Hitachi HT-353 Serviceanleitung

@HITACHI
SERVICE MANUAL
SPECIFICATIONS
Type
Platter
Motor
Speed
Speed change system
SIN
Wow & Flutter
deviation
Speed drift (for time)
(for temperature)
Effective length
Overhang
Tracking error
Adjustable force range
(scale)
Acceptable cartridge
weight
When a HITACHI cartridge
Cartridge
Frequency response
FEATURES
Uni-torque motor
1.
Quartz control
2.
3. Easy-Woperate
4. Large-sized platter
5. Employment
2-speed direct drive system
Aluminum alloy die-cast, 324 mm
outer diameter
Brushless DC servo direct drive
motor
2-speeds; 33-1/3 and 45 rpm
Electronic change-over system
70 dB (DIN-BY
0.03% WRMS
0.003%
0.003%/hour
0.003% (5 — 350c)
220 mm
15 mm
20
O — 3 g/ 1 turn of the scale ring
(directly readable in 0.1 g steps)
4—10 g
is attached.
Vertical moving magnet tY4)e
(VFS-261)
20 — 20,000 Hz
(quartz lock PLL servo)
front panel controls
of the low center of gravity tonearm
DIRECT DRIVE
August
English
Deutsch
Francais
Output voltage 3.5 mV at 1 kHz
Channel difference 1 dB at 1 kHz
Channel separation 20 dB at 1 kHz
Tracking force I .5 — 2.5 g (recommended
Diamond
Stylus tip
Power source 120 V 60
standard
220 V 50 Hz for Europe
240 V 50
standard
120/220
Latin America
Power consumption 5.5 watts
454 x 390
Dimensions
15-11/32
6 kg (13.2 lbs.)
Weight
Other devices Auto return,
ing, tracking
balance
neon lamp,
ing.
Design and specifications subject to change
for further improvement.
6. Structure resistant to howling
7. Handy automatic
8. Easy-to-see single-pattern
9. Viscous damped arm lifter
Easily removable dust cover
10.
TURNTABLE
1978
HT-353
No. 147
50 mm/sec.
2 g)
stylus (DS-ST26)
Hz for U.S.A. & Canada
standard
Hz for U.K. & Australia
V 50/60 Hz for Asia &
countries
x 144 mm (17-7/8 x
x 5-21/32")
auto cut, anti-skat-
force direct-reading
weight, stroboscope and
viscous damped cue-
without notice
mechanism
strobo
never damages stylus tip
wmv.vinylengine.com