Removing Replacing the Top Cover

Use the following procedure to detach the top cover from the Base Assembly 1. Separate the Display Assembly from the Base Assembly as described in Paragraph 6.5.9. 2. Remove the two screws that secure the heat sink to the base assembly. 3. Remove the two screws on the top and ten screws on the bottom that hold the top cover in place unsnap and remove the top cover refer to Figure 6-15 . Replacement of the top cover is the reverse of Steps 1 through 3. Remove two screws near display hinge screw...

Extensa x Series Notebooks

Parallel Port Cover

Both the Extensa 60x Series and the 65x Series share a great deal of commonality similar physical construction and operating system software . However, in contrast to the 60x Series, the Extensa 65x Series Notebooks feature a faster Pentium Processor 133 MHz , more onboard RAM 16 MB , and a greater maximum memory size 80 MB . The 65x Series also contain a Fast Infrared port 4 Mb s FIR and greater expandability through the Port Replicator and APCI Board described in greater detail in the...

Removing Replacing the Keyboard Assembly

The procedure for removing and replacing the keyboard assembly is as follows 1. Turn off the computer disconnect the AC power adapter if it is attached , and remove the battery pack as described in Paragraph 6.5.1. 2. Press the Cover Release Latch and open the notebook to a full 180 degree position as shown in Figure 6-6. 3. Slide each of the two display hinge covers out and pull upward to remove from the notebook. Open Notebook to 180 degree position Figure 6-6 Removing the Display Hinge...

Removing Replacing the Pcmcia Connector Module

Use the following procedure to remove replace the PCMCIA Connector Module 1. Remove the Motherboard Assembly as described in Paragraph 6.5.17. 2. Remove the Video Board Paragraph 6.5.19 3. Remove the four screws securing the PCMCIA Module to the Motherboard Assembly refer to Figure 6-27 . 4. Replacement is the reverse of Steps 1 through 3. Figure 6-26 Removing Replacing the PCMCIA Module Figure 6-26 Removing Replacing the PCMCIA Module

Li

Block Diagram Cells Aspire 9420

__________ . _______Jifl ncs IRQ12 MSCLK KBDATA KBCLK KBCSJ KBINH IRQ1 IDESCS3J IDESCS1J IDEPCS3J IDEPCS1J IDE_A0 IDE_A2 IDE_A1 IDAKJ1 IDAKJ0 IDERDY IDEIORJ IDEIOWJ IDRQ1 IDRQ0 IDE_D0 IDE_D15 Vss IDE_D1 IDE_D14 IDE_D2 IDE_D13 IDE_D3 IDE_D12 IDE_D4 IDE_D11 IDE_D5 IDE_D10 IDE_D6 IDE_D9 IDE_D7 VDD IDE_D8 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 CBEJ0 AD8 AD9 AD10 AD11 VDD 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123...

Logic Diagrams

Lcd Cable Diagram Acer Aspire 4710

Logic diagrams for the Extensa 60x Series Motherboard PWB Assembly are provided in Figure A-4. dimm 0 bank 0,1 amp dram damping lcd conn amp couer s.u. amp uga module kbc c mitsubishi m3s813 amp int. k.b. pcmcia conn 8, power s.w.c ti tps2202aidf audio amp. ns lm4ss1 amp zu-port dac cs4331 ft RII77FP_ ide conn c hdd amp cd-rom amp fdd conn Figure A-4 Motherboard PWB Logic Diagrams Sheet 2 of 32 Figure A-4 Motherboard PWB Logic Diagrams Sheet 3 of 32 Figure A-4 Motherboard PWB Logic Diagrams...

B x Logic Diagrams

Travelmate240 Tem Cartao Pmcia

The remainder of this section contains logic diagrams for the Extensa Model 65x Series. Figure B-4 36 sheets contains the logic diagrams for the main board FigureB-5 contains the logic diagrams for the VGA Board. CPU Power Pins amp THERMAL SENGOR M1521 CCPU-PCI bridge.Memory,Cache and Buffer CTRL M1523 PCI-to-ISA Bridge amp DACK DeCODER L2 CACHE C25GKG synchronous pipeline burst SRAM EDO DRAM CGANK 0 gt 1GM on BOARD amp DRAM DAMPING FEATURE B.D. amp ZU PORT amp PCMCIA PULL-UP BIOG PLCC 28F020...

