IBM Thinkpad R32 Manual

continuity for 0.1 ohm or less between the external
ground pin and frame ground.
b. The power cord should be the appropriate type as
specified in the parts listings.
c. Insulation must not be frayed or worn.
4. Remove the cover.
5. Check for any obvious non-IBM alterations. Use good
judgment as to the safety of any non-IBM alterations.
6. Check inside the unit for any obvious unsafe
conditions, such as metal filings, contamination, water
or other liquids, or signs of fire or smoke damage.
7. Check for...

–Attach the ESD ground clip to any frame ground,
ground braid, or green-wire ground.
–Use an ESD common ground or reference point
when working on a double-insulated or
battery-operated system.
–You can use coax or connector-outside shells on
these systems.
–Use the round ground-prong of the AC plug on
AC-operated computers.
Grounding RequirementsElectrical grounding of the computer is required for
operator safety and correct system function. Proper
grounding of the electrical outlet can be verified by a...

CAUTION:
Use of controls or adjustments or performance of
procedures other than those specified herein might
result in hazardous radiation exposure.
O uso de controles, ajustes ou desempenho de
procedimentos diferentes daqueles aqui especificados
pode resultar em perigosa exposição à radiação.
Pour éviter tout risque d’exposition au rayon laser,
respectez les consignes de réglage et d’utilisation des
commandes, ainsi que les procédures décrites.
Werden Steuer- und Einstellelemente anders als hier...

DANGER
Laser radiation when open. Do not stare into the
beam, do not view directly with optical instruments,
and avoid direct exposure to the beam.
Radiação por raio laser ao abrir. Não olhe fixo no
feixe de luz, não olhe diretamente por meio de
instrumentosóticos e evite exposição direta com o
feixe de luz.
Rayonnement laser si carter ouvert.Évitez de fixer
le faisceau, de le regarder directement avec des
instruments optiques, ou de vous exposer au
rayon.
Laserstrahlung bei geöffnetem Gerät. Nicht...

General Descriptions
This chapter includes descriptions for any ThinkPad model
that has the PC-Doctor DOS diagnostics program. Some
descriptions might not apply to your particular computer.
MT 2658/2659/2677
19 

Read this first
Before you go to the checkout guide, be sure to read this
section.
Important Notes:
vOnly certified trained personnel should service the
computer.
vRead the entire FRU service procedures before
replacing any FRUs.
vUse new nylon-coated screws when you replace
FRUs.
vBe extremely careful during write operations such
as copying, saving, or formatting.Drives in the
computer that you are servicing might have been
rearranged or the drive startup sequence might have
been altered. If you select...

Before checking problems with the computer, determine
whether the damage is covered under the warranty by
referring to the following:
Note for Warranty:For Warranty:
During the warranty period, the customer may be
responsible for repair costs if the computer damage
was caused by misuse, accident, modification,
unsuitable physical or operating environment, or
improper maintenance by the customer. The
following list provides some common items that are
not covered under warranty and some symptoms
that may...

FRU replacement notices
This section contains notices for removal and replacement.
Read this section carefully before replacing any FRU.
LCD replacement notice
The TFT LCD for the computer contains many thin-film
transistors (TFTs). A small number of missing, discolored,
or lighted dots (on all the time) is characteristic of TFT
LCD technology, but excessive pixel problems can cause
viewing concerns. The LCD should be replaced if the
number of missing, discolored, or lighted dots in any
background is:...

Turn an additional180 degreesafter the screw head
touches the surface of the plastic part:
vTorque driver
If you have a torque driver, refer to the″Torque″column
with each step.
vMake sure you use the correct screw, and tighten all
screws firmly to the torque shown in the table if you
have a torque screwdriver.Never use a screw that you
removed. Use a new one. Make sure the screws are
tightened firmly.
System board/LCD/Inverter replacement
notice
Restoring the LCD panel IDThe EEPROM on the inverter...

CAUTION:
Make sure the new ID code you choose corresponds
with the LCD brand and type. If you write a wrong ID
into inverterm, just reboot and re-execute the program
and input the correct ID code.
Note:If LCD cannot display after change ID code, make
sure you write the correct ID code, or try reseating
the LCD coaxtial cable connectors.
Thermal SensorThe system is equipped with sensors to protect against
system overheating. By setting system and processor
thermal thresholds, the system can turn on the...