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Advance Technical Repair of Laptops Motherboard

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Advance Technical Repair of Laptops Motherboard Overview

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Author: G. Greenwood
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ilmIT Computer Repair Manual Overview

Format: Ebook
Official Website: www.computerrepairebook.com
Price: $27.00

Replacing the Mainboard

Ensure that the Mainboard is face up. Place the Mainboard in the chassis, left hand edge first to allow the I O Ports through the casing, then lower it into place. NOTE Make sure the I O ports are positioned correctly through the lower cover, and the screw sockets are visible through the mainboard. 3. Replace the RJ-11 cable in the retaining clip on the Mainboard.

Removing the System Board

Disconnect the speaker cable from its system board connector (SPKR1). 2. Remove the single screw securing the system board to the lower case. 2. Remove the single screw securing the system board to the lower case. 3. Detach the system board from the upper case, then turn it over to gain access to the modem board. Proceed to the next section for instructions on how to remove the modem board.

Removing Replacing the Motherboard Assembly x Series Motherboard Assembly

Use the following procedure to remove replace the Motherboard Assembly in a 60x Series Notebook Figure 6-21 Unplugging Cables on 60x Series Motherboard 5. Remove the four screws that secure the motherboard to the inside assembly frame. Pull up on the Motherboard Assembly to release it from the inside assembly frame (refer to Figure 6-22). Figure 6-22 Detaching Motherboard from Inside Frame Assembly 6.5.17.2 Removing Replacing Motherboard on 65x Series Use the following procedure to remove replace the Motherboard Assembly in a 65x Series Notebook 5. Remove the five screws that secure the motherboard to the inside assembly frame. Pull up on the Motherboard Assembly to release it from the inside assembly frame (refer to Figure 6-23). Figure 6-23 Detaching Motherboard from Inside Frame Assembly Figure 6-23 Detaching Motherboard from Inside Frame Assembly

Disassembling the Mainboard

Follow these steps to disassemble the mainboard REMOVING THE CHARGER BOARD The PC Card Connector Module is normally part of the motherboard spare part. The following removal procedure is for reference only. Remove the four (4) screws and then detached the cable connected to the mainbaord (CN11) as shown below.

Removing Replacing the Motherboard and Keyboard Connection Board Assemblies

Use the following procedure to remove replace the Motherboard Assembly 5. Remove the five screws that secure the motherboard to the inside assembly frame. Pull up on the Motherboard Assembly to release it from the inside assembly frame (refer to Figure 6-21). 6. Turn the motherboard over and remove the Keyboard Connection Board. Figure 6-21 Detaching Motherboard from Inside Frame Assembly Figure 6-21 Detaching Motherboard from Inside Frame Assembly 1. Remove the Motherboard Assembly as described in Paragraph 6.5.17. 2. Remove the four screws securing the PCMCIA Module to the Motherboard Assembly (refer to Figure 6-22).

Removing the Mainboard

Acer Aspire 5732z Motherboard

Disconnect the Microphone cable from the Mainboard. 3. Disconnect the Bluetooth cable from the Mainboard. 4. Remove the two screws securing the Mainboard and Fan to the Lower Cover as indicated. Mainboard 5. Lift the Mainboard right side first to release the I O ports and separate the board from the Lower Cover.

Mainboard Data Utility

This utility will display Mainboard Data (MBD) which includes header informaiton, product name, manufacture name, UUID (Universally Unique IDentifiers) and serial number. This function can display and create MBD data as well as store those information to LCD inverter EEPROM (not flash ROM). Following are specification for this function.

Acer Motherboard Diagrams

Sw6 Acer Aspire Motherboard

If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board. If the error still remains If an error occurs, reconnect the connector on the System board. If the error still remains If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable extending from the keyboard is correctly seated in the connector on the system board. NOTE Perform the FRU replacement or actions in the sequence shown in FRU Action column, if the FRU replacement does not solve the problem, put the original part back in the computer. Do not replace a non-defective FRU. Configure Motherboard Configurable Devices (optional) Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. 1. Run the diagnostic test for the...

Disassemble the System FAN and Mainboard

Remove the three screws to detach the system fan from the mainboard. 3. Then detach the system fan from the mainboard. 4. Remove the one screw to detach the mainboard. 5. Push the edge outward in order to release the mainboard from the case. 8. Detach the fan from the mainboard.

