Troubleshooting Guide - Rotel Rp-6400 Technisches Handbuch

5. Adjustment of ON-OFF Timing of Power Switch
First remove turntable.
Adjust by turning the screw (see Fig. 5) so that the
power switch goes on or off
the pickup is within 5mnp40mm
the turntable.
5. Justieren des Ein/Aus-Schaltpunktes
schalters
Nehmen Sie zunächst den Plattenteller
Justieren Sie durch Drehen der Schraube (sieheAbb
5) so, daß der Netzschalter ein- bzw. ausschaltet,
wenn die Nadelspitze desTonabnehmers sich 5 —40
mm vom Plattentellerrand
5. Réglagedu minutage marche-arrét (ON-OFF)
de l'interrupteur d'alimentation
Oter tout d'abord le plateau.
vis (voir fig.5) de fagon å ce que I'interrupteur
d'a\irnentation se mette en marche ou s'arréte lorsque
Ia pointe de lecture de ia cellule se trouve å i'intérieur
d'une zone allant de 5mm
p'ateau
TroubleshootingGuide
l. LEAD-IN
SYMPTOM
1. Tonearm does
when the cue lever is set to
LEAD IN.
2. Tonearm does not lead in at
correct position
3. Lead-in of tonearm produces
abnormal sound.
4. Lead-in speed is too fast (too
slow).
5. Elevation arm moves too slowly.
6. Elevation arm
when the stylus tip of
from the rim of
des Netz-
ab.
befindet.
Régler en tournant la
40mm du bord du
MECHANISM SECTION
POSSIBLE
1) Spring of damper arm (149) is
not move even
not in position.
2) Damper arm (149) is racing.
Pressure arm assembly (147) is
3)
not in position.
Restore lever assembly (129) is
4)
not in position.
1) Lead-in position
adjusted.
.
2) Restore lever assembly is out Of
positi on.
3) Spring torque of the damper arm
is inadequate.
4) Disk size selector
distorted.
5) Oil on friction
6) Dirt has accumulated
tion arm (36).
7) Elevation arm
1) Elevation arm is faulty.
Damper arm spring (151) is too
1)
strong (too weak).
1) Elevation spring (86) has deteri-
orated.
2) Foreign matter or dirt accumu-
lated between
and lifter sleeve.
1) Grease between
moves too fast.
sleeve has run
Fig.5. Power ON-OFF Position Adjustment
Abb.5. Justierung der ON/OF F-Position des Netzschalters
Fig.5. Réglage de Ia position marche-arrét ( PowerON-OFF)
ACTION
CAUSE
1) Loosely attach the spring to oil
cup (155) to see if smooth lead.
in can be made at a stylus force
•of 3 grams. Fix the spring if the
result is satisfactory.
2-a) Replace friction disk (148),
b) Replace lead-in drive unit
(162).
3) Correct the position of the
pressure arm assembly.
4) Correct the position of the
restore lever assembly.
is not correctly 1) Readjust.
2) Correct the position Of the
restore lever assembly.
3) Replace spring (151
(139) is 4) Replace.
disk (148). 5) Replace friction
6)
on eleva- Clean with alcohol.
7)
is distorted. Replace.
1) Replace.
1)
Adjust the position of the spring
toward "WEAK"
("STRONG" side).
Replace spring if too weak
l) Replace.
2) After cleaning the shaft and
lifter shaft (38) sleeve, replenish silicon grease
of 50000 CS to fill the oil
reservoir
shaft (38) and 1) Replenish the shaft oil reservoir
with grease of 50000 CS,
out.
filing to 80— 100% level.
5
disk.
side