Troubleshooting - Siemens Siremobil Compact L Instructions Manual

Replacement of the 15" LCD Color TFT Display
ENTER
Selects the available sub menu or parameter.
If the parameter was changed, the enter key confirms the selected value and returns to
the previous displayed OSD menu.
UP / DOWN
If the OSD menu is inactive (not visible), pressing the key selects the automatic search of
a video signal at the video input connectors.
If the OSD menu is active, pressing the key up or down scrolls though the available menu
items of the OSD menu (highlighted in blue)
or changes the available parameter value (if highlighted in red).

Troubleshooting

External switched-mode power supply
•
Measure the output voltage, printed on the external switched-mode power supply.
•
It can also be checked by swapping the low voltage connectors from one to the other
installed TFT display.
TFT Display
•
Depending on the malfunction, ensure that the display is the defective part.
NOTE
- Check the switched-mode power supply.
- Check the connectors (low voltage input, video signal input)
- Check the video signal of the MEMOSKOP with the SMPTE test pattern
(300mV Sync +/- 10%, 1Vss +/- 10% (in 100% peak white field)).
- Check the input selection switch (at the bottom side of the TFT display).
The switch can be set in 3 positions:
1. Position to the rear: VGA input selected
2. Middle position: BNC-Input selected, 75Ohm termination resistor is off.
3. Position to the front: BNC input selected, 75 Ohm termination resistor is on.
- Check the settings of the on screen menu, in accordance with the user manual.
Siemens AG
Medical Solutions
The TFT display includes no repairable parts and has to be
changed completely if defective.
SPR2-130.841.03
Rev. 02
Page 7 of 20
06.05 CS PS 24
7
1
1
1
1
1
Siremobil Compact L