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M2540-92000-01 A M2540 Ultrasound System Field Service Manual Page 48
Theory of Operation: Functional Block Diagrams
Figure 4-1 System Block Diagram with VCR Option
System control panel
Internal PC
Floppy disk
drive
Optional
MO drive
CD-RW drive
Optional
Physio module
PC
motherboar
VCR option
sound board
VCR option
capture board
VCR option
converter
board
PC power
Graphics
adapter board
APIO board
Microphone
Monitor
I/O
panel
Hard disk drive
USB
RS-232
Com
Speaker Speaker
S-video
USB
Audio
SVGA
adapter
SVGA video
S-video
Composite video
LAN
System power
supply
(see Figure 4-2
for detail)
AC power
Trigger
USB
R-wav
AC power
AC power
AC power
To e-box (see Figure 4-2)
Audio
Optional
VCR
Optional printers
(up to 2)
DC power
Audio
Audio
Token ring
Foot switch
To remote
USB printer
USB