MiTAC 8050D Service Manual
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MiTAC 8050D Service Manual

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SERVICE MANUAL FOR
SERVICE MANUAL FOR
SERVICE MANUAL FOR
Repair Technology Research Department /EDVD
Repair Technology Research Department /EDVD
8050D
8050D
8050D
8050D
8050D
8050D
8050D
8050D
8050D
8050D
8050D
8050D
BY:
Grass
Grass
.Ren
.Ren
Mar.2004

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  • Page 1 SERVICE MANUAL FOR SERVICE MANUAL FOR SERVICE MANUAL FOR 8050D 8050D 8050D 8050D 8050D 8050D 8050D 8050D 8050D 8050D 8050D 8050D Grass Grass .Ren .Ren Repair Technology Research Department /EDVD Repair Technology Research Department /EDVD Mar.2004...

  • Page 2: Table Of Contents

    8050 D N/B Maintenance 8050 D N/B Maintenance Contents 1. Hardware Engineering Specification …………………………………………………………… …….. ……………………………………………………………………………………………… 1.1 Introduce ………………………………………………………………………………………. 1.2 System Overview ………………………………………………………………………………… 1.3 System Hardware Parts …………………………………………………………………………………….…. 1.4 Other Functions ……………………………………………………………………………………. 1.5 Power Management 2. System View & Disassembly ………………………………………………………………………….. …………………………………………………………………………………………..
  • Page 3 8050 D N/B Maintenance 8050 D N/B Maintenance Contents 8. Trouble Shooting ……………………………………………………………………………………..…. ………………………………………………………………………………………………. 8.1 No Power …………………………………………………………………………….. 8.2 Battery Can not Be Charged ………………………………… …………………………………………………………... 8.3 No Display ……………………………………………………………………………. 8.4 External Monitor No Display …………………………………………………………………………………….. 8.5 Memory Test Error ………………………………………………………………………...

  • Page 4: Hardware Engineering Specification

    1. Engineer Hardware Specification 1.1 Introduce The MiTAC 8050D model is designed for Intel Banias processor with 400MHz FSB with Micro-FCPGA package. It can support Banias 1.5G ~ 1.9GHz/Dothan 2.0GHz and above. This system is based on PCI architecture and is fully compatible with IBM PC/AT specification, which has standard hardware peripheral interface.
  • Page 5 8050 D N/B Maintenance 8050 D N/B Maintenance The MOBILITY M10 provides one of the fastest and most advanced 2D, 3D, and multimedia graphics performance for notebooks. It’s architecture introduces the latest achievements in the graphics industry, which enable the use of the progressive new features in upcoming applications, but without compromising performance. ATIs support of support of DirectX®...
  • Page 6 8050 D N/B Maintenance 8050 D N/B Maintenance transmits data to a TV output (analog composite, s-video or RGB). The device accepts data over one 12-bit wide variable voltage data port which supports five different data format including RGB and YcrCb. The TV-Out processor will perform non-interlace to interlace conversion with scaling and flicker filters, and encode the data into any of the NTSC or PAL video standards.

  • Page 7: System Overview

    8050 D N/B Maintenance 8050 D N/B Maintenance 1.2 System Overview Mobile Pentium-M Processor 1.5G ~ 1.9GHz/Dothan 2.0GHz and above Thermal spec 35W TDP Core logic Intel 855GME + ICH4-M chipset VGA Control ATi M10 System BIOS ST39SF040 Memory DDR RAM : Apacer : 77.11021.460 Samsung 16*16 256MB 1st Apacer : 77.11021.580 Winbond 16*16 256MB 2nd A-DATA : 256MB Video Memory...

  • Page 8: System Hardware Parts

    8050 D N/B Maintenance 8050 D N/B Maintenance 1.3 System Hardware Parts 1.3.1 Intel Banias Processors in Micro-FCPGA Package Intel Banias Processors with 478 pins Micro-FCPGA package. The first Intel mobile processor with the Intel Net Burst micro-architecture which features include hyper-pipelined technology, a rapid execution engine, a 400MHz system, an execution trace cache, advanced dynamic execution, advanced transfer cache, enhanced floating point and multi-media unit, and Streaming SIMD Extensions 2 (SSE2).
  • Page 9 8050 D N/B Maintenance 8050 D N/B Maintenance system malfunctions. Programmable watchdog safe frequency. Support I2C Index read/write and block read/write operations. Use external 14.318MHz crystal. Provides standard frequencies and additional 5% and 10% over-clocked frequencies Supports spread spectrum modulation: No spread, Center Spread (±0.35%, ±0.5%,or ±0.75%), or Down Spread (- 0.5%, -1.0%, or -1.5%) Offers adjustable PCI early clock via latch inputs Selectable 1X or 2X strength for REF via I2C interface...
  • Page 10 8050 D N/B Maintenance 8050 D N/B Maintenance -Order-Queue to support maximum outstanding transactions up to 12. It integrated a high performance 2D/3D Graphic Engine, Video Accelerator and Advanced Hardware Acceleration MPEGI/MPEGII Video Decoder for the Intel Banias series based PC systems. It also integrates a high performance 2.1GB/s DDR266 Memory controller to sustain the bandwidth demand from the integrated GUI or external AGP master, host processor, as well as the multi I/O masters.
  • Page 11 8050 D N/B Maintenance 8050 D N/B Maintenance Features Processor/Host Bus Support Intel® Banias processor 2X Address, 4X data Support host bus Dynamic Bus Inversion (DBI) Supports system bus at 400MT/s (100 MHz) Supports 64-bit host bus addressing 8-deep In-Order-Queue AGTL+ bus driver technology with integrated GTL termination resistors and low voltage operation (1.05V) Supports Enhanced Intel®...
  • Page 12 8050 D N/B Maintenance 8050 D N/B Maintenance 16 devices. All supported devices have 4 banks. Supports up to 16 simultaneous open pages. Supports page sizes of 2KB, 4KB, 8KB, and 16KB. Page size is individually selected for every row. UMA support only.
  • Page 13 8050 D N/B Maintenance 8050 D N/B Maintenance Video Overlay Single high quality scalable overlay and second Sprite to support second overlay Multiple overay functionality provided via Arithmetic Stretch Blt Direct YUV from Overlay to TV-out Independent Gamma Correction Independent Brightness / Contrast / Saturation Independent Tint / Hue support Destination Color keying Source Chromakeying...
  • Page 14 8050 D N/B Maintenance 8050 D N/B Maintenance each display device DVO (DVOB) support Digital video out port DVOB with 165-MHz dot clock on 12-bit interface Variety of DVO devices channel Compliant with DVI Specification 1.0, thereby providing support for a flat panel up to 2048x1536 pixel resolution, or digital CRT up to 1920x1080 pixel resolution 1.3.4 I/O Controller Hub : INTEL 82801DBM The INTEL 82801DBM ICH4-M integrates three Universal Serial Bus 2.0 Host Controllers, the Audio Controller...
  • Page 15 8254 compatible programmable 16-bit counters channels 5-7, hardwired keyboard controller and PS2 mouse interface(not use in MiTAC 8050 model), Real Time clock with 512Bytes CMOS SRAM and two 82C59 compatible Interrupt controllers. Besides, the I/O APIC managing up to 14 interrupts with both Serial and FSB interrupt delivery modes is supported.
  • Page 16 8050 D N/B Maintenance 8050 D N/B Maintenance The MOBILITY M10 provides one of the fastest and most advanced 2D, 3D, and multimedia graphics performance for notebooks. Its architecture introduces the latest achievements in the graphics industry, which enable the use of the progressive new features in upcoming applications, but without compromising performance. ATI’s support of DirectX®...
  • Page 17 8050 D N/B Maintenance 8050 D N/B Maintenance High Performance Memory Support Incorporates support for DDR SDRAM/SGRAM. Features key items from ATI’s third generation HYPER Z™ III technology that conserves memory bandwidth for improved performance in demanding applications. Dual Display Support Leading-edge technology, fully optimized with HYDRA VISION™, flexibly supports multiple combinations of notebook LCD, traditional CRT monitors, flat panel displays and TV.
  • Page 18 8050 D N/B Maintenance 8050 D N/B Maintenance provides sharper image quality. Integrated general purpose xDCT engine (capable of performing both forward and inverse discrete cosine transform) and motion compensation (MC) support for the acceleration of MPEG encoding and decoding as well as DV (digital video) encoding and decoding.
  • Page 19 8050 D N/B Maintenance 8050 D N/B Maintenance Support CardBay PC card interface Smart Card Interface Compliant with PC/SC Specification 1.0 Support ISO7816 T=0 and T=1 asynchronous communication protocols Two power enable pins to support 5V and 3V smart cards Support programmable card clock frequencies Programmable F and D parameters to support different data rates One traffic LED pin.
  • Page 20 8050 D N/B Maintenance 8050 D N/B Maintenance One power enable pin. Memory Stick Interface Compliant with Memory Stick Standard Format Specification Version 1.3 Has an optional reference clock source to control the operating clock frequency of Memory Stick Up to 2.5MByte/sec Read/Write rate when the optional reference clock source is used Stick interface One Traffic LED pin One power enable pin...
  • Page 21 8050 D N/B Maintenance 8050 D N/B Maintenance Supports socket activity LED Supports 12 GPIOs and GPE# Supports PCI LOCK 1.3.7 AC’97 AUDIO SYSTEM: Advance Logic, Inc, ALC655 The ALC655 is a 16-bit, full duplex AC'97 2.3 compatible six channels audio CODEC designed for PC multimedia systems,including host/soft audio and AMR/CNR based designs.
  • Page 22 8050 D N/B Maintenance 8050 D N/B Maintenance Meets performance requirements for audio on PC99/2001 systems Meets Microsoft WHQL/WLP 2.0 audio requirements 16-bit Stereo full-duplex CODEC with 48KHz sampling rate Compliant with AC’97 2.3 specifications 14.318MHz- 24.576MHz PLL to save crystal 12.288MHz BITCLK input can be consumed Integrated PCBEEP generator to save buzzer Interrupt capability...
  • Page 23 8050 D N/B Maintenance 8050 D N/B Maintenance Supports Power Off CD function Adjustable VREFOUT control Supports double sampling rate (96KHz) of DVD audio playback Support 48KHz of S/PDIF output is compliant with AC’97 rev2.3 specification Power support: Digital: 3.3V; Analog: 3.3V/5V 1.3.8 MDC:PCTEL MODEM DAUGHTER CARD PCT2303W (ASKEY V1456VQL-P1) The PCT2303W chipset is designed to meet the demand of this emerging worldwide AMR/MDC market.
  • Page 24 8050 D N/B Maintenance 8050 D N/B Maintenance 4-wire hybrid. The PCT2303W chip set dramatically reduces the number of discrete components and cost required to achieve compliance with international regulatory requirements. The PCT2303W complies with AC’97 Interface specification Rev. 2.1. The chip set is fully programmable to meet world-wide telephone line interface requirements including those described by CTR21, NET4, JATE, FCC, and various country-specific PTT specifications.
  • Page 25 8050 D N/B Maintenance 8050 D N/B Maintenance High voltage isolation of 4000V Support for “Caller ID” Compliant with FCC Part68, CTR21, Net4 and JATE Low power standby Low profile SOIC package 16 pins 10x3x1.55mm Low power consumption 10mA @ 3.3V operation 1mA @ 3.3V power down Integrated modem codec Standard Features...
  • Page 26 8050 D N/B Maintenance 8050 D N/B Maintenance ITU-T V. 17, V.29, V.27ter, V.21, Channel 2, Group 3, EIA Class I 1.3.9 IEEE1394 VT6307L (Option) 1.3.9.1 Overview The VT6307 IEEE 1394 OHCI Host Controller provides high performance serial connectivity. It implements the Link and Phy layers for IEEE 1394-1995 High Performance Serial Bus specification release 1.0 and 1394a-2000.
  • Page 27 8050 D N/B Maintenance 8050 D N/B Maintenance integrated 2-port PHY. The VT6307 services two types of data packets: asynchronous and isochronous (real time). The 1394 link core performs arbitration requesting, packet generation and checking, and bus cycle master operations. It also has root node capability and performs retry operations. The VT6307 is ready to provide industry-standard IEEE 1394 peripheral connections for desktop and mobile PC platforms.
  • Page 28 8050 D N/B Maintenance 8050 D N/B Maintenance 1.3.10 System Flash Memory (BIOS) Firmware Hub for Intel® 810, 810E, 815, 815E,815EP, 820, 840, 850 Chipsets Flexible Erase Capability Uniform 4 K Byte Sectors Uniform 16 K Byte overlay blocks for SST49LF002A Uniform 64 K Byte overlay blocks for SST49LF004ATop boot block protection 16 K Byte for SST49LF002A 64 K Byte for SST49LF004A...

