Fukuda Denshi CardiMax FX-8322, Service Manual

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Chapter 4 Operational Description
4-2
4-2 System Block Diagram
y
The internal block diagram and general specifications of FX-8322/FX-8322R body unit are shown below.
The following describes the blocks in bold.
Block name Outline of specification items Remarks
Primary power supply unit Switching power supply : Single power supply output
CPU board section &
secondary power supply
unit Charging/discharging control; generation of
various power supplies
: PCB-7285
Bus I/F : 16bit bus
Thermal head control :
Motor drive :
Sensor drive :
USB I/F : Supports Full Speed and Low Speed
SD CARD I/F :
RS-232C I/F :
Sound I/F
R-Sync I/F
ECG Amp board section ECG input : PCB-6731
Operation board section KEY, LCD I/F, and touch panel I/F : PCB-7359
CRT Board section External monitor I/F : PCB-7286
AC IN
CPU Board Section & Secondary Power Supply Unit
(PCB-7285)
Primary Power
Supply Unit
Speaker
Sensor Board Section
(PCB-7344)
RS-232C USB LAN
Touch
Panel
LCD
Thermal Head
Motor
Battery
ECG Amp Board
Section
(PCB-6731)
Operation Board Section
(PCB-7359)
SD CARD FAN
R-SYNC CRT Board Section
（
FX-8322R
）
Operation
Panel