Question about Samsung HT-DB600 System

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Dsp protection Samsung HT-B600 when powered up DSP protection comes up and turns itself off I replaced the fan, and checked the old one it works fine. how do I reset the machine

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Look for user manuals at http://www.user-manual-search.com

Posted on Nov 28, 2007

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Resetting- taken from the user manual:

Posted on Jan 29, 2006

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I think you've answered your own question, circuit power is not going from one side of the DSP chip to the other and that suggests that the DSP's core is at-least partly DOA. You are indeed correct that functional power should be at 3.3V and yes 0.3V does make a difference to the components that rely on a 3.3V feed, however if the DSP is fried you are not going to see normal functionality or be able to diagnose further.

Sep 04, 2007 | Audio Players & Recorders

1 Answer

I have a Yamaha dsp ax1 when I turn the volume up the amplifier cuts out


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Aug 16, 2011 | Yamaha DSP-AX1 10-Channel Amplifier

1 Answer

Our Samsung HT-C6900W Theater System shut off yesterday and then said it was in protect mode, now we cant get it turn on. This system is only 3 months old. Can you help?


The problem is with the amplifier overheating so the system shuts down to protect itself.

Make sure the ventilation fan is not block or obstructed.

If this is OK then contact your supplier with the equipments warranty.

May 01, 2011 | Samsung HT-C6900W Theater System

1 Answer

Yamaha DSP-AX1 ,. When turning on it only stays on about 4-5 sec. then shut off. Bob


Is this new equipment or a new problem on working equipment?


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Yamaha-DSP-AX1-Amps-manual/id/319bh827/t/2/

See Troubleshooting Page 79

Impedance Selector in between settings

Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Apr 07, 2011 | Yamaha DSP-AX1 10-Channel Amplifier

1 Answer

My Yamaha DSP A1 after switching ON goes OF itself after 2-3 seconds! Please give me advice what to do Thanks, Alex


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Yamaha-DSP-A1-Amps-manual/id/319ag811/t/2/

See Page 73 Troubleshooting.

Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Mar 06, 2011 | Yamaha DSP-A1 Receiver

1 Answer

I have an amplifier DSP A 1000. When I turn it on it always working for a while, sometimes 1 hour sometimes just 15 minutes then turned off by it self. which circuit I should check?


Is it getting hot?

Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on or stay on.


Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.


Check for loose speaker connections as a root cause for intermittent shutdown.

Feb 14, 2011 | Yamaha DSP-A1000 5-Channel Amplifier

1 Answer

When turning on the power, DSP-A3090 turns itself off in a few seconds. What could be the problem? It sounds to me that some sort of a protection is acting. Is it difficult to fix or not? I will try to fix...


It might require you to register before you download it, but it is free.

http://downloads.nakedresource.com/hfe_download_centre/index.php?yamaha/yamaha_dsp-a3090_service.pdf

Generally speaking, an amp protects itself from heat, shorts and overloads.


Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 22, 2011 | Yamaha DSP-A3090 7-Channel Amplifier

1 Answer

Turning off and writing prot


It's not clear where you're seeing "protect" nor how you're connected to your TV so I have to make some assumptions.

The manual for the HT-BD2R wasn't available but the HT-BD2/HT-BD2S was...

http://www.retrevo.com/support/Samsung-HT-BD2-Home-Theater-Systems-manual/id/22986bh646/t/2/

Read the section of page 24 regarding HDCP and page 70 regarding Copy Protection.

--

If the unit is powering itself off...

Generally speaking, an amp protects itself from heat, shorts and overloads.

Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 15, 2011 | Samsung HT-BD2R 7.1 Channel Blu-ray Home...

3 Answers

Samsung home theater HT Z410 fan chk will not stay on anymore


Can you see or hear if the fan is running? Is there sufficient clearance (4 inches) between it and the nearest surface for airflow? Is it clogged up with dust bunnies? You may be able to fix it yourself.

Unplug the unit. Look inside the vent at the rear. Reach in with a non-conductive probe to see if the fan turns freely. If not, it's bound up and needs replacement or unclogging.

If it turns freely with power off but doesn't rotate with power on, it's dead.

If it turns sufficiently fast with power on and you still have Fan Check, it's a sensor.

Resolve this issue and it will probably stop trying to protect itself by shutting off.

Feb 08, 2010 | Audio Players & Recorders

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