Bottom View, Top View | MiTAC 8355 guide

8355 N/B MAINTENANCE

2.1.5 Bottom View

1CPU Cover

2Hard Disk Drive Cover

2.1.6 Top View

1Stereo Speaker

2Touch Pad

3Power Button

4Keyboard

5Device Indicators

6LCD Screen

68

Image 69

MiTAC 8355 service manual Bottom View, Top View

Contents

8355 Contents 8355 N/B Maintenance Trouble Shooting ……………………………………………………………………………………… Audio Failure ………….…………………………………………………………………………………………… Introduction Hardware Engineering Specification 8355 N/B Maintenance CPU System Hardware Part Compatible with Existing 32-bit Code Base CPU ClawHammer ProcessorAMD x86-64 Technology Integrated Memory Controller HyperTransport. Technology to I/O Devices Power ManagementKbyte 2-way Associative ECC-Protected L1 Data Cache Way Associative ECC-Protected L2 Cache Power Supplies Electrical InterfacesPackaging System frequency synthesizerICS950402 System frequencyProgrammable Timing Control Hub AMD-K8 processor Recommended Application Features VIA K8T800+VT8235 3.1 K8T800High Performance K8 CPU Interface Full Featured Accelerated Graphics Port AGP 8x Controller 8355 N/B Maintenance 3.2 VT8235 8355 N/B Maintenance Smartshader Advanced Shader Technology General Description Dual Display Support High Performance Memory Support Ideal for Windows 2000 and Windows XP General and Interfacing Features 8355 N/B Maintenance 8355 N/B Maintenance 5 AC’97 Audio System C-MEDIA Electronics INC., CMI9738-S 8355 N/B Maintenance MDC PCTel Modem Daughter Card PCT2303W Compatibility Operating System Compatibility Modulation Dtmf signal level Error CorrectionData Compression DTE interface Dtmf Tone Frequency High group 10+/-2dBm Low group 12+/-2dBm Transmit Level 7 VT6307L PCI 1394a Integrated Host Controller OverviewIntegrated 400 Mbit 2-Port PHY 8355 N/B Maintenance Embedded CONTROLLER-H8 Main Features Timer MemoryInterface Ports Converter Other features Power-down modesInterrupts Wait control Features System Flash Memory Bios Memory System64MB, 128MB, 256MB, 512MB x64 200-Pin DDR Sdram SODIMMs 11 VT6103 Fast Ethernet 10/100 1-PORT PHY/TRANSCEIVER 3V operation with 5V tolerant Cardbus/MediaReader Controller Pin Lqfp / 209-ball Lfbga package for CB710 PCI Interface CardBus InterfaceSmart Card Interface Memory Stick Interface Secure Digital Interface Power Management Control Logic Interrupt configurationStick interface SmartMedia Interface Misc Control Logic Supports Zoomed Video port Power Switch Interface Outstanding Features SuperI/O-PC87393General Description 8355 N/B Maintenance Keys Feature Meaning Combination Other FunctionsHot Key Function Cover Switch Power ON/OFF/Suspend/Resume ButtonAPM mode Acpi mode Fan power on/off management LED Indicators 7 I/O Port Cmos Battery Mini PCI type III BBattery current limit and learning ROM Drive Peripheral Components System Management Mode Power ManagementFull on mode Doze Mode Suspend to HDD Suspend to Dram HDD & Video Access Other Power Management Functions Appendix 1 VT 8235 Gpio Definition To the previous table Shadowed block is the selected function Appendix 2 H8 Pins Definition Charging KB