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4 Replacement Procedures
4.19 CPU
4 Replacement Procedures
4.19 CPU
Removing the CPU
To remove the CPU, follow the steps below and refer to figures 4-28 and 4-29.
CAUTION: 1) The CPU can become very hot during operation. Be sure to let it cool
before starting repair work.
2) When you remove the CPU, wipe the grease off of the bottom of the fin
and top of the CPU. Apply new grease when installing.
1. Remove the following screws securing the CPU holder, in the reverse order of the
number marked on the holder.
• M2×4B BIND screw ×3
2. Remove the CPU holder .
3. Remove the fin .
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4.19 CPU
4 Replacement Procedures
CAUTION: Silicon grease is applied between the fin and the CPU. When removing the
fin, be careful not to damage the CPU under the fin.
M2×4B BIND
CPU holder
FIN
Figure4-28 Removing the CPU holder and fin
4. Unlockthe CPU by rotating the cam on the CPU socket 180 degrees
counterclockwise with a flat-blade screwdriver (in the order shown in the figure
below).
5. Remove the CPU.
Cam
Figure 4-29 Unlocking the CPU
Satellite M30 Maintenance Manual (960-455)
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4 Replacement Procedures
4.19 CPU
Installing the CPU
To install the CPU, follow the steps below and refer to figures 4-28 to 4-30.
1. Make sure the cam is in the open position.
2. Seat the CPU in the CPU socket. Make sure the position is exact to avoid damaging
pins on the CPU.
3. Fix the CPU by rotating the cam 180 degrees clockwise with a flat-blade
screwdriver.
4. Apply new grease on the CPU using a special syringe as shown in the following
figure. Apply quarter of scale (0.25ml) of grease evenly on the CPU chip. When
silicon grease is already applied to the CPU, wipe them off with a close in advance.
CAUTION: When installing the CPU, apply new grease on the top of the CPU chip.
When installing the fin, make sure the bottom of the fin covers the top of the
CPU.
Figure 4-30 Applying new grease
5. Install the fin .
6. Place the CPU holder and secure it with the following screws in the order of the
number marked on the holder.
• M2×4B BIND screw ×3
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4.20 Speaker
4 Replacement Procedures
4.20 Speaker
Removing the Speaker
To remove the speaker, follow the steps below and refer to figures 4-31 and 4-32.
1. Remove the following screws and peel the insulator .
• M2.5×6B FLAT HEAD screw ×4
• M2.5×4B FLAT HEAD screw ×1 (upper left side)
M2.5×4B FLAT HEAD
M2.5×6B FLAT HEAD
M2.5 × 6B FLAT HEAD
Insulator
Figure 4-31 Removing the speakers
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4 Replacement Procedures
4.20 Speaker
2. Remove the following screw and cable holder .
• M2.5×4B FLAT HEAD screw ×1
M2.5×4B FLAT HEAD
Cable holder
Figure 4-32 Removing the cable holder
3. Remove both the speakers .
Installing the Speaker
To install the speaker, follow the steps below and refer to figures 4-31 to 4-32.
1. Set both the speakers .
2. Install the cable holder and secure it with the following screw .
• M2.5×4B FLAT HEAD screw ×1
3. Secure the following screws and stick the insulator to fix the speakers.
• M2.5×6B FLAT HEAD screw ×4
• M2.5×4B FLAT HEAD screw ×1 (upper left side)
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