Removing the mainboard from lower case

Disconnect the speaker cable from the mainboard. 3. Disconnect the microphone cable from the mainboard. 2. Disconnect the speaker cable from the mainboard. 3. Disconnect the microphone cable from the mainboard. 4. Remove the four screws that secure tha mainboard. 5. Detach the mainboard from the lower case. 6. Disconnect the power board cable from the mainboard and remove the power board from the mainboard. 8. Disconnect the fan cable from the mainboard. 9. Remove the thermal module from the mainboard. 8. Disconnect the fan cable from the mainboard. 9. Remove the thermal module from the mainboard.

Remove the Mainboard

Mainboard Acer Travelmate 4280

Disconnect the speaker cable from the mainboard. 11. Remove the mainboard from the lower case. 2. Release the screw securing the CIR board and remove the mainboard from the lower case. 3. Disconnect the CIR cable from the CIR board to separate the CIR board and mainboard. 3. Disconnect the CIR cable from the CIR board to separate the CIR board and mainboard.

Disassembly Procedure Flowchart

The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Mainboard

Removing the Switch Cover

Connect the FFC to the Mainboard and close the locking latch. 2. Connect the FFC to the Mainboard and close the locking latch. 2. Connect the Keyboard cable by inserting the cable into the Mainboard and closing the locking latch. 3. Connect the Backlight cable inserting the cable into the Mainboard and closing the FFC latch. 3. Connect the Backlight cable inserting the cable into the Mainboard and closing the FFC latch.

Remove the IO Card Reader

Remove the screw securing the Mainboard to the Lower Cover. 4. Remove the screw securing the Mainboard to the Lower Cover. Mainboard 5. Lift the Mainboard using both hands and remove it from the Lower Cover. 5. Lift the Mainboard using both hands and remove it from the Lower Cover.

Removing the LCD Module

Disconnect the Backlight and USB Board cables from the Mainboard. 7. Disconnect the Backlight and USB Board cables from the Mainboard. 13. Disconnect the Conductive cable from the Mainboard. 13. Disconnect the Conductive cable from the Mainboard. 14. Disconnect the LVDS cable from the Mainboard. 14. Disconnect the LVDS cable from the Mainboard.

Keyboard or Auxiliary Input Device Check

If the internal keyboard does not work or an unexpected error occurs, make sure that the flexible cable extending from the internal keyboard is correctly connected to the mainboard. If the keyboard cable connection is correct, run the Keyboard Test. 3. Replace the mainboard.

Intermittent Problems

Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. 1. Run the advanced diagnostic test for the mainboard in loop mode at least 10 times.

Replacing the LAN Board

NOTE The LVDS cable needs to be disconnected to allow access for replacing the LAN board. 1. Lift the adhesive strip securing the LVDS cable in place and disconnect the cable from the Mainboard. 5. Connect the LAN Board cable to the Mainboard and close the locking latch.

Index of SymptomtoFRUError Message

System board System board System board Reconnect the inverter board Inverter board System board Hard drive & battery connection board System board Hard drive & battery connection board System board Hold and press the power switch for more than 4 seconds. System board See Check the Battery Pack on page 78. Battery pack System board PCMCIA slot assembly System board System board Audio driver Speaker System board Speaker System board Keyboard (if control is from the keyboard) Hard disk drive System board Hard disk connection board Hard disk drive System board See Hibernation Mode on page 34. LCD cover switch System board See Hibernation Mode on page 34. Hard disk connection board Hard disk drive System board See Hibernation Mode on page 34. LCD cover switch System board System board Reconnect hard disk CD-ROM drives. Hard disk connection board System board Press Fn+F5, LCD CRT Both display switching System board System board System Board System board System board Reconnect touchpad...

Index of SymptomtoFRU Error Message

System board System board System board Reconnect the inverter board Inverter board System board Hard drive & battery connection board System board Hard drive & battery connection board System board Hold and press the power switch for more than 4 seconds. System board See Check the Battery Pack on page 71. Battery pack System board PCMCIA slot assembly System board System board Audio driver Speaker System board Speaker System board See Save to Disk (S4) on page 45. Keyboard (if control is from the keyboard) Hard disk drive System board Hard disk connection board Hard disk drive System board See Save to Disk (S4) on page 45. LCD cover switch System board See Save to Disk (S4) on page 45. Hard disk connection board Hard disk drive System board See Save to Disk (S4) on page 45. LCD cover switch System board System board Reconnect hard disk CD-ROM drives. Hard disk connection board System board Press Fn+F5, LCD CRT Both display switching System board System board System Board System...

