Datex-Ohmeda D-VHC17, Техническое справочное руководство

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Displays and Controller Boards
Document No. 8001004-1
15
3.2 Service check
These instructions include complete procedures for a service check. The service check is
recommended to be performed after any service repair. However, the service check procedures can
also be used for determining possible failures.
The procedures should be performed in ascending order.
The instructions include a check forms (
Appendix A-E
) which should be filled in when performing
the procedures.
The mark
?
in the instructions means that the check form should be signed after performing
the procedure.
The procedures are designed for monitors with S/5 monitor software of revision 01. However, most
of the procedures also apply to monitors, which contain some other monitor software
type/revision.
3.2.1 Video Display, D-VMC15
Tools needed Command Board, Central Unit, B-DISP, parameter modules, keyboard (K-ANEB/K-ICUB)
•
Turn the monitor to STBY.
1. Check that the display cover and the picture tube screen are intact.
?
2. Check that the display power cord is locked to the display with a power cord guard.
?
3. Disconnect the display power cord from the power supply unit and check that the connector
pins are clean and straight. Check that the power cord is intact.
Reconnect the power cord properly.
?
4. Disconnect the display video cable from the B-DISP and check that the connector pins are
clean and straight. Check that the video cable is intact. Check that the thumb screws on the
video cable connector are intact.
Reconnect the video cable and lock it properly.
?
5. Turn the monitor on. Check that the power-on indicator LED on the display front panel lights
up.
?
•
Prepare the picture for adjustments by pushing the menu key HELP on the Command Board
and removing one of the connected plug-in modules from the Central Unit. Wait until the
message regarding the removed module appears onto the monitor screen.