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Re: Can not find replacement resistor number 75339p
Different companies use different numbers so you should try to cross reference with other resistors you could probably call an electronics company and have them look it up for you
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To change the input and output resistors of a Geepas sound device, you'll need to follow these steps:
Acquire the necessary tools: You'll need a soldering iron, solder, wire cutters, and the resistors you want to use (in this case, resistors numbered 45 and 47).
Locate the resistors: You'll need to open up the device and locate the resistors that need to be replaced. Make sure you know which resistors are numbered 45 and 47 before proceeding.
Remove the old resistors: Use the soldering iron to heat the connection points of the resistors and then gently pull them out with a pair of pliers.
Install the new resistors: Place the new resistors in the same location as the old ones and solder them in place.
Test the device: Reassemble the device and power it on. Test it to make sure that it's working properly.
Note: Replacing resistors can be a delicate process, and if done improperly, it can cause damage to the device. If you're not confident in your ability to perform the task, it's best to seek the help of a professional.
There are 12 resistors all of them are 6.8 ohm 1watt resistors they are located in front of the ICs heat sinks at board location numbers 3149 -3160 they will all be identical and are grouped in sets of two side by side.
that first number most likely is 2N414A. Goto NTE cross refference web site and put this number in, it will show you a cross for it with a picture of the transistor to match it to the one you have. Hope this helps good luck.
It isn't the switch it needs a new blower resistor and new fan motor.
The fan motor will start to pull too many amps through the resistor and in turn smokes the resistor. You can replace the resistor and it will temporarily fix the problem but eventually the fan motor will end up overloading the new resistor and ruining it.
Replace both the resistor and the blower motor. The resistor is located on the firewall inside of vehicle on the passenger side. If I remember correctly it is a bit of a ****** to get to the screws.
Also if you have automatic temperature control the GM part number for the resistor should be 89018643
THE ABOVE LINK WILL TAKE YOU TO THE DIGIKEY PAGE THAT HAS YOUR MOSFETS YOU ARE LOOKING FOR IN THIS AMPLIFIER. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE....V
Technical Service Bulletin TBS
05-01-38-012B
Your Blow Motor Resistor Is the problem
replace the blower motor resistor & the resistor module connector (Pig tail).
Call dealership and you can get the part give them the TSB Number
Should take about 30minute to replace not to hard.
hafler use international rectifier hexfets. there is alot of confusion what constitutes a mosfet amplifier.
if the outputs are mosfets instead of bipolar transistors, it is a mosfet amp.
some designs are using mosfets to drive the switch mode power supply,but use bipolar output transistors.that is not a true mosfet amp.
you need to go to an electronic supplier for the repair industry.
or the manufacturers warranty depot,who will be able to order them.mosfets are very high current devices,you have to ask ...why did they fail. if they are the switch mode drivers,there is bad capacitors in that circuit
do you know the value of the resister ?
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