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MiTAC M762 Service Manual

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SERVICE MANUAL FOR
SERVICE MANUAL FOR
SERVICE MANUAL FOR
M762
M762
M762
BY:
Sissel Diao
Sissel Diao
TESTING TECHNOLOGY DEPARTMENT / TSSC
TESTING TECHNOLOGY DEPARTMENT / TSSC
Jun. 2002

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Summary of Contents for MiTAC M762

  • Page 1 SERVICE MANUAL FOR SERVICE MANUAL FOR SERVICE MANUAL FOR M762 M762 M762 Sissel Diao Sissel Diao TESTING TECHNOLOGY DEPARTMENT / TSSC TESTING TECHNOLOGY DEPARTMENT / TSSC Jun. 2002...

  • Page 2: Table Of Contents

    M762 N/B Maintenance M762 N/B Maintenance Contents 1. Hardware Engineering Specification ---------------------------------------------------------------------------- Introduction ------------------------------------------------------------------------------------------------------------------------- 1.2 System Architecture --------------------------------------------------------------------------------------------------------------- 1.3 Appendix 1: GPIO Definitions -------------------------------------------------------------------------------------------------- 1.4 Appendix 2: Keyboard Controller Pin Definitions ------------------------------------------------------------------------- 2. System View and Disassembly ------------------------------------------------------------------------------------ 2.1 System View ------------------------------------------------------------------------------------------------------------------------ 2.2 System Disassembly ---------------------------------------------------------------------------------------------------------------...
  • Page 3 M762 N/B Maintenance M762 N/B Maintenance Contents 6. System Block Diagram --------------------------------------------------------------------------------------------- 7. Maintenance Diagnostics ------------------------------------------------------------------------------------------- 7.1 Introduction ------------------------------------------------------------------------------------------------------------------------- 7.2 Error Codes ------------------------------------------------------------------------------------------------------------------------- 8. Trouble Shooting ---------------------------------------------------------------------------------------------------- No Power ---------------------------------------------------------------------------------------------------------------------------- 8.2 No Display --------------------------------------------------------------------------------------------------------------------------- 8.3 VGA Controller Failure LCD No Display ------------------------------------------------------------------------------------ 8.4 External Monitor No Display ---------------------------------------------------------------------------------------------------...
  • Page 4 M762 N/B Maintenance M762 N/B Maintenance Contents 10. System Exploded View -------------------------------------------------------------------------------------------- 11. Circuit Diagram ---------------------------------------------------------------------------------------------------- 12. Reference Material ------------------------------------------------------------------------------------------------...

  • Page 5: Hardware Engineering Specification

    1.1 Introduction 1.1.1 General Description This document describes the system hardware engineer specification for M762 portable notebook computer system. The M762 notebook computer is a new mainstream high performance thin and light notebook in the MiTAC notebook family. 1.1.2 System Overview...
  • Page 6 M762 N/B Maintenance M762 N/B Maintenance Continue to previous page Button 5 Easy Start Button (function defined by user), One Email Button Support to 10/100 Based T Modem 56Kbps V.90 MDC Modem Pointing Glide PAD with 2 buttons Keyboard Internal Key Matrix Keyboard BIOS 512KB Flash EEPROM (Include System BIOS &...

  • Page 7: System Architecture

    M762 N/B Maintenance M762 N/B Maintenance 1.2 System Architecture 1.2.1 Block Diagram (without Power System) HOST CLK INTEL MOBILE M762 Block Diagram CLK SYN PCI CLK PIII/Celeron/ CKM133 14.318MHZ TUALATIN ICS950104 48MHZ uFCPGA-478 SDRAM SH13 144 PIN DIMM SOCKET ON BOARD SDRAM...
  • Page 8 M762 N/B Maintenance M762 N/B Maintenance 1.2.2 Function Description 1.2.2.1 CPU Socket able for Intel Mobile Tualatin PIII, CuMine-T/Tualatin Celeron Capable of uFCPGA478 processor package Supports Enhanced Intel SpeedStep technology (PIII-M) 1.2.2.2 Core Logic Integrated Ultra AGP VGA for Hardware 2D/3D Video/Graphics Accelerators...
  • Page 9 M762 N/B Maintenance M762 N/B Maintenance 1.2.2.3 Memory 128MB PC133 SDRAM on board one SO-DIMM slot expandable to 640MB Support 3.3V PC100/PC133 SDR SDRAM. On board Slot1 Total 128MB 128MB 128MB 64MB 192MB 128MB 128MB 256MB 128MB 256MB 384MB 128MB...
  • Page 10 M762 N/B Maintenance M762 N/B Maintenance 1.2.2.4 I/O Ports CRT Port Standard VGA compatible port DDC1 and DDC2B compliant Support up 1024*768 resolution(Max1920x1440) SIGNAL DESCRIPTION Red analog video output GREEN Green analog video output BLUE Blue analog video output Monitor Sense...
  • Page 11 M762 N/B Maintenance M762 N/B Maintenance IEEE 1394 Port Support IEEE 1394a Support Hot-Plug Signal Name Direction TPB- TPB+ TPA- TPA+ Table 3. IEEE 1394 Port Audio Ports SPDIF output Microphone in Built in one high quality internal speaker (1W)
  • Page 12 M762 N/B Maintenance M762 N/B Maintenance RJ-11 Connection to Modem Daughter Board Connector Support Modem RING_UP from S3 Signal Name Direction Description No Connect LINE + Phone Line Positive LINE - Phone Line Negative No Connect Table 4. Modem Port Figure 3.
  • Page 13 M762 N/B Maintenance M762 N/B Maintenance Infrared interface supporting IRDA format Fully compliant IrDA1.1 Typical Link Distance <=1m USB Ports Two industry standard USB 1.1 ports Signal Name Direction Description USB Device Power (+5VDC) DATA- Balanced Data Negative DATA+ Balanced Data Positive Ground Table 6.
  • Page 14 M762 N/B Maintenance M762 N/B Maintenance 1.2.2.6 Graphical Subsystem Supports Shared Memory Size from 8MBytes to 64MBytes 1.2.2.7 Display Internal LCD Display is 12.1” TFT XGA color (1024 x 768) Low driving voltage and low power consumption 3.3V power supply...

  • Page 15: Power Management Features

    M762 N/B Maintenance M762 N/B Maintenance 1.2.2.9 Power Management Features Meets ACPI 1.0 Requirements Meets APM 1.2 Requirements ACPI Sleep States Include S1orS3,S4,S5 CPU Power States Include C0, C1, C2 LED Blinking in S1 and S3 States System Power-Up Events Include: Power Button, Hot-Key, RTC Alarm, Modem Ring-In, LAN, PME# Software Watchdog Timer PCI Bus Power Management Interface Spec.

  • Page 16: Leds Indicator

    M762 N/B Maintenance M762 N/B Maintenance 1.2.2.12 LEDs Indicator System has nine status LED indicators to display system activity which include below LCD panel unit and above keyboard: Three LED indicators below LCD panel unit: From left to right that indicate AC POWER, BATTERY POWER and BATTERY STATUS POWER LED: This LED lights green when the notebook is being powered by AC, and flash (on 1 second, off 1 second) when suspend to DRAM or standby mode is active using AC power.
  • Page 17 M762 N/B Maintenance M762 N/B Maintenance 1.2.2.13 Buttons ACPI Power Button ACPI Sleep Button ACPI System Button Easy Start Button 1.2.2.14 Modem Signal Name Signal Name MONO_OUT MODEM_SPK Pull Up to +3V ACSYNC ACSDOUT MSDIN -ACRST MSDIN ACBITCLK Table 7. Modem Daughter Board Connector...

  • Page 18: Appendix 1: Gpio Definitions

    M762 N/B Maintenance M762 N/B Maintenance 1.3 Appendix 1: GPIO Definitions Chipset GPIO Immediately Power Type Original During Pin Name Signal Name After S4/S5 Description Plane Define Type PCIRST# PCIRST# GPIO0/REQA# LCD_ID0 +3V(main) Defined GPIO1/REQB#/REQ5# LCD_ID1 +3V(main) Defined GPIO2/PIRQE# Defined...

