Toshiba satellite a20 series Benutzerhandbuch

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4   Replacement Procedures 
Figure 4-146  Folding down the TAB .............................................................................. 4-188 
Figure 4-147  Setting the bezel......................................................................................... 4-189 
Figure 4-148  Fixing the PCB and the bezel .................................................................... 4-190 
Figure 4-149  Attaching the insulation sheet and tape ..................................................... 4-191 
Figure 4-150  Removing the protective cover and tape.................................................... 4-192 
Figure 4-151  Removing the screws from the sides ......................................................... 4-193 
Figure 4-152  Removing the latches close to the lamp..................................................... 4-193 
Figure 4-153  Removing the bezel.................................................................................... 4-194 
Figure 4-154  Removing the lamp cover .......................................................................... 4-194 
Figure 4-155  Replacing the lamp unit ............................................................................. 4-195 
Figure 4-156  Attaching the bezel .................................................................................... 4-195 
Figure 4-157  Fastening the screws on both sides ............................................................ 4-196 
Figure 4-158  Attaching the protection cover and tapes................................................... 4-197 
Figure 4-159  Visual inspections ...................................................................................... 4-198 
Figure 4-160  Removing the PCB cover and tape ............................................................ 4-199 
Figure 4-161  Removing the two screws for fixing the power supply board ................... 4-200 
Figure 4-162  Releasing the 18 hooks .............................................................................. 4-201 
Figure 4-163  Removing the panel assembly ................................................................... 4-202 
Figure 4-164  Removing the panel assembly ................................................................... 4-203 
Figure 4-165  Removing the screws for fixing the FL tube back cover........................... 4-204 
Figure 4-166  Disconnecting the FL tube ground wire .................................................... 4-205 
Figure 4-167  Removing the FL tube ............................................................................... 4-206 
Figure 4-168  Removing the outside tape/cover tape ....................................................... 4-209 
Figure 4-169  Removing the control PCB, top case and cover assembly ........................ 4-210 
Figure 4-170  Removing the source PCB and gate PCB .................................................. 4-211 
Figure 4-171  Removing the board assembly, tape pad sheet, light guide, cover bottom and 
lamp assembly............................................................................................ 4-213 
Figure 4-172  Attaching the double tape, lamp assembly , cover bottom, sheets, light guide, 
tape adhesive and board assembly ............................................................. 4-215 
Figure 4-173  Attaching the source PCB and gate PCB................................................... 4-216 
Figure 4-174  Attaching the cover bottom, screw, top case, control PCB and FPC ........ 4-217 
Figure 4-175  Attaching the outside tape and cover shield .............................................. 4-219 
Satellite A20 Maintenance Manual (960-444) 
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