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.
Содержание Tecra 710CDT
Страница 186: ...710CDT 720CDT B 1 Appendix B Board Layouts B 1 System Board Front View Figure B 1 System board layout front ...
Страница 187: ...B 2 710CDT 720CDT B 2 System Board Back View Figure B 2 System board layout back ...
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Страница 215: ...E 2 710CDT 720CDT E 3 German GR Keyboard Figure E 3 GR keyboard E 4 French FR Keyboard Figure E 4 FR keyboard ...
Страница 216: ...710CDT 720CDT E 3 E 5 Spanish SP Keyboard Figure E 5 SP keyboard E 6 Italian IT Keyboard Figure E 6 IT keyboard ...
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Страница 222: ...710CDT 720CDT G 3 ...