  • Page 19: Appendix 2: Keyboard Controller Pin Definitions

    M762 N/B Maintenance M762 N/B Maintenance 1.4 Appendix 2: Keyboard Controller Pin Definitions Port Signal Name Type Connect To Description 79~72 P10~P17 KO[0:7] Internal Keyboard Keyboard Matrix 67~60 P20~P27 KO[8:15] Internal Keyboard Keyboard Matrix 82~89 P30~P37 SD[0:7] Super I/O ISA data bus H8_PWRON_SIS SiS630ST &...
  • Page 20 M762 N/B Maintenance M762 N/B Maintenance Continue to previous page Port Signal Name Type Connect To Description H8_SUSC# SiS630SR System inter S4~S5 LID_OPEN# LID Switch Cover switch, logic low means LCD cover closed POWERBTN# Power Button System power button H8_THRM#...

  • Page 21: System View And Disassembly

    M762 N/B Maintenance M762 N/B Maintenance 2. System View and Disassembly 2.1 System View 2.1.1 Front View Volume Control Microphone Connector Audio Output Connector Mail-Received Battery Indicator Power Indicator Cover Latch 2.1.2 Rear View VGA Port Kensington Lock...

  • Page 22: Left Side View

    M762 N/B Maintenance M762 N/B Maintenance 2.1.3 Left Side View PC Card Slot RJ-11 Connector RJ-45 Connector IEEE1394 Connector 2.1.4 Right Side View USB Port CD/DVD-ROM Drive Port Power Switch IR Port USB Port Power Connector...

  • Page 23: Button View

    M762 N/B Maintenance M762 N/B Maintenance 2.1.5 Button View CPU Cover Battery Pack SO-DIMM Cover Reset Switch...

  • Page 24: Top-Open View

    M762 N/B Maintenance M762 N/B Maintenance 2.1.6 Top-Open View To open the cover, press the cover latch toward the right and lift the cover. LCD Display Microphone Keyboard Stereo Speaker Touch-pad Indicators Panel Easy Start Buttons...

  • Page 25: System Disassembly

    M762 N/B Maintenance M762 N/B Maintenance 2.2 System Disassembly This part 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 26: Battery Pack

    M762 N/B Maintenance M762 N/B Maintenance 2.2.1 Battery Pack Disassembly 1. Carefully put the notebook upside down. 2. Slide the right battery lock level outward to the “unlock” ( ) position. (See Figure 2-1) 3. Slide the left battery release level outward to the “unlock” ( ) position and hold it in the unlock position, and then you can remove the battery pack out of its compartment.
  • Page 27 M762 N/B Maintenance M762 N/B Maintenance 2.2.2 SO-DIMM Disassembly 1. Carefully put the notebook upside down. 2. Remove the battery pack. (See section 2.2.1 disassembly) 3. Remove two screws to lift the SO-DIMM compartment cover. (See Figure 2-2) Figure 2-2 Remove the SO-DIMM...
  • Page 28 M762 N/B Maintenance M762 N/B Maintenance 4. Pull the retaining clips outwards ( ) and remove the SO-DIMM ( ). (See Figure 2-3) Figure 2-3 Remove the SO-DIMM Reassembly 1. To install the SO-DIMM, match the SO-DIMM’s notched part with the socket’s projected part and firmly insert the SO-DIMM into the socket at 20-degree angle.
  • Page 29 M762 N/B Maintenance M762 N/B Maintenance 2.2.3 ID Cover Disassembly 1. Remove the battery pack. (See section 2.2.1disassembly ) 2. Remove thirteen button screws as shown below. (See Figure 2-4) Figure 2-4 Remove screws to loosen the ID Cover NOTE : You don’t have to remove five other screws that can be found on the bottom.
  • Page 30 M762 N/B Maintenance M762 N/B Maintenance 3. Put the notebook back to the upright position. Open the top cover and tilt it backward until it lies flat. To detach the ID cover, first slightly lift the upper edge ( ) and then slide it toward the first. (...
  • Page 31 M762 N/B Maintenance M762 N/B Maintenance 2.2.4 Keyboard Disassembly 1. Remove the battery pack. (See section 2.2.1disassembly ) 2. Remove the ID cover. (See section 2.2.3 disassembly ) 3. Put the notebook upside down. Remove the SO-DIMM compartment cover and then two screws that secure the keyboard (one is in the compartment, the other one is in the central position of the bottom).
  • Page 32 M762 N/B Maintenance M762 N/B Maintenance 4. Put the notebook back to the upright position. Lift up the keyboard and disconnect the cable to free it from the system board. Figure 2-8 Disconnect the cable to remove the keyboard Reassembly 1.

  • Page 33: Lcd Assembly

    M762 N/B Maintenance M762 N/B Maintenance 2.2.5 LCD Assembly Disassembly 1. Remove the battery pack. (See section 2.2.1 disassembly ) 2. Remove the ID cover. (See section 2.2.3 disassembly ) 3. Remove the hinges cover by inserting a flat screwdriver to the rear of the cover and pry the cover out.
  • Page 34 M762 N/B Maintenance M762 N/B Maintenance 4. Open the top cover. Unplug the two cable connectors coming from the LCD assembly, and remove four screws from the hinges. Now you can separate the LCD assembly from the base unit. (See Figure2-10)

  • Page 35: Lcd Panel

    M762 N/B Maintenance M762 N/B Maintenance 2.2.6 LCD Panel Disassembly 1. Remove the LCD assembly from the base unit. (See section 2.2.5 disassembly) 2. Remove the four rubber pads and the four screws underneath. Then you can separate the LCD frame from the housing.

  • Page 36: Inverter Board

    M762 N/B Maintenance M762 N/B Maintenance 2.2.7 Inverter Board Disassembly 1. Detach the LCD frame. (See steps 1 to 2 in section 2.2.6 disassembly.) 2. To take out the inverter board at the bottom side of the LCD, remover one screw and unplug the cable connected to the LCD panel.
  • Page 37 M762 N/B Maintenance M762 N/B Maintenance 2.2.8 Hard Driver Disassembly 1. Remove the battery pack. (See section 2.2.1 disassembly) 2. Remove the ID cover. (See section 2.2.3 disassembly) 3. Lift up the touch-pad board, the remove the screw at the upper right corner of the touchpad holder.(See Figure 2-14)
  • Page 38 M762 N/B Maintenance M762 N/B Maintenance 5. Remove four screws to separate the hard disk drive form the metal shield. (See Figure 2-16) Figure 2-16 Free the Hard driver Reassembly 1. Attach the metal shield to the hard disk drive and secure with four screws.
  • Page 39 M762 N/B Maintenance M762 N/B Maintenance 2.2.9 Touch-pad Disassembly 1. Remove the battery pack. (See section 2.2.1 disassembly) 2. Remove the ID cover. (See section 2.2.3 disassembly) 3. Lift up the touch-pad board, and disconnect the cable from the system board. (See Figure 2-17) 4.