  • Page 29: Memory System

    8050 D N/B Maintenance 8050 D N/B Maintenance Block Locking Register for all blocks Standard SDP Command Set Data# Polling and Toggle Bit for End-of-Write detection 5 GPI pins for system design flexibility 4 ID pins for multi-chip selection 1.3.11 Memory System 1.3.11.1 64MB, 128MB, 256MB, 512MB (x64) 200-Pin DDR SDRAM SODIMM JEDEC-standard 200-pin, small-outline, dual in-line memory module (SODIMM) Utilizes 200 Mb/s and 266 Mb/s DDR SDRAM components...
  • Page 30 8050 D N/B Maintenance 8050 D N/B Maintenance DQS edge-aligned with data for READs; center-aligned with data for WRITEs Internal, pipelined double data rate (DDR) architecture; two data accesses per clock cycle Bidirectional data strobe (DQS) transmitted/received with data—i.e.,source-synchronous data capture Differential clock inputs (CK and CK# - can be multiple clocks, CK0/CK0#, CK1/CK1#, etc.) Four internal device banks for concurrent operation Selectable burst lengths: 2, 4, or 8...
  • Page 31 8050 D N/B Maintenance 8050 D N/B Maintenance 1.3.12 PHY: 3.3-V 10Base-T/100Base-TX Integrated PHY Ceiver ,The ICS1893 is a low-power, physical-layer device (PHY) General The Realtek RTL8100C(L) is a highly integrated, cost-effective single-chip Fast Ethernet controller that provides 32-bit performance, PCI bus master capability, and full compliance with IEEE 802.3u 100Base-T specifications and IEEE 802.3x Full Duplex Flow Control.
  • Page 32 8050 D N/B Maintenance 8050 D N/B Maintenance 128 pin QFP/LQFP Integrated Fast Ethernet MAC, Physical chip and transceiver in one chip 10 Mb/s and 100 Mb/s operation Supports 10 Mb/s and 100 Mb/s N-way Auto-negotiation operation PCI local bus single-chip Fast Ethernet controller Compliant to PCI Revision 2.2 Supports PCI clock 16.75MHz-40MHz Supports PCI target fast back-to-back transaction...
  • Page 33 8050 D N/B Maintenance 8050 D N/B Maintenance Supports 4 Wake-On-LAN (WOL) signals (active high, active low, positive pulse, and negative pulse) Supports auxiliary power-on internal reset, to be ready for remote wake-up when main power still remains Supports auxiliary power auto-detect, and sets the related capability of power management registers in PCI configuration space.
  • Page 34 8050 D N/B Maintenance 8050 D N/B Maintenance 1.3.13 Keyboard System: Winbond W83L950D The Winbond Keyboard controller architecture consists of a Turbo 51 core controller surrounded by various registers, nine general purpose I/O port, 2k+256 bytes of RAM, four timer/counters, dual serial ports, 40K MTP- ROM that is divided into four banks, two SMBus interface for master and slave, Support 4 PWM channels, 2 D-A and 8 A-D converters.

  • Page 35: Other Functions

    8050 D N/B Maintenance 8050 D N/B Maintenance 1.4 Other Functions 1.4.1 Hot Key Function Keys Combination Feature Meaning Fn + F1 Power down Mini PCI power down Fn + F2 Reserve Fn + F3 Volume Down Fn + F4 Volume Up Fn + F5 LCD/external CRT switching Rotate display mode in LCD only, CRT only, and simultaneously display.

  • Page 36: Cover Switch

    8050 D N/B Maintenance 8050 D N/B Maintenance 1.4.2 Power on/off/suspend/resume button APM mode At APM mode, Power button is on/off system power. ACPI mode At ACPI mode. Windows power management control panel set power button behavior.You could set “standby”, “power off” or “hibernate”(must enable hibernate function in power Management) to power button function.

  • Page 37: Led Indicators

    8050 D N/B Maintenance 8050 D N/B Maintenance Hibernate (must enable hibernate function in power management) 1.4.4 LED Indicators Three LED indicators at front side: From left to right that indicate BATTERY POWER, BATTERY STATUS and AC POWER AC POWER: This LED lights green when the notebook was powered by AC power line, Flashes (on 1 second, off 1 second) when entered suspend to RAM state with AC powered.
  • Page 38 8050 D N/B Maintenance 8050 D N/B Maintenance BATTERY STATUS: During normal operation, this LED stays off as long as the battery is charged. When the battery charge drops to 10% of capacity, the LED lights red, flashes per 1 second and beeps per 2 second. When AC is connected, this indicator glows green if the battery pack is fully charged or orange (amber) if the battery is being charged.

  • Page 39: Battery Status

    8050 D N/B Maintenance 8050 D N/B Maintenance 1.4.5 Battery status Battery Warning System also provides Battery capacity monitoring and gives users a warning signal to alarm they to store data before battery dead. This function also protects system from mal-function while battery capacity is low. Battery Warning: Capacity below 10%, Battery Capacity LED flashes per second, system beeps per 2 seconds.

