Oct 3, 2013 #1 M milak raj saini Newbie level 3 Joined Oct 1, 2013 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 26 in smps transistors MJE13007 faulty. i have replaced the same but after replacement smps gives no stand by voltage. no voltage on green wire.
in smps transistors MJE13007 faulty. i have replaced the same but after replacement smps gives no stand by voltage. no voltage on green wire.
Oct 3, 2013 #2 D davoud Full Member level 2 Joined Mar 10, 2005 Messages 146 Helped 39 Reputation 78 Reaction score 39 Trophy points 1,308 Activity points 2,119 I think you should check these parts : 1- check fuse ptc (if present ) full bridge for rectifying AC input voltage 2- transformer and regulator of standby circuit also it's resonator transistor or ic
I think you should check these parts : 1- check fuse ptc (if present ) full bridge for rectifying AC input voltage 2- transformer and regulator of standby circuit also it's resonator transistor or ic
Oct 8, 2013 #3 M milak raj saini Newbie level 3 Joined Oct 1, 2013 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 26 what is the input & output voltage of standby circuit resonator transistor or ic
Oct 17, 2013 #4 D davoud Full Member level 2 Joined Mar 10, 2005 Messages 146 Helped 39 Reputation 78 Reaction score 39 Trophy points 1,308 Activity points 2,119 there are more circuit for wake-up circuit for example please see this site: http://www.pavouk.org/hw/en_atxps.html
there are more circuit for wake-up circuit for example please see this site: http://www.pavouk.org/hw/en_atxps.html
Oct 20, 2013 #5 P pradeep.g.belchada Full Member level 6 Joined Sep 29, 2006 Messages 341 Helped 85 Reputation 170 Reaction score 85 Trophy points 1,308 Location MUMBAI INDIA Activity points 2,671 stand by supply voltage in pc atx smps is 12v to tl494 drive & 5v on green wire. check 300vdc on filter cap main
stand by supply voltage in pc atx smps is 12v to tl494 drive & 5v on green wire. check 300vdc on filter cap main
Oct 21, 2013 #6 sahu Advanced Member level 2 Joined Oct 9, 2009 Messages 516 Helped 68 Reputation 130 Reaction score 62 Trophy points 1,308 Location Uttar pradesh (INDIA) Activity points 3,876 how can increase o/p volt (12 volt) till 13.5 volt
Oct 21, 2013 #7 P pradeep.g.belchada Full Member level 6 Joined Sep 29, 2006 Messages 341 Helped 85 Reputation 170 Reaction score 85 Trophy points 1,308 Location MUMBAI INDIA Activity points 2,671 by changing the feedback voltage