Sample-Roland Circuit C4131, transistor for power supply

Roland Circuit C4131
To be used with: Roland SJ/FJ-540/740,  transistor for power supply
Remarks: Original

Tips: Please do not change the parts by yourself if you do not have any related experience and technology,otherwise, you should be liable to all bad results.
Step 1-6 is removing step.
Step 7-12 is installing step.



This transistor is used on Mutoh VJ-1324/VJ-1624/VJ-1624W main board--DG-42958, used on Mutoh VJ-1618 Main Board - DG-41067, used on Mutoh VJ-1614 Main Board - DG-44332, used on Mutoh RJ-900C-DG-43734, used on Mutoh VJ-1204 Main Board - DF-49658.