  • Page 40: Cmos Battery

    8050 D N/B Maintenance 8050 D N/B Maintenance 1.4.6 Fan power on/off management FAN is controlled by W83L950D embedded controller-using ADT7460 to sense CPU temperature and PWM control fan speed. Fan speed is depended on CPU temperature. Higher CPU temperature faster Fan Speed. 1.4.7 CMOS Battery CR2032 3V 220mAh lithium battery When AC in or system main battery inside, CMOS battery will consume no power AC or main battery not exists, CMOS battery life at less (220mAh/5.8uA) 4 years.

  • Page 41: Power Management

    Implanted H/W current limit and battery learning circuit to enhance protection of battery. 1.5 Power management The 8050D system has built in several power saving modes to prolong the battery usage for mobile purpose. User can enable and configure different degrees of power management modes via ROM CMOS setup (booting by pressing F2 key).
  • Page 42 8050 D N/B Maintenance 8050 D N/B Maintenance Doze Mode In this mode, CPU will be toggling between on & stop grant mode either. The technology is clock throttling. This can save battery power without loosing much computing capability. The CPU power consumption and temperature is lower in this mode. Standby mode For more power saving, it turns of the peripheral components.

  • Page 43: Other Power Management Functions

    8050 D N/B Maintenance 8050 D N/B Maintenance VGA: Suspend PCMCIA: Suspend Audio: off SDRAM: self refresh Suspend to HDD All devices are stopped clock and power-down System status is saved in HDD All system status will be restored when powered on again 1.5.2 Other power management functions HDD &...

  • Page 44: System View & Disassembly

    8050 D N/B Maintenance 8050 D N/B Maintenance 2. System View and Disassembly 2.1 System View 2.1.1 Front View 1394 Jack Line Out Connector Line In Connector MIC In Connector SD Card Slot Top Cover Latch 2.1.2 Left-side View VGA Port S-Video Port USB Ports *1 Ventilation Openings...
  • Page 45 8050 D N/B Maintenance 8050 D N/B Maintenance 2.1.3 Right-side View CD-ROM/DVD-ROM Drive Kensington Lock 2.1.4 Rear View Kensington Lock Power Connector USB Port*2...

  • Page 46: Bottom View

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.1.5 Bottom View Hard Disk Drive DDR SDRAM Card Wireless Card Battery Park Stereo Speaker Set 2.1.6 Top-open View LCD Screen Power Button Stereo Speaker Set Keyboard Device LED Indicators Touch Pad Hard Disk Drive Indicator Battery Power Charging Indicator Power Indicator...

  • Page 47: System Disassembly

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2 System Disassembly The section discusses at length each major component for disassembly/reassembly and show corresponding illustrations.Use the chart below to determine the disassembly sequence for removing components from the notebook. NOTE: Before you start to install/replace these modules, disconnect all peripheral devices and make sure the notebook is not turned on or connected to AC power.

  • Page 48: Battery Pack

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.1 Battery Pack Disassembly 1. Carefully put the notebook upside down. 2. Slide the two release lever outwards to the “unlock” ( ) position ( ), while take the battery pack out of the compartment ( ).
  • Page 49 8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.2 Keyboard Disassembly 1. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Open the top cover. 3. Loosen the four latches locking the keyboard. (Figure 2-2) 4. Slightly lift up the keyboard and disconnect the cable from the mother board, then separate the keyboard. (Figure 2-3) Figure 2-2 Loosen the four latches Figure 2-3 Disconnect the cable...
  • Page 50 8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.3 CPU Disassembly 1. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove three screws fastening the heatsink cover. (Figure 2-4) 3. Remove three spring screws that secure the heatsink upon the CPU and disconnect the fan’s power cord from system board.
  • Page 51 8050 D N/B Maintenance 8050 D N/B Maintenance 4. To remove the existing CPU, Loosen the screw by a flat screwdriver,upraise the CPU socket to unlock the CPU. (Figure 2-6) Figure 2-6 Remove the CPU Reassembly 1. Carefully, align the arrowhead corner of the CPU with the beveled corner of the socket, then insert CPU pins into the holes.

  • Page 52: Hdd Module

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.4 HDD Module Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove two screws fastening the HDD compartment cover. (Figure 2-7) 3. Remove the one screw and slide the HDD module out of the compartment. (Figure 2-8) Figure 2-7 Remove the HDD compartment cover Figure 2-8 Remove HDD module...
  • Page 53 8050 D N/B Maintenance 8050 D N/B Maintenance 4. Remove four screws to separate the hard disk drive from the bracket, remove four screws. (Figure 2-9) Figure 2-9 Remove hard disk drive Reassembly 1. Attach the bracket to hard disk drive and secure with four screws. 2.
  • Page 54 8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.5 CD/DVD-ROM Drive Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove one screw fastening the CD/DVD-ROM drive. (Figure 2-10) 3. Push firmly to release the tray. Then gently pull out the CD/DVD-ROM drive by holding the tray that pops out.

  • Page 55: Wireless Card

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.6 Wireless Card Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to sections 2.2.1 Disassembly) 2. Remove the two screws fastening the Mini PCI compartment cover. (Figure 2-12) 3.

  • Page 56: Modem Card

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.7 Modem Card Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove two screws fastening modem card’s compartment cover. (Refer to steps 1-2 of section 2.2.6 Disassembly) 3.
  • Page 57 8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.8 DDR-SDRAM Disassembly 1. Carefully put the notebook upside down. And remove the battery pack. (See section 2.2.1 disassembly) 2. Remove two screws fastening the DDR compartment cover to access the SO-DIMM socket. (Figure 2-16) Figure 2-16 Remove the cover Figure 2-17 Remove the SO-DIMM 3.

  • Page 58: Lcd Assy

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.9 LCD ASSY Disassembly 1. Remove the battery pack, keyboard,CPU, hard disk drive, CD/DVD-drive and wireless card. (See sections 2.2.1,2.2.2, 2.2.3, 2.2.4, 2.2.5 and 2.2.6 Disassembly) 2. Remove the nineteen screws on the bottom of notebook. (Figure 2-18) 3.
  • Page 59 8050 D N/B Maintenance 8050 D N/B Maintenance 4. Remove the two screws and disconnect the touch pad’s cable, then free the top cover.(Figure 2-20) 5. Remove the two hinge covers. (Figure 2-21) Figure 2-20 Free the Top cover Figure 2-21 Remove the hinge covers...
  • Page 60 8050 D N/B Maintenance 8050 D N/B Maintenance 6. Disconnect the two cables and remove the four screws. (Figure 2-22) 7. Remove the eight screws. (Figure 2-23) Figure 2-22 Remove the four screws and Figure 2-23 Remove the eight screws Disconnect the two cables...
  • Page 61 8050 D N/B Maintenance 8050 D N/B Maintenance 8. Carefully pull the antenna wires out. Now you can lift up the LCD ASSY from base unit. (Figure 2-24) Figure 2-24 Free the LCD ASSY Reassembly 1. Attach the LCD assembly to the base unit and secure with four screws. 2.

  • Page 62: Lcd Panel

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.10 LCD Panel Disassembly 1. Remove the battery, keyboard, hard disk drive, CD/DVD-ROM drive and LCD assembly. (Refer to section 2.2.1, 2.2.2, 2.2.4, 2.2.5 and 2.2.9 Disassembly) 2. Remove the two rubber pads and two screws on the corners of the panel. (Figure 2-25) 3.
  • Page 63 8050 D N/B Maintenance 8050 D N/B Maintenance 5. Remove the six screws that secure the LCD bracket. (Figure 2-27) 6. Disconnect the cable to free the LCD panel. (Figure 2-28) Figure 2-27 Remove the six screws Figure 2-28 Free the LCD panel Reassembly 1.

  • Page 64: Inverter Board

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.11 Inverter Board Disassembly 1. Remove the battery, keyboard, hard disk drive, CD/DVD-ROM drive and LCD assembly. (Refer to section 2.2.1, 2.2.2, 2.2.4, 2.2.5 and 2.2.9 Disassembly) 2. Remove the LCD cover and LCD panel. (Refer to the steps 1-4 of section 2.2.10 Disassembly ) 3.

  • Page 65: System Board

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.12 System Board Disassembly 1. Remove the battery, keyboard, hard disk drive, CD/DVD-ROM drive, Wireless card and LCD assembly. (Refer to sections 2.2.1, 2.2.2, 2.2.4, 2.2.5, 2.2.6 and 2.2.9 Disassembly) 2. Remove the four screws that secure the system board and disconnect the two speaker’s cables. Then lift it up from the housing.

  • Page 66: Touch Pad

    8050 D N/B Maintenance 8050 D N/B Maintenance 2.2.13 Touch Pad Disassembly 1. Remove the battery pack, keyboard, hard disk drive and CD/DVD-drive. (See sections 2.2.1,2.2.2 , 2.2.4 and 2.2.5 Disassembly) 2. Remove the top cover. (See steps 1-5 in section 2.2.9 Disassembly) 3.

