Work Report
3 units received / Condition check performed
- 1 unit: Used for parts due to circuit board damage and corrosion
- 2 unit: Internal cable replacement, output 5/6ch jack replacement (reused from the parts unit)
- 3 unit: Internal cable/connector replacement, LED driver IC replacement
- 2 units: Recognized as CoreAudio devices and basic operation confirmed
- 3 unit: LED (D1) behaves in conjunction with knob operation
- Related parts replaced, but no change in symptoms
- Determined that there is no major problem with current operation, work completed
