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MiTAC 8355 service manual Trouble Shooting

Models: 8355

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8355 N/B MAINTENANCE

8. Trouble Shooting

8.1No Power

8.2Battery Can not Be Charged

8.3No Display

8.4AGP Controller Failure LCD No Display

8.5External Monitor No Display

8.6Memory Test Error

8.7Keyboard and Touch Pad Test Error

8.8Hard Disk Drive Test Error

8.9CD-ROM Driver Test Error

8.10USB Port Test Error

8.11PC Card Socket Test Error

8.12Memory-Card Socket Failure

8.13IEEE1394 Test Error

8.14LAN Test Error

8.15Audio Failure

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MiTAC 8355 service manual Trouble Shooting

Contents

8355 8355 N/B Maintenance ContentsTrouble Shooting ……………………………………………………………………………………… Audio Failure ………….…………………………………………………………………………………………… Hardware Engineering Specification Introduction8355 N/B Maintenance System Hardware Part CPUAMD x86-64 Technology CPU ClawHammer ProcessorCompatible with Existing 32-bit Code Base Integrated Memory ControllerKbyte 2-way Associative ECC-Protected L1 Data Cache Power ManagementHyperTransport. Technology to I/O Devices Way Associative ECC-Protected L2 CachePackaging Power SuppliesElectrical Interfaces Programmable Timing Control Hub AMD-K8 processor System frequencySystem frequency synthesizerICS950402 Recommended ApplicationFeatures High Performance K8 CPU Interface VIA K8T800+VT82353.1 K8T800 Full Featured Accelerated Graphics Port AGP 8x Controller 8355 N/B Maintenance 3.2 VT8235 8355 N/B Maintenance General Description Smartshader Advanced Shader TechnologyHigh Performance Memory Support Dual Display 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 Operating System Compatibility CompatibilityModulation Data Compression Error CorrectionDtmf signal level DTE interface Dtmf Tone FrequencyHigh group 10+/-2dBm Low group 12+/-2dBm Transmit Level Integrated 400 Mbit 2-Port PHY 7 VT6307L PCI 1394a Integrated Host ControllerOverview 8355 N/B Maintenance Main Features Embedded CONTROLLER-H8Interface TimerMemory Converter PortsInterrupts Power-down modesOther features Wait controlFeatures 64MB, 128MB, 256MB, 512MB x64 200-Pin DDR Sdram SODIMMs System Flash Memory BiosMemory System 11 VT6103 Fast Ethernet 10/100 1-PORT PHY/TRANSCEIVER Cardbus/MediaReader Controller 3V operation with 5V tolerantSmart Card Interface Pin Lqfp / 209-ball Lfbga package for CB710 PCI InterfaceCardBus Interface Secure Digital Interface Memory Stick InterfaceStick interface Interrupt configurationPower Management Control Logic SmartMedia InterfaceSupports Zoomed Video port Power Switch Interface Misc Control LogicGeneral Description Outstanding FeaturesSuperI/O-PC87393 8355 N/B Maintenance Hot Key Function Keys Feature Meaning CombinationOther Functions APM mode Power ON/OFF/Suspend/Resume ButtonCover Switch Acpi modeLED Indicators Fan power on/off managementCmos Battery 7 I/O PortMini PCI type III BBattery current limit and learning Peripheral Components ROM DriveFull on mode Power ManagementSystem Management Mode Doze ModeSuspend to Dram Suspend to HDDOther Power