  • Page 67: Definition & Location Of Connectors / Switches Setting

    8050 D N/B Maintenance 8050 D N/B Maintenance 3. Definition & Location of Connectors / Switches 3.1 Mother Board - A J1 : Inverter Board Connector J2 : LCD panel connector J3 : Internal Left Speaker Connector J4 : Touch-pad Module Connector J5 : Internal Key-board Connector J6 : PCMCIA Card Connector J7 : Internal Right Speaker Connector...
  • Page 68 8050 D N/B Maintenance 8050 D N/B Maintenance 3. Definition & Location of Connectors / Switches 3.2 Mother Board - B J706 PJ701 : AC Adaptor Connector J709 J702 J704 J701&J706 : USB Port Connector J702 : CRT Connector J701 J713 J703 : Battery Connector PJ701...
  • Page 69 8050 D N/B Maintenance 8050 D N/B Maintenance 3. Definition & Location of Connectors / Switches 3.2 Mother Board - B -----Continue From Previous Page----- J715 J715&J717: Modem Daughter Board Connector J717 J716 : SD&MS Card Socket J718 : IEEE 1394 Connector J719 : External Micro Phone Jack J720 : Line Out HP/OPT Jack J721 : External Line-in Jack...

  • Page 70: Definition & Location Of Major Component

    8050 D N/B Maintenance 8050 D N/B Maintenance 4. Definition & Location of Major Components 4.1 Mother Board - A PU2 : +3VS/+5VS Voltage Generator PU3 : CPU Core Voltage Generator PU14: +1.8V/+1.35V Voltage Generator PU15 : +2.5VS/+1.25V Voltage Generator U2 : TV Encoder Controller U15: SYS BIOS Controller U16: WINBOND KBC Controller...
  • Page 71 8050 D N/B Maintenance 8050 D N/B Maintenance 4. Definition & Location of Major Components 4.2 Mother Board - B U706 : Thermal Sensor/Fan Controller U710 : ATI-M10-P U719 U713 : Intel BANIAS CPU U714 : Intel 855GM/GME North Bridge U715 : Intel ICH4-M South Bridge U724 U727...

  • Page 72: Pin Description Of Major Component

    8050 D N/B Maintenance 8050 D N/B Maintenance 5. Pin Descriptions of Major Components 5.1 Intel Pentium M(Banias) Processor(1) Signal Name Type Description Signal Name Type Description A[31:3]# (Address) define a 2 32 -byte physical memory address space. BPRI# (Bus Priority Request) is used to arbitrate for ownership of the A[31:3]# BPRI# In sub-phase 1 of the address phase, these pins transmit the address of a...
  • Page 73 8050 D N/B Maintenance 8050 D N/B Maintenance 5.1 Intel Pentium M(Banias) Processor(2) Signal Name Type Description Signal Name Type Description DBSY# (Data Bus Busy) is asserted by the agent responsible for driving DPWR# is a control signal from the Intel 855PM and Intel 855GM DBSY# DPWR# data on the processor system bus to indicate that the data bus is in use.
  • Page 74 8050 D N/B Maintenance 8050 D N/B Maintenance 5.1 Intel Pentium M(Banias) Processor(3) Signal Name Type Description Signal Name Type Description INIT# (Initialization), when asserted, resets integer registers inside the PWRGOOD (Power Good) is a processor input. The processor requires INIT# PWRGOOD processor without affecting its internal caches or floating-point registers.
  • Page 75 8050 D N/B Maintenance 8050 D N/B Maintenance 5.1 Intel Pentium M(Banias) Processor(4) Signal Name Type Description Signal Name Type Description Processor core power supply. SMI# (System Management Interrupt) is asserted asynchronously by SMI# VCCA provides isolated power for the internal processor core PLL’s. system logic.

  • Page 76: Intel 855Gm/Gme North Bridge

    8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(1) Host Interface Signal Descriptions Host Interface Signal Descriptions(Continued) Signal Name Type Description Signal Name Type Description Address Strobe: The system bus owner asserts ADS# to indicate the Dynamic Bus Inversion: Driven along with the HD[63:0]# signals.
  • Page 77 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(2) Host Interface Signal Descriptions (Continued) DDR SDRAM Interface Descriptions Signal Name Type Description Signal Name Type Description Differential Host Data Strobes: The differential source synchronous Chip Select: These pins select the particular DDR SDRAM HDSTBP[3:0]# SCS[3:0]# AGTL+...
  • Page 78 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(3) AGP Addressing Signal Descriptions DDR SDRAM Interface Descriptions (Continued) Signal Name Type Description Signal Name Type Description Data Strobes: Data strobes are used for capturing data. During Pipelined Read: This signal is asserted by the AGP master to SDQS[8:0] GPIPE#...
  • Page 79 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(4) AGP Flow Control Signals AGP Status Signal Descriptions Signal Name Type Description Signal Name Type Description Status: Provides Read Buffer Full: Read buffer full indicates if the master is ready to GST[2:0] ST[2:0 Meaning...
  • Page 80 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(5) AGP Strobe Descriptions AGP/PCI Signals-Semantics Descriptions Signal Name Type Description Signal Name Type Description G_FRAME: Frame. Address/Data Bus Strobe-0: provides timing for 2x and 4x data on GFRAME# GADSTB[0] During PIPE# and SBA Operation: Not used by AGP SBA and...
  • Page 81 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(6) AGP/PCI Signals-Semantics Descriptions (Continued) ATP/PCI Signals-Semantics Descriptions(Continued) Signal Name Type Description Signal Name Type Description G_TRDY#: Target Ready. GTRDY# GGNT# G_GNT#: Grant. During PIPE# and SBA Operation: Not used while enqueueing During SBA, PIPE# and FRAME# Operation: G_GNT#, along with the information on the ST[2:0] signals (status bus), indicates requests via AGP SBA and PIPE#, but used during the data phase of...
  • Page 82 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(7) Hub Interface Signals Digital Video Output B (DVOB) Port Signal Descriptions Signal Name Type Description Name Type Description Packet Data: Data signals used for HI read and write operations. DVOB Data: This data bus is used to drive 12-bit RGB data on each HL[10:0] DVOBD[11:0]...
  • Page 83 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(8) DVOB and DVOC Port Common Signal Descriptions Digital Video Output C (DVOC) Port Signal Descriptions Name Type Description Name Type Description DVOBC Interrupt: This pin is used to signal an interrupt, typically DVOC Data: This data bus is used to drive 12-bit RGB data on each DVOBCINTR# DVOCD[11:0]...
  • Page 84 8050 D N/B Maintenance 8050 D N/B Maintenance 5.2 Intel 855GM/GME North Bridge(9) GPIO Signal Descriptions GPIO Signal Descriptions(Continued) GPIO I/F Total Type Comments GPIO I/F Total Type Comments Reset: Primary Reset, Connected to PCIRST# of ICH4-M. DVO I2C Clock: This signal is used as the I2C_CLK for a digital RSTIN# MI2CCLK CMOS...

  • Page 85: Intel 82801 Idbm I/O Controller Hub 4 Mobile(Ich4-M) South Bridge

    8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(1) Hub Interface Signals Firmware Hub Interface Signals Signal Name Type Description Signal Name Type Description Firmware Hub Signals. Muxed with LPC address signals. HI[11:0] Hub Interface Signals FWH[3:0]/...
  • Page 86 8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(2) PCI Interface Signals (Continued) PCI Interface Signals (Continued) Signal Name Type Description Signal Name Type Description Cycle Frame: The current Initiator drives FRAME# to indicate the Stop: STOP# indicates that the ICH4, as a Target, is requesting the FRAME# STOP#...
  • Page 87 8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(3) PCI Interface Signals (Continued) IDE Interface Signals (Continued) Signal Name Type Description Signal Name Type Description I/OD PCI Power Management Event: PCI peripherals drive PME# to Primary and Secondary IDE Device Data: These signals directly PME# PDD[15:0],...
  • Page 88 8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(4) IDE Interface Signals (Continued) LPC Interface Signals Signal Name Type Description Signal Name Type Description Primary and Secondary I/O Channel Ready (PIO): This signal LPC Multiplexed Command, Address, Data: For the LAD[3:0] PIORDY#/ LAD[3:0]/...
  • Page 89 8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(5) Power Management Interface Signals (Continued) Power Management Interface Signals Signal Name Type Description Signal Name Type Description Thermal Alarm: This is an active low signal generated by external LAN Reset: This signal must be asserted at least 10 ms after the THRM# LAN_RST#...
  • Page 90 8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(6) Processor Interface Signals (Continued) Power Management Interface Signals (Continued) Signal Name Type Description Signal Name Type Description Deeper Sleep - Voltage Regulator: This signal is used to lower the Ignore Numeric Error: This signal is connected to the ignore error DPRSLPVR IGNNE#...
  • Page 91 8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(7) Processor Interface Signals (Continued) Real Time Clock Interface Signals Signal Name Type Description Signal Name Type Description CPU Power Good: This signal should be connected to the Special Crystal Input 1: This signal is connected to the 32.768 kHz crystal.
  • Page 92 8050 D N/B Maintenance 8050 D N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)(8) AC’97 Link Signals Power and Ground Signals Signal Name Type Description Signal Name Description AC ’97 Reset: This signal is a master hardware reset to external 3.3 V supply for core well I/O buffers.

