Hitachi HT-L55 Servicehandbuch

SPECIFICATIONS
Type
2-speed quartz controlled direct drive fully
Cartridge
Dual magnet type (MT-33)
automatic turntable
Frequency response
10 — 25,000 Hz
Platter
Aluminum alloy die-cast, 296 mm outer
Output voltage
3.5 mV at 1 kHz, 50 mm/sec.
|
diameter
Channel difference
1 dB at 1 kHz
Motor
Brushless, Slotless, Coreless DC servo
Channel separation
23 dB at 1 kHz
"Unitorque" motor
Tracking force
1.25. +0.25g:
.
Speed
2-speeds; 33-1/3 and 45 rpm
Weight
5.99
Speed change system
Electronic change-over system
Stylus tip
Diamond stylus (DS-ST33)
S/N
78 dB (DIN-B)
Power source
120V 60 Hz for U.S.A. and Canada staniard
Wow and flutter
0.025% (WRMS)
220V 50 Hz for Europe standard
Speed deviation
0.003%
240V 50 Hz for U.K. and Australia stancard
Speed drift
110-120/220-240V 50/60 Hz for Asiai anc
(for time)
0.003%/hour
Latin American countries
:
(for temperature)
0.003% (5 — 35°C)
Power consumption
15 watts
, |
Tonearm
Linear tracking tonearm
Dimensions
315 (W)x 83 (H)x 315 (D) mm
Effective length
95 mm
Weight
4.5 kg (10 Ibs.)
Tracking error +0.1°
Lead wire capacitance — 140 pF.
FEATURES
:
1
Low-mass, dynamic balance linear tracking tonearm
4. Quartz control (quartz lock PLL servo)
ao
:
2. Disk jacket size for easy installation anywhere
oe
5. Repeat play from any position on disk (program repet)
3. Slimly designed Unitorque motor
Pe
6. Timer start from any position on the disk
|
eee