Question about Spirit Of St. Louis Radio/Cassette/CD Boombox
...AC cord comes in to the circuit board. Try to put another fuse if its blown with same rating. If it blow again then there is a semicondutor that has failed. Semiconductors fail by conducting current ...
tv will not turn on you should check the power supply section. the voltage of 115-220 ac is fed on to the power supply. if the supply is giving you the ht of 80-115 volts if not means your supply is ...
Question about PORTAWATTZ 1000 Watt Power Inverter Car Speaker
my 1000 watt inverter has stop from supplying AC power Unless the set is checked into , it cannot be confirmed if the fault is due to : Failure of the switching semiconductors- drivers- Mosfets ...
acer aspire 4736z no power when i insert the ac adapter something spark on ac jack and it didnt power at all This sounds like a short circuit in your laptop, have the power supply adapter checked ...
...AC adapter plugs into. DC Power Jack either is soldered directly to the motherboard, or has wires attached that end in a small male plug. Unplugs from motherboard to remove, plugs back in to install. ...
...AC adapter plugs into) 3) Then the problem is more than likely the Power MOSFET's on the motherboard. May also include electronic components, that support the P.MOSFET's, too. Multi-Layer Ceramic ...
Question about PORTAWATTZ 1000 Watt Power Inverter Car Speaker
AC, DC & RF circuits followed by 34 yrs maintaining semiconductor Manufacturing equipment. Can you provide me with a source for the schematics &/or maintenance manuals. http://www.eserviceinfo.com/ if
Question about PORTAWATTZ 1000 Watt Power Inverter Car Speaker
...AC adapter, bad power supply board(shorted semiconductor, regulator, etc ) and rarely a bad power switch. You could try a new ac adapter but it might be a waste of money(if you have access to a ...
Question about VR-606 Receiver
...AC on all the time in my room so it's not temp related. levels are set at defaults. I have resetted the reciever many times with no success. ANy help is appreciated! The receiver's out put sections ...
Question about VR-606 Receiver
...ac at full throttle which is spec. Difficult to guess without seeing a wiring diagram and knowing whether the regulator is electro-mechanical or semiconductor and whether if so it is integrated into ...
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