OUT8 Ilimit ↑ Pull High ↓ Pull Low →3V Level shift CPU Appendix 3 8355 product spec AC adapter FCC, CE, UL, TUV, CB, Bsmi System View System View and DisassemblyFront View Left-side View Rear View Right-side View Top View Bottom View System Disassembly DDR Sdram Battery Pack DisassemblyReassembly Remove three screws Keyboard Slide out the keyboard cover Disconnect the cable from system board. Figure Remove four screws 3 CPU Disconnect the fan’s cord 11 Remove HDD compartment HDD Module 13 slide out the hard disk drive 15 Remove the CD/DVD -ROM drive 5 CD/DVD-ROM Drive 16 Remove the SO-DIMM SO-DIMM 17 Remove two screws LCD Assembly 19 Remove the hinge cover 21 Remove the LCD assembly 22 Unscrew four screws Inverter Board 8355 N/B Maintenance 24 Separate the LCD panel LCD Panel 8355 N/B Maintenance 26 Unscrew nine screws System Board 28 Remove the top cover Unscrew one screw and disconnect fan’s cord. Figure Reassembly 32 Remove the modem card Modem Card 33 Free the touch pad Touch Pad 8355 N/B Maintenance Main Board Side a Definition & Location of Connectors / Switches VR1 Volume Controller Definition & Location of Connectors/ Switches Main Board Side B Definition & Location of Major Components U517 TPA0202 Audio Amplifier U518 CMI9738 Audio Codec AMD Athlontm 64 Processor-1 Pin Descriptions of Major ComponentsDDR Sdram Memory Interface DDR Sdram Memory Interface Continue HyperTransport Technology AMD Athlontm 64 Processor-2Debug Miscellaneous K8T800MVT8385 North Bridge-1 Hyper Transport transmit InterfaceHyper Transport Receive Interface Hyper Transport Control K8T800MVT8385 North Bridge-2Link Interface AGP Bus Interface Girdy GIRDY# K8T800MVT8385 North Bridge-3 K8T800MVT8385 North Bridge-4 Clock, Reset, Power Control and Test VT8235 South Bridge-1 Advanced Programmable Interrupt Controller APICInterfaceStraps CPU Speed Control Interface VT8235 South Bridge-2Low Pin Count LPCInterface CPU Interface VT8235 South Bridge-3 PCI Bus InterfacePCI Bus Interface Continue LAN Controller -Media Independent Interface MII VT8235 South Bridge-4General Purpose I/O Universal Serial Bus 2.0 Interface UltraDMA-133 /100 /66 /33 Enhanced IDE Interface VT8235 South Bridge-5UltraDMA-133 /100 /66 /33 Enhanced IDE Interface Continue Serial IRQ VT8235 South Bridge-6 Resets,Clocks,and Power StatusGeneral Purpose Inputs General Purpose Inputs Continue Power Management and Event Detection Power Management and Event Detection ContinueVT8235 South Bridge-7 VT8235 South Bridge-8 Power and GroundInternal Keyboard Controller AC97 Audio /Modem Interface ISA Subset /Parallel Bios ROM Interface Power and Ground ContinueVT8235 South Bridge-9 System Management Bus SMBInterface I 2 CBus System Block Diagram U503U506 Maintenance Diagnostics Code Post Routine Description Error Codes 118 Debug Tool Diagnostic Tool for Mini PCI Slot Diagnostic Tool for PIO Port Trouble Shooting +1.25VSREFMEM No Power +1.2VLDTA Agpvddq PJ502 No power Adinp Battery Can not Be Charged Battery can not Charge System Clock Check No Display No Display System Failure Reset Circuit Checking1 No Display