Electronics Forum | Wed Feb 07 08:41:10 EST 2001 | dliechti
I have to design a power supply which converts 220V AC into 5V smothed DC. It has to be very small, so it shouldn't have a big transformer. Has somebody a scheme of a circuit? Thanks
Electronics Forum | Sat Jul 24 06:00:50 EDT 2004 | zlatkon
I need to build regulated power supply 0-30V 0-20 Amps. The only solution possible for minimizing the thermal loss is to use triacs on the secondary Trafo side in order to cut the sine for low voltage output and great current. (like 5V, 20A). Please
Electronics Forum | Wed Nov 01 23:59:23 EDT 2017 | lkdhde1
F5HM power supply unit 00375503-02,consion document which I have is not suitable since this is new power supply unit, want to find out suitable document
Electronics Forum | Fri Jan 29 10:53:13 EST 2010 | jeffharley
There are pots on the board in the power supply to adjust the voltages after the machine is powered up. The location of these pots are in the munual supplied with the machine
Electronics Forum | Wed Feb 03 18:29:46 EST 2010 | mika
4.85 V - 5.2 Volts. That is on the computer power inlet, Not the on the power supply. /Best Regards
Electronics Forum | Mon Jan 25 17:13:53 EST 2010 | bing007
I am working on a vcd 8 with a problem of loosing the 5 volts supply. We have fitted a new supply that also provides the 15 volts. When we remove the connector on the power chassis for the 5 volts the power supply shows OK. When fitted the 5 volts is
Electronics Forum | Mon Jan 06 05:53:47 EST 2020 | richardcargill
First switch on after the holidays and this year it's the Dek265 playing up. On switch on, the screen comes up with "motor comms failure, card 0 axis123 " . On looking at the cards there seems to be a power feed missing ( see attached pict
Electronics Forum | Tue Nov 29 11:45:35 EST 2016 | ttheis
I was able to repair the original power supply for the printer again with parts from another similar power supply on ebay. At first the machine didn't power up properly even though the supply voltages were all good on a volt meter when tested befor
Electronics Forum | Sun Nov 27 16:53:39 EST 2016 | ttheis
Our UP500 has been running great for a few months then the AC/DC 5/12/24V power supply stopped working and the PC could not communicate with the cage. The PC screen also got very noisy. We replaced the power supply with a used replacement and the ma
Electronics Forum | Thu Dec 01 13:35:21 EST 2016 | ttheis
I decided to replace the psu with three din supplies since it was a repeatable issue with the 5v rail. Machine is back in operation now with no signs of problems.
