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Phono Motor Section| driving system | Direct-Drive System |
|---|---|
| motor type | DC-servo brushless & Slotless quartz-locked motor |
| turntable platter | 30 cm aluminium die-cast with built-in VDS pump (2.5 kgs) |
| rotation speed | 33-1/3 rpm, 45 rpm (2-speed) |
| s/n ratio | better than 70 dB (DIN B) |
| wow & flutter | no more than 0.03% W.R.M.S. |
Tonearm Section| tonearm type | Straight Arm of static balance type |
|---|---|
| effective length | 230 mm |
| tracking error | 42°12' to 7°30' |
| overhang | 16 mm |
| cartridge weight | 5 g to 10 g |
| cartridge height | 16 mm to 19 mm |
| stylus pressure | 0 to 3 g |
General Specifications| power consumption | 10 W (CSA rated) |
|---|---|
| dimensions | 438 (W) x 165 (H) x 365 (D) mm |
| weight (net) | 10.55 kgs |
| weight (gross) | 12.0 kgs |
Details the operational logic of the automatic playback system.
Provides a high-level system overview of the PB-1373 circuitry.
Describes the function of individual transistors within the circuit.
Explains the muting circuit and its timing chart for audio signal control.
Illustrates the timing sequences for the PB-1373 system components.
Presents the detailed electrical schematic for the PB-1373 circuitry.
Details the circuit controlling the operation of the motor switches.
Procedure for setting the correct arm-lifter height for playback.
Adjusts the stylus's starting position on the record groove.
Adjusts the point at which the tonearm lifts at record end.
Procedures for aligning the full-auto mechanism's circuits.
Adjustments for printed circuit board components and settings.
Specific adjustment for the main cam switch (SW-07).
Component list for the PB-1373-1 section.
Component list for the PB-1373-2 section.
Component list for the PB-1373-4 section.
Component list for the full-auto mechanism PCB.
Visual breakdown of the PD-375 turntable assembly.
List of components corresponding to the exploded view diagram.
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