[Heathkit] SB634 voltage guide

[Robert Ward]

Hi

 

            I'm working on my SB-634 console (clock).

I'm curious about the voltage from the (T1) main transformer.

I've measured the secondary at 170V AC and 205V DC after the rectifier.

Which to me makes no sense at all...

The filter caps and diode rectifier have been replaced .

The displays do lite up but obviously something is wrong.

 

            Any help would be appreciated

 

                        Bob   NQ3N



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