Troubleshooting Flowchart - Toshiba T2200SX User Manual

3.2 Troubleshooting Flowchart

The flowchart in Figure 3-1 is used as a guide for determining which FRU is defective. Before
performing the flowchart procedures, perform the following:
Disconnect all optional equipment from the T2200SX.
Remove any diskette in the FDD.
Insert Toshiba MS-DOS diskette
POWER INDICATOR
MEMORY TEST XXXXKB
Message Displayed
MEMORY TEST XXXKB
message proceed from
3-6
START
into FDD
Turn the
Power Switch ON
Does the
illuminate?
YES
Wait 5 seconds
Is an
Error Message
Displayed?
NO
Is the
?
YES
Does the
0KB to 640KB?
YES
Is Toshiba
MS-DOS being
loaded?
YES
1
Figure 3-1 Troubleshooting flowchart
Perform Power Supply
NO
Troubleshooting Procedures in
Section 3.3.
Perform System Board
YES
Troubleshooting Procedures in
Section 3.4.
NO
Perform Display Troubleshooting
Procedures in Section 3.8.
Perform System Board
NO
Troubleshooting Procedures in
Section 3.4.
NO
Perform FDD Troubleshooting
Procedures in Section 3.5.