  • Page 40: System Board

    M762 N/B Maintenance M762 N/B Maintenance 2.2.10 System Board Disassembly 1. Remove the battery pack. (See section 2.2.1 disassembly ) 2. Remove the ID cover. (See section 2.2.3 disassembly) 3. Remove the keyboard. (See section 2.2.4 disassembly) 4. Remove the LCD assembly. (See section 2.2.5 disassembly) 5.
  • Page 41 M762 N/B Maintenance M762 N/B Maintenance Reassembly 1. Fit the system board and CD-ROM transfer board into place and secure with four screws. 2. Replace the touch-pad and the hard disk drive. 3. Attach the LCD assembly to the base unit and secure with four screws and reconnect two cables. Replace the two hinge covers.
  • Page 42 M762 N/B Maintenance M762 N/B Maintenance 2.2.11 CD-ROM Transfer Board Disassembly 1. Remove the battery pack, ID cover, keyboard, LCD assembly, hard disk drive. (See section 2.2.1; 2.2.3; 2.2.4; 2.2.5; and 2.2.8 disassembly) 2. Remove one screw fastening the CD-ROM transfer board. (See Figure 2-19) 3.
  • Page 43 M762 N/B Maintenance M762 N/B Maintenance 2.2.12 CPU Disassembly 1. Remove the battery pack. (See section 2.2.1 disassembly) 2. Put the system board upside down. Remove three screws fastening the CUP cover. (See Figure 2-21) 3. Remove four screws that fastening the heatsink with the spring holder. (See Figure 2-22)
  • Page 44 M762 N/B Maintenance M762 N/B Maintenance (See Figure 2-23) Loosen the screw by a flat screwdriver, upraise the CPU socket to unlock the CPU. Figure 2-23 Remove the CPU from socket Reassembly 1. Connect the power cord of the fan assembly to the system board, and fit the heatsink onto the top of the CPU.

  • Page 45: Modem / Lan Card

    M762 N/B Maintenance M762 N/B Maintenance 2.2.13 Modem / LAN Card Disassembly 1. Remove the battery pack, ID cover, keyboard, LCD assembly, hard disk drive. (See section 2.2.1; 2.2.3; 2.2.4; 2.2.5; and 2.2.8 disassembly) 2. Remove the system board from the base. (See section 2.2.10 disassembly) 3.
  • Page 46 M762 N/B Maintenance M762 N/B Maintenance 2.2.14 DC/DC Board Disassembly 1. Remove the battery pack, ID cover, keyboard, LCD assembly, hard disk drive. (See section 2.2.1; 2.2.3; 2.2.4; 2.2.5; and 2.2.8 disassembly) 2. Put the system board upside down. 3. Remove one screw on the board, and two hexnut screws fastening the VGA port. (See Figure 2-24 disassembly) 4.

  • Page 47: Definition & Location Of Connectors / Switches

    M762 N/B Maintenance M762 N/B Maintenance 3. Definition & Location of Connectors / Switches 3.1 Mother Board - A J6 : Quick Key Transfer Board Connector J7 : LCD panel connector J9 : Internal Keyboard Connector J10 : LAN Connector...
  • Page 48 M762 N/B Maintenance M762 N/B Maintenance 3. Definition & Location of Connectors / Switches 3.1 Mother Board - B J502 : 144 pin SODIMM Slot J503 : D/D Board Connector. J502 J503 J504 : PCMCIA Card Slot J505 : USB Connector...

  • Page 49: Daughter Board

    M762 N/B Maintenance M762 N/B Maintenance 3. Definition & Location of Connectors / Switches 3.2 Daughter Board JP1 : MDC Jump Wire Connector J16: MDC Jump Wire Connector JP3 : MDC/LAN Transfer Board to M/B Connector 2 J17 : RJ-11 Phone Jack for Internal Modem...

  • Page 50: Charger Board

    M762 N/B Maintenance M762 N/B Maintenance 3. Definition & Location of Connectors / Switches 3.3 Charger Board J501 : D/D Board Connector DC to DC board (side A) J1 : External VGA Connector J2 : Inverter Board Connector J501 J3 : USB Port...

  • Page 51: Definition & Location Of Major Component

    M762 N/B Maintenance M762 N/B Maintenance 4. Definition & Location of Major Components 4.1 Mother Board - A U1~U4 : On board SDRAM_2M*16*4 U5 : DS90C363MTD VGA LVD controller U6 : 74CBTD3384 Level Shift U8 : PC87393 Super I/O U10 : H8/F3437 KBD Controller...
  • Page 52 M762 N/B Maintenance M762 N/B Maintenance 4. Definition & Location of Major Components 4.1 Mother Board - B U50~U504 : On board SDRAM_2M*16*4 U505 : ICS950104 clock generator U504 U503 U502 U501 U507 : Intel Mobile PIII/Celeron/Tualatin CPU U505 U509 : SiS630ST single chipset...

  • Page 53: Pin Description Of Major Component

    M762 N/B Maintenance M762 N/B Maintenance 5. Pin Descriptions of Major Components 5.1 Intel Mobile Pentium III-M uFC-PGA478 Processor Alphabetical Signal Reference Signal Name Signal Description Signal Name Signal Description DBSY# I/O- The DBSY# (Data Bus Busy) signal is asserted by the agent...
  • Page 54 M762 N/B Maintenance M762 N/B Maintenance 5.1 Intel Mobile Pentium III-M uFC-PGA478 Processor Alphabetical Signal Reference Signal Name Signal Description Signal Name Signal Description A[35:3]# BERR# The BERR# (Bus Error) signal is asserted to indicate an The A[35:3]# (Address) signals define a 2...
  • Page 55 M762 N/B Maintenance M762 N/B Maintenance 5.1 Intel Mobile Pentium III-M uFC-PGA478 Processor Alphabetical Signal Reference Signal Name Signal Description Signal Name Signal Description INTR The INTR (Interrupt) signal indicates that an external interrupt has GHI# The GHI# signal controls which operating mode bus ratio is selected 1.5V...
  • Page 56 M762 N/B Maintenance M762 N/B Maintenance 5.1 Intel Mobile Pentium III-M uFC-PGA478 Processor Alphabetical Signal Reference Signal Name Signal Description Signal Name Signal Description REQ[4:0]# The REQ[4:0]# (Request Command) signals must be connected to the The PICCLK (APIC Clock) signal is an input clock to the processor...
  • Page 57 M762 N/B Maintenance M762 N/B Maintenance 5.1 Intel Mobile Pentium III-M uFC-PGA478 Processor PWRGOOD Relationship at Power On Signal Name Signal Description Signal Name Signal Description The TDI (Test Data In) signal transfers serial test data to the RSP# The RSP# (Response Parity) signal is driven by the response agent 1.5V...
  • Page 58 M762 N/B Maintenance M762 N/B Maintenance 5.1 Intel Mobile Pentium III-M uFC-PGA478 Processor PWRGOOD Relationship at Power On Signal Name Signal Description VID[4:0] The VID[4:0] (Voltage ID) pins/balls can be used to support Open- automatic selection of power supply voltages. These pins/balls are not...

  • Page 59: Sis630St Slot1/Socket370 2D/3D Ultra Agp™ Single Chipset

    M762 N/B Maintenance M762 N/B Maintenance 5.2 SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset Host Bus Interface Name Tolerance Power Type Description Name Tolerance Power Type Description Plane Attr Plane Attr BPRI# 1.5V MAIN Priority Agent Bus Request: BPRI# is driven by the CPUCLK 3.3V/5V...
  • Page 60 M762 N/B Maintenance M762 N/B Maintenance 5.2 SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset Host Bus Interface Name Tolerance Power Type Description Name Tolerance Power Type Description Plane Attr Plane Attr INIT# 1.5V~5V MAIN OD Initialization : INIT is used to re-start the CPU without AD[31:0] 3.3V/5V...
  • Page 61 M762 N/B Maintenance M762 N/B Maintenance 5.2 SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset AGP Interface PCI Interface Name Tolerance Power Type Description Name Tolerance Power Type Description Plane Attr Plane Attr AGPCLK 3.3V MAIN AGP Clock STOP# 3.3V/5V MAIN...
  • Page 62 M762 N/B Maintenance M762 N/B Maintenance 5.2 SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset PCI IDE Interface Name Tolerance Power Type Description Name Tolerance Power Type Description Plane Attr Plane Attr IDREQ[A:B] 3.3V/5V MAIN Primary/Secondary Channel DMA Request Signals VMA11 3.3V...
  • Page 63 M762 N/B Maintenance M762 N/B Maintenance 5.2 SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset Power management Interface DAT/CLK Interface Name Tolerance Power Type Description Name Tolerance Power Type Description Plane Attr Plane Attr ACPILED <=5V ACPILED : ACPILED can be used to control the 3.3V/5V...
  • Page 64 M762 N/B Maintenance M762 N/B Maintenance 5.2 SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset LPC Interface AC’97 Interface Name Tolerance Power Type Description Name Tolerance Power Type Description Plane Attr Plane Attr LAD[3:0] 3.3V/5V MAIN LPC Address/Data Bus : LPC controller drives these AC_BITCLK 3.3V/5V...
  • Page 65 M762 N/B Maintenance M762 N/B Maintenance 5.2 SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset USB Interface Power and Ground Signals Name Tolerance Power Type Description Name Tolerance Power Type Description Plane Attr Plane Attr CLK48M 3.3V/5V MAIN USB 48 MHz clock input : This signal provides the GROUND fundamental clock for the USB Controller.