Notebook LEDs

The notebook contains four front indicator LEDs and two right side LEDs as shown in Figure 3-1 and described in Table 3-1. Lights when the system is on and there is power to the system. Flashes when the battery power is low. Connect a powered AC adapter to the computer as soon as possible. Lights when the computer is in Standby mode. Flashes when the computer is in 5V Suspend mode. The computer enters Standby mode if the Standby hot key Fn F4 is pressed or the STANDBY TIMEOUT parameter in Setup...

PCDoctor In DOS Mode or DOS Window

Features of the diagnostic program are accessed through a series of pull-down menus and basic keyboard keys cursor keys to move highlighted pointer, Enter key to select a highlighted feature, Esc key to cancel a function and move back one level. PC-Doctor is typically user friendly but if you don't understand a feature, context-sensitive help information is available at any time by pressing the F1 function key pressing the F1 function key twice accesses the online Technical Reference Manual for...

Fault Isolation Using Self Test

When the computer is first powered up, it automatically performs a self test of its central hardware and memory functions. During self test which lasts for a few seconds , the display shows copyright and version number information. Note Some procedures in this paragraph require you to use keystroke sequences, such as Ctrl-Alt-Del. To execute a keystroke sequence such as this, you must press all three keys simultaneously. Upon successful completion of the self test, the computer automatically...

Removing Replacing the Display Assembly

Remove Hinge Travelmate 7520

Use the following procedure to remove replace the display assembly 1. Remove the battery and AC adapter as described in Paragraph 6.5.1. 2. Refer to Figure 6-13 and remove the two screws that secure the display cable to the Motherboard assembly. Then unplug display cable J19 Figure 6-13 Unplugging the Display Cable Figure 6-13 Unplugging the Display Cable 3. Remove the four display hinge screws Figure 6-14 and separate the Display Assembly from the Base Assembly. Installation is the reverse of...

Troubleshooting a Display Problem

If the LCD remains blank when you turn on the computer, and the status indicators light, check the following controls on the display LCD suspend mode - press Shift to terminate Suspend mode. Brightness set too low - press Fn-Up Arrow keys to increase screen brightness Notebook Set for External Monitor - press Fn-F12 to switch to the internal screen. Faulty LCD - Replace the cover-display assembly as described in Section 6 of this manual. Low battery - Use a fully charged battery and or plug in...

Field Replaceable Units FRUs

Note For FRU removal replacement procedures, refer to Section 6 of this manual. As shown in Figure B-1, all members of the Extensa 65x Series Notebook Computers contain two major assemblies Figure B-1 Extensa 65x Series Assemblies The Cover-Display Assembly shown in Figure B-2, contains the LCD screen, DC-AC Inverter Board Logic, DC-DC Inverter Board Logic, bezel LCD cover and various other components as listed in Table B-1. Display Assembly Shown with Bezel Removed Table B-1 Top Cover Assembly...

System Base Assembly

As shown in Figure A-3, the System Base Assembly houses a variety of field-replaceable subassemblies and components. The various assemblies and reference paragraph numbers containing removal replacement procedures are listed in Table A-2. Battery, Duracell, Ni-MH, SMB, 10.8V, 2800 mah

Jumper Options

The remainder of this appendix describes the jumper configuration options for the 65x Series boards. DIMM2 DIMM slot 2 DIMM1 DIMM slot 1 SW3 CD-ROM FDD Lock unlock switch Figure 1-16 Main Board Jumpers and Connectors Bottom Side Figure B-7 Features Board Jumper Options Figure B-8 FIR Audio Board Jumper Options

Removing Replacing the Motherboard Assembly x Series Motherboard Assembly

Use the following procedure to remove replace the Motherboard Assembly in a 60x Series Notebook 1. Remove the Top Cover and Fan Assemblies as described in Paragraphs 6.5.10 2. Separate the inside frame assembly from the base assembly. 3. Refer to Figure 6-21 and remove the following connectors Battery Connector Board Cable J21 Speaker Cables J12 and J13 Cover Closed Switch Cable J14 Figure 6-21 Unplugging Cables on 60x Series Motherboard 4. Refer to Paragraph 6.5.13 and remove the Power Supply...

System Architecture

Acer Travelmate Batt Pinout

Figure 4-2 shows the Extensa system architecture. The remainder of this section provides a detailed description of the major chips used in the Extensa Notebooks. Figure 4-2 Extensa Series System Architecture Diagram ALI M1521 PCI, Cache, and Memory Controller The ALADDIN-III consists of two chips, ALI M1521 and M1523 to give a 586 class system the complete solution with the most up-to-date feature and architecture for the new multimedia multithreading operating system. It utilizes the BGA...