Question about Power Acoustik Car Audio & Video
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Posted on Jan 02, 2017
SOURCE: Kenwood X590 - LCD Display Gone
Resolder all the resistors. They say 2.7 in the manual, but the print on the component is 2R7. For solder use 60-40 rosin core with flux. The thickness should be a small diameter, but most any solder will work, you will only be putting a very small dab of solder on each solder connection. Just enough to make it melt and reflow, no more. This is no guarantee that it will fix your unit, but it is the most common cause. You may find that the display being out for yours is something different. If you have a voltmeter you can put the radio on a bench and check the voltages (DC) on those resistors when it is powered on. You will need a small power supply capable of about 3 amps to power up a car stereo. I don't remember what the voltage are supposed to be, but you should start at one end and have a high voltage and as you go from one resistor to another, the voltage will go down in equal increments. It is a voltage ladder and with all the resistors being the same value, you should have the same voltage across each resistor.
Posted on Nov 24, 2008
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