  • Page 93: System Block Diagram

    8050 D N/B Maintenance 8050 D N/B Maintenance 6. System Block Diagram U713 INTEL BANIAS/DOTHAN Host 400MHZ LVDS U727 PCMCIA U714 Card Reader U710 CARD READER J711 Socket CB710 North Bridge DDR 266 ATI-M10 855GME Mini PCI U719 66MHZ Card Socket RTL8100CL Amplifier TPA0212...

  • Page 94: Maintenance Diagnostics

    8050 D N/B Maintenance 8050 D N/B Maintenance Diagnostics 7. Maintenance 7.1 Introduction Each time the computer is turned on, the system BIOS runs a series of internal checks on the hardware. This power-on self test (post) allows the computer to detect problems as early as the power-on stage. Error messages of post can alert you to the problems of your computer.If an error is detected during these tests, you will see an error message displayed on the screen.

  • Page 95: Debug Card

    8050 D N/B Maintenance 8050 D N/B Maintenance 7.2 Diag nostic Tool for Mini PCI Slot : The Mini PCI DOG killer card is a single-step debug tool which utilizes Mini PCI interface (Type III A) and is able to hold a PCI bus cycle so that address, data and control bus states on PCI bus can be inspected. Especially, the tool can help an engineer trace address/data bus for BIOS read cycles as soon as power on and debug open or short circuit problems easily.

  • Page 96: Error Code

    8050 D N/B Maintenance 8050 D N/B Maintenance 7.3 Error Codes - 1 Following is a list of error codes in sequent display on the debug board. POST (HEX) DESCRIPTION POST (HEX) DESCRIPTION Boot started Size Memory Disable A20 through A20 Dispatch To RAM Test Initialize CS checksum the ROM...

  • Page 97: Error Codes

    8050 D N/B Maintenance 8050 D N/B Maintenance 7.3 Error Codes - 2 Following is a list of error codes in sequent display on the debug board. POST (HEX) DESCRIPTION POST (HEX) DESCRIPTION Search For Monochrome Adapter Initialize the hard disk Search For Color Adapter Initialize option ROMs Signon messages displayed...
  • Page 98 8050 D N/B Maintenance 8050 D N/B Maintenance 7.3 Error Codes - 3 Following is a list of error codes in sequent display on the debug board. POST (HEX) DESCRIPTION POST (HEX) DESCRIPTION check rom signature, 1.x video disable add-in rom card decode enable RAM area in regs PCI return(config and no video) copy ROM to RAM in regs...

  • Page 99: Trouble Shooting

    8050 D N/B Maintenance 8050 D N/B Maintenance 8. Trouble Shooting 8.1 No Power 8.9 CD-ROM Driver Test Error 8.2 Battery Can not Be Charged 8.10 Audio Failure 8.3 No Display 8.11 LAN Test Error 8.4 External Monitor No Display 8.12 Modem Test Error 8.5 Memory Test Error 8.13 MINI-PCI Test Error...

  • Page 100: No Power

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.1 No Power When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. PD702 Power In PWR_VDDIN VDD5 VDD5S PL1 PL2 PJ 701 PR701 F3,U13 Q51,L71...
  • Page 101 8050 D N/B Maintenance 8050 D N/B Maintenance 8.1 No Power When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. Continue To Previous Page DVMAIN JS706,PL712 PU705,PL713,PR739 JS71,JS717 +1.8V_P +1.8V PU14 PU707,PL714,PR741...
  • Page 102 8050 D N/B Maintenance 8050 D N/B Maintenance 8.1 No Power When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. No power Check following parts and signals: POWER Parts: Signals: ALWAYS Is the...
  • Page 103 8050 D N/B Maintenance 8050 D N/B Maintenance 8.1 No Power(1) When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. 120Z/100M PD702 BAV70LT1 PJ701 PWR_VDDIN 7A/24VDC 120Z/100M PR701 PD701 PD704 RLZ24D BAV70LT1...
  • Page 104 8050 D N/B Maintenance 8050 D N/B Maintenance 8.1 No Power(2) When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. PD704 BAV70LT1 PWR_VDDIN PQ704 PR720 AO4407 100K PF702 PL705 7A/24VDC VDD3S 120Z/100M...

  • Page 105: Battery Can Not Be Charged

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.2 Battery Can not Be Charged There are problems in charging the battery. Battery can not Charge Board-level Troubleshooting Is the Connect notebook connected AC adaptor. to power (AC adaptor)? Check following parts and signals: Parts Signal Replace...
  • Page 106 8050 D N/B Maintenance 8050 D N/B Maintenance 8.2 Battery Can not Be Charged There are problems in charging the battery. PQ707 AO4407 PL710 PL709 PD713 PF703 PL708 33UH 3.0UH EC31QS04 Reference chapter 8.1(1) TR/3216FF-3A BEAD_120Z/100M From chapter 8.1(1) BATT ADINP PC39 PR75...

  • Page 107: No Display

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.3 No Display There is no display on both LCD and VGA monitor after power on although the LCD and monitor is known-good. No Display Monitor Replace monitor or LCD module Board-level or LCD.
  • Page 108 8050 D N/B Maintenance 8050 D N/B Maintenance 8.3 No Display(1) ****** System Clock Check ****** R874 44,45 R875 33*2 R860 4.7K HCLK_CPU HCLK_CPU# U713 R863 4.7K R894 4.7K 35,38 R865 R872 48M_DREFCLK HCLK_MCH 48,49 33*4 R873 R878 66M_DEFSSCLK HCLK_MCH# U714 R863 8.2K...
  • Page 109 8050 D N/B Maintenance 8050 D N/B Maintenance 8.3 No Display(2) ****** System Reset Check ****** MAX809 +3VS RESET# PWRBTN# H8_PWRON PWROK HCPURST# Convert U713 Power HPWRGD +VCCP BANIAS Module PWROK TC010-PSS11CET R301 LTC3728L ICH_PWRBTN HPWRGD Convert to RSMRST# IMP811 R531 VDD3 U714...
  • Page 110 8050 D N/B Maintenance 8050 D N/B Maintenance 8.3 No Display(3) ****** VGA Controller Checking ****** AGP_ VREF R120 1.02K AGP_VDDQ C146 C149 R110 0.01U 1.02K SI4835DY R140 R104 R752 ENAVDD 2N7002 0.22U 120Z/100M 1,2,3 R11~R14 10K*4 6,7,10,14 PANEL_ID[0..3] R160 TXCLK-_ATI TXCLK- U710...
  • Page 111 8050 D N/B Maintenance 8050 D N/B Maintenance 8.3 No Display(4) ****** Back Light & Cover Switch Checking ****** To U715 in this page R372 BAT54 R386 U710 ATI-M10 BAT54 PWROK U714 855GM DVMAIN R380 120Z/100M VDD3S 120Z/100M R383 BAT54 R323 120Z/100M H8_ENABKL...
  • Page 112 8050 D N/B Maintenance 8050 D N/B Maintenance 8.3 No Display(5) CPU Core does not exist . DD_CPU 7A/24VDC 120Z/100M DVMAIN 120Z/100M PU10 FDS6694 FDS6694 +5VS_P PL711 PR740 +VCC_CORE 0.68UH 0.001 PU12 PU13 PU11 PR32 STOP_CPU# FDS6694 FDS6694 FDS6694 U715 ICH4_M PD718 EC31QS04-TE12L...

  • Page 113: External Monitor No Display

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.4 External Monitor No Display There is no display or picture abnormal on CRT monitor, but LCD can normally display. External Monitor No Display Board-level Check if J702 1. Confirm monitor is good and check Troubleshooting Re-soldering.
  • Page 114 8050 D N/B Maintenance 8050 D N/B Maintenance 8.4 External Monitor No Display There is no display or picture abnormal on CRT monitor, but LCD can normally display. R703 +5V_H +5V_H 4.7K 4.7K 2N7002 120Z/100M R785 ATI_CRT_DDCK CHAGND 2N7002 R138 ATI_CRT_DDDA R804 8.2K...

  • Page 115: Memory Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.5 Memory Test Error Either on board or extend SDRAM is failure or system hangs up. Memory Test Error 1.If your system installed with expansion SO-DIMM module then check them for Board-level proper installation.
  • Page 116 8050 D N/B Maintenance 8050 D N/B Maintenance 8.5 Memory Test Error Either on board or extend SDRAM is failure or system hangs up. +2.5VS_DDR +1.25V_DDR R340 C337 C346 RP29~RP43 0.01U 0.1U 56*8 NB_MD[0..63] R948,R949… MD[0..63] NB_DQS[0..7] R1011,R1016.. DQS[0..7] NB_DM[0..7] R950,R955..

