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Sony MZ-R90/R91 User Manual

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Page of 51
– 12 –
4
two precision pan screws
(M1.4)
5
DC motor (sled) (M602)
1
Remove four solders of 
motor flexible board.
2
washer (0.8 - 2.5)
3
gear (SA)
1
Remove six solders of 
motor flexible board.
4
three precision pan screws
(M1.4)
qs
DC motor (over write head up/down) 
(M603)
6
two precision pan screws
(M1.4)
qa
gear chassis assy
0
screw
(M1.2 
×
 1.5)
9
gear (HA)
8
gear (HB)
7
washer (0.8 - 2.5)
2
washer (0.8 - 2.5)
3
gear (HC)
5
DC motor 
(spindle)
(M601)
DC motor
(over write head up/down)
(M603)
gear chassis assy
gear (HA)
2.65 mm
Note: Press-fit the gear (HA) up to the 
position of the DC motor (over write
head up/down) (M603) as shown 
below.
3-9. MOTOR, DC (M602)
3-10. “MOTOR, DC (M601)”, “MOTOR, DC (M603)”