Sanyo DC D30 Service Manual page 7

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MECHANISM REMOVAL (CD) ——-—+—_—__
(2) Replacing
and
lubricating
the pickup
1) Pull out the two
pickup rails (CM43) from the chassis (CM50).
2) The pickup (CM52) can now be removed
once the two pick-
up rails (CM43) have been taken out.
3) When
the pickup
has been
replaced,
be sure
to wipe
the
two pickup rails (CM43)
cleanly and apply grease
(FLOIL G-
4748) around
the entire circumference
of the rails and along
their entire length.
4) Pass the two
pickup
rails (CM43)
through
the
new
pickup
(CM52),
insert them
into the chassis (CM50),
and
fix them
in
place at an angle of 45° as shown in the figure.
Notes:
a.
When
applying
the
grease,
do
not
allow
any
grease to adhere to any other parts.
FLOIL
b.
If a part (indicated by the dots in the figure) of
(G-474B)
(G-474B)
the chassis (CM50) is damaged
in the process of re-
moving
or inserting
the two
pickup
rails (CM43)
from or into the chassis (CM50), wipe the damaged
area
with
a cloth
dipped
in alcoho!
(normal
hex-
CM50
BREAK
ane), and bond
it together using a bonding
agent
(Cemedine #575).
(3) Replacing
the
loading/sled
motor
7
SHAFT
1) The
loading/sled
motor
(CM38)
can
be
removed
from
the
chassis (CM39)
once
the screw
(CM24)
securing
the
motor
(CM38) is removed.
,
2) Mount
the
new
loading/sled
motor
(CM38)
onto
the chassis
(CM39) using the screw
(CM24).
aoe
(4) Checking
the
loading/sled
motor's
operation
1) As shown in the figure, connect an ammeter and a DC pow-
er supply to the loading/sled motor (CM38), and set the tray
open and end switches to the "off" [open] positions.
2) Check
that the pickup (CM52)
moves
smoothly
without
stop-
ping from
the inner circumference
of the compact
disc to-
ward its outer circumference when
a DC 0.6V voltage is ap-
plied from the DC power supply.
3) The disc tray is housed inside and the gear (CM9) slips when
a DC 4V
voltage
is applied
from
the
DC
power
supply.
Check
that the ammeter
indicates
120mA
or more
at this
time.
SLED
MOTOR
CM38
ATTACHMENT ANGLE
SPINDLE
RE
MOTOR
BK
AMPERE
VOLTAGE
METER
0.6V
LOADING/
SLED
OR)
o
MOTOR
BL|O
-
TRAY OPEN/
END SWITCH
OF MOTOR

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