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Acer 7745 manual Replacing the RTC Battery

Models: 7745

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Specification Install System Block Diagram Bluetooth Password Euro symbol Indicators Wireless LAN Warranty Common Problems

Page 123

Replacing the RTC Battery

1.Push the RTC battery into the cradle on the mainboard, plus (+) side up.

Chapter 3

113

Page 122 Page 124

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Acer 7745 manual Replacing the RTC Battery

Page 122 Page 124

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Contents

Aspire 7745 Series Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Viii 139 Acer Aspire 7745G Series Acer Aspire 7745 SeriesAspire 7745 Series Table of Contents Features ChapterTFT LCD Storage subsystem Energy Star Communication Ports Warranty Intel System Block Diagram Icon Description Top View Closed Front View Right View Left View Base View Indicators Icon Function DescriptionHDD Function Left Button Right Button Main TouchPad TouchPad Basics Lock key Description Using the KeyboardDesired access Num Lock on Num Lock off Lock Keys and embedded numeric keypad Key Description Windows Keys Hotkey Icon Function Description Hot Keys Special Keys Euro symbol CPU Hardware Specifications and ConfigurationsProcessor Specification Processor Specifications Lqfp Power and Keyboard Controller SpecificationMedia Card Reader Specification Camera 1.3M Specifications System Memory Specification Core Logic Specifications DDR3 Video Specifications Sata Hard Disk Drive Interface SpecificationHgst RPM LCD Specification Bluetooth Interface SpecificationAUO AS10D3E Audio Subsystem SpecificationWireless Module 802.11b/g/Draft-N Specification Battery Specification Cell LAN Interface Specification Memory Combinations Slot Total Memory 3G Module SpecificationUSB Port Specification Hdmi Port Specification Super-Multi Drive Module Pcmcia Port Not available with this model Specification System Board Major Chips Specification Ports SpecificationLCD Inverter Not available with this model Specification LCD Display Supported Resolution Bits AC Adapter SpecificationSystem LED Indicator Specification Power Specification Initial Stand Suspend Hibernate Soft Off Chapter Navigating the Bios Utility Bios Setup Utility Parameter Description Information Option Switchable or MainParameter Description Format/Option Clear or Set Disabled orSecurity Parameter Description Option Enter New Password Continue USB KEY BootUSB HDD USB FFD Exit Saving Changes Exit DOS Flash Utility Bios Flash Utility WinFlash Utility Remove HDD PasswordPage 07yqmjd Cjl14tm 6mbzjaj Removing Bios Passwords Miscellaneous Utilities Using Boot Sequence Selector Function Description Using the LAN MAC Utility Removing Bios Passwords Chapter Disassembly Requirements Replacement RequirementsRelated Information Pre-disassembly Instructions Disassembly Process Main Screw List Quantity Acer Part NumberTBD External Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the Dummy Card Step Screw Quantity Screw Type Removing the Base Door Removing the Hard Disk Drive Module Remove the two 2 screws of the HDD bracket Removing the Dimm Module Removing the Wlan Module Pull the Wlan module out and away Removing the 2nd HDD Module Step Screw Quantity Screw Type Remove the four 4 screws from the HDD bracket Removing the ODD Module Page Main Unit Disassembly Flowchart Main Unit Disassembly Process Step Screw Quantity Removing the Keyboard Page Removing the Upper Cover Remove the seven 7 screws from the upper cover Removing the LCD Module Remove the four 4 screws from the hinges Removing the Bluetooth Module Detach the Bluetooth module cable from the module Chapter Removing the USB Board Remove