User manual TOSHIBA SATELLITE 2540CDS SERVICE MANUAL

[. . . ] Satellite 2540CDS / 2545CDS / 2545XCDT General Specifications Model Numbers: Satellite 2540CDS PAS254U-S2CW8 Satellite 2545CDS PAS254U-S6CW8 Satellite 2545XCDT PAS254U-T6CW8 AMD-K6-2 processor with 3DNow!technology, 333MHz, integrated co-processor, 64KB internal cache, 512KB pipelined burst SRAM level 2 cache, PCI internal system bus 32MB expandable to 160MB EDO DRAM HDD: 4. 3 billion byte enhanced IDE FDD: 1. 44MB, 3. 5" diskette (integrated) CD: 24X max. (integrated) 2540CDS/2545CDS: 13" diag. Color bright dual scan color display, 800 x 600 resolution 2545XCDT: 14. 1" diag. [. . . ] Disconnect the CD-ROM flexible cable form PJ301 on the system board. Remove one M2. 5x4 screw securing the CD-ROM drive. Remove two M2x6 screws securing the CD-ROM connector board. Separate the CD-ROM connector board and CD-ROM connector brace from the CD-ROM drive. Disconnect the CD-ROM flexible cable from PJ760 on the CD-ROM connector board. Remove two M2x3 silver screws securing the side brace on the CD-ROM drive and separate the site brace. Toshiba TRR Page 16 4/00, Satellite Satellite 2540CDS / 2545CDS / 2545XCDT Disassembly Overview, cont. To remove the RTC battery and backup battery, follow the steps below. Lift up the insulation sheet covering the RTC and backup batteries. Remove tape securing the RTC battery cable and backup battery cable. Disconnect the RTC battery cable from PJ702 on the sound board. Disconnect the backup battery cable from PJ701 on the sound board. Lift out the RTC battery and backup battery. WARNING: If you replace the RTC battery or backup battery, be sure to use only batteries recommended by Toshiba. Installation of the wrong battery can cause the battery to explode or otherwise cause damage. To remove the sound board, follow the steps below. Disconnect the following cables from the connections on the sound board: · Sound cable from PJ700 · Backup cable from PJ701 · RTC battery cable from PJ702 2. Lift up the left sound board. To remove the sensor board, follow the steps below. Disconnect the sensor cable from PJ754 on the sensor board. Toshiba TRR Page 17 4/00, Satellite Satellite 2540CDS / 2545CDS / 2545XCDT Disassembly Overview, cont. To remove the membrane switch, follow the steps below. Remove two M2x4 screws securing the membrane switch. Lift up the membrane switch. è ê To remove the system board, follow the steps below. Remove the insulator and disconnect the sound cable from PJ700 on the sound board. Remove seven screws securing the system board and PC card slot cover as follows: · Two M2. 5x4 flat-head screws · Four M2. 5xscrews · One M2. 5x6 screw 3. Rotate out the system board from the front side to clear the USB port opening. Disconnect the following cables from the front and back side of the system board: · HDD/battery cable from PJ300 (front) · Battery power cable from PJ501 (front) · Sound cable from PJ302 (back) ê è Toshiba TRR Page 18 4/00, Satellite Satellite 2540CDS / 2545CDS / 2545XCDT Disassembly Overview, cont. To remove the cooling fan, follow the steps below. Remove tape covering PJ1 and the fan cable. [. . . ] Turn the LCD module face up and remove the LCD frame. Turn the LCD module over face down and remove one screw. Remove the FL cover and the FL. í î Toshiba TRR Page 25 4/00, Satellite Satellite 2540CDS / 2545CDS / 2545XCDT Disassembly Overview, cont. To remove the model 14. 1 (Make: Samsung) TFT FL, follow the steps below. Remove tape on the bottom side and four flat-head screws on the right and left side of the chassis. CAUTION: Exercise care during FL removal not to let dust or other foreign matter into the LCD panel. [. . . ]