  • Page 117: Keyboard/Touch-Pad Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.6 Keyboard (K/B) /Touch-Pad (T/P) Test Error Error message of keyboard or touch-pad failure is shown or any key does not work. Keyboard or Touch-Pad Test Error Check U16, J4,J5 Re-soldering for cold solder? Is K/B or T/P cable connected to Correct it.
  • Page 118 8050 D N/B Maintenance 8050 D N/B Maintenance 8.6 Keyboard (K/B) /Touch-Pad (T/P) Test Error Error message of keyboard or touch-pad failure is shown or any key does not work. VDD3_AVREF F701 L716 R414 0.5A/POLYSW 120Z/100M VDD3 120Z/100M T_DATA C445 C448 C449 120Z/100M...

  • Page 119: Usb Port Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.7 USB Port Test Error An error occurs when a USB I/O device is installed. USB Test Error Board-level Check if the USB device is installed Troubleshooting properly. (Including charge board.) Test Correct it Replace Check following parts and signals:...
  • Page 120 8050 D N/B Maintenance 8050 D N/B Maintenance 8.7 USB Port Test Error An error occurs when a USB I/O device is installed. +5VS U701 L702 120Z/100M R877 +VCC_USB_0 VIN0 VOUT0 USBCLK_ICH U712 VIN1 VOUT1 CLK-GEN L701 R701 C701 120Z/100M 150U +VCC_USB_1 C703...

  • Page 121: Hard Disk Drive Test Error

    8050 N/B Maintenance 8050 N/B Maintenance 8.8 Hard Disk Drive Test Error Either an error message is shown, or the drive motor spins non-stop, while reading data from or writing data to hard disk. Hard Driver Test Error Board-level 1.Check the BIOS setup Troubleshooting 2.Replace another good hard driver or try again Check following parts and signals:...
  • Page 122 8050 D N/B Maintenance 8050 D N/B Maintenance 8.8 Hard Disk Drive Test Error Either an error message is shown, or the drive motor spins non-stop, while reading data from or writing data to hard disk. +5V_HDD L733 120Z/100M R1081 R1074 4.7K 8.2K...

  • Page 123: Cd-Rom Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.9 CD-ROM Test Error CD-ROM driver can’t run normally,maybe an error message is shown when reading data from CD-ROM. CD-ROM Driver Test Error Board-level Check the CD-ROM driver for proper Troubleshooting installation. Check following parts and signals: Parts: Signals:...
  • Page 124 8050 D N/B Maintenance 8050 D N/B Maintenance 8.9 CD-ROM Test Error CD-ROM driver can’t run normally,maybe an error message is shown when reading data from CD-ROM. +5V_CDROM L723 120Z/100M 38~42 R833 R834 4.7K 8.2K 6~21 SD_D[0..15] SDIOW# SDIOR# SIORDY U715 SDDACK# IRQ15...

  • Page 125: Audio Test Failure

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.10 Audio Failure There is trouble with the sound from speaker or completely no sound Audio Failure 1. Check if speaker cables are connected properly. Board-level 2. Make sure all the drivers are installed Troubleshooting properly.
  • Page 126 8050 D N/B Maintenance 8050 D N/B Maintenance 8.10 Audio Failure(Audio Codec) There is trouble with the sound from speaker or completely no sound J719 EXTERNAL MIC JACK INTERNAL MIC1 To U715 L734 BEAD_600Z/100M C457 0.1U SBSPKR R1150 C458 0.1U CARDSPK# R1155 MIC5205BM5...
  • Page 127 8050 D N/B Maintenance 8050 D N/B Maintenance 8.10 Audio Failure(Audio Amplifier & Subwoofer) There is trouble with the sound from speaker or completely no sound From Previous Page U726 SPDIFOUT 15,17 DEVICE_DECT 600Z/100M ROUT+ R322 R1183 J720 4.7K Internal 600Z/100M ROUT- L754...

  • Page 128: Lan Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.11 LAN Test Error An error occurs when a LAN device is installed. LAN Test Error 1.Check if the driver is installed properly. 2.Check if the notebook connect with the LAN properly. Check following parts and signals: Board-level Troubleshooting...
  • Page 129 8050 D N/B Maintenance 8050 D N/B Maintenance 8.11 LAN Test Error An error occurs when a LAN device is installed. +3VS 26,41,56,71 AVDDL +3VS 84,94,107 R1110 3.6K L737 120Z/100M 3,7,16,20 EECK L732 24,32,45,54,64 +2.5VS_DDR DVDD EEDI 78,99,110,116,126 C911 120Z/100M U723 EEDO L735...

  • Page 130: Modem Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.12 Modem Test Error An error occurs when run the modem MODEM Test Error 1.Check if the driver is installed properly. 2.Check if the notebook connect with the Board-level phone LAN properly. Troubleshooting Check following parts and signals: Test...
  • Page 131 8050 D N/B Maintenance 8050 D N/B Maintenance 8.12 Modem Test Error An error occurs when run the modem 10,18 +3VS R1132 4.7K C937 0.1U MONO_OUT J717 ACSDOUT ACRST# U726 ACSYNC ALC555 R498 R1120 ACBITCLK R1131 ACSDIN1 U715 ICH4_M C148 1000P C806 1000P...

  • Page 132: Mini-Pci Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.13 Mini PCI Test Error An error message is shown after Mini PCI device is installed or the Mini PCI device does’t work. Mini PCI Test Error 1.Please check if the Mini PCI device is installed properly.
  • Page 133 8050 D N/B Maintenance 8050 D N/B Maintenance 8.14 CardBus & Reader Test Error An error occurs when a PC card device is installed. PC Card Slot Failure 1. Check if the PCMCIA CARD device is installed properly. Board-level 2. Confirm PCMCIA card driver is installed ok. Troubleshooting Check following parts and signals: Parts:...

  • Page 134: Card Bus&Reader Test Error

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.13 Mini PCI Test Error An error message is shown after Mini PCI device is installed or the Mini PCI device does’t work. 18，97 R179 R1007 R211.. PCI_INTD# PCI_GNT2# R1068 R1080 R1083 PCI_REQ2# PCI_PERR# PCI_STOP#...
  • Page 135 8050 D N/B Maintenance 8050 D N/B Maintenance 8.14 CardBus & Reader Test Error An error occurs when a PC card device is installed. R1201 R1199 10K*2 VCC5_EN# R211, R180 VCCD0# R186 R212… R231 8.2k R1202 PCI_AD20 VCC3_EN# 8.2K*7 17,51 8.2k*2 +CARD_VCC VCCD1#...

  • Page 136: Ieee1394 Test Failure

    8050 D N/B Maintenance 8050 D N/B Maintenance 8.15 IEEE 1394 Test Failure An error occurs when a IEEE 1394 device is installed.. IEEE 1394 Fail 1. Check if the 1394 device is installed properly. 2. Confirm 1394 driver is installed ok. Check following parts and signals: Board-level Troubleshooting...
  • Page 137 8050 D N/B Maintenance 8050 D N/B Maintenance 8.15 IEEE 1394 Test Failure An error occurs when a IEEE 1394 device is installed.. +PHYVDD 1394_AVCC 24,8,20… VCC0~7 VCCRAM L743 39,49 120Z/100M 62,65,75 R211, L746 +3VS 76,89,90 EECS_1394 R212, 120Z/100M R218… 8.2K 5~28,97~120 PCI_AD[0..31]...

