First take a look at the speaker driver: take a multimeter, set it to measure resistance and check the driver’s terminals. If you get the reading around 2, 4, 8 or 16 Ohms, then the driver’s coil should be OK. If you don’t get any reading at all (the circuit is open) that...
Often, the problem is not in the amplifier but in one of the connections between it and either a source or the speakers. Use a continuity tester or a multimeter to check continuity of audio cords going in and out of the amplifier before attempting to open the unit up and look further. ...
How Do You Check Voltage With a Multimeter? A multimeter is an instrument that can measure voltage, current, resistance and possibly additional parameters. You can also use it to check continuity of cables and check fuses. If you don't know how to use one, read my guide How to Use a ...
it might simply be that some of the wires are unused: for some reason, the manufacturers have used a multi-wire cable but only connected up three or four of the wires. In this case, you'll need to use amultimeter(or trial-and-error) to find out which of the wires you need to ...
Power cord wire colors are sometimes non-standard so use a multimeter to identify Hot and Neutral. Europeans sometimes use the letters E: Earth (safety ground), L: Line (hot) and N: Neutral to describe the three plug wires. The 325 volts AC power from the power transformer is fed ...
CAN bus lines, if it a stereo, there will likely be several wires going to speakers, microphones and other devices. These other wires can make determining the CAN bus lines difficult. However, there is almost always a wiring diagram for the stereo in a vehicle, so go and check online ...
Multimeter Canned air or soft brush Foam swab or camera-lens tissue Lens cleaner fluid Clean, dust-free cloth White lithium grease Tweezers Cotton gloves CD cleaning fluid or denatured alcohol What Are the Steps to CD Player Repair? The four primary fixes you can do to a CD player include ...
If you're ever unsure if the solder joint you created is making an electrical connection, you can use a multimeter to test forcontinuity. Holding Headers Against a Board For those that have the dexterity, you can install a row of headers by holding the pins against the board! You can try...
Failing glue at the spider support is probably the most common fault to find on old greenback speakers. Therefore it is very important to check, and is always the first thing I look for. Also watch out for sloppy amateur repairs. A bad repair done with super strong modern glue is often ...
There are several possible reasons why a desktop, laptop, or tablet computer such as aSurface Pro fails to power on, so you must step through a complete troubleshooting procedure like the one we've outlined below.