one 1 screw from the USB board Removing the Mainboard Remove the three 3 screws from the mainboard Removing the LAN Board Removing the RTC Battery Removing the Thermal Module Lift the thermal module away from the main board Chapter Removing the CPU Removing the PCH Heatsink Removing the DC-IN Cable Assembly Removing the Switch Board Unlock and disconnect the switch board FFC Removing the Power Board Remove the three 3 screws LCD Module Disassembly Flowchart LCD Module Disassembly Process Removing the LCD Bezel Remove the bezel from the LCD module Chapter Removing the Camera Board Removing the LCD Panel LCD Bracket Disassembly Page Chapter Removing the Antennas Pry the right antenna from the casing Replacing the Microphone LCD Reassembly Procedure Replacing the Antennas Lay the cables around the module edge Chapter 101 Replacing the LCD Panel Page 104 Chapter Place the Lvds cable into cable guides Chapter 105 Replacing the Camera Board Replacing the LCD Bezel Replace the two 2 bezel screws Replacing the Power Assembly Main Unit Reassembly Process Replacing the CPU Replacing the PCH Thermal ModulePage Replacing the Thermal Module Replacing the RTC Battery 114 Chapter Replacing the Mainboard Replacing the USB board Page Replacing the Bluetooth Module Page Replacing the LCD Module Page Replacing the Power Board Replacing the Switch Board Replacing the Upper Cover Page Connect and lock the Power board FFC Replacing the Keyboard Replacing the Wireless LAN Module Replacing the Dimm Module Replacing the 2nd HDD Module Page Replacing the Hard Disk Drive Page Replacing the ODD Module Page Replacing the Base Door Replace the Dummy Card Replacing the Battery 138 Chapter Symptoms Verified Go To Common Problems Computer Shuts down Intermittently Power On Issue Start No Display Issue Abnormal Video Display Random Loss of Bios Settings LCD Failure Built-In Keyboard Failure TouchPad Failure Internal Speaker Failure Sound Problems Internal Microphone Failure Select Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair Other Failures USB Failure Right up/down side Intermittent Problems Undetermined ProblemsDimm Post Code Reference Tables Post Code Range Phase Peirecoverymediafound PEI Peimemoryinstall PEIPeiswitchstack PEI Peienterrecoverymode PEI Dxesmmcontrolerinit DXE Bdsinstallhotkey BDSBdsbeforepciioinstall BDS Dxesatainit DXE PostBDS Post Code Table Functionality Name Include\ Post Description PostCode.hPost Description Code Functionality Name Include\ PostCode.h Phase Description 156 Chapter Mainboard Top View Mainboard Bottom View Mainboard Cmos Discharge Clearing Password Check and Bios Recovery Bios Recovery Boot Block Bios Recovery by Crisis Disk FRU Field Replaceable Unit List MB.PTZ Exploded DiagramsMain Assembly Description Part Number LCD Assembly FRU List Power Cord Brazil Imetro 3 PIN Power CORDSWI1.8M 3PBLACK FZ010008Power Cord US 3PIN Rohs Power Cordeu 1.8M 3PBLACK FM010008 ODD BD Combo Module Assy ODD Super Multi Module Assy Tray 8X DLODD Bezel Super Multi ODD Bracket HDD Bracket 2ND HDD Bracket2ND HDD Conn LCD Module 17.3 LED WXGA+ Glare W/MIC ANT*2LCD COVERW/MIC,ANT*2 LCD Bracket Hinge R LCD BezelLCD Cable LCD Bracket Hinge L Screw Table Appendix a Acer Aspire 7745G SeriesModel Country Acer Description AAP Eastern Luxembo Emea LX.PUL Emea LX.PUM AS7745G-724G64Mn W7HP64ATEU7 MC AS7745G-724G64Mn EM W7HP64EMATME2 MC AS7745G-724G64Mn W7HP64RUATUK1 MC AS7745G-724G50Mn W7HP64ATFR1 MC AS7745G-724G50Mn EM W7HP64EMATMEB MC AS7745G-724G50Mi W7HP64RUATRU1 MC AS7745G-724G1TBn W7HP64ATFR1 MC Gctwn S2.PUM Gctwn S2.PUN Gctwn S2.PULLX.PUN S2.PUP AS7745G-523G32Mn EM W7HB64EMATTR1 MC AS7745G-434G82Bn W7HP64ATBC5 MC AS7745G-434G82Bn W7HP64ATLV1 MC LX.PUK Emea LX.PUN LX.PUP AS7745G-434G64Mn W7HP64ATLU3 MC Emea LX.PUK AS7745G-434G32Mn