Field Replaceable Units FRUs

Lcd Panel Disassembly

Note For FRU removal replacement procedures, refer to Chapter 6 of this manual. As shown in Figure A-1, all members of the Extensa 67x Series Notebook Computers contain two major assemblies Figure A-1 Extensa 67x Series Assemblies The Cover-Display Assembly shown in Figure A-2, contains the LCD screen, DC-AC Inverter Board Logic, DC-DC Inverter Board Logic, bezel LCD cover and various other components as listed in Table A-1. Display Assembly Shown with Bezel Removed Table A-1 Top Cover Assembly...

Related product information

Extensa 670 User's Manual contains system description and general operating instructions. ALi M1521 M1523 Chipset Data Sheets contain information on the system core chips . C amp T 65550 Data Sheet contains detailed information on the VGA controller. ALi M6377 Chipset Data Sheet contains detailed information on the power management controller. ES1878 Data Sheet contains detailed information on the audio controller. NS87336VJG Data Sheet contains detailed information on the super I O controller....

Controls Indicators

The operating controls and indicators for the 67x Series Notebooks are identical refer to Figure 3- The operating controls and indicators for the 67x Series Notebooks are identical refer to Figure 3- The notebook contains an alternate action power button located on the right side of the notebook as shown in Figure 3-1. On the first button depression, power is turned on to the notebook. On the second depression, power is turned off. The notebook contains four front indicator LEDs and two right...

Installing an External Serial Port Device

Acer 7720g Rs232

The notebook contains an external RS-232 serial port with a 9-pin, male DB-9 connector as shown in Figure 2-5 25-pin cables require the use of an adapter for use with the 9-pin port . The serial ports are used to interconnect such devices as Any device that uses an RS-232 interface Caution Never connect a parallel device to a serial port or a serial device to a parallel port or video port this may cause damage to the notebook and or external device. If you are uncertain of what type connector...

Installing an External Parallel Printer or Floppy Drive

Port Floppy Disk

The Notebook is equipped with an external, bidirectional, ECC EPP compatible, 25-pin parallel printer port. The connector pinouts and connector location are shown in Figure 2-4. When used with a special cable, an external floppy disk drive may also be attached to the notebook via the parallel port. When a floppy disk drive is connected to the parallel port, the floppy disk drive in the Modular Bay is disabled, if present.

Power On Self Test

The Extensa line of notebook computers contain a BIOS-resident, Power On Self Test POST that automatically performs a test of memory and all major circuits each time the computer is powered up. In the event of a failure, the computer displays a descriptive error message and issues a series of coded beeps in case the display subsystem is not functioning . If self test completes normally, the computer displays the amount of memory tested, loads the Operating System and Windows environment....

M Block Diagram

Figure 4-3 M1523 Chip Simplified Block Diagram ' Q fc S S z Q i_j i_11_11_11_ i_11_11_i I__J LU oiuuuuuuuuujll UJHIU lt QJ n IRQ12 - g MSCLK KBDATA KBCLK KBCSJ KBINH IRQ1 IDESCS3J IDESCS1J IDEPCS3J IDEPCS1J IDE_A0 IDE_A2 IDE_A1 IDAKJ1 IDAKJ0 IDERDY IDEIORJ IDEIOWJ IDRQ1 IDRQ0 IDE_D0 IDE_D15 Vss IDE_D1 IDE_D14 IDE_D2 IDE_D13 IDE_D3 IDE_D12 IDE_D4 IDE_D11 IDE_D5 IDE_D10 IDE_D6 IDE_D9 IDE_D7 VDD IDE_D8 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 CBEJ0 AD8 AD9 AD10 AD11 VDD

Fault Isolation Using Self Test

When the computer is first powered up, it automatically performs a self test of its central hardware and memory functions. During self test which lasts for a few seconds , the display shows copyright and version number information. Note Some procedures in this paragraph require you to use keystroke sequences, such as Ctrl-Alt-Del. To execute a keystroke sequence such as this, you must press all three keys simultaneously. Upon successful completion of the self test, the computer automatically...

Installing an External VGA Monitor

Crt Monitor Pinout

The notebook contains an external CRT port that can drive one of a variety of monitor resolutions and colors as summarized in Table 1-9. The associated connector location and pinouts are shown in Figure 2-6. Use the following procedure to install an external monitor 1. Turn off power to both the notebook and monitor. 2. Connect the 15-pin external VGA cable from the monitor to the VGA connector on the notebook computer refer to Figure 2-6 . 3. Power up the notebook computer first then turn on...

NSVJG Super IO Controller

The PC87336VJG is a single chip solution for most commonly used I O periherals in ISA lt and EISA based comptuers. It incorporates a Floppy Disk Controller FDC , two full featured UARTS, and an IEEE 1284 compatible parallel port Standard PC-AT address decoding for all the peripherals and a set of configuration registers are also implemented in this highly integrated member of the Super I O family. Advanced power management features, mixed voltage operation and integrated Serial-Infrared both...

CT High Performance Flat Panel I Crt Vga Controller

Tft Lcd Vga Controller

The C amp T 65550 of high performance multimedia flat panel CRT GUI accelerators extend CHIPS' offering of high-performance flat panel controllers for full-featured notebooks and sub-notebooks. The C amp T 65550 offers 64-bit high performance and new hardware multimedia support features. Based on a totally new internal architecture, the C amp T65550 integrates a powerful 64-bit graphics accelerator engine for Bit Block Transfer BitBLT , hardware cursor, and other functions intensively used in...

Removing Replacing the Motherboard and Keyboard Connection Board Assemblies

Use the following procedure to remove replace the Motherboard Assembly 1. Remove the Top Cover and Fan Assemblies as described in Paragraphs 6.5.10. 2. Unplug the Battery Board, LED Board Connector as described in paragraph 6.5.12. 4. Refer to Paragraph 6.5.16 and remove the Charger Board 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...

Hot Key Sequences

Table 3-2 contains a summary of hot key sequences useful when performing maintenance operations. Table 3-2 Summary of Notebook Hot Key Sequences Table 3-2 Summary of Notebook Hot Key Sequences Alternate between display modes LCD, Ext.l CRT or both Send the contents of the screen to the printer Table 3-2 Summary of Notebook Hot Key Sequences Table 3-2 Summary of Notebook Hot Key Sequences Sets the notebook to echo keystrokes to the printer prints a line when you press Enter continues until you...

FRU Removal Replacement Procedures

Slide Hinge

The following paragraphs contain field service-level removal replacement procedures for the 67x Series Notebook Computers. Most FRU removal replacement procedures involve connecting and disconnecting cable connectors. The Extensa series uses two types of connectors including Locking-type connectors - use a plastic stick to unlock and lock these type of connectors as shown in Figure 6-1. Figure 6-1 Removing Installing Cables with Locking-Type Connectors Figure 6-1 Removing Installing Cables with...