BBC computers PSU repairs

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BBC computers PSU repairs

Alistair D

Senior Transmitter Engineer

Posts: 374
Reputation: 2
Location: Edinburgh

06-01-2015, 01:36 PM

Another check while the PCB is out of the case is the value of the 2 resistors across the main primary smoothing electrolytics. One sometimes goes O/C and for reasons I cannot now remember the power supply will not start.

Al

Tuned for maximum smoke . Smile

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Messages In This Thread

BBC computers PSU repairs - by ed731pdh - 06-01-2015, 09:23 AM

RE: BBC computers PSU repairs - by Radio Fixer - 06-01-2015, 11:50 AM

RE: BBC computers PSU repairs - by Alistair D - 06-01-2015, 01:36 PM

RE: BBC computers PSU repairs - by Alistair D - 06-01-2015, 05:05 PM

RE: BBC computers PSU repairs - by ed731pdh - 06-01-2015, 10:35 PM

RE: BBC computers PSU repairs - by ed731pdh - 06-01-2015, 10:41 PM

RE: BBC computers PSU repairs - by Mark Hennessy - 06-01-2015, 11:07 PM

RE: BBC computers PSU repairs - by Refugee - 06-01-2015, 11:25 PM

RE: BBC computers PSU repairs - by Radio Fixer - 07-01-2015, 08:39 AM

RE: BBC computers PSU repairs - by Refugee - 07-01-2015, 09:05 AM

RE: BBC computers PSU repairs - by ed731pdh - 07-01-2015, 10:32 AM

RE: BBC computers PSU repairs - by Refugee - 07-01-2015, 11:51 AM

RE: BBC computers PSU repairs - by zx80nut - 09-05-2016, 11:29 AM

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