Power Related Symptoms

Hard drive & battery connection board System board Hard drive & battery connection board System board Hold and press the power switch for more than 4 seconds. System board Battery pack System board PCMCIA slot assembly System board System board Audio driver Speaker System board Speaker System board Keyboard (if control is from the keyboard) Hard disk drive System board Hard disk connection board Hard disk drive System board

Index of Error Messages

Load Default Settings in BIOS Setup Utility. Hard disk drive System board BIOS ROM System board System board System board System board System board Run Load Default Settings in BIOS Setup Utility. RTC battery System board System board System board System board System board System board System board Run Load Default Settings in BIOS Setup Utility. RTC battery System board Run Load Default Settings in BIOS Setup Utility. RTC battery System board DIMM BIOS ROM System board BIOS ROM System board Run Load Default Settings in BIOS Setup Utility. RTC battery System board Enter Setup and see if fixed disk and drive A are properly identified. Diskette drive Hard disk drive System board Ensure every connector is connected tightly and correctly. Reconnect the DIMM. LED board. System board. System board System board Ensure every connector is connected tightly and correctly System board Speaker System board

System Check Procedures

If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board. If the error still remains If an error occurs, reconnect the connector on the System board. If the error still remains If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable extending from the keyboard is correctly seated in the connector on the system board.

Installing Main Memory Expansion Optional

Main memory on the 900 Series Notebooks can be expanded using an EDO Small Outline Dual Inline Memory Module (EDO soDIMM). These modules are available in 8 MB, 16 MB, 32 MB, and 64 MB sizes and install in the expansion memory slot on the System Board accessed through the Memory Expansion Door on the bottom of the notebook. The installation process consists of the following steps

Aspire Disassembly Procedure

Acer Aspire 7220 Cpu

Pull up both sides of the latches to disconnect the FFC from the mainboard. 4. Disconnect the right and left speaker cables from the mainboard. Disassemble the Main Unit ( VGA, Card Reader, Sub-Woofer and Mainboard) 2. Detach the VGA module from the mainboard. 10. Remove the one screw to release the mainboard. 11. Press the PCMCIA button and hold the position to release the mainboard from the case.

Replacing the Upper Cover

Acer Aspire 5538 Mainboard

Reconnect the three FFC cables to the mainboard. 3. Reconnect the three FFC cables to the mainboard. 5. Reconnect the Microphone cable to the Mainboard as shown. 5. Reconnect the Microphone cable to the Mainboard as shown. 6. Reconnect the LVDS cable to the Mainboard as shown.

Hardware Specifications and Configurations

System Board Major Chips Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources

Main Unit Disassembly Flowchart

Unlock and remove the touch-pad to mainboard FCC. 2. Detach the Bluetooth module cable from the mainboard. 6. Disconnect the speaker cable from the mainboard. 1. See Removing the Mainboard on page 71. 1. See Removing the Mainboard on page 71. 1. See Removing the Mainboard on page 71. 1. See Removing the Mainboard on page 71.

Removing the Keyboard

Pila Bios Acer Aspire 5920

Disconnect the following cables from the Mainboard. Release the locking latch on A as shown. Disconnect A from the Mainboard. Release the locking latch on A as shown. Disconnect A from the Mainboard. 2. Disconnect the Bluetooth to Mainboard cable. 5. Remove the one (1) screw securing the Mainboard to the Lower Cover. Mainboard 6. Lift the Mainboard from the side opposite the connector bracket, then remove it from the Lower Cover. 6. Lift the Mainboard from the side opposite the connector bracket, then remove it from the Lower Cover. 1. See Removing the Mainboard on page 65. 2. Disconnect the Fan cable from the Mainboard. 1. See Removing the Mainboard on page 65.

