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Converge semicoductor How do I remove and install a converge semi conductor?

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With skill and experience. need solder wick or solder sucker(radio shack) screwdriver set, needle nose pliar, solder and solder iron 35 40 watts. desolder the IC all legs on bottom of pc board. pull the ic out with needle nose, install new ic ,u might have to bend and straighten the legs, dont force it. now solder all the legs carefully. GGGGGOOODDDD LUCK!

Posted on Aug 17, 2007


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Turn the phone COMPLETELY OFF.

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Remove the protective case ...
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Keep in mind THE tiniest STATIC spark can
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Be sure to place a conductive sheet or copper plate with proper grounding (1 Mohm) on the workbench or other surface, where the semi-conductors are to be placed. Because the static electricity charge on clothing will not escape through the body grounding band, be careful to avoid contacting semi-conductors with your clothing.

Numark ttx1 blowing fuses

Fuses blow when there's an overload. Most are caused by a semi-conductor that has shorted. If it was the bridge you can test with an ohm meter. Connection across it's leads will be just like touching the test probes together. That goes for any of the semi-conductor devices.

Panasonic PV-4664 VR wont't power on. Replaced 1.6A input fuse and fuse blows immendiately when power supply is both installed and removed from the unit. Appears the power supply has a problem.

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If the fuse keeps blowing it's because some part is acting like it is a piece of wire. It will probably be a semi-conductor in the power supply of the turntable, or the transformer. They often look burnt or damaged the semi-conductors in this state.

A small 2.5 amp fuse keeps blowing. It is located at the back of the unit just after the ac inlet

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If the convergence option is not on the menu anylonger. thats another issue all together. That is usually a fusible link and capacitor on the deflection board that will cause that to happen. The convergence ICs will also need replacing as the link and capacitor will most certainly take out the convergence ICs as well. You will need a service manual on this issue. Let me know and I will post a link where you can get one along with some free support to help you with it.

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look at the convergance board it will be the one on the left there re two stk semi-conductors tward the back of the board. most likly one of them are bad but sometimes the soldering can be faulty. look for signs of cold solder if so just resolder and should be good if not also look for burnt resistors. it will be obvious finding the stk 's can be done by using google and just type in the stk # finding the resistors you might try calling panasonic to find the part #by telling them the location of the burnt resistor. good luck. mind you that the soldering of the stk (semi-conductors) you will want to use a heat sink on each terminal you solder otherwise you take a chance of burning the conductor befor you ever get to use it, if you have no exp. soldering i wouldnt sugest trying it !!!!
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