Hitachi HT464 Service Manual

© HITACHI
SPECI FICATIONS Design and specifications subject to change without notice for further improvement.
Type 2-speed direct drive automatic system Frequency response 10 — 25,000 Hz
Piatter Aluminum alloy die-cast, 310 mm outer Output voltage 3 mV at 1 kHz 50 mm/sec.
diameter Channel difference 1 dB at i kHz
Motor Brushless, slotless, coreless DC servo Channel separation 20 dB at 1 kHz
"Unitorque'"' motor Tracking force 1.5 — 2.5 g (recommended 2g)
Speed 2-speeds; 33-1/3 and 45 rpm Stylus tip Diamond stylus (DS-ST30)
Speed change system Electronic change-over system Power source 120 V 60 Hz for U.S.A. and Canada
S/N 77 dB (DIN-B) standard
Wow and Flutter 0.038% WRMS 220 V 50 Hz for Europe standard
Pitch control range 240 V 50 Hz for U.K. and Australia
33-1/3 rpm +3% standard
45 rpm +5% 110—120/220—240 V 50/60 Hz for
Tonearm Asian and Latin American countries
Effective length 220 mm Power consumption 6 watts
Overhang 15 mm Dimensions 435 x 375 x 128 mm
Tracking error 2° (17-1/8" x 14-3/4" x 5')
Lead wire Weight 5.5 kg (12.1 Ibs.)
capacitance 140 pF Other devices Auto-in, auto-repeat, auto-return, auto-
Adjustable force cut, anti-skating, tracking force direct-
range (scale) 0 — 3/1 turn of the balance weight reading balance weight, viscous damped
(directly readable in 0.1 g steps) cueing, stroboscope and neon lamp.
Acceptable cartridge
weight 4-— 10g
When a HITACHI cartridge is attached.
Cartridge Dual magnet type (MT-30)
FEATURES
1. Unitorque motor
Handy fully automatic mechanism (with manual priori-
ty mechanism)
Electronic return detection mechanism (PHOTO-
SENSOR SYSTEM)
Two-motor system with improved performance
DIRECT DRIVE AUTOMATIC TURNTABLE
November 1979
Highly sensitive tone arm with gimbal support and
head shell containing glass fibers
Front panel operation with soft push switches
Structure resistant to howling
Viscous damped arm lifter never damages stylus tip
Easily removable dust cover
CONG 1
2.
3.
4,