  • Page 66: Pci1410 Pcmcia Controller

    M762 N/B Maintenance M762 N/B Maintenance 5.3 PCI1410 PCMCIA Controller PCI Interface Control Power Supply Name Description Name Description I/O PCI device select. The PCI1410 asserts DEVSEL# to claim a PCI cycle as Device ground terminals DEVSEL# the target device. As a PCI initiator on the bus, the PCI1410 monitors Power supply terminal for core logic (3.3V)
  • Page 67 M762 N/B Maintenance M762 N/B Maintenance 5.3 PCI1410 PCMCIA Controller PCI Address and Data Multifunction and Miscellaneous Pins Name Description Name Description AD[31:0] I/O PCI address/data bus. These signals make up the multiplexed PCI address MFUNC0 I/O Multifunction terminal 0. MFUNC0 can be configured as parallel PCI and data bus on the primary interface.
  • Page 68 M762 N/B Maintenance M762 N/B Maintenance 5.3 PCI1410 PCMCIA Controller 16-Bit PC Card Interface Control (Slots A and B) Name Description Name Description Output enable. OE# is driven low by the PCI1410 to enable 16-bit memory PC BVD1 Battery voltage detect 1. BVD1 is generated by 16-bit memory PC Cards Card data output during host memory read cycles.
  • Page 69 M762 N/B Maintenance M762 N/B Maintenance 5.3 PCI1410 PCMCIA Controller CardBus PC Card Interface System (Slots A and B) CardBua PC Card Interface Control (Slots A and B) Name Description Name Description CCLK CardBus clock. CCLK provides synchronous timing for all transactions on CAUDIO CardBus audio.
  • Page 70 M762 N/B Maintenance M762 N/B Maintenance 5.3 PCI1410 PCMCIA Controller CardBua PC Card Interface Control (Slots A and B) (Continued) Name Description CPERR# I/O CardBus parity error. CPERR# reports parity errors during CardBus transactions, except during special cycles. It is driven low by a target two clocks following that data when a parity error is detected.

  • Page 71: Fw323 Ieee 1394 Controller

    M762 N/B Maintenance M762 N/B Maintenance 5.4 FW323 IEEE 1394 Controller Type Symbol Description Type Symbol Description Power. I/O PCI_CBEN[3] PCI Command/Byte Enable (Active-Low). Ground. PCI_IDSEL PCI ID Select. CardBus (Active-Low). Selects mode of operation for PCI output CARDBUS I/O PCI_AD[23] PCI Address/Data Bit.
  • Page 72 M762 N/B Maintenance M762 N/B Maintenance 5.4 FW323 IEEE 1394 Controller Type Symbol Description Type Symbol Description Cable Power Status. CPS is normally connected to the I/O PCI_AD[14] PCI Address/Data Bit. cable power through a 400K resistor. This circuit drives I/O PCI_AD[13] PCI Address/Data Bit.
  • Page 73 M762 N/B Maintenance M762 N/B Maintenance 5.4 FW323 IEEE 1394 Controller Type Symbol Description Type Symbol Description Analog I/O TPBIAS1 Port1, Twisted-Pair Bias. TPBIAS1 provides the PLLVDD Power for PLL Circuit. PLLVDD supplies power to 1.86V nominal bias voltage needed for proper operation the PLL circuitry portion of the device.

  • Page 74: System Block Diagram

    M762 N/B Maintenance M762 N/B Maintenance 6. System Block Diagram U507 Intel PIII/Celeron/Tualatin DIMM Socket ON BOARD uFCPGA478 SDRAM D/D BD U509 Slot1/Socket370 2D/3D Ultra AGP™ Single Chipset SiS630ST CD-ROM LAN 10/100M IEEE 1394 CARD BUS CDROM BD PCI1410 SiS900...

  • Page 75: Maintenance Diagnostics

    SIO port. But for the model which does not support SIO port , considering designing for mechanism, as M762, debug card could not directly be used. User must connect the each pin of the especial debug card to the appropriate COM1 signal by using cable, and then get the proper...

  • Page 76: Error Codes

    M762 N/B Maintenance M762 N/B Maintenance 7.2 Error Codes Following is a list of error codes in sequent display on the PIO debug board. Code POST Routine Description Code POST Routine Description Some type of long reset Test keyboard Turn off FAST A20 for POST...
  • Page 77 M762 N/B Maintenance M762 N/B Maintenance 7.2 Error Codes Following is a list of error codes in sequent display on the PIO debug board. Code POST Routine Description Code POST Routine Description Special init of keyboard ctlr Configure the COMM and LPT ports...

  • Page 78: Trouble Shooting

    M762 N/B Maintenance M762 N/B Maintenance 8. Trouble Shooting 8.1 No Power 8.2 No Display 8.3 VGA Controller Failure LCD No Display 8.4 External Monitor No Display 8.5 Memory Test Error 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error 8.7 Hard Disk Driver Test Error 8.8 CD-ROM Driver Test Error...

  • Page 79: No Power

    M762 N/B Maintenance M762 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: Is the notebook connected...
  • Page 80 M762 N/B Maintenance M762 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. Main Voltage Map BATT+ PL1,PL2,PL504,PU2 MP24 PU508,PU509,PU504,PU505 VCC_CORE PL511,PD509,PQ509,PL4 MP16 MP23...
  • Page 81 M762 N/B Maintenance M762 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. Main Voltage Map MP23 MP14 CARD_VCC From last page MP14 ICVCC...
  • Page 82 M762 N/B Maintenance M762 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. D/D Board ALWAYS VMAIN BAV70LT1 ADINP PL512 PD502 PL512 120Z/100M 6.5A/32VDC...
  • Page 83 M762 N/B Maintenance M762 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. PQ509 SI4435DY PL511 PD509 120Z/100M EC310QS03L 33UH ADINP BATT+ PC537 PC19...

  • Page 84: No Display

    M762 N/B Maintenance M762 N/B Maintenance 8.2 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 85 M762 N/B Maintenance M762 N/B Maintenance 8.2 No Display ****** System Clock Check ****** APICCLK R127 26.7 L504 120Z/100M VDDCPU U507 HCLK_CPU# 120Z/100M VDDPCI L507 9,18 HCLK_CPU 120Z/100M VDDSDR1 L508 30,37 C534 120Z/100M L506 R638 VDDAVDD 5,22 61.9 61.9 120Z/100M...
  • Page 86 M762 N/B Maintenance M762 N/B Maintenance 8.2 No Display ****** Power Good & Reset Circuit Check ****** VDD5 MAX809 SIS_PWROK H8_SIS_PWROK +1.8V H8_RESET# RESET# U507 R540 4.7K SIS_PWROK CPURST# 0.1µ IDE_RST# R557 BAV99 +S3V 100K 4.7K H8_PWRON Q510 DTC144WK D/CPU_PWR_ON...

