Check the SWR (Standing Wave Ratio). If it's too high, the PA might be protecting itself. DSC Errors:
Before you open the case: The SRG-1150 operates on 12-24V DC, but the internal power supply capacitors can hold a charge for several minutes after shutdown. The service manual details the discharge procedure on page 4. samyung srg 1150 service manual.pdf
Be aware that the is for hardware revision 2.0 through 3.1 . It will not help with software corruption. Check the SWR (Standing Wave Ratio)
Do not trust random download links. Verify the file’s integrity (look for the watermark of "Samyung ENC Co., Ltd." on the title page). With the right manual in hand and a steady soldering iron, your SRG 1150 will serve another decade on the bridge. samyung srg 1150 service manual.pdf