Service Manual SC 7000 and SC 9000XL Patient Monitors
52 Siemens Medical Systems, EM-PCS, Danvers ASK-T898-03-7600
NOT A CONTROLLED DOCUMENT 7k9kXLSM.c3.CD_ROM.fm/04-99/kaupp
7 Replacing
Subassemblies in
Front Bezel
Subassembly
Replaceable subassemblies in the Front Bezel Subassembly are as
follows:
• Front Bezel PCB Subassembly (
4
in Figure 3-10 on page 51)
• Optical Encoder Subassembly (
0
,
@
,
3
, and
5
in Figure 3-10 on
page 51, also see Figure 3-12 on page 52)
• Front Bezel/Lens Subassembly (
in Figure 3-10 on page 51,
includes bezel w/ lens, display subassembly mounting frame, metal
logo, and feet)
• Backlight Lamps (see Figure 3-13 on page 54)
Note: The Front Bezel Subassembly, which includes all components
shown in Figure 3-9 on page 50, is also available for replacement as
a complete subassembly, (except for the language and model labels
which must be ordered as a separate kit).
7.1 Front Bezel PC Board
7.1.1 Removing Front Bezel PCB It is necessary to remove the retainer plate, optical encoder subassembly,
and display screen subassembly, to access and remove the Front Bezel
PCB.
1) With front bezel subassembly laying face down on a smooth clean
surface, remove and save six securing screws (see
0
in Figure 3-11
on page 51) from retainer plate.
2) Move retainer plate slightly left to slide tabs on right hand side of plate
(
9
in Figure 3-10 and
5
in Figure 3-11 on page 51) out of tab slots
in side of front bezel frame.
3) Lift bottom edge of retainer plate and slide plate out of tab slots (
4
in
Figure 3-11 on page 51) in top of front bezel frame.
4) Set retainer plate aside for use in reassembly.
Figure 3-12Optical Encoder Subassembly. See Note in Figure 3-10
caption.
5) Remove rotary knob (
0
in Figure 3-10 on page 51 and in Figure 3-12.
Note: Rotary knob is press fitted onto metal shaft of optical encoder
subassembly. It must be removed very carefully if it is to be
reinstalled. To remove knob, grip it
very
firmly with vise-grips or
similar tool, and pull it straight out and off of metal shaft. Avoid turning
knob. Placing a piece of cloth around knob should prevent scratching
by vise-grips, and allow knob to be reused.
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