required parts it can be easily available from local electronic hardware shop.
Take care in solving the problem.....

May 18, 2011 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

1 Answer

Eob5630w oven shutting down before set temp isreaced aprox 198c also cooling fan not comingon


The reason the oven is shutting down is because it is overheating due to the cooling fan not working, and a safety thermostat is turning the oven off.
You need to repair or replace the exterior cooling fan.

Jan 05, 2011 | Electrolux EOB5630 Ultrafan Electric...

4 Answers

Hp paviolon dv2000 shuts down by itself


Hi.
If computer turns off when idle, then check power saving settings, accessible from control panel.
If laptop turns off while you are using it, try first reinstalling the system to exclude system problems, or test the laptop starting OS from CD or staying in Bios settings mode, so to exclude installed system.
If laptop is still shutting down, then problem may be overheating.
Overheating usually happens when the fan is not coming , therefore when the computer overheats.Or the fan is not cooling enough and computer is overheating.

Monitor computer temperature using a software, check if Fan is coming up when temperature gets critical.

If fan comes up but does not cool enough, then replace the fan, it is not efficient anymore because of a bad bearing or dust. ~Also ensure that fan is well mounted, if fan has poor contact with CPU surface , cooling will be poor.

If fan does not come up, and critical temp is not detected, then the sensor on motherboard is bad, this is very uncommon. When this happens the problem is usually related to system or power settiings , rather than overheating.

If fan does not come up and temp is critical, then fan is faulty, replace it.

There are also more than one fan on many laptops, check that one of the fans (CPU fan, video fan) is not completely ded, and therefore cause for the problem.

By using the software below you can also find out if the problem is really overheating. If temperature results within normal range, then usually it is not overheating.In that case test systtem and check power saving settings.

Here is the software to control your fan and temp. sensor state:

Download SpeedFan - Access temperature sensor in your computer

Download SpeedFan 4.38

SpeedFan - Free software download

Oct 25, 2009 | HP Pavilion dv2000t 14.1" Notebook Laptop...

1 Answer

When I hook my JL W7 sub to my alpine mrd m1005 amp the sub is pushed out and stays that way


Hello christensen7,

It sounds like there's DC current on the amp output terminals. Disconnect the sub and test the output with a multimeter. If there's DC there, most likely the amp is shorted internally and needs repair.

Hope this helps.

Aug 17, 2009 | Alpine MRD-M1005 Car Audio Amplifier

1 Answer

When I hook my JL W7 sub to my alpine mrd m1005


You need to have the amp bench tested at a car audio shop. Sounds like a dead short in the amp. Try turning the crossover on the sub "off" and connect any other speaker to it. if you have the same outcome, your amp needs serviced. Post a comment with your results and if I can think of anything else you could try beyond that I will. Hope this helps

Aug 17, 2009 | Car Audio & Video

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