Power Supply - Casio IT-2000 Service Manual

5.5 Power Supply

5.5.1 Power specifications
Item
Main battery
Backup battery
Power Supply block
Name
Vback Chip Set, GA1, GA2, Main memory, VGA Controller, Video memory,
HW Window memory
Vcore CPU (core)
Vsys CPU (I/O), BIOS memory, KBC, MASK-ROM, File memory, PCMCIA
controller
V IrDA, 8 pin Serial I/F
IO
V EL, Buzzer
50
V LCD module
LCD
Vcard CARD
Chart 4-5-1Power specifications
Specification
Name
NP-500
CR-2032
IVR-2430
Name
Vback
Vcore
Vsys
V
IO
V
50
V
LCD
VCARD
Application
— 24 —
Capacity
Voltage
7.2V 1300mA
3.0V 210mA
3.0V 30mA
Voltage Maximum
3.3V 300mA
2.4V 200mA
3.3V 300mA
5.0V 1A
5.0V 500mA
30V 30mA
3.3V 200mA
5.0V 500mA