Question about Jensen XA4150 Car Audio Amplifier
I have a problem with protection light! i had a problem with my sub so i just disconected sub from my amp and after that the amp were working fine and now when i want to conect my sub back to amp i noticed that the protection light is on! I checkd all wireing, its ok! Could it be that the protection light is on if sub isn't conected to amp? I just haven't conected my sub because i think that i have a problem with amp or maybe it's defective? I just dont understand what could cause that? Could you please give me some advise?
In virtually all instances where the protection light is illuminated, the amplifier has gone into protection because the output transistors are shorted. To eliminate external wiring problems do the following.
Disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still goes into protect, the amp likely has blown output transistors.
If it does have blown outputs, it's is likely due to the speaker wires shorting together when the woofer was out of the vehicle.
Posted on Dec 29, 2007
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Posted on Jan 02, 2017
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