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4-14
HSB-80 HS Adapter
This section explains the block diagram and the functions of the HSB-80 HS Adapter.
POWER Board (PCB-7499) Circuit Description
POWER Board selects the power supply to be used from the BS-8210 Base Unit, other system
connected by the module LAN or the BTO-008 Lithium-ion Battery Pack.
It also charges the BTO-008 Lithium-ion Battery Pack, remotely controls the start-up and monitors
the voltage. Additionally, the POWER Board converts the input power to 12V by the DCDC
converter and supplies it to the HS-8000.
CPU
The CPU controls power supply IC / charge IC, and processes manipulated input signals from the
Remote Control Unit. FLASH MEMORY, Timer and SCI (Serial Communication Interface) are
incorporated.
Power Supply Controller
Judges power supplies from the BS-8210 Base Unit and the module LAN, and select the power
supply to be used. The power will be supplied to the LC-8210 Display Unit without step-up/down.
The priority of the power supply is “BS-8210 (AC power supply) > Module LAN > BS-8210 Li-ion
Battery > HSB-80 Li-ion Battery”.
Board Power Supply (DC/DC converter, series regulator)
Receives DC18V power supply from the BS-8210 Base Unit or the module LAN and DC12.5V to
17.2V power supply from the Li-ion battery, and generates the power voltage to be used inside the
board or other module block.
Charge Controller
Controls charge of the BTO-008 Lithium-ion Battery Pack. The rapid charge (during standby) and
normal charge (during operation) are switched depending on the state of the main unit. Voltage
/current protection in the Battery Pack is provided as well as overvoltage protection on the POWER
Board and protection by software/hardware timer.
PCB-7499
LC I/F Board
PCB-7505
Li-ion Battery
Charge Controller
電源コントローラ
基板内電源等
BS-8210
Base Unit
BTO-008
Lithium-ion
Battery Pack
CPU
SIGNAL Board
PCB-7503
BATTER I/F Board
PCB-7487
HS I/F Board
PCB-7504
Module LAN
(Other system)
Power Supply
Controller
Board Power
Supply, etc.
Содержание DS-8200
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