Wait, the model number is Samyung Srg-150 Dn. I should verify if this is a typical model or if there are specific features. Since I don't have specific data, I'll generalize but mention that the report is based on standard service manual structures.
A standard service or operation manual for this series typically includes: Samyung Srg-150 Dn Service Manual
The service manual details several critical PCB (Printed Circuit Board) assemblies that manage the signal flow: Exciter Unit: Wait, the model number is Samyung Srg-150 Dn