  • Page 87: Vga Controller Failure Lcd No Display

    M762 N/B Maintenance M762 N/B Maintenance 8.3 VGA Controller Failure LCD No Display There is no display or picture abnormal on LCD although power-on-self-test is passed. VGA Controller Failure LCD No Display 1. Confirm LCD panel or monitor is good...
  • Page 88 M762 N/B Maintenance M762 N/B Maintenance 8.3 VGA Controller Failure LCD No Display There is no display or picture abnormal on LCD although power-on-self-test is passed. RP520~RP524 FA1~FA5 22*4 120OHM/100MHZ R[2:7]_301 R[2:7] R_[2:7] TXCLKOUT+ G_[2:7] G[2:7]_301 G[2:7] TXCLKOUT- B[2:7]_301 B[2:7]...

  • Page 89: External Monitor No Display

    M762 N/B Maintenance M762 N/B Maintenance 8.4 External Monitor No Display There is no display or picture abnormal on CRT monitor, but it is OK for LCD. External Monitor No Display 1. Confirm monitor is good and check the cable are connected properly.
  • Page 90 M762 N/B Maintenance M762 N/B Maintenance 8.4 External Monitor No Display There is no display or picture abnormal on CRT monitor, but it is OK for LCD. R501 J502 R507 CRT_IN# +3VS +5V_HDD C508 100P 2.2K 2.2K DDDA 600Z/100M DDCK...

  • Page 91: Memory Test Error

    M762 N/B Maintenance M762 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 proper installation. One of the following components or signals on the motherboard Board-level 2.Make sure that your SO-DIMM sockets...
  • Page 92 M762 N/B Maintenance M762 N/B Maintenance 8.5 Memory Test Error Either on board or extend SDRAM is failure or system hangs up. 144 PIN SODIMM SOCKET RP504~RP507 RP510~RP513 MDR[0:63] MD[0:63] 10*8 MAB#[0:9], MAB#[11,12] RP502,RP508 MAB[10,13,14] 10*8 DQMA#[0:7] RP503 10*8 CS#[0:3]...

  • Page 93: Keyboard (K/B) Touch-Pad (T/P) Test Error

    M762 N/B Maintenance M762 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 U8, U10, J12, 9 Re-soldering for cold solder?
  • Page 94 M762 N/B Maintenance M762 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. VDD5 H8_VDDA 120Z/100M C156 0.1µ 0.1µ 0.1µ MINISMDC110 0.1µ 0.1µ 600Z/100MHZ 9,59,4...

  • Page 95: Hard Disk Drive Test Error

    M762 N/B Maintenance M762 N/B Maintenance 8.7 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 1. Check if BIOS setup is OK?.
  • Page 96 M762 N/B Maintenance M762 N/B Maintenance 8.7 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 L524 120Z/100MHZ R229 41,42 R557...

  • Page 97: Cd-Rom Drive Test Error

    M762 N/B Maintenance M762 N/B Maintenance 8.8 CD-ROM Drive Test Error An error message is shown when reading data from CD-ROM drive. CD-ROM Driver Test Error Board-level 1. Try another known good compact disk. One of the following parts or signals on the motherboard may Troubleshooting 2.
  • Page 98 M762 N/B Maintenance M762 N/B Maintenance 8.8 CD-ROM Drive Test Error An error message is shown when reading data from CD-ROM drive. +5V_CD J507 R621 CDR_RST# R626 RST_CDROM Q515 +5V_CD Q516 AO3400 L525 DTC144WK 120Z/100MHZ 41~48 C634 R624 C631 C633 +12V 0.1µ...

  • Page 99: Usb Test Error

    M762 N/B Maintenance M762 N/B Maintenance 8.9 USB Test Error An error occurs when a USB I/O device is installed. USB Test Error Check if the USB device is installed properly. (Including charge board.) Board-level Check the following parts for cold solder or one of the following...
  • Page 100 M762 N/B Maintenance M762 N/B Maintenance 8.9 USB Test Error An error occurs when a USB I/O device is installed. F501 1.1A 30Z/100M USB_48MHZ +5V_P From U505 Clock Generator J503 J501 R503 4.7µ 10µ 1000P 470K USB_OC0# USB_OC0# R502 C502...

  • Page 101: Audio Failure

    M762 N/B Maintenance M762 N/B Maintenance 8.10 Audio Failure No sound from speaker after audio driver is installed. Audio Failure 1. Check if speaker cables are connected properly. 2. Make sure all the drivers are installed Board-level Check the following parts for cold solder or one of the following parts on the properly.
  • Page 102 M762 N/B Maintenance M762 N/B Maintenance 8.10 Audio Failure No sound from speaker after audio driver is installed. MIC1 AUDIO IN AVDDAD Internal 120Z/100M R225 R217 DVDD1,2 8.2K 8.2K C246 C247 10µ 0.1µ C639 C636 1µ 2.2µ +12V AVDDAD U517...
  • Page 103 M762 N/B Maintenance M762 N/B Maintenance 8.10 Audio Failure No sound from speaker after audio driver is installed. AUDIO OUT C606 R598 R594 2.2µ 12.1K C602 470P RLINE IN ROUT+ Q512 RHP IN ROUT- 120Z/100M DTA144WK R603 Internal Speaker Connector...

  • Page 104: Lan Test Error

    M762 N/B Maintenance M762 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. Check the following parts for cold solder or one of the following 2.Check if the notebook connect with the...
  • Page 105 M762 N/B Maintenance M762 N/B Maintenance 8.11 LAN Test Error An error occurs when a LAN device is installed. +S5V +S5V +S5V +S5V R156 4.7K AUTOLOAD R142 R140 R132 NM93C46M8 4.7K EECS SIS900CLK From U505 Clock Generator L515 EESK in page 13...

  • Page 106: Pc Card Slot Failure

    M762 N/B Maintenance M762 N/B Maintenance 8.12 PC Card Slot Failure An error occurs when a PC card device is installed. PC Card Slot Failure 1. Check if the PC CARD device is installed properly. Board-level Check the following parts for cold solder or one of the following 2.
  • Page 107 M762 N/B Maintenance M762 N/B Maintenance 8.12 PC Card Slot Failure An error occurs when a PC card device is installed. R162 +12V CARD_VCC VPPOUT J504 SUSPEND# 5,6,16 R153 VCC5_EN# 11~13 AUX_VCC VCC3_EN# PCI_VCC[0:3] VPPD0 CORE_VCC[0:5] TPS2211 C248 C277 VPPD1 2.2µ...

  • Page 108: Ieee 1394 Failure

    M762 N/B Maintenance M762 N/B Maintenance 8.13 IEEE 1394 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 the following parts for cold solder or one of the following...
  • Page 109 M762 N/B Maintenance M762 N/B Maintenance 8.13 IEEE 1394 Failure An error occurs when a IEEE 1394 device is installed. +VCC3_1394 +VCC3_1394 R570 R568 R584 VDD[0:10] GROM_SDA +PHY_AVDD GROM_SCL U511 120Z/100M NM24C02N VDDA[0:2] PLLVDD R585 C195 C185 C587 0.1µ 0.1µ...

