Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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Table of Contents Features 1 System Specifications 1 1 System Block Diagram 4 Your Acer Notebook tour 5 Top view 5 Hotkeys 6 Closed front view 7 Rear view 7 Left view 7 Right view 9 Base view 9 Hardware Specifications and Configurations 11 BIOS Setup Utility 19 ... Module 39 Removing the Wireless LAN Card 40 Removing the DIMM Module 42 Main Unit Disassembly Process 43 Main Unit Disassembly Flowchart 43 Removing the Keyboard 44 Separating the Upper Case from the Lower Case 45 Removing the Touchpad Boards 47 Removing the Left and Right Speakers 49 Removing the Power...
Table of Contents Features 1 System Specifications 1 1 System Block Diagram 4 Your Acer Notebook tour 5 Top view 5 Hotkeys 6 Closed front view 7 Rear view 7 Left view 7 Right view 9 Base view 9 Hardware Specifications and Configurations 11 BIOS Setup Utility 19 ... Module 39 Removing the Wireless LAN Card 40 Removing the DIMM Module 42 Main Unit Disassembly Process 43 Main Unit Disassembly Flowchart 43 Removing the Keyboard 44 Separating the Upper Case from the Lower Case 45 Removing the Touchpad Boards 47 Removing the Left and Right Speakers 49 Removing the Power...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... Removing the Microphone 74 Removing the Antennas 74 Troubleshooting 77 System Check Procedures 78 External Diskette Drive Check 78 External Optical Disk Drive Check 78 Keyboard or Auxiliary Input Device Check 78 Memory Check 79 Power System Check 79 Touchpad Check 80 Power-On Self-Test (POST) Error Message 80 ... Password Check 96 BIOS Recovery by Crisis Disk 97 FRU (Field Replaceable Unit) List 99 Exploded Diagram 100 113 Model Definition and Configuration 113 Aspire 4750/4750G Series 114 Test Compatible Components 135 Hardware Device Tests 136 Online Support Information 139 Index 141 VIII
... Removing the Microphone 74 Removing the Antennas 74 Troubleshooting 77 System Check Procedures 78 External Diskette Drive Check 78 External Optical Disk Drive Check 78 Keyboard or Auxiliary Input Device Check 78 Memory Check 79 Power System Check 79 Touchpad Check 80 Power-On Self-Test (POST) Error Message 80 ... Password Check 96 BIOS Recovery by Crisis Disk 97 FRU (Field Replaceable Unit) List 99 Exploded Diagram 100 113 Model Definition and Configuration 113 Aspire 4750/4750G Series 114 Test Compatible Components 135 Hardware Device Tests 136 Online Support Information 139 Index 141 VIII
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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...double-layer drive* • DVD-Super Multi double-layer drive* • Multi-in-1 card reader Special keys and controls • 86-key keyboard • Touchpad pointing device Audio Dolby®-optimized surround sound system with S/PDIF support • Microphone-in jack • Line-in jack ...8226; Ethernet (RJ-45) port • DC-in microphones Communication • Integrated Acer Crystal Eye webcam* • WLAN: IEEE 802.11b/g/n • LAN: Gigabit Ethernet; Wake-on-LAN ready I/O Ports • Multi-in-1 card ...
...double-layer drive* • DVD-Super Multi double-layer drive* • Multi-in-1 card reader Special keys and controls • 86-key keyboard • Touchpad pointing device Audio Dolby®-optimized surround sound system with S/PDIF support • Microphone-in jack • Line-in jack ...8226; Ethernet (RJ-45) port • DC-in microphones Communication • Integrated Acer Crystal Eye webcam* • WLAN: IEEE 802.11b/g/n • LAN: Gigabit Ethernet; Wake-on-LAN ready I/O Ports • Multi-in-1 card ...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... for video communication (only for certain model). Indicates the computer's power status. Battery indicator Indicates the computer's battery status. 1. Turns the computer on and off. 4 Keyboard 5 Touchpad 6 HDD indicator For entering data into your new computer. Chapter 1 5 Communication indicator Power indicator Indicates the computer's wireless connectivity device status. Your...
... for video communication (only for certain model). Indicates the computer's power status. Battery indicator Indicates the computer's battery status. 1. Turns the computer on and off. 4 Keyboard 5 Touchpad 6 HDD indicator For entering data into your new computer. Chapter 1 5 Communication indicator Power indicator Indicates the computer's wireless connectivity device status. Your...
