I am trying to repair a Roland SH-101 analog synth
I started opening the unit and checking voltages.
When the unit is powered on the 9V rail drops from +9v to +2v DC.
I guess I have some problem in the power supply section.
Can you suggest me which component to check and eventually replace? My guess would be replacing TR1 and D8 for starters
Here you can find original manual with schematics etc
http://manuals.fdiskc.com/flat/Roland%20SH101%20Service%20Manual.pdf
I started opening the unit and checking voltages.
When the unit is powered on the 9V rail drops from +9v to +2v DC.
I guess I have some problem in the power supply section.
Can you suggest me which component to check and eventually replace? My guess would be replacing TR1 and D8 for starters
Here you can find original manual with schematics etc
http://manuals.fdiskc.com/flat/Roland%20SH101%20Service%20Manual.pdf