730CDT
2-29
Figure 2-3 Display connection
If any of the cables are not connected, reconnect it firmly and repeat Procedures 1 and 2. If
the problem still exists, perform Procedure 4.
Procedure 4
Replacement Check
The FL, FL inverter board, LCD module, and system board are connected to the display
circuits. Any of these components may be damaged. Refer to
Chapter 4
,
Replacement
Procedures
, for instructions on how to disassemble the computer and then perform the
following checks:
❑
If the FL does not light, perform Check 1.
❑
If characters are not displayed clearly, perform Check 3.
❑
If some screen functions do not operate properly, perform Check 3.
❑
If the FL remains lit when the display is closed, perform Check 4.
Check 1
Replace the FL with a new one and test the display again. If the problem still
exists, perform Check 2.
Check 2
Replace the FL inverter board with a new one and test the display again. If the
problem still exists, perform Check 3.
Check 3
Replace the LCD module with a new one and test the display again. If the
problem still exists, perform Check 4.
Summary of Contents for Tecra 730CDT
Page 1: ...TOSHIBA 730CDT PN 730 9400 CATM 3970294 B01 ...
Page 6: ...vi 730CDT ...
Page 10: ...1 4 730CDT Figure 1 1 730CDT personal computer Figure 1 2 730CDT system unit configuration ...
Page 190: ...4 60 730CDT ...
Page 196: ...B 2 730CDT B 2 System Board Back View Figure B 2 System board layout back ...
Page 216: ...C 16 730CDT ...
Page 230: ...G 2 730CDT ...