4.17 Battery board / RTC battery  4 Replacement Procedures  
4.17  Battery board / RTC battery 
4.17.1 Battery board 
Removing the Battery board 
The following describes the procedure for removing the Battery board (See Figure 4-27). 
1.  Disconnect the RTC battery cable from the connector CN9990 on the battery board. 
2.  Remove the following screws securing the battery board. 
 M2.5x4.0B FLAT BIND screw    x2 
3.  Slightly pulling up the battery board, disconnect the battery signal harness from the 
connector CN9691 and the battery power harness from the connector CN9690 on 
the battery board. 
4.  Remove the battery board from the cover assembly. 
 
 
M2.5x4.0B  FLAT BIND 
Battery signal harness 
RTC battery cable 
CN9990
Battery board 
M2.5x4.0B  FLAT BIND 
Battery power harness
Figure 4-27  Removing the battery board 
4-46             [CONFIDENTIAL]    QOSMIO G20 Maintenance Manual (960-511)