Publicidad
AL-E77BK
Removal
Procedures
= Removal of the Dust Cover Ass'y
1. Remove two
screws
@
on both side panels, then
remove two screws (2) on the left and right of rear panel.
2. Remove the dust cover by lifting its both edges up softly.
Note when mounting:
The standard height of mechanism base is
11.5 mm from
the surface of the cabinet. This value is the standard for each
adjustment. Therefore, when mounting the dust cover, ad-
just to this value by using a tool, etc. on the left and right
of the unit.
=
Removal
of the Front Escutcheon
1. Remove E ring holding the platter, and release the drive
belt to remove the platter.
2. Remove three screws located on the front side of the bot-
tom board.
3. Remove the escutcheon by lifting it up at an angle as
shown in Fig. 5.
Adjustment Procedures
m
Offset (Tracking Error) Adjustment
1. Remove the dust cover and front escutcheon.
Note:
®
Check the standard height between the mechanism base
and the cabinet. (11.5 mm: see Fig. 4)
2. Mount the platter and platter mat and load a record.
3. Connect the voltmeter between TP501 pins (4) and (1)
5. Then, adjust VR501 so that the voltage between TP501
pins @) and (1) is DC 4.8V +0.05V.
6. Move the tonearm back to the center, and adjust the
screw in the tonearm rest part so that the voltage bet-
Fig. 6
ween TP501 pins (4) and (1) is DC 1.9 V~ 2.0 V in the
=
tonearm DOWN
mode.
Clockwise direction: decreases the voltage
Counterclockwise direction: increases the voltage
4
Notes:
ce
*
Repeat UP and DOWN several times so that the voltage
(
~~
in the DOWN mode is stabilized.
Tanentin
O
BFa—
Rest adjustment
®
Be sure to check the voltage in the DOWN mode.
'
Adjussng hole
Fig. 7
1-6 (No. 2896)
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