Management Functions HDD & Video AccessAppendix 1 VT 8235 Gpio Definition To the previous table Appendix 2 H8 Pins Definition Shadowed block is the selected functionCharging KB OUT8 Ilimit ↑ Pull High ↓ Pull Low →3V Level shift Appendix 3 8355 product spec CPUAC adapter FCC, CE, UL, TUV, CB, Bsmi Front View System View and DisassemblySystem View Left-side ViewRight-side View Rear ViewBottom View Top ViewSystem Disassembly DDR Sdram Reassembly Battery PackDisassembly Keyboard Remove three screwsSlide out the keyboard cover Disconnect the cable from system board. Figure 3 CPU Remove four screwsDisconnect the fan’s cord HDD Module 11 Remove HDD compartment13 slide out the hard disk drive 5 CD/DVD-ROM Drive 15 Remove the CD/DVD -ROM driveSO-DIMM 16 Remove the SO-DIMMLCD Assembly 17 Remove two screws19 Remove the hinge cover 21 Remove the LCD assembly Inverter Board 22 Unscrew four screws8355 N/B Maintenance LCD Panel 24 Separate the LCD panel8355 N/B Maintenance System Board 26 Unscrew nine screws28 Remove the top cover Unscrew one screw and disconnect fan’s cord. Figure Reassembly Modem Card 32 Remove the modem cardTouch Pad 33 Free the touch pad8355 N/B Maintenance Definition & Location of Connectors / Switches Main Board Side aDefinition & Location of Connectors/ Switches VR1 Volume ControllerMain Board Side B Definition & Location of Major Components U517 TPA0202 Audio Amplifier U518 CMI9738 Audio Codec DDR Sdram Memory Interface Pin Descriptions of Major ComponentsAMD Athlontm 64 Processor-1 DDR Sdram Memory Interface ContinueDebug AMD Athlontm 64 Processor-2HyperTransport Technology MiscellaneousHyper Transport Receive Interface K8T800MVT8385 North Bridge-1Hyper Transport transmit Interface Link Interface K8T800MVT8385 North Bridge-2Hyper Transport Control AGP Bus InterfaceK8T800MVT8385 North Bridge-3 Girdy GIRDY#Clock, Reset, Power Control and Test K8T800MVT8385 North Bridge-4Straps VT8235 South Bridge-1Advanced Programmable Interrupt Controller APICInterface Low Pin Count LPCInterface VT8235 South Bridge-2CPU Speed Control Interface CPU InterfacePCI Bus Interface Continue VT8235 South Bridge-3PCI Bus Interface General Purpose I/O VT8235 South Bridge-4LAN Controller -Media Independent Interface MII Universal Serial Bus 2.0 InterfaceUltraDMA-133 /100 /66 /33 Enhanced IDE Interface Continue VT8235 South Bridge-5UltraDMA-133 /100 /66 /33 Enhanced IDE Interface Serial IRQGeneral Purpose Inputs Resets,Clocks,and Power StatusVT8235 South Bridge-6 General Purpose Inputs ContinueVT8235 South Bridge-7 Power Management and Event DetectionPower Management and Event Detection Continue Internal Keyboard Controller Power and GroundVT8235 South Bridge-8 AC97 Audio /Modem InterfaceVT8235 South Bridge-9 Power and Ground ContinueISA Subset /Parallel Bios ROM Interface System Management Bus SMBInterface I 2 CBusU506 System Block DiagramU503 Maintenance Diagnostics Error Codes Code Post Routine Description118 Diagnostic Tool for Mini PCI Slot Debug ToolDiagnostic Tool for PIO Port Trouble Shooting No Power +1.25VSREFMEM+1.2VLDTA Agpvddq PJ502 No power Battery Can not Be Charged AdinpBattery can not