Toshiba ProT1!0, T110 2.18 CRT Troubleshooting

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.

Procedure 2: Connector and Cable Check

Connect an external monitor to the computer’s external CRT port, and then to see if you can

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 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.

Procedure 3 ent Check

CRT cable may be faulty. Replace CRT cable with a new one following the

instructions in Chapter 4--Replacement Procedure, and then test again. If the

problem still occurs, perform Check 2.

Check 2 CRT board 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.

Check 3 System board may be faulty. Replace it with a new one following the instructions

in Chapter 4, Replacement Procedure.

Replacem

Check 1

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