System Failure Reset Circuit Checking2 No Display Parts Signals U9 P6 AGP Controller Failure LCD No Display Charge BD J2,J3 are cold colder? AGP Controller Failure J503 External Monitor No Display Display Yes OK? Replace faulty monitor Symptom The extend DDR RAM is failure or system hangs up Memory Test Error Parts Memory Test Error Key Board Controller Keyboard K/B Touch-Pad T/P Test Error Test Yes Ok? Replace the faulty Keyboard or Touch-Pad Keyboard or Touch-Pad Test Error Hard Disk Driver Test Error Hard Driver Test Error Hard Disk Driver Test Error J530 CD-ROM Driver Test Error CD-ROM Driver Test Error Symptom An error occurs when a USB I/O device is installed USB Test Error U501 PartsSignals USB Test Error PC-Card Socket Failure Symptom An error occurs when a PC card device is installed PC Card Test Error Memory-Card Socket Failure Memory-Card Socket Failure Memory Card Test Error Symptom An error occurs when IEEE1394 device is installed IEEE1394 Test Error Test Error Symptom An error occurs when LAN device is installed LAN Test Error Correct it LAN Test Error Input Of Audio Subsystem Audio Failure Output Of Audio Subsystem Audio Drive Failure Part Number Description LocationS Spare Part List-1 Spare Part List-2 CFM-BATFUSE Thermal 98C Spare Part List-3 DIODEBAV70LT1,70V,225MW,SOT-23 Spare Part List-4 DVD Combo DRIVE8X24X10X24X,SBW Spare Part List-5 ICEM6A9320BI-3.6M,DDR SDRAM,4MX Spare Part List-6 ICVT8235,SOUTH BRIDGE,BGA,487P Spare Part List-7 Spare Part List-8 LABELSOFTWARE,INSYDE BIOS-M RELAYREED,200V,.5A,NORMAL Open SW1 Spare Part List-9 RES2M Spare Part List-10 RP7,RP8 Spare Part List-11 RP6,RP9 Spare Part List-12 TRANSDTC144WK,NPN,SOT-23,SMT Spare Part List-13 Spare Part List-14 WIRE#28,UL1061,40MM,BLUE,PRCPage Page Model Memresetl CPURESET# CPURESET# 3,12 DDRRASB#CPURESET# Corefbh VID0 NBLDTRST# CPURESET#VID1 VID2 DIMM-SLOT & Termination K8T400M- VT8385 H8RESET# FS0 14MSBIOSCACPOWER# H8RESET# BATTG# M10GPIO0 AGPRESET#M10GPIO4 M10GPIO5 ATI M10-P2/4 MEMAMA2 MEMAMD2MEMAMD0 VMDA0 MEMAMD0 VMDA0 VMA0 VMA0VMB0 VMDB0 VMDB32 VMA1 VMDA1 VMDA33 VMA2 Crtgreen Crtin+PANELVDD PANELID0 PANELID2 PANELID3 VT8235 1/3- PCI & USB VT8235 2/3- IDE & AC97 VT8235 3/3- VLINK&LAN IDEDPDD1 HDPDD2 IDEDPDD0IDEDPDD2 HDPDD3 IDEDPDD3 HDPDD4 POWERONRESET# CAD11 CVS1 CARDRESET#CAD1 CAD2 Wirelesspd MINIPCIGPORESET#SDCD# GND SDWP# SDWP# SDDATA1 LEDCL190 SDDATA0 Sdclk Sdcmd SDDATA3 SDDATA2 TPA0N PCIAD4 PCIAD1TPA0P TPB0P LANMRXDV2 LANPHYRESET#PJTX+ LANTX+ Micint Avdd MicvrefMicext AC97SDOUT AC97SDIND0 DEVICEDECT# Audiomute AmpmuteDECTHP#/OPT Spdifout LPCSPIORESET# LPCFRAME# LPCSPIORESET# PD6INIT# PIOD/INT# SCI#/FANSWITCH H8WAKEUP# Tclkd H8RESET#H8ENABKL H8RESET# SCI#/FANSWITCH USBOC5# USBOC2# USBOC0# USBOC2#USBP0P USBP2P SD2 SA2 PCIGNT#4 SD3 SA3 PCIGNT#5 PCICARDBUSGNT#0 SA0 SD1 SA1SD4 SA4 SD6 SA6 OD5 OD3Pgvcccore PWRONM9 +2.5VS&+1.25VS&+1.8V&+1.2V DVMAINP2 +3VS / +5VSVOSENSE1 VOSENSE2 For M10 +1.2V&+1.0V ADP1 AdinpBatt Ilimit Liovp Adinp BattLiovp Charging Battdead PVID0 VMAINP3PVID1 PVID2 Reference Material Tel Fax Second Edition Nov Mail Willy .Chen @ mic.com.tw