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AC
Adapter
Input Voltage
Low range
-
Minimum:
90
V
ac
-
Maximum:
137 V
ac
High range
-
Minimum: 180 V
ac
-
Maximum:
265
V
ac
•
Frequency range
-
Minimum:
47
Hz
-
Maximum:
63
Hz
Output Voltage
•
Operating mode: +20
V
de
•
Charging
mode
-
Minimum: +5.6
V
de
-
Maximum:
+
12.6
V
de
Maximum Current
5.0 A
Travel Quick Charger
Input Voltage
•
Minimum: 17.8 V
ac
•
Maximum:
2
1.0
V
ac
Output Voltage
•
Nominal
20
V de
Maximum
Current
5.0 A
44
ThinkPad Power
Series
820
Special Tools
The following tools are used
to
service
the
computer.
•
Super Test
(Advanced
Diagnostics)
in
Easy
Setup
•
PCMCIA Wrap
Card (PIN 35G4680)
•
Tri-Connector Wrap Plug (PIN
72X8546)
•
Scratch Diskette
Note: These
tools
are used
in Step
014
on page
8.
•
Maintenance
Utility
in
Easy
Setup
System Information
SCSI Format
Note: Refer to
"Maintenance Utility" on page 21.
•
Box Wrench
(5m/m, 7m/m)
Hardware Maintenance Reference
45
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