Aspire 4743 and 4743Z Notebook Series Service Guide
Page 6
... 2-17 Cleaning BIOS Passwords 2-18 Using DMI Tools 2-19 LAN EEPROM Utility 2-19 CHAPTER 3 Machine Maintenance Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Removing the Battery ...3-19 Main Unit Disassembly Process 3-22 Main Unit Disassembly Flowchart 3-22 Removing the Keyboard 3-23 Removing the Palmrest Module/Upper Cover 3-26 Removing the Speakers 3-28 Removing the Power Button Board 3-31 6
... 2-17 Cleaning BIOS Passwords 2-18 Using DMI Tools 2-19 LAN EEPROM Utility 2-19 CHAPTER 3 Machine Maintenance Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Removing the Battery ...3-19 Main Unit Disassembly Process 3-22 Main Unit Disassembly Flowchart 3-22 Removing the Keyboard 3-23 Removing the Palmrest Module/Upper Cover 3-26 Removing the Speakers 3-28 Removing the Power Button Board 3-31 6
Aspire 4743 and 4743Z Notebook Series Service Guide
Page 7
... Reassembly Process 3-67 Replacing the LCD Module 3-67 Replacing the CPU 3-70 Replacing the Thermal Module 3-72 Replacing the RTC Battery 3-74 Replacing the Mainboard 3-75 Replacing the Bluetooth Module 3-77 Replacing the USB Board 3-78 Replacing the Touchpad Board 3-80 Replacing the Power Button Board 3-82 Replacing the Speakers 3-84 Replacing the Palmrest Module/Upper Cover 3-87 Replacing the Keyboard 3-90 External...
... Reassembly Process 3-67 Replacing the LCD Module 3-67 Replacing the CPU 3-70 Replacing the Thermal Module 3-72 Replacing the RTC Battery 3-74 Replacing the Mainboard 3-75 Replacing the Bluetooth Module 3-77 Replacing the USB Board 3-78 Replacing the Touchpad Board 3-80 Replacing the Power Button Board 3-82 Replacing the Speakers 3-84 Replacing the Palmrest Module/Upper Cover 3-87 Replacing the Keyboard 3-90 External...
Aspire 4743 and 4743Z Notebook Series Service Guide
Page 8
... Door 3-101 Remove the Dummy Card 3-102 Replacing the Battery Pack 3-103 CHAPTER 4 Troubleshooting Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Failure 4-7 Keyboard Failure 4-8 Touchpad Failure 4-9 Internal Speaker Failure 4-10 Microphone Failure 4-12 USB Failure 4-13 WLAN Failure 4-14 Bluetooth Failure 4-15 Card Reader Failure 4-16 Thermal Unit ...
... Door 3-101 Remove the Dummy Card 3-102 Replacing the Battery Pack 3-103 CHAPTER 4 Troubleshooting Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Failure 4-7 Keyboard Failure 4-8 Touchpad Failure 4-9 Internal Speaker Failure 4-10 Microphone Failure 4-12 USB Failure 4-13 WLAN Failure 4-14 Bluetooth Failure 4-15 Card Reader Failure 4-16 Thermal Unit ...
Aspire 4743 and 4743Z Notebook Series Service Guide
Page 72
Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Removing the Battery Pack 3-9 Remove the ...16 Removing the DIMM Module 3-18 Removing the ODD Module 3-19 Main Unit Disassembly Process 3-22 Main Unit Disassembly Flowchart 3-22 Removing the Keyboard 3-23 Removing the Palmrest Module/Upper Cover 3-26 Removing the Speakers 3-28 Removing the Power Button Board 3-31 Removing the Touchpad Board 3-33...
Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Removing the Battery Pack 3-9 Remove the ...16 Removing the DIMM Module 3-18 Removing the ODD Module 3-19 Main Unit Disassembly Process 3-22 Main Unit Disassembly Flowchart 3-22 Removing the Keyboard 3-23 Removing the Palmrest Module/Upper Cover 3-26 Removing the Speakers 3-28 Removing the Power Button Board 3-31 Removing the Touchpad Board 3-33...
