Mitsubishi Electric DD-8020, Service Manual

Page: 27 / 68

1-3-4. Sub Chassis (with a pickup mechanism)
1. Turn the mechanism chassis assembly (1) upside down.
2. Remove one screw (2) and one washer (3) release the
boss “A” from the claw. Then remove the sub chassis (4)
(with the pickup mechanism) by sliding in the arrow
direction.
3. When mounting, perform the reverse order of the
removal.
Note:
• When mounting the sub chassis (4) (with the pickup
mechanism), first, insert the boss “C” along the groove
of the cam slider up/down cam (5) and next, the boss
“B” and “A”.
• The boss “A” may be used with washers. (One or two
washers are used to prevent from the slust rattling. In
some cases, no washer is used.)
When the washer(s) is used, be sure to assemble as it
was without losing.
Fig. 2-1-16
Screw (2)
Boss A
Washer
Washer (3)
Sub chassis (4)
(with the pickup mechanism attached)
Boss C
Boss B
Cam slider
up/down cam (5)
Groove
Claw
Groove
Mechanism chassis
assembly (1)
Boss A
Claw
Boss B
Groove
1-3-3. Loading Motor
1. Remove the loading belt. (Refer to item 1-3-2.)
2. Remove two screws (1) and two claws. Then remove
the loading motor (2) (with the loading motor PC
board (3) attached).
3. Desolder the terminal section of the loading motor (2)
and remove the loading motor PC board (3).
4. Replace the loading motor (2) with a new one.
5. When mounting, perform the reverse order of the
removal.
Note:
• When replacing the loading motor, meet the polarity
phase of the terminals. (Mount the motor with the
label positioned as shown in Fig. 2-1-15.)
Fig. 2-1-15
Screws (1)
Mechanism
chassis assembly
Claws
Loading motor (2)
Motor label
side
Loading motor
PC board (3)
Desolder
2-7