  • Page 110: Spare Parts List

    C11,C114,C148,C161,C186,C2 541667200031 AK;BOX,LEGEND,M762 272075101701 CAP;100P ,50V ,+ -10%,0603,NPO,S C230,C232,C251,C508,PC24 346672000008 AL-FOIL;CD-ROM WIRE,M762 272431107509 CAP;100U,2V,20%,7343,SDK-CAP PC534,PC535,PC536,PC537,P 346672000007 AL-FOIL;K/B REAR COVER,M762 272075100701 CAP;10P ,50V ,+-10%,0603,NPO,SM C145,C173,C175,C177,C189,C 340672000011 AL-PLATE ASSY;SIS630,M762 272011106701 CAP;10U ,10V,+80-20%,1206,Y5V,S 340672000012 AL-PLATE ASSY;SIS900,M762 272011106701 CAP;10U ,10V,+80-20%,1206,Y5V,S 441999900061 BATT ASSY OPTION;LI-ION,1650MAH, 272011106701 CAP;10U ,10V,+80-20%,1206,Y5V,S...
  • Page 111 M762 N/B Maintenance M762 N/B Maintenance 9. Spare Parts List - 2 Part Number Description Location(s) Part Number Description Location(s) 272075271401 CAP;270P ,50V,+-10%,0603,X7R,SMT C243,C547 291000155001 CON;FPC/FFC,50P,0.5MM,R/A,ZIF,SM J501 272075331401 CAP;330P ,CR,50V,10%,0603,X7R,SM PC25 291000155001 CON;FPC/FFC,50P,0.5MM,R/A,ZIF,SM J507 272011475401 CAP;4.7U ,10%,10V ,1206,X7R,SMT C4,PC12 291000150806 CON;FPC/FFC,8P,0.5MM,R/A,SMT 272012475701 CAP;4.7U ,CR,16V ,+80-20%,1206,Y...
  • Page 112 CP501,502 227672000001 END CAP;FRAME,M762 272625470401 CP;47P*4 ,8P,50V ,10%,1206,NPO,S CP1,CP2,CP3,CP4,CP5,CP501 227672000003 END CAP;M762 291000621445 DIMM SOCKET;144P,.8MM,GOLD,SMT J502 227672000002 END CAP;TOP,AK,M762 288100032013 DIODE;BAS32L,VRRM75V,MELF,SOD-80 481672000002 F/W ASSY;KBD CTRL,M762 288100701002 DIODE;BAV70LT1,70V,225MW,SOT-23 PD1,7 481672000004 F/W ASSY;SYS/VGA BIOS,LEGENDS,M7 U512 288100701002 DIODE;BAV70LT1,70V,225MW,SOT-23 D10,D13,D7 273000610008 FERRITE ARRAY;120OHM/100MHZ,TKIN FA502 288100099001 DIODE;BAV99,70V,450MA,SOT-23...
  • Page 113 M762 N/B Maintenance M762 N/B Maintenance 9. Spare Parts List - 4 Part Number Description Location(s) Part Number Description Location(s) 273000150009 FERRITE CHIP;30OHM/100MHZ,2012,S L3,2 340668900003 HINGE;L,12.1",M722 273000130006 FERRITE CHIP;600OHM/100MHZ,.2A,1 L1,4,5,501 340668900004 HINGER;R,12.1"M722 273000130006 FERRITE CHIP;600OHM/100MHZ,.2A,1 L26,L27,L28,L32,L33,L36,L37 344668900039 HOLDER;TOUCH-PAD,2ND ID,M722 422666200001 FFC ASSY;TOUCH PAD,CASE KIT,NV 340672000002 HOUSING ASSY;BOTTOM,M762...
  • Page 114 M762 N/B Maintenance M762 N/B Maintenance 9. Spare Parts List - 5 Part Number Description Location(s) Part Number Description Location(s) 286301718002 IC;MAX1718,PWM,QSOP,28P 346668300040 INSULATOR;MDC MB,94V0,HOPE 346668300020 INSULATOR;MIC-BTM-MB,HOPE 281300732001 IC;NC7S32,SINGLE OR GATE,SC70-5 U515 346668300020 INSULATOR;MIC-BTM-MB,HOPE 286307805010 IC;NJM78L05UA,VOL REGULATOR,SOT, U517 284587393002 IC;PC87393F,TQFP,100P 346668300041 INSULATOR;QSB,REAR COVER,HOPE...
  • Page 115 Part Number Description Location(s) 294011200001 LED;GRN,H1.5,0805,PG1102W,SMT 222668330002 PROTECTING COLTH;LCD,HOPE 294011200021 LED;ORG,H0.8,0603,CL-190D,SMT 222668330001 PROTECTING COLTH;NB,HOPE 294011200006 LED;RE/GR,H1.5,L3,W2.5,BRPG1201W 411672000005 PWA;PWA-M762,CD ROM TRANS BD 344668300002 LENS;IR,HOUSING KIT,HOPE 411672000009 PWA;PWA-M762,D/D BD,SMT 526267200020 LTXNX;M762/T2XA/XXX7/XXX/L3D3A/X 411672000008 PWA;PWA-M762,D/D BD,T/U 339115000038 MICROPHONE;-60+-3dB,1KOHM,4.5V MIC1 411672000014 PWA;PWA-M762,LEGENDS,MOTHER BD 412999900037 MODEM OPTION;UNIVERSEL,MDC,M722 411672000016 PWA;PWA-M762,LEGENDS,MOTHER BD,S...
  • Page 116 M762 N/B Maintenance M762 N/B Maintenance 9. Spare Parts List - 7 Part Number Description Location(s) Part Number Description Location(s) 271071103302 RES;10K ,1/16W,5% ,0603,SMT R505,509,517,518,PR1,PR2,5 271071203101 RES;20K ,1/16W,1% ,0603,SMT 271071103302 RES;10K ,1/16W,5% ,0603,SMT PR19,PR513,PR8,R1,R10,R10 271071203101 RES;20K ,1/16W,1% ,0603,SMT PR533,R194,R595 271071106301 RES;10M ,1/16W,5% ,0603,SMT R555 271071221302 RES;22 ,1/16W,5% ,0603,SMT...
  • Page 117 M762 N/B Maintenance M762 N/B Maintenance 9. Spare Parts List - 8 Part Number Description Location(s) Part Number Description Location(s) 271071473301 RES;47K ,1/16W,5% ,0603,SMT R147,R206,R566,R57,R613 271611750301 RP;75*4 ,8P ,1/16W,5% ,0612,SMT RP501 271071499811 RES;49.9 ,1/16W,1% ,0603,SMT R166,R169 345668300006 RUBBER;LCD,HOPE 271071562301 RES;5.6K ,1/16W,5% ,0603,SMT R110,R558 371102610406 SCREW;M2.6L4,K-HEAD(+),NIB...
  • Page 118 M762 N/B Maintenance M762 N/B Maintenance 9. Spare Parts List - 9 Part Number Description Location(s) Part Number Description Location(s) 341668300003 SPRING;HEATSINK,CPU,HOPE 288202302001 TRANS;SI2302DS,N-MOSFET,SOT-23 PQ502,PQ512,PQ6,Q515 342668900001 STANDOFF;4-40L5.8,NIW FOR VGA CO 288104362001 TRANS;SI4362DY,N-HOSFET,S08 PU504,PU505 343668300006 STANDOFF;M/B-D/D,HOPE 288204800001 TRANS;SI4800DY,N-MOS,.0185OHM,SO PU502,1 341668300008 STANDOFF;MDC MODEM,NLK,HOPE 288204800001 TRANS;SI4800DY,N-MOS,.0185OHM,SO...