Charge No Display System Clock CheckReset Circuit Checking1 No Display System FailureReset Circuit Checking2 No Display System FailureParts Signals No DisplayAGP Controller Failure LCD No Display U9 P6AGP Controller Failure Charge BD J2,J3 are cold colder?External Monitor No Display J503Display Yes OK? Replace faulty monitor Memory Test Error Symptom The extend DDR RAM is failure or system hangs upMemory Test Error PartsKeyboard K/B Touch-Pad T/P Test Error Key Board ControllerKeyboard or Touch-Pad Test Error Test Yes Ok? Replace the faulty Keyboard or Touch-PadHard Disk Driver Test Error Hard Disk Driver Test Error Hard Driver Test ErrorCD-ROM Driver Test Error J530CD-ROM Driver Test Error USB Test Error Symptom An error occurs when a USB I/O device is installedU501 USB Test Error PartsSignalsSymptom An error occurs when a PC card device is installed PC-Card Socket FailurePC Card Test Error Memory-Card Socket Failure Memory Card Test Error Memory-Card Socket FailureIEEE1394 Test Error Symptom An error occurs when IEEE1394 device is installedTest Error LAN Test Error Symptom An error occurs when LAN device is installedLAN Test Error Correct itAudio Failure Input Of Audio SubsystemOutput Of Audio Subsystem Audio Drive Failure Spare Part List-1 Part Number Description LocationSSpare Part List-2 Spare Part List-3 CFM-BATFUSE Thermal 98CSpare Part List-4 DIODEBAV70LT1,70V,225MW,SOT-23Spare Part List-5 DVD Combo DRIVE8X24X10X24X,SBWSpare Part List-6 ICEM6A9320BI-3.6M,DDR SDRAM,4MXSpare Part List-7 ICVT8235,SOUTH BRIDGE,BGA,487PLABELSOFTWARE,INSYDE BIOS-M Spare Part List-8Spare Part List-9 RELAYREED,200V,.5A,NORMAL Open SW1Spare Part List-10 RES2MSpare Part List-11 RP7,RP8Spare Part List-12 RP6,RP9Spare Part List-13 TRANSDTC144WK,NPN,SOT-23,SMTWIRE#28,UL1061,40MM,BLUE,PRC Spare Part List-14Page Page Model CPURESET# CPURESET# CPURESET# 3,12 DDRRASB#Memresetl CorefbhVID1 NBLDTRST# CPURESET#VID0 VID2DIMM-SLOT & Termination K8T400M- VT8385 ACPOWER# FS0 14MSBIOSCH8RESET# H8RESET# BATTG#M10GPIO4 AGPRESET#M10GPIO0 M10GPIO5ATI M10-P2/4 MEMAMD0 MEMAMD2MEMAMA2 VMDA0 MEMAMD0VMB0 VMDB0 VMDB32 VMA1 VMDA1 VMDA33 VMA0VMDA0 VMA0 VMA2+PANELVDD CrtinCrtgreen PANELID0 PANELID2 PANELID3VT8235 1/3- PCI & USB VT8235 2/3- IDE & AC97 VT8235 3/3- VLINK&LAN IDEDPDD2 IDEDPDD0IDEDPDD1 HDPDD2 HDPDD3 IDEDPDD3 HDPDD4CAD1 CAD11 CVS1 CARDRESET#POWERONRESET# CAD2SDCD# GND SDWP# MINIPCIGPORESET#Wirelesspd SDWP# SDDATA1 LEDCL190 SDDATA0 Sdclk Sdcmd SDDATA3 SDDATA2TPA0P PCIAD4 PCIAD1TPA0N TPB0PPJTX+ LANPHYRESET#LANMRXDV2 LANTX+Micext AC97SDOUT Avdd MicvrefMicint AC97SDIND0DECTHP#/OPT Audiomute AmpmuteDEVICEDECT# SpdifoutINIT# LPCSPIORESET# PD6LPCSPIORESET# LPCFRAME# PIOD/INT#H8ENABKL H8RESET# Tclkd H8RESET#SCI#/FANSWITCH H8WAKEUP# SCI#/FANSWITCHUSBP0P USBOC0# USBOC2#USBOC5# USBOC2# USBP2PSD4 SA4 SA0 SD1 SA1SD2 SA2 PCIGNT#4 SD3 SA3 PCIGNT#5 PCICARDBUSGNT#0 SD6 SA6Pgvcccore OD3OD5 PWRONM9+2.5VS&+1.25VS&+1.8V&+1.2V VOSENSE1 +3VS / +5VSDVMAINP2 VOSENSE2For M10 +1.2V&+1.0V Batt AdinpADP1 IlimitLiovp Charging Adinp BattLiovp BattdeadPVID1 VMAINP3PVID0 PVID2Reference Material Tel Fax Second Edition Nov Mail Willy .Chen @ mic.com.tw