Sony TC-D5M Densuke Professional Cassette Recorder

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