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... parallel Specification AUO/CMI/LG/Samsung 14 inches 14" WXGA+ Glare 0.204 x 0.204 R.G.B. Video Memory Item Chipset Memory size Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor Battery Type Pack capacity Number of battery cell Package configuration LCD 14" inch Item Vendor... UMA NVidia N12PGS A1 40nm 29mm*29mm GB1-128 package NVidia N12PGV A1 40nm 29mm*29mm GB1-128 package 1 GB DDR3 Specification NPCE781B 86-key keyboard Yes Plug USB keyboard to +60 Chapter 1
... parallel Specification AUO/CMI/LG/Samsung 14 inches 14" WXGA+ Glare 0.204 x 0.204 R.G.B. Video Memory Item Chipset Memory size Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor Battery Type Pack capacity Number of battery cell Package configuration LCD 14" inch Item Vendor... UMA NVidia N12PGS A1 40nm 29mm*29mm GB1-128 package NVidia N12PGV A1 40nm 29mm*29mm GB1-128 package 1 GB DDR3 Specification NPCE781B 86-key keyboard Yes Plug USB keyboard to +60 Chapter 1
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...-(XX) XXXXXXXX XXXXXXXXXXX-XXX XX-XXXX-(XX) VX.XX XX-XXX XXXXXX.XXX.XXX.XXX.XXXXXX XX.XX XXXXXXXXXXXXXXXXXXXXXXX Base Board Asset Tag Aspire 4750 Acer XXXxXxXX-xXxX-XXxx-xXXx-xXXxXXxXxxXX F1 Help Esc Exit Select Item -/+ Change Values F9 Setup Defaults Select Menu Enter Select Sub-Menu F10... the serial number of the system. This field shows the speed of your computer hardware information. Chapter 2 21 This field shows the keyboard This field displays the serial number of the Distributed Computing Environment (DCE). Information The Information screen displays a summary of the CPU.
...-(XX) XXXXXXXX XXXXXXXXXXX-XXX XX-XXXX-(XX) VX.XX XX-XXX XXXXXX.XXX.XXX.XXX.XXXXXX XX.XX XXXXXXXXXXXXXXXXXXXXXXX Base Board Asset Tag Aspire 4750 Acer XXXxXxXX-xXxX-XXxx-xXXx-xXXxXXxXxxXX F1 Help Esc Exit Select Item -/+ Change Values F9 Setup Defaults Select Menu Enter Select Sub-Menu F10... the serial number of the system. This field shows the speed of your computer hardware information. Chapter 2 21 This field shows the keyboard This field displays the serial number of the Distributed Computing Environment (DCE). Information The Information screen displays a summary of the CPU.
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... in the succeeding disassembly sections illustrate the entire disassembly sequence. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that you do the following stages: • External module disassembly • Main unit disassembly • LCD module disassembly...
... in the succeeding disassembly sections illustrate the entire disassembly sequence. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that you do the following stages: • External module disassembly • Main unit disassembly • LCD module disassembly...
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... Disassembly Process External Modules Disassembly Flowchart The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you must first remove the keyboard, then disassemble the inside assembly frame in that need to remove the main board, you on the components that order. EXTERNAL MODULE DISASSEMBLY TURN OFF...
... Disassembly Process External Modules Disassembly Flowchart The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you must first remove the keyboard, then disassemble the inside assembly frame in that need to remove the main board, you on the components that order. EXTERNAL MODULE DISASSEMBLY TURN OFF...
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Removing the Keyboard 1. See "Removing the Battery Pack" on page 36. 2. Turn the system over and release the latches securing the keyboard. Size (Quantity) M2.5 x L6 (2) Color Black Torque 3.0 kgf-cm 3. Remove the two screws (A) from the bottom cover. Part No. 86.00E12.536 44 Chapter 3
Removing the Keyboard 1. See "Removing the Battery Pack" on page 36. 2. Turn the system over and release the latches securing the keyboard. Size (Quantity) M2.5 x L6 (2) Color Black Torque 3.0 kgf-cm 3. Remove the two screws (A) from the bottom cover. Part No. 86.00E12.536 44 Chapter 3
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Release the latch and disconnect the keyboard cable from the Lower Case 1. 4. See "Removing the Battery Pack" on the main board and detach the keyboard. See "Removing the Optical Drive Module" on top of the palmrest. 5. Chapter 3 45 Carefully lift up the lift the keyboard and place in on page 37. 3. See "Removing the Wireless LAN Card" on page 42. See "Removing the DIMM Module" on page 40. 6. See "Removing the Back Cover" on page 39. 5. Separating the Upper Case from its connector on page 36. 2. See "Removing the Hard Disk Drive Module" on page 38. 4.
