3-1
3
Principle Description
3.1
Electric Principle of the System
The system consists of transducer module, transmission module, reception module, CW
module, beamformer module, B/M-mode signal processing module, color flow signal
processing module, Doppler signal processing module, DSC module, CPU system, ECG
module, and input/output module, etc.
Transmission
board
Transducer
interface
board
Amplifier
board
DSP
board
A+5V
A-100V
A+100V
PHV1
-
PHV1
PHV2
-
PHV2
A+5V
A-5V
A+12V
D+3.3V
D+5V
D-12V
A+5V
A-5V
D+5V
D+3.3V
D+5V
D
+
3.3V
D+12V
A-5V
A+5V
POUT
B , M
Front-end FPGA
configuration bus
CW board
Beamformer
Front-end control bus
Scan control
signal
Scan control
signal
Connector
Data bus
A+5V
A-5V
D+3.3V
A+12V
PHV1
-
PHV1
D+5V
IO connecting
board
Hard-
wired
Hard-
wired
C, CM
PW, CW
ECHO
Transducer
board
Power
IO
board
HDD
connecting
board
PFC board
+5V board
-
5V board
PHV board
isolation
transformer
external
auxiliary
output
external
power
input
peripheral output
auxiliary
output
adapter board
system motherboard
Power output detecting board
Power motherboard
Fan connecting
board
LED board
Fan
Summary of Contents for DC-6
Page 1: ...DC 6 DC 6T DC 6Vet Diagnostic Ultrasound System Service Manual...
Page 2: ......
Page 20: ...2 1 2 System Overview 2 1 System Appearance 2 1 1 Complete System with CRT Monitor...
Page 23: ...System Overview 2 4 2 2 LCD Monitor...
Page 26: ...System Overview 2 7 2 2 3 Lever of upper support arm...
Page 66: ...4 1 4 System Structure and Assembly Disassembly 4 1 Exploded View of Complete System...
Page 101: ...System Structure and Assembly Disassembly 4 36 Power boards Card detacher...
Page 191: ...P N 2105 20 40473 V10 0...