Hi there I need helps on my old B&K ST-140
Suddenly my power amp went dead and these are what I did already
Any one can help me? Any idea why this amp still dead?
I am suspecting my rectifier might have a problem.
I could not find any replacement yet for this one (FPI4020W)
FPI4020W pdf, FPI4020W description, FPI4020W datasheets, FPI4020W view ::: ALLDATASHEET :::
Suddenly my power amp went dead and these are what I did already
- Replacing each side with new 2sk135 and 2sj50
- Replacing each side with new 2N3440 and 2N5416
- Replacing each side with new 100uF/100V and 47uF power supply electrolytics (silmic elna)
Any one can help me? Any idea why this amp still dead?
I am suspecting my rectifier might have a problem.
I could not find any replacement yet for this one (FPI4020W)
FPI4020W pdf, FPI4020W description, FPI4020W datasheets, FPI4020W view ::: ALLDATASHEET :::
Any one can suggest me with PS replacement? I think I found the schematic
http://4.bp.blogspot.com/_WeC7--3HfTI/TIeq2tycYqI/AAAAAAAAAO4/tFsjWiXJ8tc/s1600/st140.jpg
Any one can help me with PS design using the tyrodial from this B&K? tks so much
http://4.bp.blogspot.com/_WeC7--3HfTI/TIeq2tycYqI/AAAAAAAAAO4/tFsjWiXJ8tc/s1600/st140.jpg
Any one can help me with PS design using the tyrodial from this B&K? tks so much
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