  • Page 138: Spare Parts List

    8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(1) Part Number Description Location(S) Part Number Description Location(S) 221600020252 CARTON;BATTERY,CAIMAN,PWR 242600000439 LABEL;25*6,HI-TEMP,COMMON 221600050218 PARTITION;BATTERY,MARLIN,CAIMAN, 242600000452 LABEL;BLANK,7MM*7MM,PRC 221600050219 PARTITION;TOP/BTM,BATTERY,MARLIN 242600000452 LABEL;BLANK,7MM*7MM,PRC 221673120003 CARTON;N-B,8060 242664800013 LABEL;CAUTION,INVERT BD,PITCHING 221673140001 BOX;AK,8060 242668300028 LABEL;32*7MM,POLYESTER FILM,HOPE 221673150001 PARTITION;AK BOX,8060 242669600005 LABEL;LOT NUMBER,RACE 221673150002 CARD BOARD;FRAME,PALLET,8060...
  • Page 139 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(2) Part Number Description Location(S) Part Number Description Location(S) 271061100102 RES;10,1/16W,1%,0402,SMT PR37,PR38,PR5 271061180101 RES;18.2 ,1/16W,1% ,0402,SMT R838 271061100501 RES;10 ,1/16W,5% ,0402,SMT PR1,PR100,R1000,R1001,R1009,R 271061183102 RES;18K,1/16W,1%,0402,SMT PR718,R462,R507 271061101103 RES;100 ,1/16W,1% ,0402,SMT R1092,R1117,R1202,R208,R257,R 271061184302 RES;180K ,1/16W, 5%,0402,SMT R1140,R288...
  • Page 140 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(3) Part Number Description Location(S) Part Number Description Location(S) 271061249312 RES;249K,1/16W,1%,0402,SMT PR729,PR76 271061562212 RES;56.2K,1/16W,1%,0402,SMT PR15 271061270102 RES;27.4 ,1/16W, 1%,0402,SMT R133,R213,R291 271061576411 RES;576K ,1/16W,1% ,0402,SMT PR28 271061272102 RES;2.7K ,1/16W,1% ,0402,SMT R448,R449 271061590411 RES;590K,1/16W,1%,0402,SMT PR65...
  • Page 141 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(4) Part Number Description Location(S) Part Number Description Location(S) 271071127011 RES;127 ,1/16W,1% ,0603,SMT R163 271071681813 RES;68.1,1/16W,1%,0603,SMT R903 271071131101 RES;130 ,1/16W,1% ,0603,SMT R911 271071684101 RES;680K ,1/16W,1% ,0603,SMT 271071152302 RES;1.5K ,1/16W,5% ,0603,SMT 271071713102 RES;715 ,1/16W,1% ,0603,SMT R762 271071152302 RES;1.5K ,1/16W,5% ,0603,SMT...
  • Page 142 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(5) Part Number Description Location(S) Part Number Description Location(S) 272010101301 CAP;100P,2KV,5%,1206,NPO,SMT,onl 272075222401 CAP;2200P,50V ,10%,0603,X7R,SMT C15A 272010101302 CAP;100P,2KV,5%,1206,NPO,SMT,onl 272075222401 CAP;2200P,50V ,10%,0603,X7R,SMT 272011106701 CAP;10U ,10V,+80-20%,1206,Y5V,S C166,C174,C238,C271,C355,C772 272075223702 CAP; 0.22U CR 50V +80-20% 0603 C1,C2,C20A,C24,C25 272012105401 CAP;1U ,CR,16V ,10%,1206,X7R,S C14A,C14B...
  • Page 143 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(6) Part Number Description Location(S) Part Number Description Location(S) 272105332402 CAP;3300P,50V,10%,0402,SMT PC28,PC56 273000990127 INDUCTOR;IHLP5050CE-01-0.68uH,VI PL711 272105470402 CAP;47P ,50V ,+ -10%,0402,NPO,S C1,C143,C144,C154,C172,C2,C4,C 273000990184 INDUCTOR;3.0UH,30%,CDRH5D28,H3.0 PL717 272105471403 CAP;470P ,50V,10%,0402,X7R,SMT C41,C729,C742,C751 273000990185 INDUCTOR;3.9UH,30%,CDRH8D43,H4.5 PL706,PL707,PL715 272431157507 CAP;150U ,TPC,6.3V,20%,H1.9,7343 C701,C713,C743,C768,PC712,PC7...
  • Page 144 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(7) Part Number Description Location(S) Part Number Description Location(S) 283767540002 IC;EM6A9320BI-3.6M,DDR SDRAM,4MX 286301470001 IC;SC1470,PWM CTRL,TSSOP,14P,SMT PU16 283767630002 IC;HY8250128323,DDR SDRAM,4MX32, 286302211006 IC;CP2211,POWER DISTRI SW,REV.C1 U728 284500522001 IC;855GME GMCH,NORTH BRIDGE,BGA, U714 286302951015 IC;LP2951ACM,VOLTAGE REGULATOR,S 284500655003 IC;ALC655,AUDIO CODEC,LQFP,48P,S U726...
  • Page 145 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(8) Part Number Description Location(S) Part Number Description Location(S) 288200144008 TRANS;DTA144EKA,PNP,SMT 291000013027 CON;HDR,MA,15P*2,ACES,88026-3000 J716 288200301001 TRANS;FDV301N,N-CHANNEL,SOT23 291000020204 CON;HDR,MA,2P*1,3.5MM,R/A,SMT,SM 288202215001 TRANS;MUN2215T1,N-MOSFET,SC59,SM Q719,Q720 291000020206 CON;HDR,MA,2P*1,1.25MM,H2.57,R/A J3,J7,J705,J715 288202222019 TRANS;MMBT2222ALT1,NPN,TO236AB,O PQ15 291000021105 CON;HDR,MA,11P*1,ACES,87213-1100 288202237002 TRANS;MUN2237T1,NPN,SOT-23,SMT,O PQ24,Q47 291000021105 CON;HDR,MA,11P*1,ACES,87213-1100...
  • Page 146 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(9) Part Number Description Location(S) Part Number Description Location(S) 295000010141 FUSE;FAST,3A,32VDC,1206,SMT,0433 PF703 331870007007 CON;MINI DIN,7P,R/A,W/GROUND,330 J704 295000010163 FUSE;NORMAL,7A/24VDC,0433007,120 PF1,PF2,PF702 331910002006 CON;POWER JACK,2P,20VDC,5A,DIP PJ701 295000010183 FUSE;FAST,1.75A,63VDC,1206,SMT,0 332110020165 WIRE ;#20AWG,UL1007,L=160mm,RED, 295000100004 FUSE;FAST,1A,63V,1206,THIN FILM 332110020173 WIRE ;#20AWG,UL1007,L=256mm,BLAC 297004010001 SW;PUSH BUTTOM,5P,SPST,12VDC,50m SW2,SW4,SW5...
  • Page 147 8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(10) Part Number Description Location(S) Part Number Description Location(S) 340680900027 WLEN ASSY;CABLE,8050 344680900048 DUMMY CARD;PCMCIA,8050 340680900028 WIRE ASSY;INVERTER,8050 344680900049 COVER;HINGE,L,8050 340680900029 COVER ASSY;MINIPCI,8050 345677000018 CONDUCTIVE TAPE;LCD,LYNX 340680900034 SPEAKER ASSY;WOOFER,NEW,8050 345677300001 RUBBER;SILICONE RUBBER,T=1.5mm,D 340680900035 HEATSINK ASSY;DESCRETE,UNP,8050 346503100005 INSULATOR;5,BATTERY ASSY,7521Li...
  • Page 148 422674300071 WIRE ASSY;MDC,E-NOTE 370102610401 SPC-SCREW;M2.6L4,K-HD,t0.8,NIB/N 422677000008 WIRE ASSY;BATT TO MB,FOR LYNX,MO J710 370102610603 SPC-SCREW;M2.6L6,K-HD,NIB/NLK 422680900003 WIRE CABLE;SAM LTN154X1,8050 370102610603 SPC-SCREW;M2.6L6,K-HD,NIB/NLK 431680900004 CASE KIT;8050D,ATIM 370102611601 SPC-SCREW;M2.6*L16,NIB,K-HD 441674800032 CONTACT PLATE ASSY;W4L27T0.15,S- 370103010405 SPC-SCREW;M3L4,NIW,K-HD,T0.3 441680900031 LCD ASSY;SAMSUNG,XGA,15.4",LTN15 371102010252 SCREW;M2L2.5,K-HEAD(+),NIB/NLK 441681700001 BATT ASS'Y;11.1V,4.4Ah,LI,BL3244 371102010252 SCREW;M2L2.5,K-HEAD(+),NIB/NLK 441681700002 BATT ASSY;11.1V,4.4Ah,LI,CASE CL...

  • Page 149: System Exploded View

    8050 D N/B Maintenance 8050 D N/B Maintenance 9. Spare Part List(12) Part Number Description Location(S) 451680900001 LABEL KIT;N-B,8050 451680900031 HDD ME KIT;8050 451680900051 LCD ME KIT;SAMSUNG,15.4",8050 451680900072 HOUSING KIT;8050,ATIM10/11 451680900093 HEATSINK ASSY DISCRETE;UNP,8050 451680900094 HEATSINK ASSY DISCRETE;MPT,8050 451680900151 ROM ME KIT;8050 451999900003 HEATSINK DISCRETE OPTION;8050 461680900006 PACKING KIT;N-B BOX,8050 481680900001 F/W ASSY;SYS/VGA BIOS,8050,ATIM...

