Service manual

Neurodiagnostic Instruments Service Manual
3 - 24 Revision 2/18/05
Step Action
1. Disconnect all cables to the rear of the
computer and remove the computer from
the cart. Place the computer on a static mat,
and use a wrist strap when working inside
the computer.
2. Loosen the two rear panel screws that hold
the cover to the chassis. Slide the cover
back about one-half inch and lift it up and
off the chassis.
3. Remove the cards in the motherboard
expansion slots and set them aside on a
static-free surface.
4. Remove the DVD drive and internal
speakers. The mounting cage for these
devices is held to the chassis with two
screws.
5. Remove the hard drive(s) from the chassis.
Each drive is held in place by a single screw.
6. Remove the cooling fan from the rear
chassis. It is held in place with four screws.
7. Carefully note the placement and
orientation of each connector to the
motherboard for easier reinstallation.
Disconnect all remaining cables from the
motherboard.
8. Unscrew the motherboard from the chassis
(eight screws), carefully remove the
motherboard from the chassis, and place it
on a static-free non-conductive surface.
9. Remove the three 6-32 phillips screws that
hold the power supply to the chassis.
10. Rotate the power supply sideways towards
the center of the chassis and remove it from
the chassis.