Toshiba PRO L600 Manual Do Utilizador
Chapter 2 Troubleshooting Procedures
2.18 CRT Troubleshooting
To check if the computer’s CRT is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
procedures below as instructed.
Procedure 2: Connector and Cable Check
Connect an external monitor to the computer’s external CRT port, and then to see if you can
a
nnected to system board by a CRT cable. Their cables may be disconnected
If the connection is loose, reconnect firmly and restart the computer. If the problem still
occurs, go to
occurs, go to
Procedure 3.
Procedure 1: External Monitor Check
Procedure 3: Replacement Check
Procedure 1
External Monitor Check
transfer video im ge to external monitor. If not, go procedure2.
Procedure 2
Connector and Cable Check
CRT board is co
from system board. Disassemble the computer following the steps described in Chapter 4,
Replacement Procedures.
from system board. Disassemble the computer following the steps described in Chapter 4,
Replacement Procedures.
Procedure 3
Replacement Check
Check 1
cable with a new one following the
instructions in Chapter 4--Replacement Procedure, and then test again. If the
Check 2
may be faulty. Replace CRT board with a new one following the
instructions in Chapter 4, Replacement Procedure, and then test again. If the
problem still occurs, perform Check 3.
problem still occurs, perform Check 3.
heck 3
System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedure.
in Chapter 4, Replacement Procedure.
CRT cable may be faulty. Replace CRT
problem still occurs, perform Check 2.
CRT board
C
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)