Acer Power FH Aspire T690/Power FH Service Guide
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- Acer Power FH | Aspire T690/Power FH Service Guide - Page 1
Aspire T690 AcerPower FH/SK50 Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN - Acer Power FH | Aspire T690/Power FH Service Guide - Page 2
Revision History Please refer to the table below for the updates made on Aspire T690 and AcerPower FH/SK50 service guide. Date Chapter Updates II - Acer Power FH | Aspire T690/Power FH Service Guide - Page 3
system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice - Acer Power FH | Aspire T690/Power FH Service Guide - Page 4
Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not - Acer Power FH | Aspire T690/Power FH Service Guide - Page 5
it will not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and - Acer Power FH | Aspire T690/Power FH Service Guide - Page 6
6 Aspire T690 Front Panel 7 Aspire T690 Rear Panel 8 AcerPower FH Front Panel 9 AcerPower FH Rear Panel 10 System Peripherals 11 Acer eRecovery 13 Acer disc-to-disc recovery 15 Hardware Specifications and Configurations 16 Power Management Function (ACPI support function) . . . . 21 Chapter2 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 7
775/Smithfield/Cedar Mill/Presler/Conroe FSB 533/800 Chipset T Intel 946GZ+ICH7 PCB T T Form Factor : Mirco ATX Size (Max.) : 244mm x 244mm Memory T Memory Type : DDRII unbuffered SDRAM module support T No. of Channel (Dual/Signal) : Dual channel should be enabled always when plug-in 2 same - Acer Power FH | Aspire T690/Power FH Service Guide - Page 8
ALC888(co-lay with ALC883) Support SPDIF out/in Audio Connectors/Headers: T Rear 6 jack follow HD audio definition T Microphone In T Headphone Out T S/PDIF header T CD-In T AUX-In LAN T T Type : Realtek 8100C Gigabit Ethernet controller Supports 10/100/1000MB Ethernet environment IEEE 1394 T IEEE - Acer Power FH | Aspire T690/Power FH Service Guide - Page 9
pin connectors. T 1 2*5 pin Intel FPIO spec. microphone in/headphone out connector T 1 2*5 pin serial port connector T 1 CD-IN 4pin connector (CD-ROM Audio Input) T 1 S/PDIF out 4pin jumper T 1 4pin CPU Fan connector T 1 3pin system fan connector with 3pin system fan co-lay T 1 24pin ATX interface - Acer Power FH | Aspire T690/Power FH Service Guide - Page 10
17 AUDIO2 4 Description LGA775 socket for Intel CoreTM2 Duo/Pentium D/Pentium 4/Celeron D CPUs CPU cooling fan connector DDR2 240 pin SDRAM slots Floppy diskette drive connector Standard 24pin ATX power connector Primary IDE channel BIOS flash protect jumper Serial ATA connectors Jumper Jumper - Acer Power FH | Aspire T690/Power FH Service Guide - Page 11
No. Name 18 CD_IN1 19 PCI1~2 20 PCIEX1 21 PCIEX16 22 SYS_FAN1 23 R_USB 24 ATX12V1 Description Analog audio input connector 32 bit add-on card slot PCI Express x1 slot PCI Express x16 slot System fan connector Front Panel USB header Auxiliary 4pin power connector Chapter 1 5 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 12
USB V2.0 USBLAN 8 ports Up to Ultra ATA/100 IDE1 40pin Two IDE Channel Audio Codec ALC888 AC' 97 & Lan I/F SATA1 7Pin SATA2 7pin SATA3 7Pin BW : 150MB/s SATA4 7pin intel FWH 32pin PLCC BW : 2GB/s (Support Lsoch) INTEL ICH7 609pin EBGA BW : 133MB/s @Freq : 33MHz LPC bus ITE 8718 Super - Acer Power FH | Aspire T690/Power FH Service Guide - Page 13
Aspire T690 Front Panel The computer's front panel consists of the following: Description Label No. Description Description 1 Optical drive 2 Floppy disk drive 3 Power button 4 Speaker or headphone jack 5 Microphone jack 6 USB ports Chapter 1 7 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 14
1 Power cord socket 3 Fan aperture 5 PS/2 mouse connector 7 Printer connector 9 USB 2.0 ports 11 Microphone jack 13 Line-in jack No. Description No. Description 2 Voltage selector switch 4 PS/2 keyboard connector 6 Serial port 8 Monitor connector 10 RJ-45 Ethernet connector - Acer Power FH | Aspire T690/Power FH Service Guide - Page 15
