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N149a voltages
Author: Rick Jackson
Date: 06/08/2012
I'm working on a N149a p/s, s/n 703536, 2-pin ac jack. The v2 and V3 voltages are measuring +30v and -30v with pins 2 and 5 bridged, V1 is 14.2v. The converter is outputting 12v. Would the fault be in the IC LT1172 switcher or should I look for other parts? A board layout would be helpful to identify the SMDs, I have the schematic.  
 
Reply
Rick Jackson
06/08/2012
Uwe Sattler/NeumannUSA
06/11/2012
Rick Jackson
06/11/2012
Uwe Sattler/NeumannUSA
06/11/2012
Rick Jackson
06/11/2012
Uwe Sattler/NeumannUSA
06/26/2012