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Nakamichi DRAGON : Serviced. These operations performed:
transport disassembled, cleaned and relubed;
transport calibrated on stop, play and CUI points;
azimuth parts disassembled, cleaned and relubed;
belts replaced (Aftermarket);
idle tire replaced (Aftermarket);
pinch rollers cleaned and renewed;
all pots and switches deoxited;
tape path alignment checked and corrected (with Camera setup);
heads demagnetized;
reel motor voltage checked and corrected;
NAAC recapped, 4558 IC replaced;
NAAC checked and corrected;
PB preamp recapped and FR corrected;
DD Motor board drivers were fixed (soldering);
playback speed (3kHz), W&F checked;
playback levels (80Hz, 1kHz, 15kHz) checked and corrected;
azimuth (1kHz, 15kHz) checked and corrected for both forward and reverse directions;
record levels for all tape types supported checked and corrected, using embedded calibration module;
erasing for all tape types checked;;
all deck functions checked.
Regards,
Max, CDD
23 окт 2024