Acer Travelmate 4050 Service Guide
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4Chapter 1 System Block Diagram LPC BUSClock Generator PCI BUSMobile Dothan/Banias SIO LPC47N217 DDR-SO-DIMM X2BANK 0, 1, 2, 3page 10,11,12 USB conn PARALLEL Thermal SensorADM1032 page 4 FIR HUB-Link Legacy I/O Option USBx3USB port 0, 2, 4 AMP& Phone Jack page 32ALC250AC97 Codec USB port 1 MBC Conn. Power Circuit DC/DC page 36,37,38,39,40,41,42,43 page 27 page 30 page 28 RTL 8100CLVIA VT6301S page 22 CardBusLAN 1394 Connector 1394 Controller page 20ENE CB1410 RJ45 page 23Slot 0page 21 page 22 MINI PCI I/F LED INDICATEBGA-421 uFCBGA-732 pin 478 pin System BusFan Controlpage 31 page 34 DC/DC Interface Suspend ICH4-M BIOS Int.KBDTouch Pad page 28EC I/O Buffer TV Encoder page 18 LPC to X-BUS & KBC uFCBGA/uFCPGA CPU Memory BUS(DDR) 400MHz 3.3V 33MHz2.5V 266MHz/333MHz 3.3V 48MHz 3.3V 24.576MHz 3.3V ATA100 3.3V 33MHz page 14,15,16 HDD page 17 CH7011TV-Out Conn.page 18 DVO AC-LINK Montara 855GME page 33 CDROM page 30 ENE KB910 page 29Power On/Off Reset & RTC page 31page 17 page 23 page 24page 25 page 26 page 26 page 4,5 page 19page 13 page 6,7,8,9 LVDS & CRT Connector ICS950810CG page 28 HD#(0..63) HA#(3..31) page 31 (Optional) (Optional)(Optional) (Optional)
Chapter 15 Mainboard Placement Top View ItemDescriptionItemDescription JP1 CRT CONN JP17 ODD CONN JP2 Parallel Port JP18 SPK CONN JP3 IEEE1394 CONN JP19 TP/B CONN JP4 TV-OUT CONN JP20 MIC JACK JP5 RJ11/RJ45 CONN JP22 K/B CONN JP6 USB CONN X 2 JP23 PHONE JACK JP7 CPU FAN CONN JP16 HDD CONN JP8 USB CONN SW1 LID SWITCH JP9 POWER/B CONN SW3 KILL SWITCH JP10 LVDS CONN U12 NB JP11 MBC CONN PCN1 AC JACK JP12 CPU Socket PJP9 BATT COMM JP13 MINIPCI CONN JP24 LED/B CONN JP15 CraBus CONN
6Chapter 1 Bottom View ItemDescriptionItemDescription JP25 SO-DIMM Socket U45 SIO Controller JP26 SO-DIMM Socket U29 IEEE1394 Controller U35 CarBus Controller U37 EC
Chapter 17 Outlook View A general introduction of ports allow you to connect peripheral devices, as you would with a desktop PC. Front Open View #ItemDescription 1 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. 2 Power button Turns on the computer. 3 Launch keys Two special keys for frequently used programs. 4 Keyboard Inputs data into your computer. 5 Palmrest Comfortable support area for your hands when you use the computer. 6 Click buttons (left and right)The left and right buttons function like the left and right mouse buttons. 7 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 8 Status indicators Llight-Emitting Diodes (LEDs) that turn on and off to show the status of the computer, its functions and components.
8Chapter 1 Front View #ItemDescription 1 Optical drive Internal optical drive; accepts CDs or DVDs depending on the optical drive type. 2 Optical drive eject buttonEjects the optical drive tray from the drive. 3 Emergency eject hole Ejects the optical drive tray when the computer is turned off. See page 56 for more details. 4 Latch Latch for opening and closing the computer. 5 Power indicator Lights when the computer is on. 6 Battery indicator Lights when the battery is being charged. 7 Wireless / Bluetooth ® communicationsLights to indicate the status of Wireless LAN (optional) / BluetoothR (optional) communications. 1.Orange indicates that wireless LAN is enabled. 2.Blue indicates that Bluetooth ® is enabled. 3.Purple indicates that wireless LAN & Bluetooth ® are enabled.
Chapter 19 Left View #ItemDescription 1 One USB 2.0 port Connects to Universal Serial Bus devices (e.g., USB mouse, USB camera). 2 Infrared port Interfaces with infrared devices (e.g., infrared printer, IR- aware computer). 3 PC Card slot Accepts one Type II 16-bit PC Card or 32-bit CardBus PC Card. 4 PC Card eject button Ejects the PC Card from the slot. 5 Microphone/line-in jackAccepts input from external microphones, or other audio line-in devices (e.g. audio CD player, stereo walkman and etc.) 6 Headphone/ Speaker/ Line-out jackConnects to headphones or other line-out audio devices (speakers). 7 Wireless / Bluetooth Communication switch Enables and disables Wireless / Bluetooth ® communication devices. (optional)
10Chapter 1 Right View #ItemDescription 1 Stereo speaker Outputs sound 2 HDD Houses the computers hard disk 3 DC-in jack Connects the AC adapter 4 Ventilation Slot Enables the computer to stay cool, even afterprolonged use.
Chapter 111 Rear View #ItemDescription 1 Security keylock Connects to a Kensington-compatible computer security lock 2 Parallel port Connects to a parallel device (e.g., parallel printer) 3 External display port Connects to a display device (e.g., external monitor, LCD projector) and displays up to16.7 million colors and up to 1600x1200 at 85 Hz and 2048x1536 at 75 Hz resolution. 4 Two USB 2.0 ports Connects to Universal Serial Bus devices (e.g.,USB mouse, USB camera) 5 Modem port Connects to a phone line 6 Ethernet port Connects to an Ethernet 10/100-based network 7 S-video (manufacturingoption)Connects to a television or display device with S-video input 8 IEEE 1394 port Connects to IEEE 1394 devices
12Chapter 1 Bottom View #ItemDescription 1 Optical drive Internal optical drive; accepts CDs or DVDs depending on the optical drive type 2 Memory compartment Houses the computers main memory 3 Hard disk bay Houses the computers hard disk (secured by a screw) 4 Battery compartment release latchUnlatches the battery to remove the battery compartment 5 Battery bay Houses the computers battery pack
Chapter 113 Indicators The computer has six easy-to-read status icons below the display screen. The status LCD displays icons that show the status of the computer and its components. IconFunctionDescription HDD Lights when Hard Disk Drive is activated. ODD Lights when Optical Disk Drive is activated. Scroll lock Lights when Scroll Lock is activated. Caps lock Lights when Caps Lock is activated. Pad lock (cursor) Lights when Pad lock is activated. Num lock Lights when Num Lock is activated. Power Indicator Lights when the computer is on Battery Lights green. Flashes when the battery is being charged or low capacity. Wireless CommunicationsLights to indicate the status of Wireless LAN(optional) communications Icon Function Description Icon Function Description Charging Low capacity (about 10%) Critically low capacity (about 3%) Fully charged Icon Function Description Charging Low capacity (about 10%) Critically low capacity (about 3%) Fully charged Icon Function Description