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I need schematic for JBL PSW D110, and am just new to fiding out what easiest way would be?
I AM NEW TO FIXING ELECTRONICS AND AM WONDERING WHAT WAYS, OR THE EASIEST WAY TO AQUIRE SCHEMATICS FOR DEVICES. I'VE GOT A JBL PSW D110 subwoofer I would like to know about.
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The fuse is a 250volt 1.25 amp slow blo. First thing I would do is check C6 to see if it is bulge or blown - regardless replace it with a 10ufd 100volt Non-polarity capacitor. If the fuse blows again unplug the blue wires from the transformer and plug in unit to an outlet. If fuse does not blow then problem is on PC board. I have a service manual for this item. Probable causes on PC board are Filter Caps, Bridge rectifier (DBA), Amplifier module, or fragments of C6 even causing shorts on board if it had blown.
I have bought C6 from MCM Electronics for under .50 cents but you have to put shrink tube on one lead and bend it back along the body and solder both leads in the board.
Go to Parts Express and buy the Bash 300w digital subwoofer amp.It fits almost exact except it is one inch shorter.Just use mdf to fill the space and this amp will outperform the original.I have done this and it's not really difficult,pretty straight forward. They usually sell for around $149,but they have sales often around $99.Good luck.
what i did was i stuck my hand in the port, screw driver in hand, used the blunt end of the screwdriver put it in the indent on the magnet on the back of the sub, positioned it so that the end of the screw driver was stickin out and smacked it with a hammer and it popped out, make sure u take the screws out of the front of the sub, and then take the insulation out of the box and do the same thing to th eboard just do it on theblack part of the amp not on the board
there are some caps that fail in the power supply. If you are up to doing some electronic repairs, I could talk you through it and tell you what parts to check.
If I remember these correctly, there is a bad coupling cap in the amp section. You should see it as the top should have ballooned up. Replace the cap and you should be OK.
Dan
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