IBM Workpad Z50 Mobile Companion Manual

6 IBM W orkPad z50, Mobile Companion 6
Checkout Guide
Use the f ollowing proc edure as a guide f or c omputer
problems.
1. Obtain the failing symptoms in as much detail as
possible.
2. Verify the symptoms by attempting to re-create the
failure by running the diagnos tic tes t (ref er to
“Running the Diagnos tics
 Test” on page 27) or by
repeating the s ame operation.
Note
To run the diagnostics test, ref er to “Running the
Diagnos tics” on page 27.
If the s ymptoms are intermittent and c annot be...

W orkPad z50 Mobile Companion 7
Symptoms (Verified) Refer To
Other s ymptoms  (such
as LCD display
problems).“Symptom-to-FRU Index” on
page 21.
PC cards do not work.
“PC Card Slots Test” on
page 27.
Brightness/contrast
buttons do not work.“Brightness/Contrast Buttons
Checkout” on page 19.
Audio Checkout
Speaker Checkout: If you suspec t a problem with the
speaker do the f ollowing:
1. Play an audio file.  If no s ound is heard, go to the
diagnostic menu (s ee “Running the Diagnos tics T est”
on page...

8 IBM W orkPad z50, Mobile Companion 8
Keyboard Checkout
If the keyboard does not work or an unexpected charac ter
appears, make sure that the flexible c able extending from
the keyb oard is c orrectly s eated in the c onnector on the
mainboard.  If the keyb oard c able c onnec tion is c orrec t, run
the Keyboard Test by doing the following:
1. Go to the diagnostic menu (see “Running the
Diagnos tics Test” on page 27).
2. Select Keyboard and run the diagnos tic test.  A
layout of the keyboard appears on...

W orkPad z50 Mobile Companion 9
Modem Checkout
If a modem problem occurs, do the f ollowing:
1. Open the Terminal program.  Double click the “Make
a New Session” ic on to open the Session Properties
window.
2. Click “Configure…”.  In the Device Properties
window check the “Manual Dial” box.
3. Issue the ATA c ommand.
4. If there is no sound, replace the mainboard.
Note:
The US, Canada, and Japan models have an
internal fax/modem; the European models do
not.
Power Systems Checkout
To determine whether a...

10 IBM W orkPad z50, Mobile Companion 10
AC Adapter Checkout: You are here bec aus e the
W orkPad z50 f ails only when the AC Adapter is us ed.
·
  If the power problem occurs only when the cradle is
us ed, replac e the cradle.
·
  If the power-on indic ator f or the AC Adapter does  not
turn on, check the power cord of the AC Adapter for
correct c ontinuity and installation.
1. Unplug the AC Adapter c able from the W orkPad z50
and meas ure the output voltage at the plug of the AC
Adapter c able.  See...

W orkPad z50 Mobile Companion 11
Battery Pack Checkout: If the battery pack or the optional
high-c apacity battery have a problem, ref er to the f ollowing:
1. Enter suspend mode by pressing the Power button.
2. Remove the battery pack and check for any
mechanical damage.  Replace the battery pack if it is
damaged.
Note:
Damage to the battery pack c aus ed by the
customer is not c overed by the warranty.
3. Remove the battery pack and meas ure the voltage
between the battery terminals.  See the f...

12 IBM W orkPad z50, Mobile Companion 12
Checking Operational Charging: There is no differenc e in
battery charging time whether the s ystem is fully operational
or not.  T o check the battery charging, us e a discharged
battery pack or a battery pack that has less than 50% of total
power remaining.
Turn on the W orkPad z50 while the AC Adapter is c onnected
to the s ystem.  The External Power/Charge Status LED will
change to amber while the battery is charging.  W hen the
battery is fully charged (after...

W orkPad z50 Mobile Companion 13
Backup Battery Checkout
(Nonrechargeable)
If removing all power sources except for the backup battery
results in the s ystem being res et, s uspect a problem with the
backup batteries.  Refer to the following:
1. Enter suspend mode by pressing the Power button.
2. Remove the AAA batteries and meas ure the voltage
between the battery terminals.  The voltage s hould be
1.1–1.6 V dc per battery.
·
  If the voltage is c orrect, replac e the mainboard.
·
  If the voltage is...

14 IBM W orkPad z50, Mobile Companion 14 Press OK  to clos e the mess age window, then click Start to
begin the c alibration.  You will s ee the f ollowing dialog
window:
Press OK  to close this dialog window.
The Battery Calibration applic ation will charge the Li-ion
battery to its full c apacity.  W hen the battery reaches  full
capacity, the Battery Calibration applic ation will allow the
battery to fully discharge.  W hen the battery is fully
discharged, the applic ation will c harge the battery...

W orkPad z50 Mobile Companion 15
TrackPoint Checkout
The TrackPoint adjusts the pointer s ens or automatic ally.
During this proc ess, the pointer moves on the screen
automatic ally f or a short time.  This s elf-acting pointer
movem ent c an occur when a slight, steady pressure is
applied to the Trac kPoint pointer.  You must readjust it if the
temperature has exc eeded its normal temperature range.
This symptom does not indicate a hardware problem.  No
servic e actions are nec ess ary if the pointer...