Aspire 4743 and 4743Z Notebook Series Service Guide
Page 73
... Reassembly Process 3-67 Replacing the LCD Module 3-67 Replacing the CPU 3-70 Replacing the Thermal Module 3-72 Replacing the RTC Battery 3-74 Replacing the Mainboard 3-75 Replacing the Bluetooth Module 3-77 Replacing the USB Board 3-78 Replacing the Touchpad Board 3-80 Replacing the Power Button Board 3-82 Replacing the Speakers 3-84 Replacing the Palmrest Module/Upper Cover 3-87 Replacing the Keyboard 3-90 External...
... Reassembly Process 3-67 Replacing the LCD Module 3-67 Replacing the CPU 3-70 Replacing the Thermal Module 3-72 Replacing the RTC Battery 3-74 Replacing the Mainboard 3-75 Replacing the Bluetooth Module 3-77 Replacing the USB Board 3-78 Replacing the Touchpad Board 3-80 Replacing the Power Button Board 3-82 Replacing the Speakers 3-84 Replacing the Palmrest Module/Upper Cover 3-87 Replacing the Keyboard 3-90 External...
Aspire 4743 and 4743Z Notebook Series Service Guide
Page 160
Figure 3-143. Figure 3-144. Metal Washers 1. Keyboard 3-90 Machine Maintenance Connect and lock the keyboard cable to peel off the paper from the keyboard standoff. Remember to the mainboard. Replacing the Keyboard 0 NOTE: NOTE: When replacing the keyboard, make sure that you install the keyboard standoff (86.RC901.001) before installing the new keyboard.
Figure 3-143. Figure 3-144. Metal Washers 1. Keyboard 3-90 Machine Maintenance Connect and lock the keyboard cable to peel off the paper from the keyboard standoff. Remember to the mainboard. Replacing the Keyboard 0 NOTE: NOTE: When replacing the keyboard, make sure that you install the keyboard standoff (86.RC901.001) before installing the new keyboard.
Aspire 4743 and 4743Z Notebook Series Service Guide
Page 182
Keyboard Failure 4-8 Troubleshooting Keyboard Failure 0 If the Keyboard fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-4.
Keyboard Failure 4-8 Troubleshooting Keyboard Failure 0 If the Keyboard fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-4.
Aspire 4743 and 4743Z Notebook Series Service Guide
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Aspire 4743/4743G/4743Z/4743ZG Exploded Diagrams 0 Main Assembly 0 Figure 6-1. Description 1 Keyboard 2 Upper case black w/ speaker and power button board cable 3 Power button board 4 DC-in cable 5 DC PD 6 Mainboard 7 Thermal module 8 Bluetooth module 9 SD dummy card Part Number 90.4HL07.S0L 60.4IQ02.021 55.RC901.001 50.4IT06.031 55.4NI01.091G 60.4NI03.001 BH.21100.007 42.RC901.002 6-4 FRU (Field Replaceable Unit) List Main Assembly Exploded Diagram Table 6-1. Main Assembly Exploded Diagram No.
Aspire 4743/4743G/4743Z/4743ZG Exploded Diagrams 0 Main Assembly 0 Figure 6-1. Description 1 Keyboard 2 Upper case black w/ speaker and power button board cable 3 Power button board 4 DC-in cable 5 DC PD 6 Mainboard 7 Thermal module 8 Bluetooth module 9 SD dummy card Part Number 90.4HL07.S0L 60.4IQ02.021 55.RC901.001 50.4IT06.031 55.4NI01.091G 60.4NI03.001 BH.21100.007 42.RC901.002 6-4 FRU (Field Replaceable Unit) List Main Assembly Exploded Diagram Table 6-1. Main Assembly Exploded Diagram No.