Alpine Ai-NET CHA-1214 Service Manual page 48

DW SERIES
10. Spindle motor assembly replacement method
(1) Remove the pickup unit and then desolder solder
(D). (Refer to Figure 7-3.)
(2) Remove 2 screws @. (Refer to Figure 8.)
< Assembly notes >
@ Do not apply any pressure to the table of the spindle
motor assembly.
@ When soldering, take care insulation of wires are not
damaged.
@ Make sure the pickup flexible P.C. Board is locked to
the connector.
@ When using the soldering iron, keep temperature at
tip of the iron within 30020.
11. FPC drive P.C. Board replacement method
(1) Desolder solder (C) at sled motor assembly and
loading motor assembly. (Refer to Figures 7-7, 7-8.)
Take care not to damage the flexible P.C. Board.
(2) Remove 1 screw @ and hook (B), and remove the
P.C. Board from the boss (B). (Refer to Figures 7-3,
7-9)
<Assembly notes >
@ Perform the P.C. Board forming by referring to
Figures 7-2, 7-3, 7-5~~7-10, and set it correctly.
@ When soldering each motor, perform the soldering
with the motor attached to the motor case closely.
12. Sled motor assembly replacement method
(1) Remove washer (E) and remove gear, stud. (Refer
to Figure 7-4.)
(2) Remove 2 screws @. (Refer to Figure 7-4.)
<Assembly notes >
@ Make sure the gears are correctly engaged.
@ Do not use washers used once when assembling.
@ When mounting washer, take care the washer is not
deformed or damaged.
13. Loading motor assembly replacement method
(1) Remove 2 screws @ (Refer to Figure 7-1.)
<Assembly notes >
@ Take care teeth of gears are not damaged.
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