Technical Information; System Overview; System Configuration; Block Diagrams - Panasonic Toughbook CF-48 Service Manual

3.Technical Information

3.1 System Overview

3.1.1 System Configuration

3.1.2 Power Supply System
Power Supply System
VC system (VC5, VC3, VC25, VC16, VC15) CPU and logic power supply
VB system (VB5, VB3)
VA system (VA3)
VPP system (VPP)
Table 1: Description of Power Supply Systems

Block Diagrams

Power Supply Configuration Diagram
AC ADAPTOR 15.6V
AC15
AC ON
VOLTAGE
DETECTOR
AC IN*
Li-Ion BATTERY
11.1V
5400mAh
OVERVOL
Q70
SYSPW
Q62
VM1
ACVOK
IC44
BATTERY
CHARGER
Q72
Description
Logic power supply
PMC power supply
12V power supply, for the card slot
IC43
VOLTAGE
REGULATOR
OUTPUT12V
VD12ON
IC58
DC/DC
VOLTAGE
CONVERTER
DETECTOR
OUTPUT 5V
SUSB
OVERVOL
IC58
DC/DC
VOLTAGE
CONVERTER
DETECTOR
OUTPUT 3.3V
OVERVOL
IC57
DC/DC
CONVERTER
VOLTAGE
OUTPUT
DETECTOR
1.6V /1.35V
OVERVOL
SUSB*
3 - 1
Suspend
On mode
ON
ON
ON
ON
SUSB
IC16
SUSC*
VOLTAGE
REGULATOR
OUTPUT 2.5V
IC46
SUSB*
VOLTAGE
REGULATOR
OUTPUT 1.5V
Off/Hiber
mode nation
OFF OFF
ON OFF
ON ON
OFF OFF
VD12
VC5
VB5
VA3
VB3
VGA_CORE
VC3
VCT
VC1