GE M
EDICAL
S
YSTEMS
D
IRECTION
2392751-100, R
EVISION
3
V
IVID
™ 4 S
ERVICE
M
ANUAL
Chapter 8 - Replacement Procedures
8-35
Section 8-4
Front End Parts Replacement
8-4-1
Front End Boards Replacement Procedure
NOTE:
The procedures below provide the instructions for replacing the following boards:
FB, MUX, BF, FEC, RFT, IMP, or RFI.
8-4-1-1
Tools
Use the appropriate flat and Phillips-type screw drivers and an ESD wrist band strap as indicated in the
front end boards replacement procedures.
CAUTION:
DO NOT TOUCH ANY BOARDS WITH INTEGRATED CIRCUITS PRIOR TO
TAKING THE NECESSARY ESD PRECAUTIONS:
1.ALWAYS CONNECT YOURSELF, VIA AN ARM-WRIST STRAP, TO THE ADVISED ESD
CONNECTION POINT LOCATED ON THE REAR OF THE SCANNER (TO THE RIGHT OF
THE POWER CONNECTOR).
2.FOLLOW GENERAL GUIDELINES FOR HANDLING OF ELECTROSTATIC SENSITIVE
EQUIPMENT.
8-4-1-2
Preparation
Shut down the Vivid™ 4 ultrasound unit, as described in
.
8-4-1-3
Front End Boards Removal Procedure
CAUTION:
FRONT END BOARDS ARE HEAVY!
FAILURE TO TAKE PRECAUTIONS WHEN LIFTING , COULD RESULT IN PERSONAL INJURY AND/
OR DAMAGE TO THE SYSTEM.
1) Remove the
left
side cover, as described in the
.
2) Remove the front door of the crate by unscrewing the two large screws at the top of the door, and
gently pulling the door down and lifting it off its hinges.
3) Release the plastic latches located at the top and the bottom of each card (board) - see
Figure 8-31 Front End Boards
Upper latch
Lower latch
FE Board
