Sanyo MCD-Z150F XE Service Manual page 6

Portable cd/stereo radio cassette recorder
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REPLACEMENT OF CD MECHANISM
c. Replacement and lubrication of the pickup
Before replacement of the pickup, be sure to carefully read the
l
section regarding the pickup when the unit is moved or
transported.
Remove a pickup rail (CM2) with a driver from the bottom of
chassis.
When removing or inserting the pickup rail from or into chassis,
take care not to exert excessive force.
When the pickup is reconditioned of replaced, be sure to wipe
the rails clean and also apply a coating of FLOIL (G-4748) to
there entire circumference and entire length.
When applying the grease, do not allow any grease to adhere
to any other parts.
Pass the pickup rail (CM2) through the new pickup (CM7).
(3)
.
The pickup P.W.Board pattern is "shorted", as shown in the
figure, so that the new pickup will not be susceptible to the
effects of static.
.
Set the pattern to "open" after the pickup has been replaced.
(short)
d. Checking the action of the CD mechanism
(1) Disconnect the socket (for the sled motor power supply) from
the P.W.Board.
(2) Apply a voltage of DC 2.OV to the sled motor's terminal.
(3) Measure the current during sled motor operation.
The direction of movement of the pickup (outer groove or inner
l
groove) can changed by changing the battery polarity.
(4) The current during sled motor action varies according to the
positional relationship of gear (CM5, CM6).
(5) If the current exceeds 40mA, remove the gears (CM5, CM6).
(6) Apply a small amount of a FLOIL (G-4748) bonding materials
to the shaft.
All manuals and user guides at all-guides.com
(open)
(1) Remove two screw (CYl) and remove the sled motor (CM3).

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