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Hi all members:
I purchased actiontec 500 mbps homeplug adapter which works the same as yours.I been trying to figure out what the pc 3 100uf 25v, pc8 10uf 400v and pc9 1000uf 6,3v do my circuit. The cap I am really interested in is the pc8 10uf 400v? Why is their a 400v cap on this board when it also has mov to protect circuit? One of units went bad to leds and no power. Caused by defective pc9 1000uf 6.3v cap. so what does pc8 10uf 400v do in this circuit. Any engineer know how this unit uses these three caps? I spent about 20 hours on net trying find information on the Atheros ar7420 ar1540. The most I have found is basic block diagrams. I use these actiontec 500 pwr for computer at home. And after year or so the unit will go dead. I gone through 3 bad units so far. Here's the location from Tim Higgins article. Fig.4 inside shot-actiontec left and trendent right. I know replacing the defective cap fixes the unit, but like to know how they used in this circuit. Thanks for any help on actiontec product. At one time I could trace a circuit till they came out with SMD all over these mini boards.
I purchased actiontec 500 mbps homeplug adapter which works the same as yours.I been trying to figure out what the pc 3 100uf 25v, pc8 10uf 400v and pc9 1000uf 6,3v do my circuit. The cap I am really interested in is the pc8 10uf 400v? Why is their a 400v cap on this board when it also has mov to protect circuit? One of units went bad to leds and no power. Caused by defective pc9 1000uf 6.3v cap. so what does pc8 10uf 400v do in this circuit. Any engineer know how this unit uses these three caps? I spent about 20 hours on net trying find information on the Atheros ar7420 ar1540. The most I have found is basic block diagrams. I use these actiontec 500 pwr for computer at home. And after year or so the unit will go dead. I gone through 3 bad units so far. Here's the location from Tim Higgins article. Fig.4 inside shot-actiontec left and trendent right. I know replacing the defective cap fixes the unit, but like to know how they used in this circuit. Thanks for any help on actiontec product. At one time I could trace a circuit till they came out with SMD all over these mini boards.