Philips Healthcare
SERVICE BULLETIN
Issued by
T
ITLE: SB86201431B - Expression (DCU) Motherboard Upgrade
APPLIES TO:
Geography :
:
PM-A Jason Pereira
SB Ref No.
Date : 4/13/2012
:
SB86201431B
INFORMATION ONLY — NO ACTION REQUIRED
Worldwide
Commercial (Sales) Product
Number
Range of Serial Numbers
PMS Number:
865214
ALL
Part Number:
865214
The only change from Rev. A to Rev. B is the correction of a part number
and location of an arrow in section C, slides 13 & 14. There is no change
to the procedure.
SERVICE BULLETIN INFORMATION:
This document is to provide instruction for a Geode Motherboard Upgrade on an Expression DCU.
This upgrade will be necessary whenever a 453564174041 Motherboard (Old style) has failed and
needs to be replaced. The 453564263971 motherboard (New style) is the replacement for the
453564174041 Motherboard (Old style).
Note: It may be advantageous in some circumstances to simply order the exchange
“DCU” instead of replacing the motherboard.
The below parts are necessary to perform this upgrade.
SERVICE BULLETIN SB86201431B Page 1 of 10
(1) 453564263971 PCA Geode based MRI Motherboard
(1) 453564253291 STAMPING BRKT, GEODE MOTHERBOARD, DCU
(1) 453564155941 SCR, #6-32 X 3/8 LG, PHMS-XR, SS, NM, PL
PROCEDURE:
A. Prepare Unit for Upgrade
1. Remove 453564060621 front feet by removing
453564155941 Screws and 453564133441 washers.
Set aside for re-use.
2. Lift, remove and set aside 453564107941 Bezel for
re-use
3. Remove 11 ea 453564116751 screws and set aside
for re-use
SERVICE BULLETIN SB86201431B Page 2 of 10
B. Remove 453564174041 Motherboard
1. Unplug 14 ea cables from Motherboard as
shown
2. Remove 7 ea 453564155941 Screws from
motherboard
3. Set aside screws for re-use
4. Remove 1 ea 453564099571 Screw from
453564137681 Battery Holder
5. Set aside screw and holder for re-use
6. Remove 453564105841 cable from backside of
Motherboard
7. Set aside Mother and Daughter Boards
8. Boards will not be re-used
SERVICE BULLETIN SB86201431B Page 3 of 10