[sdiy] M5320L voltage regulator incorrect outputs

Gil W. gil_we at yahoo.com
Sat Mar 1 03:04:40 CET 2008


I've just refurbished my JX8P's power supply unit,
replacing all caps. I check the voltages and see
+14.40v and -14.40v instead of -15v and +15v.

The schematics shows a M5230L dual tracking regulator
which is probably responsible for the +15v and -15v
output voltages ?

I'm trying to figure out whether the non-accurate
voltages are caused by a bad (or old) M5230L, or other
component at the area ... any help ?


JX8P power supply schematics:
http://www.fileden.com/files/2006/10/13/285304/jx8p%20ps.JPG

M5230L datasheet:
http://www.ortodoxism.ro/datasheets/MitsubishiElectricCorporation/mXqyyxt.pdf

Thanks !!


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