Nec AUP 7300 E Service Manual

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MODEL AUP-7300E

Authentic series
BELT-DRIVE AUTOMATIC TURNTABLE

SERVICE MANUAL

SER. No. 4028

Better Service
Better Reputation
Better Profit

SPECIFICATIONS
TURNTABLE SPECIFICATIONS

NOMINAL VALUE

Drive Motor. . . VCoreless, slotless, brushless, 2-phase 8pole
magnet field type flat DC motor.
Speed control & drive system ......... FG Servo controlled
direct drive.

Platter. V V 310 mm diameter aluminum die~cast
weight 1.4 kgs.

Wow & Flutter ..................... 0,03% WRMS.

Signal to Noise Ratio ............... 67 dB (DIN-Bl.

Speed . . . , .33-1/3 & 45 RPM 2-speed.

Speed Pitch Control Range . . ........... 34%

TONEARM SPECIFICATIONS

Tonearm Type .StaticaIIy-balanced S~shaped tubular arm

with direct reading tracking force adjust-
ment oil-damped cueing mechanism and
anti»skating device

Tonearm Effective Length ......... 224 mm pivot to stylus.
Tonearm Suspensuon System ........ GIMBAL suspension
Overhang ............................ 13 mm.
Acceptable Cartridge Weight ............... 5-10 grms,
Tonearm Operations . .Electronically controlled and operated

by an independent DC motor.

CARTRIDGE PERFORMANCE ....... NOMINAL VALUE
Cartridge Type ................ Moving Magnet Type.
Frequency Response ................ 20-251000 H2.
Channel Balance ................ Wlthin 208 at lkHL
Crosstalk between Channels ............. 25dB at lkHz.
Output Voltage . . 2.5mV at IkHz 50mm/sec.
Optimum load ........................ 47k ohms.
Tracking Force .................... .25 t 0.5 grms.
Stylus .......................... 0.6 mil diamond.

OTHER SPECIFICATIONS

Power SUDDIVV 110/120/220/240V AC 50/60 Hz.

Dimension
Cabinet ............. 450W x 42H x 3530 (mm).
Overall ............. 450W x 136H x 3660 (mm).
Weight ................... . . Approximately 10 kgsv
Dust Cover. . .......... Removable hinged dust cover.

NOTE The above specifications are subject to change with-
out notice for further improvement,

Nippon Electric Co..Ltdc

TOKYO.

JAPAN

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NAMES OF PARTS AND ACCESSORIES

13 Rubber Mm

Platter

- 14 Dust Cover

45 RPM Adaptor

\ 15 Freyasxop Hinge

Cemer Spindle

St robe Lam p

33 RPM Speed Adj. (Pitch Connol)
45 RPM Speed Adi. (Pitch Contvol)

16 Main Weight

17 Anti-Ska" Conlvol
18 Cueing Lever
19 Tonearm Rest Clampar
20 Tonearm Rest

21 Toneerm

Speed Selecmr Bunon

8 Disc Size Selector
Repeat Burton

10 Cut Button
PIav Button

12 POWER Switch 24 lnsulamr

22 Headsholl
23 Cartridge

ACCESSORY

Mam Weight HeadshalI/Carmdga
45 RPM Adaptor |