Question about Marantz SR4500 Receiver

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Obstructed ventilation holes?marantz sr4500

Hi i have nice table its wooden and my amp just exactly fit to that table from left and right side means no space beetween right side and left side of amp and wood construction beside amp ihave lot of space and below amp same lot of space is that dangerous obstructed these left right side of amp i mean i have noticed that most of heat is behind and a below over the amp can u give me the advice??
Thx a lot

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If your amp doesnt have air vent fins on the sides you shouldnt have any problems with overheating

Posted on Oct 06, 2010

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Protect message


If you are using AV cables from your TV for movies and a different hookup for the X-Box would explain that the relay for the sound inside your unit may have blown from being overloaded or faulty. Should be an easy fix at a trusted electronic service place.I am not sure if your system has a manual reset button underneath or on back, but you could look for a tiny hole with reset on it or a red button. It may save you a trip to the doc.

Nov 11, 2007 | Marantz SR4500 Receiver

1 Answer

Games


Hello:-) I'm guessing you're new to mime craft!
You should collect wooden logs first and keep 16 and turn 16 in to pplanks :-)
Place 4 logs about 4 blocks apart forming a square. Dig up the ground an replace it with wooden planks.
Place a crafting table and make a wooden door place it anywhere on the outside.

**optional** get a furnace and cook sand to get glass for a nicer look
Place wooden planks inbetween the logs and on the top, walla you have a nice cosy house! Make thorchs! And good look

Apr 22, 2014 | HP Pavilion Slimline S3123W Desktop PC -...

1 Answer

Pride jazzy 1120


Page 44 of the manual for your chair specifies size NF-22 batteries if the power seat option is installed, otherwise size Group 24 can be used. (See this battery size table.) You should use batteries with the highest amp-hour rating that will fit and you can afford; the amp-hour rating determines how long you can run on a full charge. Evidently the power seat mechanism takes up space needed for the Group 24 (79 Amp-hour), so you have to go to the somewhat smaller NF-22 (55 Amp-hour). Don't mess around with a 50 Amp-hour battery at a higher price when the 55 A-hr units will fit.

Dec 02, 2013 | Health & Beauty

2 Answers

How much would a wooden changing table cost me? I'm having a baby next month but don't have much to spend.


If you're tight for money you don't have to buy a changing table. You can always buy a changing mat and use it on your bed, the couch or the floor. But if you really want to buy one, check out the toysrus page. They have changing tables for around $160 upwards http://www.toysrus.com/family/index.jsp?categoryId=2256272

Aug 14, 2012 | Baby Gear

1 Answer

Marantz sr4002 - Power light blinks but power will not come on. Tried the reset trick and no response. ???


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.

Aug 22, 2011 | Marantz SR4002

1 Answer

We have a Marantz sr4500, everytime we put it on it makes a Zzzzzz sound and then it turns off with a loud "buk" sound and shows protect on the amp's screen, after few seconds the amp turns...


It is not so easy to probe into to find 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.In this case I think that some capacitors are faulty as when the set is put on it charges on to make the amplifier work. Possible fault in the protect circuit or preamp.
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.

May 11, 2011 | Marantz SR4500 Receiver

3 Answers

How can i remove standby mode marantz sr3053


Resolve the issue.

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.

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

Apr 17, 2011 | Marantz SR8001

1 Answer

Power button light keeps flashing and sound gos my marantz sr4001b


Register and download the manual for free at retrevo.com


http://www.retrevo.com/s/Marantz-SR4001-Receivers-review-manual/id/511ag801/t/1-2/


Page 48: See the note at the lower right.


After "PROTECT" appears on the unit's display, the standby indicator may start flashing. if it does, there is a problem in the unit or the connection. If this problem reoccurs even when power is activated from the remote control unit, call for servicing.


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 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.


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


Feb 21, 2011 | Marantz SR4001

1 Answer

How do you program it without the remote


You can do it by using the arrow keys at the front panel.Study the user manual before that.

Dec 06, 2010 | Marantz SR4500 Receiver

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