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MiTAC 8355 service manual Bottom View, Top View

Models: 8355

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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 MaintenanceTrouble Shooting ……………………………………………………………………………………… Audio Failure ………….…………………………………………………………………………………………… Introduction Hardware Engineering Specification8355 N/B Maintenance CPU System Hardware PartCompatible with Existing 32-bit Code Base CPU ClawHammer ProcessorAMD x86-64 Technology Integrated Memory ControllerHyperTransport. Technology to I/O Devices Power ManagementKbyte 2-way Associative ECC-Protected L1 Data Cache Way Associative ECC-Protected L2 CachePower Supplies Electrical InterfacesPackaging System frequency synthesizerICS950402 System frequencyProgrammable Timing Control Hub AMD-K8 processor Recommended ApplicationFeatures 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 DescriptionDual Display Support High Performance Memory SupportIdeal 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 CompatibilityModulation Dtmf signal level Error CorrectionData Compression DTE interface Dtmf Tone FrequencyHigh 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 FeaturesTimer MemoryInterface Ports ConverterOther features Power-down modesInterrupts Wait controlFeatures 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 ControllerPin Lqfp / 209-ball Lfbga package for CB710 PCI Interface CardBus InterfaceSmart Card Interface Memory Stick Interface Secure Digital InterfacePower Management Control Logic Interrupt configurationStick interface SmartMedia InterfaceMisc Control Logic Supports Zoomed Video port Power Switch InterfaceOutstanding 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 modeFan power on/off management LED Indicators7 I/O Port Cmos BatteryMini PCI type III BBattery current limit and learning ROM Drive Peripheral ComponentsSystem Management Mode Power ManagementFull on mode Doze ModeSuspend to HDD Suspend to DramHDD & Video Access Other Power Management FunctionsAppendix 1 VT 8235 Gpio Definition To the previous table Shadowed block is the selected function Appendix 2 H8 Pins DefinitionCharging KB OUT8 Ilimit ↑ Pull High ↓ Pull Low →3V Level shift CPU Appendix 3 8355 product specAC adapter FCC, CE, UL, TUV, CB, Bsmi System View System View and DisassemblyFront View Left-side ViewRear View Right-side ViewTop View Bottom ViewSystem Disassembly DDR Sdram Battery Pack DisassemblyReassembly Remove three screws KeyboardSlide out the keyboard cover Disconnect the cable from system board. Figure Remove four screws 3 CPUDisconnect the fan’s cord 11 Remove HDD compartment HDD Module13 slide out the hard disk drive 15 Remove the CD/DVD -ROM drive 5 CD/DVD-ROM Drive16 Remove the SO-DIMM SO-DIMM17 Remove two screws LCD Assembly19 Remove the hinge cover 21 Remove the LCD assembly 22 Unscrew four screws Inverter Board8355 N/B Maintenance 24 Separate the LCD panel LCD Panel8355 N/B Maintenance 26 Unscrew nine screws System Board28 Remove the top cover Unscrew one screw and disconnect fan’s cord. Figure Reassembly 32 Remove the modem card Modem Card33 Free the touch pad Touch Pad8355 N/B Maintenance Main Board Side a Definition & Location of Connectors / SwitchesVR1 Volume Controller Definition & Location of Connectors/ SwitchesMain 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 ContinueHyperTransport Technology AMD Athlontm 64 Processor-2Debug MiscellaneousK8T800MVT8385 North Bridge-1 Hyper Transport transmit InterfaceHyper Transport Receive Interface Hyper Transport Control K8T800MVT8385 North Bridge-2Link Interface AGP Bus InterfaceGirdy GIRDY# K8T800MVT8385 North Bridge-3K8T800MVT8385 North Bridge-4 Clock, Reset, Power Control and TestVT8235 South Bridge-1 Advanced Programmable Interrupt Controller APICInterfaceStraps CPU Speed Control Interface VT8235 South Bridge-2Low Pin Count LPCInterface CPU InterfaceVT8235 