AcerPower FH Front Panel 5 4 3 8 2 7 6 1 Label 1 2 3 4 5 6 7 8 Description Power-Button USB ports Microphone-in & Speaker-out/Line-out Port Optical drive eject button Optical drive Indicators Card reader HDD Chapter 1 9 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 16
1 Power cord socket 3 Fan aperture 5 PS/2 mouse connector 7 Printer connector 9 USB 2.0 ports 11 Microphone jack 13 Line-in jack No. NoD.escription Description 2 Voltage selector switch 4 PS/2 keyboard connector 6 Serial port 8 Monitor connector 10 RJ-45 Ethernet connector - Acer Power FH | Aspire T690/Power FH Service Guide - Page 17
System Peripherals The Aspire S Series computer consist of the system itself, and system peripherals, like a mouse, keyboard and a set of speakers (optional). This section provides a brief description of the basic system - Acer Power FH | Aspire T690/Power FH Service Guide - Page 18
systems bundled with speaNkoetres:, before powering on the system, connect the speaker cable to the audio out (external speaker) port on the back panel of the system. For more detailed information about the speakers, please refer to the included operating instructions. NOTE: speakers are optional - Acer Power FH | Aspire T690/Power FH Service Guide - Page 19
to Windows XP. 2. Press + to open the Acer eRecovery utility. 3. Enter the password to proceed. The default password is six zeros. 4. In the Acer eRecovery window, select Recovery actions and click Next. 5. Select the desired restore action and follow the onscreen instructions to complete - Acer Power FH | Aspire T690/Power FH Service Guide - Page 20
The default password is six zeros. 4. In the Acer eRecovery window, select Recovery actions and click Next. 5. In the Recovery settings window, select Reinstall applications/drivers and click Next. 6. Select the desired driver/application and follow the instructions on screen to re-install. At first - Acer Power FH | Aspire T690/Power FH Service Guide - Page 21
continue. 5. The Acer Recovery main page appears. 6. Use the arrow keys to scroll through the items (operating system versions) and press to select. Multilingual operating system installation Follow the instructions to choose the operating system and language you prefer when you first power - Acer Power FH | Aspire T690/Power FH Service Guide - Page 22
/upgraded by using the flash utility. BIOS Hotkey List Delete Hotkey Function Enter BIOS Setup Utility Description Press while the system is booting to enter BIOS Setup Utility. Main Board Major Chips Item NorthBridge SourthBridge AGP controller Super I/O controller Audio controller LAN - Acer Power FH | Aspire T690/Power FH Service Guide - Page 23
RAM speed One-half the processor core clock frequency L2 Cache function control Enable/Disable by BIOS Setup L2 Cache scheme Fixed in write-back Video Interface Item Video controller Video controller resident bus Video Interface AGP Slot Intel ICH7 PCIE x16 1 Specification Audio Interface - Acer Power FH | Aspire T690/Power FH Service Guide - Page 24
Item IDE controller IDE controller resident bus Number of IDE channel Support IDE interface Support bootable CD-ROM Specification Stereo support up to 24 bit Sound Blaster Pro/16 compatible Mixed digital and analog high performance chip Enhanced stereo full duplex operation High performance audio - Acer Power FH | Aspire T690/Power FH Service Guide - Page 25
BIOS Setup Serial Port Item Serial port controller Serial port controller resident bus Number of serial port 16550 UART support hour per axis in all 3 axes Power Management Devices Power Button S1 (Idle) Enabled S3 (Suspend to RAM) Enabled S4 (Suspend to DIsk) Enabled S5 (Shut Down) - Acer Power FH | Aspire T690/Power FH Service Guide - Page 26
