Mindray DP-9900Plus - Page 29

Hardware Introduction
2-4
Power
Supply
Board
Main Board
Main Board
Main Board
Transducer
Board
Transducer
Board
Lower Fan 20pin
6pin4pin*3 4pin
Hard connection
Soft connection
Display
13.5v
Upper Fan
12v
Keyboard
5v,12v
CD-ROM
5v,12v
Diskette Drive
5v,12v
Hard Disk
5v,12v
12V
Power Supply Filter
2.5V
3.3V
D1V5
High-frequency Filter
5V,12V 13.5V 12V
12V
POUT[128:81]
POUT[80:1]
FID[8:1]
ENB
NAIDRD
NBIDRD
EX_EN
PHV
A-5
A+5
D12V
D+5
A13V5
D3V3
D+5,D12V,A13V5
5V,12V,13.5V
Voltage
Reduction
3V
1.2V
2.2.3.1. Interfaces to Power Supply Board
The interfaces between the connection board and the power supply board are defined in the
table below.
P1
A B C
1
PHV PHV PHV
2
NC NC NC
3
GND GND GND
4
A-5 A-5 A-5
5
GND GND GND
6
12V 12V 12V
7
GND GND GND