Acer Aspire 4732z Service Guide
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Acer Aspire 4732Z/4332 Service Guide 53 Removing the LCD Panel 1.Perform the “Removing the LCD Bezel” procedure on page 51. 2.Detach the LCD cable and WLAN antennas from their LCD case latches. 3.Disconnect the CCD board cable. 4.Remove the screws securing the LCD hinges to the LCD case. Ty p eQuantityColorTo r q u ePart Number M2.5 x L52Black3.0 kgf-cm86.00F87.735
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54 Acer Aspire 4732Z/4332 Service Guide 5.Remove the LCD panel from the LCD case. Removing the LCD-CCD Coaxial Cable 1.Perform the “Removing the LCD Panel” procedure on page 53. 2.Detach the CCD end of the LCD-CCD coaxial cable from the LCD panel. 3.Detach the clear adhesive tape protecting the LCD FPC cable connector, then disconnect the cable from the LCD panel PCB.
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Acer Aspire 4732Z/4332 Service Guide 55 Removing the LCD Panel Brackets 1.Perform the “Removing the LCD Panel” procedure on page 53. 2.Remove the screws securing the LCD panel brackets. Ty p eQuantityColorTo r q u ePart Number M2 x L38Silver1.6 kgf-cm86.00C07.220 Removing the WLAN Antennas 1.Perform the “Removing the LCD Panel” procedure on page 53. 2.Detach the aluminum foil tabs securing the WLAN antennas. 3.Detach the WLAN antennas from the LCD case.
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56 Acer Aspire 4732Z/4332 Service Guide Removing the CCD Board 1.Perform the “Removing the LCD Panel” procedure on page 53. 2.Pry loose the CCD board from the LCD case to remove it. CAUTION: The CCD board is glued to the LCD case. Remove the CCD board only if it is defective.
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Acer Aspire 4732Z/4332 Service Guide 57 This chapter list the POST error indicators and BIOS beep codes, as well general troubleshooting instructions. POST Error Indicators When a system error is detected during POST (Power On Self Text), the Setup Utility will switch to diagnostic mode and will either: • Displays a POST error message, or • Emits a series of beep codes POST Error Messages POST error messages tell users what failure the system has detected. Some error messages could be related to a...
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58 Acer Aspire 4732Z/4332 Service Guide Power-on indicator turns off and LCD is blank.•Power source (battery pack and power adapter.) See “Power System Check” section on page 64. •Make sure all connectors are connected tightly and correctly. •Reinstall the DIMM. •Mainboard Power-on indicator turns on and LCD is blank. •Power source (battery pack and power adapter.) See “Power System Check” section on page 64. •Reconnect the LCD cable •Hard disk drive •LCD panel •Mainboard Power-on indicator turns on...
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Acer Aspire 4732Z/4332 Service Guide 59 POST Beep Codes When no POST error message is displayed but the computer stops during POST, listen for beep codes. CodeBeepsPOST Routine Description 02hVerify Real Mode 03hDisable Non-Maskable Interrupt (NMI) 04hGet CPU type 06hInitialize system hardware 08hInitialize chipset with initial POST values 09hSet IN POST flag 0AhInitialize CPU registers 0BhEnable CPU cache 0ChInitialize caches to initial POST values 0EhInitialize I/O component 0FhInitialize the local...
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60 Acer Aspire 4732Z/4332 Service Guide 45hPOST device initialization 46h2-1-2-3Check ROM copyright notice 48hCheck video configuration against CMOS 49hInitialize PCI bus and devices 4AhInitialize all video adapters in system 4BhQuietBoot start (optional) 4ChShadow video BIOS ROM 4EhDisplay BIOS copyright notice 50hDisplay CPU type and speed 51hInitialize EISA board 52hTest keyboard 54hSet key click if enabled 58h2-2-3-1Test for unexpected interrupts 59hInitialize POST display service 5AhDisplay prompt...
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Acer Aspire 4732Z/4332 Service Guide 61 8AhInitialize Extended BIOS Data Area 8BhTest and initialize PS/2 mouse 8ChInitialize floppy controller 8FhDetermine number of ATA drives (optional) 90hInitialize hard-disk controllers 91hInitialize local-bus hard-disk controllers 92hJump to UserPatch2 93hBuild MPTABLE for multi-processor boards 95hInstall CD-ROM for boot 96hClear huge ES segment register 97hFixup Multiprocessor table 98h1-2Search for option ROMs. One long, two short beeps on checksum failure....
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62 Acer Aspire 4732Z/4332 Service Guide BIOS Beep Codes for Boot Block in Flash ROM CodeBeepsFor Boot Block in Flash ROM E0hInitialize the chipset E1hInitialize the bridge E2hInitialize the CPU E3hInitialize the system timer E4hInitialize system I/O E5hCheck force recovery boot E6hChecksum BIOS ROM E7hGo to BIOS E8hSet Huge Segment E9hInitialize Multiprocessor EAhInitialize OEM special code EBhInitialize PIC and DMA EChInitialize Memory type EDhInitialize Memory size EEhShadow Boot Block EFhSystem...