Power Management Devices USB Keyboard LAN RTC Modem (Ring) S1 (Idle) Enabled Disabled Disabled Disabled S3 (Suspend to RAM) Enabled Disabled Enabled Disabled S4 (Suspend to DIsk) Disabled Disabled Disabled Disabled S5 (Shut Down) N/A Disabled Disabled N/A 20 Chapter 1 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 27
control the VESA DPMS monitor. T Resume method: device activated (Keyboard for DOS, keyboard & mouse for Windows). T Resume recovery time: 3-5 sec. Global Standby Mode T Global power state support. T On board device power management support. T On board device configuration support. Chapter 1 21 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 28
2 System Utilities About the Setup Utility The computer uses the latest Award BIOS with support for Windows Plug and Play. The CMOS chip on the main board contains the ROM setup instructions for configuring the main board BIOS. The BIOS Setup Utility displays the system's configuration status and - Acer Power FH | Aspire T690/Power FH Service Guide - Page 29
Entering the Setup Utility When you power on the system, BIOS enters the Power-On Self-Test (POST) routines. POST is a series of built-in diagnostics performed by the BIOS. After the POST routines are completed, the following message appears: Press DEL to enter SETUP Press the delete key to have - Acer Power FH | Aspire T690/Power FH Service Guide - Page 30
basic information about the system. Phoenix-AwardBIOS CMOS Setup Utility Product Information Product Name System S/N Main Board ID Main Board S/N System BIOS Version SMBIOS Version BIOS Release Date AST690/APFH/APSK50 R01-A0 E946GZ R01-A0 2.3 Jul 27, 2006 Item Help Menu Level f mnlk: Move Enter - Acer Power FH | Aspire T690/Power FH Service Guide - Page 31
Memory 640K 65535K 1024K mnlk: Move Enter: Select +/-/PU/PD:Value F10:Save ESC:Exit F1: General Help F5:Previous Values F7:Optimized Defaults T Date and Time: This item shows the current date and time set on the computer. If you are running a Windows OS, these items are automatically updated - Acer Power FH | Aspire T690/Power FH Service Guide - Page 32
the value to Manual and then manually configure the drive Auto. T Video (EGA/VGA): This item defines the video mode of the Power-On SelfTest) routine. You can use this item to select which types of errors in the POST are sufficient to halt the system. T Base Memory, Extended Memory, and Total Memory - Acer Power FH | Aspire T690/Power FH Service Guide - Page 33
BIOS Features. Phoenix-AwardBIOS CMOS Setup Utility Advanced BIOS Features f CPU Feature f Hard Disk Boot Priority Virus Warning CPU L1 & L2 Cache Hyper-Threading Technology Quick Power x TM2 Bus VID Limit CPUID MaxVal CPU Enhanced Halt (C1E) Execute Disable Bit [16 Min] [Thermal Monitor 1] 12 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 34
under WinXP, it must be set Disabled. T Execute Disable Bit (Enabled): This item is a security feature that helps you protect your CPU and operating system against malicious software executing code. This item is available when CPU supports the feature. T Hard Disk Boot Priority (Press Enter): Scroll - Acer Power FH | Aspire T690/Power FH Service Guide - Page 35
multi-processing (SMP) for systems, allowing support for up to 60 processors. T MPS Version Control For OS (1.4): This item displays MPS version control for OS. T OS Select For DRAM > 64MB (Non-OS2): This item is only required if you have installed more than 64MB of memory and you are running the OS - Acer Power FH | Aspire T690/Power FH Service Guide - Page 36
CMOS Setup Utility Advanced Chipset Feature System BIOS Cacheable Video BIOS Cacheable Memory Hole At 15M-16M f PCI Express Root Port Func ** VGA Setting ** PEG/Onchip VGA Control On-Chip Frame Buffer Size DVMT Mode DVMT/FIXED Memory Size [Enabled] [Disabled] [Disabled] [Press Enter] [Auto - Acer Power FH | Aspire T690/Power FH Service Guide - Page 37
