Question about Samson Servo 120 Amplifier

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Fuse How to change a fuse on servo 120a

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Posted on Jan 02, 2017

caroldon
  • 17129 Answers

SOURCE: fuses keep blowing on my

If after putting in the right rating of fuse you have a blow out, then you must diconnect the speakers and test. If the fuse hold ok then the speakers must be checked for shorting or fault in the network. However if the fuse still blows off, then you will need to take out the cover to test within the main board for the power section or output section malfunctioning. First of all discconnect the power to the output stages and test, if fuses blows check the powersuppy section, the rectifier to the main capacitors for reduced values. If not check on the output stages, the drivers, the predrivers for malfunctioning. However you will need some knowledge of electronics to probe stage by stage to isolate the fault.If not get help to proceed. Good day

Posted on Aug 04, 2010

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1 Answer

Does a 2005 kia sedona have a alt fuse,,if so where is it,,battery and brake light comes on while driving


The alternator is protected by the 120A MAIN FUSE in the engine compartment fuse/relay box.

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The part nummer to the fuse 120a 4runner 2001


Contact a Toyota dealer parts department and they will look it up for you.

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How do I replace the 120A main fuse in my 2005 Mazda Atenza?


disconnect the battery , the 120 amp fuse is a complete unit that is housed in a plastic case, that needs to be pulled out , it will be very tight and may break but keep pulling

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Hooked cable up wrong i think i blew the main fuse


Open fuse box under hood, inspect main fuse probably blown. May be labeled 80A,100A or 120A.

Jan 25, 2014 | 1991 Honda Accord

1 Answer

No sound coming with protection light on


It's either overheated or you may have faulty speaker wiring or a shorted speaker. These directions come from a Samson servo 120a but the theory is the same.

The following conditions will cause the Protection LED to go on:

Initial power-up: For approximately five seconds after initial power-up, the relay

speaker connection circuitry is deactivated and the speaker output is muted. If everything is operating normally, you will hear an audible click at the conclusion of this brief period, as the circuitry is activated and the Servo 120a begins delivering signal to connected speakers (at which point the Speaker LED will light if the Speaker on/off switch is in its "in" position). It is normal for the Protection LED to fade gradually after the amplifier is powered off.

Overheating: A temperature sensing device in the Servo 120a will cause the relay speaker connection circuitry to be activated (and the Protection LED to go on) whenever the operating temperature of the unit rises above a safe level. To guard against this problem, make sure the Servo 120a receives adequate ventilation on all sides ; in extreme environmental conditions, you may also

want to consider the use of cooling fans.

Severe overcurrent conditions: This occurs whenever the signal being output

from the Servo 120a rises to a level above 20% THD (Total Harmonic Distortion).

Shorted speaker cables: This will occur if, due to faulty wiring, the hot and ground signals being output by the Servo 120a short to one another.

Output impedance drops below 2 ohms: This can occur if the Servo 120a is connected to inappropriate speaker systems (see the "Setting Up and Using the Servo 120a" section in this manual for more information).

DC voltage detected at speaker output: The most likely cause of this is an internal failure. In general, any time the Protection LED lights up (other than during the approximately five seconds following initial power-up), there is reason to be concerned. If this occurs, turn the Servo 120a off immediately and carefully check all wiring and external devices in order to locate and correct the condition that caused the LED to light up in the first place.

Dec 27, 2010 | Samson Servo 170 Amplifier

1 Answer

Fuses keep blowing on my Samson Servo 120a


If after putting in the right rating of fuse you have a blow out, then you must diconnect the speakers and test. If the fuse hold ok then the speakers must be checked for shorting or fault in the network. However if the fuse still blows off, then you will need to take out the cover to test within the main board for the power section or output section malfunctioning. First of all discconnect the power to the output stages and test, if fuses blows check the powersuppy section, the rectifier to the main capacitors for reduced values. If not check on the output stages, the drivers, the predrivers for malfunctioning. However you will need some knowledge of electronics to probe stage by stage to isolate the fault.If not get help to proceed. Good day

Aug 03, 2010 | Samson Servo 120 Amplifier

2 Answers

Where is battery fuse link


Under hood box: Fuse 20 (120A)
Hope this helps.

Nov 12, 2009 | 1999 Honda Odyssey

1 Answer

Remove fuse 120a


You cannot change the fuse the way that you are trying. You need to loosen all of the bolts that holds the fuse box to the inner fender, and then observe the sides of the box, there are tabs that allow the exterior/bottom of the box to be pulled DOWN. After the box bottom is released, the 120 Amp fuse is accessible.
Hope this helps.

Dec 07, 2008 | 2004 Toyota Solara

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