[sdiy] Roland SH-101 power supply sorrows

Florian Anwander fanwander at mnet-online.de
Mon Aug 24 10:18:14 CEST 2009


Hello Rig

>  I have a Roland SH-101 that does not work. While troubleshooting, the power supply transistor TR@ (or TR1, the big one in any event) had a crack in it. The big problem is component L1. L1 does not show on the schematic or parts list. It would be nice to identify this part as it was smoking a great deal and I'm sure needs replacement. Anybody know what this part is and it's value? Thank you.
Where should this L1 be on the pcb?
http://fa.utfs.org/diy/rolandsh101/Roland-SH101-Service-Manual.pdf
-> page 8 is the pcb

Florian



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