Dual CS 620 Q - Service Manual

CS 620
Q
Dual
Service
-Anleitung
Service
Manual
lnstructions de
Service
Technische Daten
Meßwerte =
typische Werte
Technical data
Measured values =
typical values
Caracteristiques
techniques
Valeurs
mesuräes = valeurs
typiques
Antrieb
Mikroprozessor
gesteuerter
Quarz PLL Direkt
-Antrieb
Drive
Microprocessor-controlled
Quarz PLL
Direct Drive
Entrainement
Entrainement direct PLL ä
quarz commandä
par un microprocesseur
EDS 910
Netzspannungen
vom Werk
eingestellt
Mains voltages
fixed by
the producer
Tensions secteur
fixes
manufacturier
230 V
oder, or, ou
115 V
Netzfrequenz Line
frequency
Frequence secteur
50/60
Hz
Leistungsaufnahme Power
requirement
Consommation
11 VA
Plattenteller
-Drehzahlen Platter speeds Vitesses du
plateau
33 1 / 3 , 45 U/min.
Gleichlaufschwankungen nach DIN Wow
and flutter
(DIN)
Toleranz de vites (DIN)
± 0,05
%
Plattenteller
nichtmagnetisch, abnehmbar Platter
non-magnetic, removable
Plateau
antimagnätique, amovible
304
mm 0
Tonarm
verwindungssteifer,
überlanger
Alu
-Rohrtonarm in
kardanischer
Vierpunkt
-Spitzenlagerung
Tonearm
distortion-free "ultra-low-mass",
aluminium
tubular tonearm in
gimbal 4
point tip bearing
Bras de
lecture
bras de
superlong en tube
d'aluminium,
antitorsion,
avec suspension
cardanique ä
quatre pointes
Störspannungsabstand (nach DIN 45500)
Rumpel-Fremdspannungsabstand
Rumpel-Geräuschspannungsabstand
Signal-to-noise ratio (DIN
45500)
Rumble unweighted
signal-to-noise ratio
Rumble weighted signal-to-noise
ratio
Rapport signal/bruit
(DIN 45500)
Signal/tension extärieure de
ronflement
Signal/tension
perturbatrice de ronflement
52 dB
78 dB
Effektive
Tonarmlänge
Effective tonearm
length
Longueur efficace du
bras 211 mm
Kröpfungswinkel Offset angle Angle
de coude
26°
Überhang
Overhang
Excedent
19,5 mm
Tangentialer
Spurfehlwinkel
Tangential tracking
error
Angle
tangentiel de l'erreur
de biste 0,15°/cm Rad.
Magnet
-Tonabnehmer HiFi DIN 45 500
rot R
rechter
Kanal
grün
RG rechter
Kanal Masse
blau
CL linker
Kanal Masse
weiß
L linker
Kanal
Cartridge
HiFi DIN 45 500
red
R right
channel
green RG right channel
ground
blue
CL left channel ground
white L left channel
Cellule HiFi DIN
45 500
rouge R canal
droit
vert RG
masse canal droit
bleu CL
masse canal gauche
blanc L
canal gauche
Dual ULM 65 E
Diamantnadel
biradial
Diamond
stylus
biradial
Aiguille/diamant
biradial
Dual DN 165
E
18
x 8
ban 0
Empfohlene
Auflagekraft Trecking force
Force d'appui
15 mN (10-20 mN)
Übertragungsbereich Frequency range
Bande passante
10 Hz — 25 kHz
Übertragungsfaktor Output
Facteur de
transmission 3,5
mV/5 cms -1 / 1 kHz
Compliance
horizontal
vertikal
Compliance
horizontal
vertical
Compliance
horicontale
verticale
30 Am/mN
25 p.m/mN
Tonabnehmergewicht Cartridge weight
Poids de cellule
2,5 g
Gesamtkapazität
Tonarmleitung und
Tonabnehmerkabel
Total capacitance
Tonearm leads
and audio-cables
Capacite
totale
Cäble du
bras et cäble de la
cellule
ca.
160 pF
Achtung: Bei abweichender Tonabnehmer-
bestückung sind die
erforderlichen Einstell-
werte dem
separaten
Tonabnehmerdaten-
blatt
zu
entnehmen.
Note: lt a different cartridge is used,
refer to
the separate cartridge data sheet
for the necessary setting values.
Attention: Avec une
autre cellule,
se
reporter ä la fiche
technique spare
pour les
valeurs requises de
räglage.
Dual
GmbH •
Postfach
1144 •
7742
St.
Georgen/Schwarzwald
920855-3
8.5/0384 Copyright by Dual
Download from www.dual.de
Not for commerical use

Dual CS 620 Q Specifications

General

Speeds	33 1/3, 45 RPM
Tonearm	Straight tonearm
Frequency response	20 Hz - 20 kHz
Effective Tonearm Length	230 mm
Overhang	18 mm
Platter	Aluminum die-cast
Drive	Belt-drive

Summary

Tonearm and Tonearm Bearing

Dismantling the Tonearm Complete

Procedure for complete removal of the tonearm assembly and its wiring connections.

Dismantling Tonearm from Bearing Case

Steps to detach the tonearm from its main bearing housing and related parts.

Spring Casing Replacement

Instructions for replacing the spring casing within the tonearm bearing assembly.

Tonearm Bearing Adjustment

Balancing the tonearm and adjusting bearing play for optimal operation.

Tonearm Lift

Lift Bolt Replacement

Procedure for replacing the tonearm lift bolt and associated components.

Adjustment Points

Set Down Point Adjustment

Adjusting the tonearm's automatic record set-down position for 17cm/30cm records.

Switch Off Point Adjustment

Adjusting the tonearm's automatic return point at the end of a record.

Tonearm Lift Height Setting

Setting the correct clearance between the record surface and the stylus.