Siemens SC 7000 Service Manual page 69

SC 7000 and SC 9000XL Patient Monitors
7.1.2 Installing Front Bezel PC
Board
ASK-T898-03-7600
7k9kXLSM.c3.CD_ROM.fm/04-99/kaupp
6) Unplug optical encoder ribbon cable connector (
page 51 and Figure 3-12 on page
7) Refer to Figure 3-10
#
encoder shaft in position in front bezel, and remove optical encoder
subassembly through back of panel. Save nut, and lock washer /
positioning washer combination
@
8) Refer to Figure 3-10. Unplug membrane switch ribbon cable connector
and display backlight connectors
display screenflex cable connector
subassembly PC board.
9) Slide small screwdriver under tab near bottom on right hand side of
display subassembly, and carefully lift display subassembly (
Figure 3-10) out of front bezel frame. Set subassembly aside on a
clean flat surface for use in reassembly.
Note: Be very careful that no dust or other foreign matter gets on the
front bezel lens or on the display screen surface.
10) Remove and save two screws (
securing Front Bezel PC Board interface connector to mounting tabs
on front bezel frame.
11) Remove and save two remaining screws (
Figure 3-10) securing Front Bezel PC Board to front bezel frame.
12) Lift bottom right hand side of Front Bezel PC Board off of front bezel
frame, and slide board out from under interface connector mounting
tabs to remove board.
1) With optical encoder and display screen subassemblies removed, and
front bezel subassembly laying face down on a smooth clean surface,
bottom facing you, slide Front Bezel PC Board into position on
mounting posts on front bezel frame, with interface connector housing
under front bezel frame connector mounting tabs.
Caution
The flex cable and connector on the right-hand side of the Front
Bezel PC Board can be easily damaged. Be particularly careful
when positioning the board in the front bezel subassembly or
reinstalling the display screen subassembly in step 5 below.
2) Install screws removed in
housing but do not tighten until
3) Install screws removed in
Bezel PC Board to front bezel frame.
4) Tighten screws installed in
housing to front bezel frame.
5) Locate display subassembly in front bezel frame and press to seat
subassembly into position.
Note: Be very careful that no dust, finger prints, or other foreign
matter is on the front bezel lens or on the display screen surface.
Siemens Medical Systems, EM-PCS Danvers
NOT A CONTROLLED DOCUMENT
52) from Front Bezel PCB.
or Figure 3-12. Unscrew nut
9
for use in reassembly.
?
;
from Front Bezel PCB, and
from display screen
(
in Figure 3-11 on page
!
in
step 10 above into interface connector
step 4 below.
step 11 above, and tighten to secure Front
step 2 to secure interface connector
Service Manual
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in Figure 3-10 on
H
securing optical
"
in
51)
&
Figure 3-11 and in
53