Questions & Answers for: pcb reverse polarity

...for voltage on the pcb where the battery cable is soldered in the pcb. There is a reverse polarity protection diode near the DC cable conection on the pcb, is it still there? And is it not

PCB resulting in the battery being with reverse polarity when I touched the pads. Then one component on the PCB smoked. It is indicated as M001, a 6-pin IC. I would like to know what component this is

PCB board, the timer light kept blinking. The ones that were on the board were bulging. Now the speakers make a pop and then the timer light blinks rapidly. The TV and speakers try to turn on, but the

...polarity of the car-battery got reversed accidentally while repairing the car. Another thing might be the internal battery of the player is dead. This battery is used to store date / time and other ...

reverse polarity diode. then if thats ok Touch the positive wire to the radio with the pos.lead then touch the pins on the mic plug.You should get some kind of tone when this is done. If you don't get

I have a Connex 3400hp and it just topped receiving all of a sudden while driving down the road did you check to see if it was still plugged in.maybe the reverse polarity diode or a crack in the pcb

...pcb is stamped E230194 / Hx008. Component C1 exploded aparently after installing the 9V battery in reversed polarity. Need to k((now value of C1 component (condenser ?) Appreciate your help If you ...

...switch located on the TV while powerpoint is on, if no result then there is a fault on the Power ...

...REVERSE POLARITY CHARGER. I WAS TOLD THE FUSE WOULD 'POP' OUT. I GUESS THIS MUST OF HAPPENED AS NOW THE SCOOTER WILL NOT TURN ON. WHERE IS THE FUSE IN QUESTION LOCATED, AND WHAT ACTION NEEDS TO BE ...

...reverse polarity mode with the Add Salt light on. Chlorinator operates as normal producing maximum chlorine output. The unit appears to enter into self cleaning mode with the amber light in the LED ...