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616 Power Supply Info
Thanks for the suggestion. I realise it's a switch-mode power supply. All the diodes seem fine; none are open or short circuit. I'm still trying to find a circuit diagram but havn't found one yet. Do you happen to know what the output voltage(s) of the PSU board should be that feeds the main...- datarbatt
- Post #3
- Forum: Nortel: Norstar systems
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616 Power Supply Info
I use a Norstar 616 as a home phone system which has been trouble free until the other day when it lost power. I've checked all the fuses: mains plug; live and neutral fuses on PSU board (F1 and F2); low voltage fuse on PSU board (F3) and all are fine but there is still no output from the PSU...- datarbatt
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- Replies: 3
- Forum: Nortel: Norstar systems