item allows you to select the PCI-E Compliancy mode. T PEG/Onchip VGA Control (Auto): This item allows you to control the PEG or on-chip VGA. T On-Chip Frame Buffer Size (8MB): This item controls the amount of system memory that is allocated to the integrated graphics processor when the system boots - Acer Power FH | Aspire T690/Power FH Service Guide - Page 38
] Item Help Menu Level ff If your IDE hard drive supports block mode select Enabled for automatic detection of the optimal number of read/writes per sector the drive can support mnlk: Move Enter: Select +/-/PU/PD If your IDE hard drive supports block mode, select Enabled for automatic detection of the - Acer Power FH | Aspire T690/Power FH Service Guide - Page 39
screen. Phoenix-AwardBIOS CMOS Setup Utility Onboard Device USB Controller USB 2.0 Support USB Keyboard Support USB Mouse Support Onboard Audio Device Onboard IEEE1394 Controller Onboard GLAN Device Onboard Lan Boot ROM [Enabled] [Enabled] [Disabled] [Disabled] [Enabled] [Enabled] [Enabled - Acer Power FH | Aspire T690/Power FH Service Guide - Page 40
/PD:Value F10:Save ESC:Exit F1: General Help F5:Previous Values F6:Fail-Safe Defaults F7:Optimized Defaults T Onboard FDC Controller (Enabled): Select Enabled if your system has a floppy disk controller (FDC) installed on the main board. If you install an add-in FDC or the system has no floppy drive - Acer Power FH | Aspire T690/Power FH Service Guide - Page 41
Management Setup This option lets you control system power management. The system has various power-saving modes including powering down the hard disk, turning off the video, suspending on RAM, and software power down that allows the system to be automatically resumed by certain events. Phoenix - Acer Power FH | Aspire T690/Power FH Service Guide - Page 42
the function of waking up the system by the mouse/keyboard activity. T Power on After Power fail (Off): This item enables your computer to automatically restart or return to its last operating status after power returns from a power failure. T Resume by Alarm (Disabled): When it is set to Enabled - Acer Power FH | Aspire T690/Power FH Service Guide - Page 43
This item allows you to choose the primary display card. T Reset Configuration Data (Disabled): If you enable this item and restart the system, any Plug and Play configuration data stored in the BIOS Setup is cleared from memory. T Resources Controlled by (Auto (ESCD)): You should leave this item at - Acer Power FH | Aspire T690/Power FH Service Guide - Page 44
T Smart Fan Control (Enabled): This item enables or disables the Smart fan function, when it is set at certain temperature, the PWN value will reach the certain value accordingly, and we can adjust the CPU fan speed by PWN. T CPU Warning Temperature (70oC/158oF): Enable you to manually set the - Acer Power FH | Aspire T690/Power FH Service Guide - Page 45
The clock speed and system bus are determined by the kind of processor you have installed in your system. Phoenix-AwardBIOS CMOS Setup Utility Frequency Control CPU Clock Ratio [17X] Item Help Menu Level f mnlk: Move Enter: Select +/-/PU/PD:Value F10:Save ESC:Exit F1: General Help F5:Previous - Acer Power FH | Aspire T690/Power FH Service Guide - Page 46
that may be greater than the performance level of the components, such as the CPU and the memory. You can cause fatal errors or instability if you install the optimized defaults when your hardware does not support them. If you only want to install setup defaults for a specific option, select and - Acer Power FH | Aspire T690/Power FH Service Guide - Page 47
Machine Disassembly and Replacement Chapter 3 To disassemble the computer, you need the following tools: T Wrist grounding strap and conductive mat for preventing electrostatic discharge. T Wire cutter. T Phillips screwdriver (may require different size). NOTE: The - Acer Power FH | Aspire T690/Power FH Service Guide - Page 48
