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General| Drive method | Direct drive |
|---|---|
| Motor | DC servo motor |
| Speeds | 33 1/3 and 45 rpm |
| Wow and flutter | 0.03% WRMS |
| Platter | Aluminum die-cast |
| Tonearm | Static balanced S-shaped tonearm |
| Overhang | 15 mm |
| Phono Preamp | No |
| Bluetooth | No |
| USB Output | No |
| Power Supply | AC 120V, 60Hz |
| Stylus | Diamond |
| Output | 2.5mV |
| Cartridge weight range | 4-10 g |
Detailed technical specifications for the AP-D30/C model.
Detailed technical specifications for the AP-Q50/C model.
Instructions for disassembling the unit and identifying controls.
Diagram and list of controls for the AP-D30/C model.
Diagram and list of controls for the AP-Q50/C model.
Visual identification of major internal components for both models.
Functional block diagrams illustrating unit operation.
Explanation of how the DC brushless Direct Drive motor works.
Detailed explanation of the servo circuitry for both models.
Step-by-step guide for mechanical adjustments.
Step-by-step guide for electrical adjustments.
Lists P.C board titles, numbers, and internal compositions.
Guidance on reading and ordering parts from the list.
Information on the AC inlet system and cord sets.
Lists parts for P.C. boards of the AP-D30/C model.
Detailed parts breakdown by assembly blocks for AP-D30/C.
Lists parts for P.C. boards of the AP-Q50/C model.
Detailed parts breakdown by assembly blocks for AP-Q50/C.
Circuit diagrams for SN7400N and TA75458S ICs.
Detailed circuit schematic for the AP-D30/C model.
Detailed circuit schematic for the AP-Q50/C model.
Instructions for improving the speed switch operation.
Details on component retrofitting for newer production runs.
Correction of a wiring error in the service manual schematic.
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