Lenovo B8080h Service Manual

							Lenovo B8080 
4. Remove the main board. 
Figure 14-4. The removed main board 
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Lenovo B8080 Hardware Maintenance Manual 
1150 3G antenna (for 3G version only) 
Note: 
The 3G antenna is a standard component of the 3G version product only; the 
WiFi version only has an antenna frame at the same position as the 3G 
antenna shown in the figures of this section. 
For access, remove the following FRUs in order: 
• “1010 Rear cover ” on page 28 
•  “1140 Main board” on page 65 
1. 
Remove screws a on the 3G antenna as sh own in the figure below. 
Figure 15-1. The screws on the 3G antenna 
Step Screw (quantity)  Color Torque 
a Phillips flat-head screw, M1.4 × 2.5 (2)  Black N/A 
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Lenovo B8080 
2. Detach the 3G antenna by slowly peelin g off its conductive fabric from the 
front module. 
Figure 15-2. Detaching the 3G antenna 
3.  Remove the 3G antenna. 
Figure 15-3. The removed 3G antenna 
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Lenovo B8080 Hardware Maintenance Manual 
1160 USB FPC 
For access, remove the following FRUs in order: 
• “1010 Rear cover ” on page 28 
•  “1140 Main board” on page 65 
•  “1150 3G antenna (for 3G version only)” on page 68 
1.	 
Remove screws a on the holder of the USB FPC as shown in the figure 
below. 
Figure 16-1. The screws on the holder 
Step  Screw (quantity)  Color Torque 
a Phillips flat-head screw, M1.4 × 2.5 (2)  Black N/A 
2.  Remove the holder of the USB FPC. 
Figure 16-2. The removed holder 
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Lenovo B8080 
3. Detach the light sensor end of the FPC us ing a thin flat blade as shown in the 
figure below. 
Figure 16-3. Detaching the light sensor end of the FPC 
4.  Remove the USB FPC. 
Figure 16-4. The removed USB FPC 
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Lenovo B8080 Hardware Maintenance Manual 
1170 Power key 
For access, remove the following FRUs in order: 
• “1010 Rear cover ” on page 28
 
•  “1090 Rear camera” on page 53
 
•  “1120 Left speaker ” on page 60
 
1.  Push out the power key as  shown in the figure below. 
Figure 17-1. Pushing out the power key 
2. Remove the power key. 
Figure 17-2. The removed power key 
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							Lenovo B8080 
Locations 
Front view 
Front camera 
Left speaker 
Right speaker 
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Lenovo B8080 Hardware Maintenance Manual 
Rear view 
Earphone socket 
Volume key 
Microphone 
Micro-SD card slot 
SIM card slot (for 3G version only) 
Micro-USB connection 
Rear camera 
Power key 
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Lenovo B8080 
Parts list 
This section presents th e following service parts: 
Notes: 
The listed FRUs are applicab le to both versions of the product, i.e. the 3G 
version and the WiFi version, unless otherwise specified. 
Overall 
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