Turntable · Technics · SU-350
Diagnosis: Other
Describe the behavior before opening the equipment or replacing parts.
Safe first checks
- Note exactly when the problem occurs and which inputs or controls affect it.
- Test with known-good speakers, cables, and a second audio source where safe.
- Take clear photos of any visible damage with the unit unplugged.
- Stop immediately if you notice heat, smoke, a burning smell, or repeated fuse failures.