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 InterfaceUltraDMA-133 /100 /66 /33 Enhanced IDE Interface VT8235 South Bridge-5UltraDMA-133 /100 /66 /33 Enhanced IDE Interface Continue Serial IRQVT8235 South Bridge-6 Resets,Clocks,and Power StatusGeneral Purpose Inputs General Purpose Inputs ContinuePower 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 InterfaceISA Subset /Parallel Bios ROM Interface Power and Ground ContinueVT8235 South Bridge-9 System Management Bus SMBInterface I 2 CBusSystem Block Diagram U503U506 Maintenance Diagnostics Code Post Routine Description Error Codes118 Debug Tool Diagnostic Tool for Mini PCI SlotDiagnostic Tool for PIO Port Trouble Shooting +1.25VSREFMEM No Power+1.2VLDTA Agpvddq PJ502 No power Adinp Battery Can not Be ChargedBattery can not Charge System Clock Check No DisplayNo Display System Failure Reset Circuit Checking1No Display System Failure Reset Circuit Checking2No Display Parts SignalsU9 P6 AGP Controller Failure LCD No DisplayCharge BD J2,J3 are cold colder? AGP Controller FailureJ503 External Monitor No DisplayDisplay Yes OK? Replace faulty monitor Symptom The extend DDR RAM is failure or system hangs up Memory Test ErrorParts Memory Test ErrorKey Board Controller Keyboard K/B Touch-Pad T/P Test ErrorTest Yes Ok? Replace the faulty Keyboard or Touch-Pad Keyboard or Touch-Pad Test ErrorHard Disk Driver Test Error Hard Driver Test Error Hard Disk Driver Test ErrorJ530 CD-ROM Driver Test ErrorCD-ROM Driver Test Error Symptom An error occurs when a USB I/O device is installed USB Test ErrorU501 PartsSignals USB Test ErrorPC-Card Socket Failure Symptom An error occurs when a PC card device is installedPC Card Test Error Memory-Card Socket Failure Memory-Card Socket Failure Memory Card Test ErrorSymptom An error occurs when IEEE1394 device is installed IEEE1394 Test ErrorTest Error Symptom An error occurs when LAN device is installed LAN Test ErrorCorrect it LAN Test ErrorInput Of Audio Subsystem Audio FailureOutput Of Audio Subsystem Audio Drive Failure Part Number Description LocationS Spare Part List-1Spare Part List-2 CFM-BATFUSE Thermal 98C Spare Part List-3DIODEBAV70LT1,70V,225MW,SOT-23 Spare Part List-4DVD Combo DRIVE8X24X10X24X,SBW Spare Part List-5ICEM6A9320BI-3.6M,DDR SDRAM,4MX Spare Part List-6ICVT8235,SOUTH BRIDGE,BGA,487P Spare Part List-7Spare Part List-8 LABELSOFTWARE,INSYDE BIOS-MRELAYREED,200V,.5A,NORMAL Open SW1 Spare Part List-9RES2M Spare Part List-10RP7,RP8 Spare Part List-11RP6,RP9 Spare Part List-12TRANSDTC144WK,NPN,SOT-23,SMT Spare Part List-13Spare Part List-14 WIRE#28,UL1061,40MM,BLUE,PRCPage Page Model Memresetl CPURESET# CPURESET# 3,12 DDRRASB#CPURESET# CorefbhVID0 NBLDTRST# CPURESET#VID1 VID2DIMM-SLOT & Termination K8T400M- VT8385 H8RESET# FS0 14MSBIOSCACPOWER# H8RESET# BATTG#M10GPIO0 AGPRESET#M10GPIO4 M10GPIO5ATI M10-P2/4 MEMAMA2 MEMAMD2MEMAMD0 VMDA0 MEMAMD0VMDA0 VMA0 VMA0VMB0 VMDB0 VMDB32 VMA1 VMDA1 VMDA33 VMA2Crtgreen Crtin+PANELVDD PANELID0 PANELID2 PANELID3VT8235 1/3- PCI & USB VT8235 2/3- IDE & AC97 VT8235 3/3- VLINK&LAN IDEDPDD1 HDPDD2 IDEDPDD0IDEDPDD2 HDPDD3 IDEDPDD3 HDPDD4POWERONRESET# CAD11 CVS1 CARDRESET#CAD1 CAD2Wirelesspd MINIPCIGPORESET#SDCD# GND SDWP# SDWP# SDDATA1 LEDCL190 SDDATA0 Sdclk Sdcmd SDDATA3 SDDATA2TPA0N PCIAD4 PCIAD1TPA0P TPB0PLANMRXDV2 LANPHYRESET#PJTX+ LANTX+Micint Avdd MicvrefMicext AC97SDOUT AC97SDIND0DEVICEDECT# Audiomute AmpmuteDECTHP#/OPT SpdifoutLPCSPIORESET# LPCFRAME# LPCSPIORESET# PD6INIT# PIOD/INT#SCI#/FANSWITCH H8WAKEUP# Tclkd H8RESET#H8ENABKL H8RESET# SCI#/FANSWITCHUSBOC5# USBOC2# USBOC0# USBOC2#USBP0P USBP2PSD2 SA2 PCIGNT#4 SD3 SA3 PCIGNT#5 PCICARDBUSGNT#0 SA0 SD1 SA1SD4 SA4 SD6 SA6OD5 OD3Pgvcccore PWRONM9+2.5VS&+1.25VS&+1.8V&+1.2V DVMAINP2 +3VS / +5VSVOSENSE1 VOSENSE2For M10 +1.2V&+1.0V ADP1 AdinpBatt IlimitLiovp Adinp BattLiovp Charging BattdeadPVID0 VMAINP3PVID1 PVID2Reference Material Tel Fax Second Edition Nov Mail Willy .Chen @ mic.com.tw