Toshiba Tecra 730CDT, Maintenance Manual

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2-18 730CDT
Procedure 5 Replacement Check
The system board or another PCB may be damaged. Disassemble the computer following the
steps described in
Chapter 4 , Replacement Procedures , and perform the following checks:
❑
If the Real Timer diagnostic test detects an error, go to Check 1.
❑
If the Sound diagnostic test detects an error, go to Check 2.
❑
If the Modem diagnostic test detects an error, go to Check 4.
❑
If the System, Memory, Printer, Expansion, or Async diagnostic tests detect an error,
go to Check 6.
Check 1 Replace the IPS board with a new one. If the problem still exists, go to Check 6.
Check 2 Replace the jack board with a new one. If the problem still exists, go to Check 3.
Check 3 Replace the flexible cable with a new one. If the problem still exists, go to
Check 6.
Check 4 Replace the DAA board with a new one. If the problem still exists, go to Check
5.
Check 5 Replace the modem board with a new one. If the problem still exists, go to
Check 6.
Check 6 Replace the system board with a new one.
NOTE : Refer to Chapter 4 for instructions on how to remove and replace
each of the above items.