Troubleshooting Procedures
Satellite A300
Maintenance Manual (960-Q08)
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
.
Summary of Contents for Satellite A300 Series
Page 13: ...Satellite A300 Maintenance Manual 960 Q08 13 ...
Page 14: ...Satellite A300 Maintenance Manual 960 Q08 Chapter 1 Hardware Overview ...
Page 15: ...Chapter 1 Hardware Overview Satellite A300 Maintenance Manual 960 Q08 1 Hardware Overview ii ...
Page 22: ...Chapter 1 Hardware Overview 5 Satellite A300 Maintenance Manual 960 Q08 ...
Page 31: ...Chapter 1 Hardware Overview Satellite A300 Maintenance Manual 960 Q08 14 1 4 Optical Drive ...
Page 58: ...Chapter 1 Hardware Overview Satellite A300 Maintenance Manual 960 Q02 13 1 4 Optical Drive ...
Page 73: ...Satellite A300 Maintenance Manual 960 Q08 Chapter 2 Troubleshooting Procedures ...
Page 74: ...Satellite A300 Maintenance Manual 960 Q08 ...
Page 125: ...Satellite A300 Maintenance Manual 960 Q08 4 i Chapter 4 Replacement Procedures ...
Page 126: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 ...
Page 139: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 4 10 ...
Page 174: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 43 ...
Page 175: ...Replacement Procedures 44 Satellite A300 Maintenance Manual 960 Q08 ...
Page 176: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 45 ...
Page 186: ...Satellite A300 Maintenance Manual 960 Q08 Appendices ...
Page 187: ...Satellite A300 Maintenance Manual 960 Q08 ii ...
Page 197: ...Handling the LCD Module A 6 Satellite A300 Maintenance Manual 960 Q08 ...
Page 259: ...31 Japanese JP Keyboard Figure JP keyboard L300mm x W131 3mm ...