@HITACHI
SERVICE
SAFETY
PRECAUTION
The following precautions should be observed when servicing.
1. Since many parts in the unit have special safety related characteristics.always use genuine Hitachi's replacement
parts. Especiallycritical parts in the power circuit blockshouldnot be replacedwith other makers.
Critical parts are marked with
2. Beforereturninga repairedunitto thecustomer, t heservice technician mustthoroughly testtheunitto ascertain that
it is completely safe to operate without danger of electrical shock.
SPECIFICATIONS
Type
Disk loading
system
Platter
Motor
Speed
Speed change system
SIN
Wow and flutter
Speed deviation
Speed drift
(for time)
(for temperature)
Tonearm
Effective
length
Tracking
error
Lead wire capacitance
SPECIFICATIONS
September
MANUAL
in the circuit diagram.
2-speed quartz controlled direct drive fully
automatic
turntable
Front loading system
Aluminum alloy die-cast. 296 mm outer
diameter
Brushless. Slotless, Coreless DC servo
"Unitorque"
motor
2-speeds; 33-1/3 and 45 rpm
Electronic change-over system
78 dB (DIN-B)
0.025% (WRMS)
0.003%
O.003Whour
0003%
(5 - 35t)
Static balance type
Linear tracking tonearm
95 mm
140 pF
AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
DIRECT
DRIVE
1982 TOYOKAWA
TY
ONTENTS
SPECIFICATIONS
CARACTÉRISTIQUE TECHNIQUES .
FEATURES• BESONDERHEITEN,CARACTÉRISTIQUES.... 3.4
SERVICE
POINTS
D'ENTRETIEN
CIRCUIT
DIAGRAM
PRINTED
PLAN
DE BASE.„.
BLOCK DIAGRAM
SCHEMA
ADJUSTMENT
DESCRIPTION
DER NEUEN
NOUVELLE MÉTHODE.......
NAME
OF PARTS
NOMENCLATURES
EXPLODED
DARSTELLUNG • VUE ÉCLATÉE
REPLACEMENT
TABLEAU
Acceptable cartridge
Cartridge
Frequency
Output
voltage
Channel
difference
Channel
separation
Tracking
force
Stylus tip
Power
source
Power
corwumption
Dimensions
Weight
AUTOMATIC
TURNTABLE
No.
341
HT-L5
• INHALT
• SOMMAIRE
• TECHNISCHE
OATEN
•
POINTS
• WARTUNGSPUNKTE
•
• SCHALTPLAN
• PLAN DE CIRCUIT
WIRING
BOARD
• PRINTPLATÆN
• BLOCK SCHEMA
• EINSTELLUNGEN • RÉGLAGE...
OF THE NEW METHOD
• BASCHREIBUNG-
METHODE
• DESCRIPTION
DE LA
• BEZEICHNUNG
DER TEILE
DES PIECES..
VIEW • AUSEINANDERGEZOGENE
PARTS
LIST
• ERSATZTEtLUSTE
DES PIECES
6g
MM type (MT-71)
10-25.OOOHz
response
2.5 mV at 1 kHz. 50 mm/sec.
dB at 1 kHz
25 dB at 1 kHz
1.25 ±025g
Diamond stylus (DS-ST70Y
120V 60 Hz for U.S.A and Canada stan-
dard
220V 50 Hz for Europe standard
240V
50 Hz for U.K. and Australia
dard
110-120/220-240V
and Latin American
1 5 watts
320 Ux
110
7 kg(15.4
lbs.)
WORKS
EGF
1,2
4-12
...„ 13
14
15
16,17
18, 19
•
-19
21.22
•
22-25
stan-
50/60
Hz for Asian
countries
348 (D) mm