  • Page 120 MODEL :M762 Revision 0A Contexts TITLE PAGE History of Schematics COVER SHEET Rerision 00 BLOCK DIAGRAM 1.Component is too high;Change C44(22uF) to C654(22uF),C623.C624 form (220uF) to (100uF) 2.No VTT_GOOD signal;Change Q4 form (DTA144WK) to (DTC144TKA),R58 form (2.2K) to (1K) POWER BLOCK DIAGRAM 3.Improve Vcore voltage ripple;Add C644~C647.C651~C653(10uF)
  • Page 121 HOST CLK INTEL MOBILE M762 Block Diagram PCI CLK CLK SYN PIII/Celeron/ CKM133 14.318MHZ TUALATIN ICS950104 48MHZ uFCPGA-478 SDRAM SH13 144 PIN DIMM SOCKET ON BOARD SDRAM PWR ON SH4-5 +5V_CD ADINP VMAIN D/D BOARD CLK BUF D/D BOARD +12V...
  • Page 122 BLOCK DIAGRAM OF THE M762 S1.8V 2.5V +S3V_P Regulator Regulator D/CPU_PWR_ON AO3400 AO3400 PWR_ON DC/DC BOARD * OPTION(NO LINK) +1.5V_SYS 200mA Shut Down D/VMAIN Self- VCC_CORE CPU(FOR G) 20A Diode MOSFET I_Limit 1.8V 2.5A ADAPTOR discharge Protector 3.3V DC to DC Convertor...
  • Page 123 CPU(1) VCC_CMOS1.5V R539 R545 0603D 0603D VCC_CORE U507B AD19 PICD0 VCC_0 U507A R127 HD#[0..63] AD17 HA#[3..31] HD#[0..63] (6) PICD1 VCC_1 HD#0 HA#3 AF20 (13) APICCLK PICCLK VCC_2 HD#1 HA#4 VCC_3 HA#5 HD#2 26.7 0603 1% R128 AF22 BP2# VCC_4 HA#6 HD#3 AE20 BP3#...
  • Page 124 CPU(2) 0603 time delay for VTT_PWRGOOD after VTT 1mS VTT_GOOD 0603 BAV70LT1 SOT23N MMBT3906L Layout Note: DTC144TKA PLACE CLOSE TO CPU; 0603 4.7U 1206 PLACE 12 CAPS UNDER CPU. VCC_CORE 4.7K U507D 0603 VCCT_1 NC12 U507C C124 C105 AF17 VCCT_2 NC13 0.22U 0.22U...
  • Page 125 R534 0603 0603 C551 C550 GTLREFB C138 C123 GTLREFA 0.01U 0.1U 0.01U 0.1U 0603 0603 0603 0603 MDR[0..63] (11) R535 C552 C549 1000P 1000P 0603 0603 0603 0603 10%,X7R 10%,X7R U509A GTLREFA GTLREFA GTLREFB GTLREFB AE24 VSSQA CSA#[5] AG24 VSSQB CSA#[4] CS#3 CS#0...
  • Page 126 U509E AA11 OVDD0 VSS0 +1.8V AA12 OVDD1 VSS1 R119 AA13 OVDD2 VSS2 AA18 OVDD3 VSS3 AA19 OVDD4 VSS4 0603 AA20 (14,19,20) AD[0..31] OVDD5 VSS5 C148 C153 C157 AA22 OVDD6 VSS6 1000P 0.1U AB12 OVDD7 VSS7 0603 0603 1206 AB19 OVDD8 VSS8 10%,X7R AB21...
  • Page 127 RP521 22*4 1206 1 B3_301 ICVCC VBCLK VBCLK630S B2_301 120OHM/100MHZ 120Z/100M 1608 TP520 B6_301 TP16 G3_301 C171 TP519 0603 0.01U 0.1U 1206 0603 0603 RP524 22*4 1206 G7_301 120OHM/100MHZ BEAD_120Z/100M TP15 G6_301 0805C TP14 G5_301 75/NA G2_301 R235 0603 RP522 22*4 1206 R7_301...
  • Page 128 LCD_ID0 R124 100K 0603 LCD_ID1 R123 100K 0603 RP10 ASDIN1 R569 100K 0603 LAD0 U509D ASDIN0 R200 100K 0603 LAD1 SPKR LAD0 LAD2 ASDOUT R204 100K/NA 0603 (15) SPKR LAD0 PSON# LAD1 ASYNC R193 100K/NA 0603 LAD3 (23) PSON# PSON# LAD1 ACPILED LAD2...
  • Page 129 2M X 16 BITS X 4 BANK X 8 = 128M BYTES MD[0..63] MD[0..63] (11) MD[0..63] MD[0..63] (11) MAB#0 MAB#0 MD16 (6,11) MAB#0 MAB#1 MAB#1 MD17 U501 U504 (6,11) MAB#1 MAB#2 MAB#2 MD18 MAB#0 MAB#0 MD16 (6,11) MAB#2 MAB#3 MAB#3 MD19 MAB#1 MAB#1...
  • Page 130 144 PIN SODIMM SOCKET MD[0..63] +S3V +S3V J502 CLOSE TO RECEIVER MD32 MDR[0..63] MD[0..63] MD33 MD[0..63] (10) MDR[0..63] MD34 MDR31 MD31 MD35 MDR63 MD63 RP507 MDR30 MD30 MD36 10*8 MDR29 MD29 MD37 RP_16P8R_4016 MDR58 MD58 MD38 MDR62 MD62 MD39 MDR61 MD61 MDR28 MD28...
  • Page 131 LCD CONNECTOR LCD Panel ID Section +12V Hyundai C510 0.1U HT12X11-200 0603 470K Mitsubishi 0603 Q518 121XG02 NDS9410 4.7K HannStar LCD_ID1 0603 1000P 0.1U HSD121PX11-A 0603 0603 2N7002 10%,X7R LCD_ID0 FPVCC Sanyo TM121XG-02L02A 0603 0603 BEAD_120Z/100M 0805C MINISMDC110 C507 C506 0.1U 0.1U 0603...
  • Page 132 CLOCK SYNTHESIZER AND DRIVER R637 0603 R638 0603 R641 L508 R639 VDDSDR1 0603 VTTPWRGD VTT_GOOD (5) 120Z/100M 1608 10K/NA 0603 R640 0603 DTC144TKA C532 C535 C536 C537 0.1U 0.1U 0.01U 4.7U/NA 0603 0603 0603 0805 0603 +80-20% Near Target Chip L506 CPUV VDDAVDD...
  • Page 133 RP17 CCLKRUN# CARD_VCC CAD9 CC/BE1# CAD12 CPAR CAD14 CFRAME# CCLK 10K*8/NA RPSOE_10 +S3V CARD_VCC R197 8.2K R2_A18 FOR TI 1410 R149 R153 0603 0/NA 0603 VCC5_EN# 0603 R196 8.2K CAD16 PCIRST# R158 VCC3_EN# 0603 (7,8,12,16,17,19,20) PCIRST# VPPD0 0603 VPPD1 R210 8.2K CAD19 0603...
  • Page 134 R174 R188 120Z/100M 6.8K 6.8K 1608 AVDDAD +12V U517 L78L05ACU ABITCLK JS502 SOT89N Close to Codec Close to Codec Close to 78L05 C571 SHORT-SMT4 0603 C217 C246 C247 C627 C628 C625 C621 10U/NA 0.1U 0.1U 0.1U 0.1U 0.1U 1206 0603 0603 0603 0603...
  • Page 135 SUPER I/O CFG0=LOW (DEFAULT): 16 BIT ADDRESS DECODE C128 0.1U 0.1U 0.1U 0.1U CFG1=HIGH (10K PULL-HIGH): 11-BIT ADDRESS/COM2 0603 0603 0603 0603 STRAP OPTION LAD[0..3] -COM1DCD XCNF2 XCNF1 XCNF0 FUNCTIONALITY LAD[0..3] -COM1DSR LAD0 COM1RXD LAD0 PD0/INDEX# LAD1 -COM1RTS NO BIOS LAD1 PD1/TRK0# LAD2...
  • Page 136 R105 H8_SMI# EXTSMI# H8_PCIRST# (7,8,12,14,16,19,20) PCIRST# LID_OPEN# 0603 H8_THRM# (9,18) THRM# R220 H8_KBCS# (16,18) KBCS# H8_MCCS# (16) MCCS# 0603 PME# H8_PME# DTC144WK (14,19) PME# 0603B_DFS BAT_CLK# (18) THRM_CLK 0603B_DFS BAT_DATA# (18) THRM_DATA MPU-101-80 TP10 BEAD_DFS VDD5_SW# (23) VDD5_SW# 1OE# 0603B_DFS H8AGND 2OE# RLS4148...
