16
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
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Repair for Spindle motor (VM1)
• Disassembly
1) Removing to 3 screws (B) and Spindle motor (VM1).
• Assembly
1) When the fixed position of the spindle motor (VM1) is im-
perfect, the CD disc play ability is poor for the unit. Please
be sure to fixed spindle motor position.
2) The tip of the minus driver is put into the portion of A, the
spindle motor press of direction of side B, and the screw is
fixed in order of 1, 2, and 3. (Torque 3
±
10% kgf.cm)
VM1
1
2
3
1
3
A
2
B
A
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Removing the slider (17 and 18)
1) Removing the spring (62).
2) Move the slider (18) in the center of main chassis (1).
It gets over the slider for the boss of the main chassis (1).
Note: Right side (17) same as disassembly for left side (18).
62
62
SLIDER (18)
SLIDER (18)
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Removing the Loading Motor (VM3)
1) The lead (2 places) of the loading motor (VM3) is removed.
2) The washer (J: 2 pcs) and loading motor (VM3) is removed.
Note: Be careful of direction of the gear (36, 37, 38) and an
axis at the time of assembly.
The washer (J) for bracket that has stopped the loading motor
(VM3) is not reusable.
When you remove, please be sure to exchange.
VM3
J
J
37
38
36
46
38
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Removing the DVD unit (PCB)
1) The lands (2 points) for LD protection of the Optical Laser
pickup is short-circuited with solder.
2) The connector (4 places), the lead (2 places) grand land
for loading motor, and the screw (2 pcs) are removed.
LD SHORT LAND
DVD UNIT
VM2
B
B
VFC1
VM2
VM1
DISASSEMBLY AND ASSEMBLY OF MECHANISM
