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Troubleshooting Procedures
Satellite M300 and Satellite Pro M300 Maintenance Manual
37
Procedure 4 Replacement Check
Fluorescent lamp, FL inverter, LCD module, HV cable and LCD/FL cable are connected to
display circuits. Any of these components may be faulty. Refer to Chapter 4,
Replacement
Procedures,
for instructions on how to disassemble the computer and then perform the
following checks:
If fluorescent lamp does not light, perform Check 1.
If characters or graphics on the internal display are not displayed clearly, perform
Check 4.
If some screen functions do not operate properly, perform Check 4.
If fluorescent lamp remains lit when the display is closed, perform Check 5.
Check 1
Replace fluorescent lamp with a new one following the instructions in Chapter 4,
Replacement Procedures
and test the display again. If the problem still occurs,
perform Check 2.
Check 2
LCD/FL cable may be faulty. Replace FL/LCD cable with a new one following the
instructions in Chapter 4,
Replacement Procedure
and test the display again. If the
problem still occurs, perform Check 3.
Check 3
FL inverter may be faulty. Replace FL inverter with a new one following the
instructions in Chapter 4,
Replacement Procedure
and test the display again. If the
problem still occurs, perform Check 4.
Check 4
LCD module may be faulty. Replace LCD module with a new one following the
instructions in Chapter 4,
Replacement Procedure
and test the display again. If the
problem still occurs, perform Check 5.
Check 5
System board may be faulty. Replace it with a new one following the instructions
in Chapter 4,
Replacement Procedure
.
Содержание Satellite M300
Страница 12: ...Satellite M300 and Satellite Pro M300 Maintenance Manual 960 Q08 Chapter 1 Hardware Overview ...
Страница 42: ...Satellite M300 and Satellite Pro M300 Maintenance Manual 960 Q08 2 1 Chapter 2 Troubleshooting Procedures ...
Страница 188: ...Replacement Procedures Figure 4 11 Remove the KB Satellite M300 and Satellite Pro M300 Maintenance Manual 960 Q08 4 25 ...
Страница 226: ...Board Layout Figure B 1 2 System board layout Back Satellite M300 and Satellite Pro M300 Maintenance Manual 960 Q08 B 2 ...
Страница 231: ...Board Layout Satellite M300 and Satellite Pro M300 Maintenance Manual 960 Q08 B 7 connector only with Hotbar ...
Страница 281: ...Display codes Satellite M300 and Satellite Pro M300 Maintenance Manual 960 Q08 D 2 ...