Release the latch and disconnect the keyboard cable from the Lower Case 1. 4. See "Removing the Battery Pack" on the main board and detach the keyboard. See "Removing the Optical Drive Module" on top of the palmrest. 5. Chapter 3 45 Carefully lift up the lift the keyboard and place in on page 37. 3. See "Removing the Wireless LAN Card" on page 42. See "Removing the DIMM Module" on page 40. 6. See "Removing the Back Cover" on page 39. 5. Separating the Upper Case from its connector on page 36. 2. See "Removing the Hard Disk Drive Module" on page 38. 4.
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Disconnect the touchpad cable from TPAD1 and power button cable from the bottom panel. 9 10 11 12 1 8 42 7 6 5 3 Size (Quantity) M2.5 x L6 (1~9) M2 x L3 (10~12) Black Black Color Torque 3.0 kgf-cm 1.6 kgf-cm Part No. 86.00E12.536 86.00F80.723 9. 7. See "Removing the Keyboard" on page 44. 8. Remove the twelve screws (9 x A, 3 x C) from PWRCN1. 46 Chapter 3
Disconnect the touchpad cable from TPAD1 and power button cable from the bottom panel. 9 10 11 12 1 8 42 7 6 5 3 Size (Quantity) M2.5 x L6 (1~9) M2 x L3 (10~12) Black Black Color Torque 3.0 kgf-cm 1.6 kgf-cm Part No. 86.00E12.536 86.00F80.723 9. 7. See "Removing the Keyboard" on page 44. 8. Remove the twelve screws (9 x A, 3 x C) from PWRCN1. 46 Chapter 3
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.... 10. Release the latch and disconnect the touchpad cable from the Lower Case" on page 42. 7. WARNING: The touchpad board is defective. See "Removing the Keyboard" on page 44. 8. 6.
.... 10. Release the latch and disconnect the touchpad cable from the Lower Case" on page 42. 7. WARNING: The touchpad board is defective. See "Removing the Keyboard" on page 44. 8. 6.
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See "Removing the DIMM Module" on page 37. 3. See "Separating the Upper Case from the power button board. Disconnect the speaker cable from the Lower Case" on page 36. 2. See "Removing the Optical Drive Module" on page 42. 7. See "Removing the Wireless LAN Card" on page 44. 8. See "Removing the Keyboard" on page 40. 6. See "Removing the Back Cover" on page 39. 5. Chapter 3 49 See "Removing the Hard Disk Drive Module" on page 38. 4. Removing the Left and Right Speakers 1. See "Removing the Battery Pack" on page 45. 9.
See "Removing the DIMM Module" on page 37. 3. See "Separating the Upper Case from the power button board. Disconnect the speaker cable from the Lower Case" on page 36. 2. See "Removing the Optical Drive Module" on page 42. 7. See "Removing the Wireless LAN Card" on page 44. 8. See "Removing the Keyboard" on page 40. 6. See "Removing the Back Cover" on page 39. 5. Chapter 3 49 See "Removing the Hard Disk Drive Module" on page 38. 4. Removing the Left and Right Speakers 1. See "Removing the Battery Pack" on page 45. 9.
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... page 39. 5. Chapter 3 51 See "Removing the Hard Disk Drive Module" on page 37. 3. See "Removing the Back Cover" on page 44. 8. See "Removing the Keyboard" on page 38. 4.
... page 39. 5. Chapter 3 51 See "Removing the Hard Disk Drive Module" on page 37. 3. See "Removing the Back Cover" on page 44. 8. See "Removing the Keyboard" on page 38. 4.
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See "Removing the DIMM Module" on page 45. 9. See "Separating the Upper Case from the Lower Case" on page 42. 7. Removing the RTC Battery 1. 5. See "Removing the Keyboard" on page 40. 6. NOTE: The Bluetooth module is glued to the lower case, take care when removing it. Chapter 3 53 See "Removing the Wireless LAN Card" on page 44. 8. See "Removing the Optical Drive Module" on page 36. 2. Remove the Bluetooth module from the main board. 10. Disconnect the Bluetooth cable from the lower case. See "Removing the Battery Pack" on page 37.
See "Removing the DIMM Module" on page 45. 9. See "Separating the Upper Case from the Lower Case" on page 42. 7. Removing the RTC Battery 1. 5. See "Removing the Keyboard" on page 40. 6. NOTE: The Bluetooth module is glued to the lower case, take care when removing it. Chapter 3 53 See "Removing the Wireless LAN Card" on page 44. 8. See "Removing the Optical Drive Module" on page 36. 2. Remove the Bluetooth module from the main board. 10. Disconnect the Bluetooth cable from the lower case. See "Removing the Battery Pack" on page 37.
