Brand: Sony
Model: TC-D5M (Densuke Professional Cassette Recorder)
Power Supply: Works with 2x D batteries or AC adapter (tested with genuine Sony adapter)
Maintenance/Service Performed:
Full disassembly & cleaning (case, knobs, contacts)
Replaced 3x high-quality drive belts
Capstan tire precision polished
Replaced 3x transmission rubber rings (FF, REW)
Pinch roller & capstan shaft cleaned
Gear re-greased
Battery lid sponge replaced
TEAC E-3 head demagnetized
3kHz & 6.3kHz test tapes used for wow/flutter & azimuth adjustment
Test Results:
Playback clear, stable speed, no excess noise
Recording confirmed via LINE IN, playback via LINE OUT OK
Built-in speaker & headphone output working
All transport functions (Play/Stop/FF/REW/Pause) confirmed
VU meters, level check, and lamp function confirmed
Volume knob smooth, no scratch noise
