Dear Members, More information from me, when the power plugged in just before press start push button, the voltage at the big capacitor (may be the rectified output) was 5 V. But when the start button pressed, it disappeared (0 Volt) and the flashing DC-IN LED begin... Any way, is there any another way to by-pass the internal PS system, eg. connect an external 5V regulated PS to the board, etc... I appreciate for any suggestions.
Thanks & regards, Agus -----Original Message----- S When this switching PWS start to fail, very often the charge caps are the reason. Switching PWS rely on the very low ERS of their switching capacitors, as they get older, their efficiency go low as well. Sometimes replacing the switching transistor is the reason, they seem to a tendency to burn-out without going totally defective, so PWS works, but ..... Just a thought. Friedel -- Author: Agus, Kuswartiman INET: [EMAIL PROTECTED] Fat City Hosting, San Diego, California -- http://www.fatcity.com --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