  • Page 137 SD[0..7] (16,17) SD[0..7] SYSTEM BIOS RP15 (+3VS) P_GNT2# (7,19) DEVSEL# audio (7,14,19,20) DEVSEL# P_GNT1# (7,20) STOP# IRDY# IRDY# (7,14,19,20) (7,14,19,20) STOP# PLOCK# SD[0..15] SA[0..17] PLOCK# THRM# (9,17) SD[0..7] (16,17) SA[0..17] (16,17) TRDY# (+3VS) U512 (7,14,19,20) TRDY# 10K*8 RPSOE_10 (+3VS) (+3VS) (+5VS) RP13 1206...
  • Page 138 +VCC3_1394 +VCC3_1394 +PHY_AVDD +VCC3_1394 C181 0.1U SHORT-SMT4 0603 (7,14,20) AD[0..31] PCI_VIOS R173 PCI_AD0 PCI_AD1 +VCC3_1394 1M/NA 0603 PCI_AD2 PCI_AD3 PCI_AD4 C199 0.1U PCI_AD5 PCI_AD6 RESETN PCI_AD7 C178 R172 0603 C177 24.576MHZ C179 C188 C193 C203 C205 C204 C175 PCI_AD8 0.1U 0.1U 0.1U 0.1U...
  • Page 139 +S3V +S3V +S5V +S5V +S5V R142 R140 R132 4.7K C187 C189 C192 R178 120Z/100M 0603 0.1U R166 R169 1608 0603 0603 0603 0603 0603_DFS 0603_DFS 49.9 49.9 TPO+ PJTX+ PJTX- EECS CHOKE_PLP3216S_BLM EESK PLP3216S PJRX+ EEDI C166 EEDO 0.1U PJRX- 0603 NM93C46M8 TPO-...
  • Page 140 U513 TDD0 STDD0 CDROM FFC CONNECTOR TDD1 STDD1 R558 STDD2 TDD2 TDD3 STDD3 TDD4 STDD4 R591 5.6K 0603 TDD5 STDD5 Layout Note: 0603 TDD6 STDD6 TDD7 STDD7 TDD8 STDD8 W/S=16/12/12/16 mils PDDREQ J507 TDD9 STDD9 RDDREQ PDD[0..15] PDD[0..15] (15) CDROM_LEFT PDD4 RDD4 RP518...
  • Page 141 VDD5 VDD5S SI2301DS 0.1U/NA 470K SOT23_FET 0603 0603 PD508 ADEN# (16,17) RLS4148 MLL34B +S5V_P +S3V PC522 PC517 0.1U PR525 1210 0603 2512 0/NA 470P 0603 0603 DTC144TKA VDD5 PR19 SENSE- 120P PU506 0603 0603 AO6401 PDRV TSOP6 SYNC/MODE RUN/SS PR20 PL505 LTC1622 0603...
  • Page 142 +S3V +S1.8V PC503 PQ502 +S3V_P AO3400 0805 SOT23_FET JO503 OPEN-SMT4 PU502 PC545 PL503 0805C AO6400 BEAD_120Z/100M TSOP6 0805 +S5V_P +S5V_P PC516 PL502 PR502 BEAD_120Z/100M 4.53K 0805C 0603 PC520 PC506 PC504 PC507 0.1U PR508 0.1U 0603 1000P 0805 0805 0603 PC505 0603 0603 +S12V...
  • Page 143 BEAD 0805C VMAIN BEAD 0805C PC521 PC514 PC527 PC532 PC13 0.1U 1812 0.01U 0603 1210 1210 0603 PR17 0603 PR25 PR11 (16,22) D/CPU_PWR_ON 1000P 1000P 0603 PR18 0603 0603 VCC_CORE PU508 PU509 0603 PR14 SI4892DY SI4892DY 10/NA 10/NA 0603 PR31 .004 PC20 PC539...
  • Page 144 +5V_USB 30Z/100M 2012 1000P/NA 0603 CUSB_GND L529 CUSBPD1- BEAD_120Z/100M/NA MA/4PX1/1.25MM 0805C CONN_DF13H_4 GND1 GND1 GND2 GND2 L501 HDR/4PX1 120Z/100M BERG 87520 CORE_ACM2520U JS503 CGND SHORT-SMT4 L502 CUSBPD1+ BEAD_120Z/100M/NA 0805C SHORT-SMT4 CGND CUSB_GND C649 C501 0603 0603 CUSB_GND CDROM FFC CONNECTOR CONN_SFVHR_50 FPC/FFC-50P/0.5MM GND2...
  • Page 145 J512 MCDROM_LEFT MCDROM_RIGHT MCD_COMM MQ_IDE_RST# MQ_IDEPD8 MQ_IDEPD7 MQ_IDEPD9 MCDROM_LEFT MQ_IDEPD6 MQ_IDEPD10 MCDROM_RIGHT MQ_PIRQ14 MQ_IDEPD5 MQ_IDEPD11 MCD_COMM MQ_IDEPD4 MQ_IDEPD12 MQ_IDE_RST# MQ_IDEPA1 MQ_IDEPD3 MQ_IDEPD13 MQ_IDEPD8 MQ_IDEPDIAG# MQ_IDEPD7 MQ_IDEPA0 MQ_IDEPD2 MQ_IDEPD14 MQ_IDEPD9 MQ_IDEPA2 MQ_IDEPD1 MQ_IDEPD15 MQ_IDEPD0 MQ_PDREQ MQ_IDEPD6 MQ_PCS1# +5V_MCD MQ_PCS3# MQ_PIOR# MQ_IDEPD10 MCD_LED# MQ_PIOW# MQ_IDEPD5...
  • Page 146 M762 MDC/ LAN TRANSFER BD L526 1000Z/100M/NA RJ-11 120Z/100M 2012 1608 C640 1000P 1808 S501 Protector 50UH 1808A ST/MA-2 CHOKE_WLT04020201 GND1 GND1 HIROSE GND2 GND2 DF13-2P-1.25V CONN_DF13V_2 C641 291000410201 1000P 1.016MM/H8.6 1808 331810006044 L528 CONN_PJS-OST_2 F502 MDC JUMP WIRE CONNECTOR...
  • Page 147 PAGE01 CHARGER PAGE02 BATT SELECTOR_DISCHARGE PAGE03 DD_BD 3V_5V_12V PAGE04 CRT/USB PAGE05 POWER BLOCK DIAGRAM       4   =; 776/  +   7<7     <   7 6 7     7? 7       6...
  • Page 148 @ ?  1  9  6 7?3  1     1   :3 7    :3 7  4 <   3  0    :3 6 7    ? :3 7 1     =;  ;7 1   =; 2 :97; ;/    7<7  32 :3 2   7 ...
  • Page 149  7 1   6  =;   7  ? 6  6 7 7     =;  @ 3  7 4713         7 3  =;  6/ 7   7   7 7     7 67 =7...
  • Page 150  : 7  : 7 471 413/ <7   1  : < =;      7 / 9  =; / 0 @ 5 413/  < 7   7  1? 6 7  <  =;   1;7 /? 9   9   >   / 0...
  • Page 151 POWER DIAGRAM OF THE M722 PWR_ON PU503 MAX1632 VCC3 VCC25 Switch Shut Down SI4800DY Protecter MOSFET 3.3V DC to DC Convertor PU501 Diode ADAPTOR SI4835DY PD502 PU506 VCC5 VCC12 HA178L12 5V DC to DC Convertor Vadj Discharge VMAIN PWR_ON Switch SI4835DY Discharge PWR ON...

  • Page 152: Reference Material

    Reference Material Intel Mobile Pentium III-M uFC-PGA478 Processor Intel, INC SiS630ST Slot1/Socket370 2D/3D Ultra AGP™ SiS, INC Single Chipset TI, INC PCI1410 PCMCIA Controller FW323 IEEE1394 Controller NEC, INC M762 Hardware Engineering Specification Technology Corp./MiTAC...
  • Page 153 SERVICE MANUAL FOR M762 SERVICE MANUAL FOR SERVICE MANUAL FOR M762 Sponsoring Editor : Jesse Jan Author : Sissel Diao Assistant Editor : Janne Liu Publisher : MiTAC International Corp. Address : 1, R&D Road 2, Hsinchu Science-Based Industrial, Hsinchu, Taiwan, R.O.C.

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