EM W7HP64EMATDZ1 MC AS7745G-434G32Mn W7HP64ATGR1 MC AS7745G-434G32Mn W7HP64ATPL1 MC AS7745G-434G1TMn W7HP64ATBC3 MC AS7745G-434G1TMn W7HP64ATEU7 MC AS7745G-434G1TMn W7HP64ATNL1 MC AS7745G-434G1TMn EM W7HP64EMATME2 MC AS7745G-434G1TMn W7HP64ATPT1 MC Emea LX.PUP D4V3J S2.PUKGctwn S2.PUK Model Country Acer BOM Name AS7745G Russia AS7745GMADISONPRO1GBCksQ3 Ci7720QM 728G1.28TB 02.046 AS7745GMADISONPRO1GBCksQ3 Ci7720QM 728G1.28TB 02.086 AS7745GMADISONPRO1GBCksQ3 Ci7720QM 726G1TMn 02.141 AS7745GMADISONPRO1GBCksQ3 Ci7720QM 724G64Mn 02.012 AS7745GMADISONPRO1GBCksQ3 Ci7720QM 724G64Mn 02.045 AS7745GMADISONPRO1GBCksQ3 Ci7720QM 724G50Mn 02.107 AS7745GMADISONPRO1GBCksQ3 Ci7720QM 724G50Mn 02.112 AS7745G Holland V3J AS7745GMADISONPRO1GBCks3V Ci5430M 438G1TBn 02.212 Spain AS7745GMADISONPRO1GBCks3V Ci5430M 434G82Bn 02.149 Germany AS7745GMADISONPRO1GBCks3V Ci5430M 434G82Bn 02.191 Spain AS7745GMADISONPRO1GBCks3V Ci5430M 434G64Mn 02.103 Germany AS7745GMADISONPRO1GBCks3V Ci5430M 434G64Mn 02.114 Serbia AS7745GMADISONPRO1GBCks3V Ci5430M 434G32Mn 02.018 Baltic AS7745GMADISONPRO1GBCks3V Ci5430M 434G32Mn 02.055 Poland AS7745GBROADWAYPRO1GBCks3 Ci5430M 434G1TMn 02.003 AS7745GBROADWAYPRO1GBCks3 Ci5430M 434G1TMn Europe 02.036 AS7745GBROADWAYPRO1GBCks3 Ci5430M 434G1TMn 02.073 AS7745GBROADWAYPRO1GBCks3 Ci5430M 434G1TMn Macedonia 02.060 1GB 2GB Model Country Acer VGA Chip LX.PUM Broadwayp 1G-DDR3 N640GB5 728G1.28TB Europe 02.057 64*16*8 4KS AS7745G Eastern N640GB5 728G1.28TB 02.079 64*16*8 4KS AS7745G Middle East N640GB5 726G64Mn 02.062 64*16*8 4KS AS7745G Belgium N640GB5 724G64Mn 02.028 64*16*8 4KS AS7745G Greece N640GB5 724G64Mn 02.018 64*16*8 4KS AS7745G Switzerland N500GB5 724G50Mn 02.121 64*16*8 4KS AS7745G Greece AS7745G South N500GB5 724G1TBn Europe 02.027 64*16*8 4KS AS7745G France S2.PUP Broadwayp 1G-DDR3 Gctwn S2.PUM Broadwayp 1G-DDR3Gctwn S2.PUL Madisonpr 1G-DDR3 LX.PUN Madisonpr 1G-DDR3 N640GB5 526G64Bn 02.208 64*16*8 4KS AS7745G Germany N500GB5 N320GB 434G82Bn 02.168 64*16*8 4KS AS7745G Denmark LX.PUK Parkxt LX.PUP Broadwayp 1G-DDR3 N640GB5 434G64Mn 02.141 64*16*8 4KS AS7745G Middle East 512M N500GB5 434G50Mn 02.005 N320GB5 434G32Mn 02.008 64*16*8 4KS AS7745G Latvia 512M N320GB5 434G32Mi 01.001 N500GB5 434G1TMn Europe 02.054 64*16*8 4KS AS7745G Eastern N500GB5 434G1TMn 02.070 64*16*8 4KS AS7745G Latvia N500GB5 434G1TMn 02.078 64*16*8 4KS AS7745G Portugal Gctwn S2.PUK Parkxt S2.PUK Parkxt Model Country Acer Memory 728G1.28T 065 AS7745G Czech AS7745G Luxembo AS7745G Switzerlan 724G64Mn 007 AS7745G Eastern AS7745G Middle 724G50Mn Europe 092 AS7745G Eastern 724G50Mn East 136 AS7745G Poland 724G1TBn 02.020 AS7745G Czech Gctwn S2.PUM SO2GBIII10 Gctwn S2.PUL0 SO2GBIII10LX.PUM SO4GBIII10 S2.PUN0 SO2GBIII10 LX.PUN0 SO2GBIII10S2.PUP0 SO2GBIII10 Gctwn S2.PUN0 SO2GBIII10 434G82Bn 185 AS7745G Austria 434G82Bn East 180 AS7745G Middle LX.PUP0 SO2GBIII10 LX.PUK0 SO2GBIII10 434G64Mn Urg 124 AS7745G Middle 434G64Mi 194 AS7745G Germany 434G32Mn Europe 023 AS7745G France 434G32Mn Africa 038 AS7745G South 434G1TMn 065 AS7745G Czech 434G1TMn 064 AS7745G Hungary 434G1TMn East 007 AS7745G Middle Gctwn S2.PUK0 SO2GBIII10 LX.PUP0 SO2GBIII10 SO4GBIII10LX.PUK0 SO2GBIII10 SO1GBIII10 S2.PUK0 SO1GBIII10 Gctwn S2.PTZ0 Acer Aspire 7745 SeriesS2.PUK0 SO2GBIII10 Emea LX.PTZ0 4KS Model Country Acer Part No BOM NameGctwn Emea LX.PTZ UMA S2.PTZ SO1GBIII10 S2.PTZ UMALX.PTZ SO2GBIII10 Gctwn S2.PTZ SO1GBIII10 431G32Mi 02.003 AS7745 Adapter Appendix BAspire 7745 Series Vendor Type Description 2nd HDD Card Reader Vendor Type Description BatteryBluetooth Camera Keyboard Vendor Type Description WiFi Antenna Wireless LANNB Chipset Appendix B 277 278 Appendix C Online Support Information 280 Index Bios Removing 74, 78

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