Passport 5-Lead, 5L, LT, XG Service Manual
0070-00-0420
4 - 9
Repair Information
Disassembly Instructions
2.
Locate the two screws behind the recorder door (towards the back).
3.
Loosen the two screws and slide the recorder out of the rear housing.
4.
Disconnect the ribbon cable (33) from the recorder and remove recorder.
D. Removal / Installation of the Sidestream CO
2
Pump Assembly (162)
1.
Remove the board sub-assembly.
2.
Disconnect the pump cable connector from J103 of the CO
2
Module (98).
3.
Disconnect the tubing (155) from the input and output ports of the pump. Unfasten the
two shock mount brass screws (163) from the left NIBP bracket (28). Remove the pump
(162) and bracket assembly (165) from casing. Remove the two pan head screws (139)
from the pump bracket assembly. Attach the new pump to the pump bracket with the two
pan head screws.
4.
Place the pump assembly and bracket onto the NIBP bracket. secure the pump assembly
with the two shock mount brass screws. Connect the hose from the filter housing
assembly to the input port of the pump. Connect the hose that attaches the scavenging
system to the output port of the pump.
5.
Connect the pump connector to J103 of the CO2 module (98).
E. Removal / Installation of the Passport XG Color LCD Backlight Tube
WARNING: The following precautions should be observed before
replacing the backlight:
1.
Replacement of the backlight involves the handling of High Voltage circuits. If
replacement was done incorrectly, the display could present a shock, fire, or other
hazard, both during and after the replacement procedure. Make certain that the
Passport is turned OFF, the external power supply is disconnected, and all
batteries have been removed. Also, since the High Voltage power supply can hold
a charge, be sure to wait some time after switching the power OFF before starting
any work.
2.
Since the backlight tube and the High Voltage power supply can be HOT after
use, there is a danger of injury by burning. Therefore, be sure to wait some time
after switching the power OFF before starting any work.
3.
The fluorescent lamp of the backlight is glass and may in some cases be
damaged. Take adequate care not to injure yourself while doing this procedure.
Moreover, if the lamp is damaged inside, apart from safety considerations,
quality problems may occur, such as uneven brightness from pieces of broken
glass left inside the display. In this case we recommend that you return the unit to
Datascope for repair.
4.
Since the backlight uses a cold cathode fluorescent lamp, dispose of it in
accordance with the regulations in effect in your area.
5.
Since the display can be easily damaged, take care not to scratch, mar, chip,
etc., the front surface.
6.
Static electricity (ESD) can damage the display. When handling the display take
adequate precautions to eliminate static electricity (grounded wrist strap, ionized
air blower, conductive mat on work surface, etc.).
7.
Do NOT touch the reflective surfaces inside the backlight holder, or the fluorescent
lamp, or any connector contacts with your bare hands. Oil and other
contaminants on your hands can damage these surfaces and contacts.
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