Service manual

UCW and Ultraview 1700 Monitors — Service Manual
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The main enclosure is the most visible part of the system.
Inside are the following assemblies:
• CPU, I/O, and interconnect PCBAs
• Backpanel PCBA
• Module housing
No internal adjustments are possible on the monitor.
Monitor Power Supply
The main enclosure does not include an AC-to-DC power supply. AC-to-DC power conversion is
provided by an external DC supply. The external supply provides the monitor enclosure with
18
VDC. The 90387 includes internal DC-to-DC converters to generate appropriate operating
voltages from the 18-volt supply.
Display
The display provides the visual interface to the system user. The 90387 must be used with an
external display that is sold separately. Spacelabs Medical has medical-grade and non-medical-
grade displays available.
The 90387 can also be used with an external non-Spacelabs Medical display that conforms to
the following specifications:
• Resolution of 1024 × 768 dpi, minimum
• Vertical refresh rate of 64 Hz
• Horizontal refresh rate of 51.584 kHz
• Video dot rate of 68.5 MHz
• Standard XVGA
• H-sync and V-sync support or sync on green
• Audio support
Touchscreen Assembly
The 90387 only supports ELO-Touch brand touchscreens when using the serial port. When used
with the 91416-B, infrared touch is supported.