LCD | FRU | Replacement Notice: |
| The TFT LCD |
| |||||
for | the | notebook | computer | contains | over | 2,359,296 | ||||
film | transistors | (TFTs). | A small number | of | missing, | |||||
ored, | or | lighted | dots | (on all the time) is cha | ||||||
TFT | LCD | technology, | but | excessive | pixel | problems c | ||||
cause | viewing | concerns. | The | LCD | should | be replac |
the number of missing, discolored, or lighted do background is:
ŸSVGA (12.1"): 5 or more bright dots, 5 or m
dots, or a total of 9 or more bright and
ŸXGA (13.3"/14.1"): 8 or more bright dots, 8 dark dots, or a total of 9 or more bright
Replacing the system Board: When you
replace the system board, restore the system number using the RFID Utility and reassign the the Flash UUID Utility in the ThinkPad 390E CE Diskette. See “Writing the RFID Data” on page 4 “Flash UUID” on page 49 respectively.
Note: Do not power off the computer while resto RFID.
Screw Notices: When you service this machine, the following,
Ÿ Keep the screw kit (P/N 12J0808) in your too
ŸAlways use new screws.
ŸUse a torque screwdriver if possible.
Screw Tightening Information p.Loose screws
can cause a reliability problem. The IBM ThinkPad compute addresses this problem with
Plastic | to | plastic | Turn | an |
| additional | |||
|
|
|
| 90 | degrees | after | |||
|
|
|
| the | screw | head | |||
|
|
|
| touches | the |
| |||
|
|
|
| surface | of | the | |||
|
|
|
| plastic | part. |
| |||
Logic | card | to | plastic | Turn | an |
| additional | ||
|
|
|
| 180 | degrees |
| after | ||
|
|
|
| the | screw | head | |||
|
|
|
| touches | the |
| |||
|
|
|
| surface | of | the log | |||
|
|
|
| card. |
|
|
|
| |
Torque | driver |
| If | you | have | a | |||
|
|
|
| torque | driver, | refe | |||
|
|
|
| to | the | torque |
| ||
|
|
|
| instructions | with | ||||
|
|
|
| each | step. |
|
|