Delta THINKPAD R40 Technical Information download pdf (Page 45)

2

3

4

5(-)

1(+)

Terminal

Voltage

(V

dc)

1

+

0

to

+

16.8

5

Ground

(−)

3.

If

the

voltage

is

less

than

+14.4

V

dc,

the

battery

pack

has

been

discharged.

Note:

Recharging

will

take

at

least

3

hours,

even

if

the

indicator

does

not

turn

on.

If

the

voltage

is

still

less

than

+14.4

V

dc

after

recharging,

replace

the

battery.

4.

If

the

voltage

is

more

than

+14.4

V

dc,

measure

the

resistance

between

battery

terminals

4

and

5.

The

resistance

must

be

4

to

30

K

.

If

the

resistance

is

not

correct,

replace

the

battery

pack.

If

the

resistance

is

correct,

replace

the

system

board.

For

machine

type

2684,

2685

To

check

the

battery

pack,

do

the

following:

1.

Power

off

the

computer.

2.

Remove

the

battery

pack

and

measure

the

voltage

between

battery

terminals

1

(+)

and

5

(−).

See

the

following

figure:

2

3

4

5(-)

1(+)

Terminal

Voltage

(V

dc)

1

+

0

to

+

12.6

5

Ground

(−)

3.

If

the

voltage

is

less

than

+11.0

V

dc,

the

battery

pack

has

been

discharged.

Note:

Recharging

will

take

at

least

3

hours,

even

if

the

indicator

does

not

turn

on.

If

the

voltage

is

still

less

than

+11.0

V

dc

after

recharging,

replace

the

battery.

4.

If

the

voltage

is

more

than

+11.0

V

dc,

measure

the

resistance

between

battery

terminals

4

and

5.

The

resistance

must

be

4

to

30

K

.

Checkout

guide

General

descriptions

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