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Hi, my name is John. Take the cover off, solder side down, check VR205, check that no wires are cut or come unsoldered, check for bad solder joints, if so turn unit over and re-solder. Put cover back on......Hope this was helpful....
Most laptops push a lot of power through that plug. Have someone who knows about repairing them take a look to make sure the lead is the problem first, otherwise, it is a problem inside the laptop. The contacts inside the laptop overheat and become unsoldered. A good repair shop should be able to fix it without new parts by resoldering the connection inside the unit.
Take the cover off, look inside the front of the radio and you will see a tiny small bulb near the meter,it is held in place in a slot, has two wires, trace these wires down, noting where they go, unsolder them with a solder iron. You can purchase them at just about any electronics outlet,(Radio Shack), etc. Then install in reverse removal.....hope this was helpful....
You blew the polarity protection diodes. You need to be careful when hooking up the cb to power.
Here is how to fix it. Got to radio shack and get a N1004 diode. And a soldering iron, desoldering braid and solder if you do not have these.
Open the bottom cover of the radio, be careful of the speaker wires. You can unsolder the connections if you want to make it easier to work with the radio.
Next take the top cover off as well as you will need to have access to the trace side of the board.
Now looking in from the bottom of the radio, where you see all the components, look for D23. It should look just like the one you got from radio shack and it may be a little crispy. It is located near the back right of the radio.
Take note of which side the stripe is one. That is important. Then unsolder it and replace it with the new one.
Re attach the wires to the speaker and replace covers.
Take care in hooking up the power or you will have to do this all over again.
You need to check internally, Transformer/rectifier could be bad, disconnected wire, blown internal fuse. Can you rub the needle with your finger and get sound? Is it just the table not turning or is the needle not getting "power" either?
Yeppers, when you where changing out those speakers, you shorted them and that in turn blew out the audio output IC inside this unit. This will require you to disassemble the unit, locate the blow output IC abd unsolder it, get a new audio output IC, put some heatsink compound on the back of the new IC, resolder the chip and reasassemble the unit. But before you turn on the unit, double check those speaker wires again to make sure they are not shorted as if they are, even one tiny strand, this unit will blow the IC again. Never work the speaker on any solid state electronic amp when they are plugged in and on. Good Luck
Not unless youve had solid state trouble shooting experience and experience soldering and unsoldering. If you havent, you should take the unit to a repair shop, as there are no user replaceable parts inside this unit. Your problem is probably the output IC or associated componet. Good Luck