  • Page 150: Circuit Diagram

    PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 151 FIDUCIAL-MARK FIDUCIAL-MARK MTG6 MTG3 MTG15 ID3.0/OD9.0 ID3.0/OD9.0 ID3.0/OD9.0 MTG118-RD354-N-30X12 MTG118-RD354-N-30X12 MTG118-RD354-N-30X12 DRAWN DESIGN CHECK ISSUES 1394_GND Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 152 0402 0402 0402 +/-10% +/-10% +/-10% +/-10% R123 0 0805 Title 8050D MOTHER B/D 1.8V, 0.6A, 10uF and 10nF each VCCA pin. 1.5V for future support. Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version...
  • Page 153 = 1 1.260 0.748 1.244 0.732 1.228 0.716 POWER CONSUMPTION SAVING CIRCUIT 1.212 0.700 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 154 DVOCD8 855_DVOCD9 R115 0/NA 0402 DVOCD9 855_DVOCD10 R131 0/NA 0402 DVOCD10 Title 855_DVOCD11 R116 0/NA 0402 DVOCD11 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 155 0805 0402 L730 0603 0402 : 400/200/200(100/200) 1206 6.3V +80-20% 120Z/100M/NA 6.3V +80-20% Title +80-20% 8050D MOTHER B/D : 400/200/133(100/133) Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 156 Title C404 C405 C406 C412 C407 C414 +80-20% +80-20% +80-20% +80-20% +80-20% 0.01U 0.01U 0.01U 0.01U 0.01U 0.01U 8050D MOTHER B/D 0402 0402 0402 0402 0402 0402 +80-20% +80-20% +80-20% +80-20% +80-20% +80-20% Size Document PCB 316680900001/ASSY 411682700001 Number Date:...
  • Page 157 R767 C761 C760 C759 0402 0402 0402 47P/NA 47P/NA 47P/NA 0402 0402 0402 +/-10% +/-10% +/-10% Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 158 120Z/100M/NA 120Z/100M 2012 VDD_CORE1.5 2012 C121 C134 C135 0.1U 0.1U 0805 0402 0402 6.3V +80-20% +80-20% Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 159 MEMTEST C731 6.3V R750 4.7K 4.7K/NA FOR 2.5V VDDR1 0805 Title MOBILITY-M10-P 0402 0402 MEMVMODE=1.8V 0805 8050D MOTHER B/D BGA644_64_1MM 0402 MEMVMODE1=GND FOR 1.8V VDDR1(ELPIDA) Size Document MEMVMODE=GND PCB 316680900001/ASSY 411682700001 Number MEMVMODE1=1.8V Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version...
  • Page 160 0402 0402 0805 0402 0402 0805 0402 0402 0805 0402 0402 0805 6.3V 6.3V 6.3V 6.3V Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 161 10U/NA +80-20% +80-20% +80-20% +80-20% 0402 0402 6.3V 6.3V 10U/NA +80-20% +80-20% 0805 0805 6.3V Title 0805 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 162 SUYIN 0402 1206 25V +/-10% 0402 25V +/-10% CHAGND CHAGND ESD41A/NA CHAGND Title 8050D MOTHER B/D CLOSE TO CRT CONNECTOR Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 163 32.768KHZ R932 R245 C229 0.1U C861 0402 0805 0/NA 0402 Title RTC_X2 0402 0805C 8050D MOTHER B/D 6.3V 0805 +/-10% Size Document R931 A20_GATE PCB 316680900001/ASSY 411682700001 A20GATE Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version...
  • Page 164 GPIO[42] MAIN POWER WELL AA19 IRQ15 IRQ15 ICH4-M SBSPKR NO REBOOT GPIO[43] MAIN POWER WELL BGA360_25_36 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 165 90Z/100M GND_USB1 SHORT-SMT4 CHOKE_ACM2012 GND_USB GND_USB JO17 SHORT-SMT4 SHORT-SMT4 JO702 USBP1- GND_USB1 0603D BEAD/NA SHORT-SMT4 GND_USB Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 166 MCT3 R930 1000P LED2 0402 LED3 MCT2 R262 75/NA 1808 0402 MCT1 R254 75/NA Title 0402 8050D MOTHER B/D GND_45 Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 167 0402 0402 0402 0603 0402 +/-10% +80-20% 43.2K R1235 0402 Title 43.2K R389 0402 8050D MOTHER B/D 43.2K R1237 0402 Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 168 Because of EMC notice, change R534 0/NA 0402 L547 to 0 ohm 0805 1394_GND 1394_GND 1394_GND Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 169 0402 5% MINIPCI_PCISERIRQ 13,14,17,22 SERIRQ R1091 0402 5% MINIPCI_LPCFRAME# 13,22,23 LFRAME# MINIPCI_SIO48M R1137 0402 5% SIO_48M Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 170 +/-10% 85204-0200 120Z/100M/NA JP, use 4pcs of 2kV 1000P cap 291000020206 L721 2012 Title US, use 2pcs of 2kV 1000P cap 8050D MOTHER B/D MINISMDC014-2 POLYSW_MINISMDC110 UK, use 4pcs of 3kV 1000P cap Size Document PCB 316680900001/ASSY 411682700001 Number Date:...
  • Page 171 RIN_2464 SUB_RIGHT SUB_OUTR R512 0/NA 0402 SUB_RIGHT SUB_OUTR 22.1K 0402 U19B 0.15U LMV822 0603 MSOP8 Title 8050D MOTHER B/D AGND Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 172 +/-20% FAN_SPEED TACH2 TP719 C871 TACH3 THERM_ERR# 4.7U 14,25 THERM_ERR# TACH4/ADDRESS SELECT/THERM 0805 Title +80-20% 8050D MOTHER B/D ADT7460 QSOP16B Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 173 Q719 R1152 1M 13,17,22,25 SUSB# DTC114TKA BATT_LED# 288202215001 BATT_LED# C947 R1303 Title 4.7U 0402 0805 8050D MOTHER B/D 12,22 AC_POWER# +80-20% 0/NA Size Document PCB 316680900001/ASSY 411682700001 Number R1140 180K 0402 Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version...
  • Page 174 MB_ID1 JS726 MB_ID2 SHORT-SMT4 SHORT-SMT4 JS727 +VCCP +1.05V_P SHORT-SMT4 1.05V JS728 SHORT-SMT4 JS729 SHORT-SMT4 JS730 SHORT-SMT4 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 175 0402 C708 0.1U R260 0402 22K/NA 2N7002/NA +80-20% 0402 PWRON_SUSB# +3VS 2N7002 0402 PWRON_SUSB# PWRON_SUSB# 0402 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 176 0402 PQ21 +80-20% 2N7002 R356 25,28,29,30,31 PWRON_SUSB# 0402 C367 SGND1 PR115 0.1U/NA 0402 +80-20% 0402 SGND1 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 177 0/NA SUSC# 13,22,26 PR26 PR27 0402 0.1U/NA 0402 0.1U/NA +80-20% 0402 0402 0402 +80-20% SGND0 SGND0 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 178 PQ703 2N7002 PQ706 2N7002 R714 SGND3 25,26,29,30,31 PWRON_SUSB# 0402 PR730 C714 0.1U/NA 0402 0402 +80-20% SGND3 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 179 PQ16 2N7002 PQ18 R103 2N7002 25,26,28,30,31 PWRON_SUSB# 0402 C142 PR106 0.1U/NA 0402 0402 +80-20% SGND2 Title 8050D MOTHER B/D SGND2 Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 180 0402 24.9K PR129 0402 0402 PQ19 2N7002 SW_1.5V/1.25V PR130 100K PC80 0402 0.1U 0402 SGND7 SGND7 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 181 PC27 GND_A 100P PC28 PR62 0402 3300P 0402 +/-10% 0402 0.1U/NA 0402 0402 +80-20% GND_A Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number BAT54C Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 182 250233-MR007G123ZU PR23 BAT_C 0402 PR24 BAT_D 0402 VDD3 BAV99 288100099012 VDD3 BAV99 288100099012 JO11 SPARKGAP_6 SPARKGAP_6 Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...
  • Page 183 PU5B =8.56V LMV393M SCK431LCSK-.5 SSOP8 PC36 PR63 PC33 0.01U 80.6K SOT23N 0.1U 0402 0402 0402 +80-20% Title 8050D MOTHER B/D Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...

  • Page 184: Block Diagram

    SUB WOOFER I -LIMIT CARD CABLE REARDER TOUCH Internal SOCKET Keyboard PCMCIA/ CardReader Title CARDBUS 8050D MOTHER B/D Transition Board SLOT Size Document PCB 316680900001/ASSY 411682700001 Number Date: Wednesday, December 31, 2003 Sheet PDF created with FinePrint pdfFactory trial version http://www.fineprint.com...

  • Page 185: Reference Material

    “Intel 855GME North Bridge” Intel, INC. “Intel ICH-4 South Bridge” Intel, INC. WINBOND KBC WINBOND, LTD. Clock Syntherizer ICS,INC VT6307L IEEE1394 Host Controller AMPRO Computers, INC System Explode View Technology Corp / MiTAC 8050D Hardware Specification Technology Corp / MiTAC...
  • Page 186 SERVICE MANUAL FOR SERVICE MANUAL FOR 8050D 8050D SERVICE MANUAL FOR 8050D Sponsoring Editor : Jesse Jan Sponsoring Editor : Jesse Jan Author : Grass Ren Author : Grass Ren Assistant Editor : Ping.Xie Assistant Editor : Ping.Xie Publisher : MiTAC International Corp.

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