Removing the RTC Battery

Mainboard Acer Aspire 4920

To remove the battery, carefully pry the existing battery out of the Mainboard. 2. Disconnect the Bluetooth cable from the Mainboard. 2. Open the locking latch on the FFC and disconnect it from the Mainboard. 2. Disconnect the Speaker and Subwoofer cables from the Mainboard. 3. Remove the three (3) screws securing the Mainboard to the Lower Cover. 3. Remove the three (3) screws securing the Mainboard to the Lower Cover. Mainboard 4. Pivot the Mainboard upward and remove it from the chassis, right side first. Place the Mainboard on a clean, dust-free surface. 1. See Removing the Mainboard on page 99. 1. See Removing the Mainboard on page 99. 2. Disconnect the fan cable from the Mainboard. 4. Lift the Thermal Module clear of the Mainboard. 2. Remove the two (2) screws (in reverse numerical order from 2 to 1) securing the Graphics Card Heatsink to the Mainboard. 2. Remove the single screw securing the Graphics Card to the Mainboard. 3. Remove the Graphics Card from the Mainboard...

Machine Disassembly and Replacement

The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order.

Insyde Mobile Pro Bios Post Codes

Aspire 7720 Cmos

Boot started, check motherboard power is stable. Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists.

Removing the Upper Cover

Turn the computer over and disconnect the following cables from the Mainboard. 3. Turn the computer over and disconnect the following cables from the Mainboard. Release the locking latch on A as shown. Disconnect A from the Mainboard. Release the locking latch on A as shown. Disconnect A from the Mainboard.

Removing the CPU Fan Module

Aspire 5738 Cpu Fan

See Removing the Mainboard on page 85. 3. Turn the Mainboard right side up, and place it on a clean surface. 4. Using tweezers, grip the cable connector and disconnect the Fan cable from the Mainboard. IMPORTANT Do not grip the cable itself to prevent stripping. Mainboard 7. Lift the Fan module clear of the Mainboard. 7. Lift the Fan module clear of the Mainboard.

Travel Mate Series Model Configurations

System Board Internal Part Number 55.4U101.001G 55.4U101.M01G System Board Internal Part Number 55.4U101.001G 55.4U101.M01G System Board Internal Part Number 55.4U101.011G 55.4U101.M02G System Board Internal Part Number 55.4U101.011G 55.4U101.M02G System Board Internal Part Number 55.4U101.001G 55.4U101.M01G

Replacing the CPU Fan Module

Acer Travelmate Processor 6292 Replace

Connect the Fan cable to the Mainboard. 3. Connect the Fan cable to the Mainboard. 1. Ensure that the Mainboard is face up (the Heatsink and CPU are not visible). Place the Mainboard in the chassis, rear edge first, and press down to install. Replace the two securing screws as shown. NOTE Make sure the I O ports are positioned correctly through the lower cover, and the screw sockets are visible through the mainboard. 2. Replace the two securing screws on the mainboard. 3. Connect the ExpressCard and Bluetooth cables attached to the mainboard. 3. Connect the ExpressCard and Bluetooth cables attached to the mainboard.

Stages of the Disassembly Process

IMPORTANT The disassembly procedure described in this chapter is a gradual process, as illustrated in the flowcharts preceding each disassembly stage section. This means that users need to observe the instructions in a step-by step manner. To illustrate, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Failure to observe the gradual process may result in component damage.

Lower Cover Disassembly Flowchart

Ao531h Bluetooth

Mainboard (SSD and HDD SKU) Mainboard (SSD SKU only) 2. Open the Mainboard FFC locking latch and remove the FFC as shown. 3. Disconnect the Speaker cable from the Mainboard. 3. Disconnect the Speaker cable from the Mainboard. 2. Disconnect the Bluetooth cable from the Mainboard. 3. Lift the cable as shown to disengage the adhesive strip from the Mainboard. 5. Remove the four (or three for the HDD SKU) screws securing the Mainboard to the Lower Cover. NOTE The HDD SKU Mainboard is secured with three screws. Mainboard (red callout SSD and HDD SKU) Mainboard (green callout SSD SKU only) 6. Lift the Mainboard using both hands and remove it from the Lower Cover. 6. Lift the Mainboard using both hands and remove it from the Lower Cover. 1. See Removing the Mainboard on page 75. 2. Turn the Mainboard over and locate the RTC Battery. 3. Lift the battery out of the Mainboard socket as shown. 1. See Removing the Mainboard on page 75. 2. Turn the Mainboard CPU side up, and place it on a clean...

