GE Medical Systems LOGIQ ?200 Service Manual page 138

GE MEDICAL SYSTEMS
REV 5
6–2–22 Mother Assy (FRU No. 308)
Time Required
0.5 Hours
Tool Required
Screwdriver
Hexagonal Wrench
Procedure
An electrostatic discharge may damage a component. Turn OFF power and wear the wrist
strap before you remove a circuit boards. Do not unplug the power cord to keep ground
continuity.
Do not bend or flex the boards when mounting/dismounting each board. Surface mount IC
boards are very susceptible to damage from flex/torque.
Refer to ILLUSTRATION 6–28.
1. Turn OFF the system.
2.
Remove the Left Cover (FRU 404). Refer to 6–2–27.
3.
Remove the Right Cover(FRU 405). Refer to 6–2–28.
4.
Remove the Front Base Cover (FRU 406). Refer to 6–2–29
5.
Remove the Front Cover (FRU 407). Refer to 6–2–30.
6.
Remove the EMI Cover L (FRU 421). Refer to 6–2–43.
7.
Remove the four PCB Guide Assy (FRU 422). Refer to 6–2–44.
8.
Remove the four P.C.Boards (FRU 301 to 304). Refer to 6–2–18.
9.
Remove the Shield Panel (FRU 307). Refer to 6–2–21.
10.
Disconnect fifteen connectors connected with the mother board. (J1 – J13, J18 – J29)
11.
Unscrew two screws (a and b), and remove the Bracket Harness. If necessary, cut the tie wrap.
12.
Unscrew 25 screws (1 – 25).
13.
Remove the Mother Assy (FRU No. 308).
CAUTION
6–54
LOGIQ α200 SERVICE MANUAL
2138853
RENEWAL PARTS