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... to remove the RTC battery. 10. See "Removing the DIMM Module" on page 42. 7. See "Removing the Back Cover" on page 44. 8. See "Removing the Keyboard" on page 38. 4. Removing the USB Board 1. See "Removing the Battery Pack" on page 39. 5. See "Removing the Hard Disk Drive Module" on page 36... 3 See "Separating the Upper Case from the Lower Case" on page 40. 6. See "Removing the Hard Disk Drive Module" on page 44. 8. See "Removing the Keyboard" on page 39. 5. 3.
... to remove the RTC battery. 10. See "Removing the DIMM Module" on page 42. 7. See "Removing the Back Cover" on page 44. 8. See "Removing the Keyboard" on page 38. 4. Removing the USB Board 1. See "Removing the Battery Pack" on page 39. 5. See "Removing the Hard Disk Drive Module" on page 36... 3 See "Separating the Upper Case from the Lower Case" on page 40. 6. See "Removing the Hard Disk Drive Module" on page 44. 8. See "Removing the Keyboard" on page 39. 5. 3.
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9. See "Removing the DIMM Module" on page 38. 4. Chapter 3 55 See "Removing the Back Cover" on page 42. 7. Removing the Main Board 1. See "Removing the Battery Pack" on page 40. 6. Remove the USB board module from the main board. 10. See "Removing the Wireless LAN Card" on page 36. 2. See "Removing the Hard Disk Drive Module" on page 37. 3. See "Removing the Optical Drive Module" on page 39. 5. See "Removing the Keyboard" on page 44. Disconnect the USB board cables from the lower case.
9. See "Removing the DIMM Module" on page 38. 4. Chapter 3 55 See "Removing the Back Cover" on page 42. 7. Removing the Main Board 1. See "Removing the Battery Pack" on page 40. 6. Remove the USB board module from the main board. 10. See "Removing the Wireless LAN Card" on page 36. 2. See "Removing the Hard Disk Drive Module" on page 37. 3. See "Removing the Optical Drive Module" on page 39. 5. See "Removing the Keyboard" on page 44. Disconnect the USB board cables from the lower case.
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... Module" on page 39. 5. See "Removing the DIMM Module" on page 52. 10. 16. See "Removing the Bluetooth Module" on page 42. 7. See "Removing the Keyboard" on page 38. 4. See "Removing the Back Cover" on page 44. 8. See "Removing the Main Board" on page 45. 9. See "Separating the Upper Case from...
... Module" on page 39. 5. See "Removing the DIMM Module" on page 52. 10. 16. See "Removing the Bluetooth Module" on page 42. 7. See "Removing the Keyboard" on page 38. 4. See "Removing the Back Cover" on page 44. 8. See "Removing the Main Board" on page 45. 9. See "Separating the Upper Case from...
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... Bluetooth Module" on page 42. 7. See "Removing the DIMM Module" on page 52. 10. See "Removing the RTC Battery" on page 44. 8. See "Removing the Keyboard" on page 53. 11. See "Removing the USB Board" on page 40. 6. See "Removing the Wireless LAN Card" on page 54. 12. Removing the CPU...
... Bluetooth Module" on page 42. 7. See "Removing the DIMM Module" on page 52. 10. See "Removing the RTC Battery" on page 44. 8. See "Removing the Keyboard" on page 53. 11. See "Removing the USB Board" on page 40. 6. See "Removing the Wireless LAN Card" on page 54. 12. Removing the CPU...
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Carefully pull out the wireless antenna cables from the latches. 62 Chapter 3 See "Removing the Keyboard" on page 52. 10. See "Removing the Bluetooth Module" on page 44. 8. See "Removing the Main Board" on page 53. 11. remove the tapes securing the cables and release the cables from the hole; See "Removing the RTC Battery" on page 55. 13. See "Separating the Upper Case from the latches. 14. See "Removing the USB Board" on page 45. 9. 7. Release the antenna cables from the Lower Case" on page 54. 12.
Carefully pull out the wireless antenna cables from the latches. 62 Chapter 3 See "Removing the Keyboard" on page 52. 10. See "Removing the Bluetooth Module" on page 44. 8. See "Removing the Main Board" on page 53. 11. remove the tapes securing the cables and release the cables from the hole; See "Removing the RTC Battery" on page 55. 13. See "Separating the Upper Case from the latches. 14. See "Removing the USB Board" on page 45. 9. 7. Release the antenna cables from the Lower Case" on page 54. 12.