14. S3 Maintenance
- Rear cards (VPU, Link, I/O)
- CPU module.
- Link card interposer.
Note: Refer to the related procedures to remove t hese parts. Remove these parts requires removing lot of parts from the unit
(Power supply, Power interposer, Powe r supply guide, Side Support Plate ...)
Note: It is not necessary to remove the s olid state m em ory, the system battery and the other cables to give access to the
motherboard fixing screw s.
6. Remove the Motherboard from the Motherboard mount.
a) Remove the three m/f standoffs (4-40 X 3/16” .25” ) that attach the Motherboard to the M otherboard mount.
b) Remove the fiv e m/f standoffs (m 2.5 X 8mm) that attach the Motherboard to the Motherboard mount.
c) Remove the sixteen long pan head S EMS screws (4-40x.31” — SEM S refers to an integrate lock washer) that a ttach the
Motherboard to the M otherboard mount.
Image 14-80
7. Locate the VFD cable that is plugge d on the Motherboard.
R5905948 EVENT MASTER DEVICES 17/07/2017
465