General Information Before You Begin Before proceeding with the disassenbly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 42 Chapter 3 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 49
Disassembly Procedure This section tells you how to disassemble the system when you need to perform system service. Please also refer to the disassembly video, if available. CAUTION: Before you proceed, make sure you have turned off the system and all peripherals connected to it. Chapter 3 43 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 50
Aspire T690 Standard Disassembly Process 1. Open the computer. 1-1. Place the system unit on a flat, steady surface. 1-2. Turn the housing down, release the Lock-handle then slide the left side door 2. Disconnect the cables. 2-1. Disconnect the AUDIO cable. - Acer Power FH | Aspire T690/Power FH Service Guide - Page 51
2-2. Disconnect the USB and Front LED ASSY cables. Front LED ASSY cable USB Cable Card-reader Cable 2-3 . Disconnect the PA and PD power-cable from the MB connector. PA power-connector PD power-connector 2-4 . Disconnect the P1 power-cable and ODD data cable from the MB connector. P1 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 52
Process 2-5 . Disconnect FDD data cable from the MB connector. FDD data cable 2-6 . Disconnect the ODD data cable and power-cable from the rear of ODD. ODD data cable ODD power-cable 2-7 . Disconnect the FDD data cable and power-cable from the rear of FDD. FDD power-cable FDD data cable - Acer Power FH | Aspire T690/Power FH Service Guide - Page 53
Standard Disassembly Process 2-8 . Disconnect the HDD data cable and power-cable from the rear of HDD and MB. HDD data Cable HDD power-cable 3. Detach the HDD, FDD and ODD. 3-1. Rail the HDD-holder shown bellow, then take the HDD out from the chassis. - Acer Power FH | Aspire T690/Power FH Service Guide - Page 54
Standard Disassembly Process 3-2. Release the three latches on the front bezel, then remove the front bezel. 3-3. Rail the ODD-holder shown bellow, then take the ODD out from the chassis. 3-4. Rail the FDD-holder shown bellow, then take the FDD out from the chassis. - Acer Power FH | Aspire T690/Power FH Service Guide - Page 55
Process 3-5. Rail the Holder shown bellow, then take the Card-reader out from the chassis. 4. Detach the USB Module. Release the screw shown bellow, then take off the USB module together with the USB&Audio cable. 5. Detach the CPU Cooler. 5-1. Disconnect the CPU Cooler power-cable shown bellow. - Acer Power FH | Aspire T690/Power FH Service Guide - Page 56
Standard Disassembly Process 5-2. Release the CPU Cooler Latch then remove it. Before revolve the Latch Pull the Latch afterward After revolve the Latch 6. Remve the Memory. Release the two latch shown bellow then remove the Memory. - Acer Power FH | Aspire T690/Power FH Service Guide - Page 57
Standard Disassembly Process 7. Remve the System Fan. Release the four screws shown bellow then take off the fan. 8. Remove the Motherboard. Release the eight screws shown bellow then take off the MB. 9. Remove the Power-supply. Release the four screws shown bellow then take off the Power-supply. - Acer Power FH | Aspire T690/Power FH Service Guide - Page 58
Standard Disassembly Process 10. Remove the CPU. Release the CPU Latch on the Socket then remove the CPU. - Acer Power FH | Aspire T690/Power FH Service Guide - Page 59
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Troubleshooting Chapter 4 Please refer to generic troubleshooting guide for trougleshooting information relating to following topics: T Power-On Self-Test (POST) T POST Check Points T POST Error Messages List T Error Symptoms List Chapter 4 64 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 68