Changing Keyboard On Acer Travelmate C300

If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board. If the error still remains If an error occurs, reconnect the connector on the System board. If the error still remains If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable extending from the keyboard is correctly seated in the connector on the system board. NOTE Perform the FRU replacement or actions in the sequence shown in FRU Action column, if the FRU replacement does not solve the problem, put the original part back in the computer. Do not replace a non-defective FRU.

Power Management Related Symptoms

Keyboard (if control is from the keyboard) Hard disk drive System board Hard disk connection board Hard disk drive System board LCD cover switch System board Hard disk connection board Hard disk drive System board LCD cover switch System board Remove battery pack and let it cool for two hours. Refresh battery (continue to use battery until power off, then charge battery). Battery pack System board Reconnect hard disk CD-ROM drives. Hard disk connection board System board

Disassembly Procedure Flowchard

How Disassembly Acer Aspire One

The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order.

Removing the Bluetooth Module

Modulo Bluetooth Acer Aspire 5630

Disconnect the USB and Bluetooth cables remaining on the mainboard. 6. Grasp the RJ-11 cable and remove it from the mainboard as shown. 6. Grasp the RJ-11 cable and remove it from the mainboard as shown. 7. Disconnect the Subwoofer cable attached to the mainboard. 7. Disconnect the Subwoofer cable attached to the mainboard. Mainboard 9. While holding the left side of the Lower Base, lift and pivot the mainboard to remove from the base. 9. While holding the left side of the Lower Base, lift and pivot the mainboard to remove from the base. 10. Grasp the mainboard by both sides and pivot upwards to remove. 1. Remove the Mainboard. See Removing the Mainboard on page 82. 2. Turn the Mainboard over and place on a clean surface. 3. Hold the cable connector and lift to disconnect from the mainboard. WARNING To prevent damage to the Thermal Module or the CPU, hold and lift the Thermal Module by lifting both ends up and away at the same time. 5. Hold the module on both sides and lift it clear...

Replacing the RJ Port

Acer 4736zg Bluetooth Module

Replace the USB cable under the mainboard as shown. 4. Ensure that the Mainboard is face up. Place the Mainboard in the chassis, rear edge first, and press down to install. NOTE Make sure the I O ports are positioned correctly through the lower cover, and the screw sockets are visible through the mainboard. 1. Align the screw sockets and replace the modem 2. Replace the two securing screws. module and insert the module in mainboard.

External Modules Disassembly Flowchart

The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order.

Main Module Reassembly Procedure

Acer Travelmate 6292 Harddrive Replace

Ensure that the Mainboard is face up (the Heatsink and CPU are not visible). Place the Mainboard in the chassis, rear edge first, and press down to install. Replace the two securing screws as shown. NOTE If any resistance is met while installing the mainboard, ease the computer case outward to clear the obstruction. 2. Replace the three connectors in the Mainboard sockets as shown. 2. Replace the three connectors in the Mainboard sockets as shown. 3. Secure the Mainboard to the chassis using the two screws provided. 1. Ensure that the three LCM Module cable pass through the Mainboard and are accessible from the underside of the computer. Place the three cables in the wiring conduit and secure in place using the cable pins on the chassis.

Disassembling the Main Unit into Upper Case and Lower Case

Acer Aspire 7520 Lcd Wiring

Disconnect the power cable from the mainboard. 14. Disconnect the LID switch cable from the mainboard. 15. Disconnect the audio DJ cable from the mainboard. (Aspire series only) 14. Disconnect the LID switch cable from the mainboard. 15. Disconnect the audio DJ cable from the mainboard. (Aspire series only) 17. Disconnect the MIC wire cable from the mainboard. 18. Unlatch the touchpad board FFC and disconnect the touchpad board FFC from the mainboard. 17. Disconnect the MIC wire cable from the mainboard. 18. Unlatch the touchpad board FFC and disconnect the touchpad board FFC from the mainboard.

Replacing the RTC Battery

5520g Rtc Battery

To replace the battery, pry the existing battery out of the Mainboard and press a replacement down firmly in to the socket. 4. Connect the Mainboard FFC to the TouchPad Board and close the locking latch. 4. Connect the Mainboard FFC to the TouchPad Board and close the locking latch.

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The Ultimate Computer Repair Guide

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