2-18
710CDT/720CDT
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.
Summary of Contents for Tecra 710CDT
Page 187: ...B 2 710CDT 720CDT B 2 System Board Back View Figure B 2 System board layout back ...
Page 207: ...C 16 710CDT 720CDT ...
Page 221: ...G 2 710CDT 720CDT ...
Page 222: ...710CDT 720CDT G 3 ...