Main Board Placement Chapter 5 # Label 1 CPU Socket 3 DIMM1~2 Description LGA775 socket for Intel CoreTM Duo / Pentium D / Pentium 4 / Celeron D CPUs DDR2 240 pin SDRAM slots # Label 2 CPU_FAN1 4 FDD1 Description CPU cooling fan connector Floppy diskette drive connector Chapter 5 65 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 69
13 USB3~4 15 COM2 17 AUDIO2 19 PCI1~2 21 PCIEX16 23 R_USB Description Standard 24-pin ATX power connector BIOS flash protect jumper TBD Front Panel switch/LED header Front Panel USB headers Onboard Serial port header Front Panel Audio header 32-bit add-on card slots PCI Express x16 slot Front Panel - Acer Power FH | Aspire T690/Power FH Service Guide - Page 70
Jumper Setting This section explains how to set jumpers for correct configuration of the main board. Setting Jumper Use the main board jumpers to set system configuration options. Jumpers with more than one pin are numbered. When setting the jumpers, ensure that the jumper caps are placed on the - Acer Power FH | Aspire T690/Power FH Service Guide - Page 71
Checking Jumper Settings Jumper CLR_CMOS1 Type 3-pin BIOS_WP 3-pin Description CLEAR CMOS BIOS PROTECT Setting(Default) 1-2 : Normal 2-3 : Clear CMOS Before clearing the CMOS,make sure you have turned off the system. 1-2: Write 2-3: PROTECT Illustration 1 1 68 Chapter 5 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 72
Connect the auxiliary case power supply connector to ATX12V1. CPU_FAN1: CPU Fan Connector Pin Signal Name Function 1 GND System Ground 2 +12V Power +12V 3 Sense Sensor 4 Control CPU FAN control NOTE: Please note that the fan connector supports the CPU cooling fan of 1.1A ~ 2.2A (26 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 73
SYS_FAN1: System Cooling Fan Connector Pin Signal Name Function 2 +12V Power +12V 3 Sense Sensor ATX1: ATX 24-pin Power Connector Pin Signal Name Pin 1 +3.3V 13 2 +3.3V 14 3 Ground 15 4 +5V 16 5 Ground 17 6 +5V 18 7 Ground 19 8 PWRGD 20 9 +5VSB 21 10 +12V - Acer Power FH | Aspire T690/Power FH Service Guide - Page 74
Connecting the Optional Devices COM2: Onboard serial port header Pin Signal Name Function 1 DCDB Data Carrier Detect 2 SINB Serial Input 3 SOUTB UART B Serial Output 4 DTRB UART B Data Terminal Ready 5 GND Ground 6 DSRB Data Set Ready 7 RTSB RART B Request to Send 8 CTSB - Acer Power FH | Aspire T690/Power FH Service Guide - Page 75
AUDIO2: Front Panel Audio Header Pin Signal Name 1 PORT 1L 2 GND 3 PORT 1R 4 PRESENCE# 5 PORT 2R Panel USB headers Pin Signal Name Function 1 USBPWR0 2 USBPWR1 Front panel USB power Front panel USB power 3 USB_FP_P0- USB port 0 negative signal 4 USB_FP_P1- USB port 1 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 76
LAN port to connect your computer to the network. T 1394a Port (optional): Use the 1394a port to connect any fireware device. T USB Ports: Use the USB ports to connect USB devices. T Audio Ports: Use the audio jacks to connect audio This main board supports 8-channel audio devices that correspond to - Acer Power FH | Aspire T690/Power FH Service Guide - Page 77
74 Chapter 5 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 78
FRU (Field Replaceable Unit) listing in global configurations of Aspire T690 and AcerPower FH_SK50. Refer to this chapter whenever Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide - Acer Power FH | Aspire T690/Power FH Service Guide - Page 79
Exploded Diagram Item 1 2 3 4 5 6 7 8 Right cover Power supply Top cover Optical drive FDD Front bezel 3.5" cover 5.25" cover Description 75 Chapter 6 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 80
Item 9 10 11 12 13 14 15 USB BKT USB board Left cover Motherboard CHASSIS Fan Rear IO Description Chapter 6 76 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 81
FRU List The FRU list will be updated later. 77 Chapter 6 - Acer Power FH | Aspire T690/Power FH Service Guide - Page 82
Chapter 6 78