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JHT01 Service Manual

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3. Carefully insert your fingers between the display and the LCD bezel as

indicated by the arrow, and gently pry up the LCD bezel.

4. Remove the four screws mounting the display, inverter board, and

LVDS/CMOS cable to the LCD cover.

•

Two screws on the display.

•

Two screws on the inverter board.

•

One screw on the LVDS/CMOS cable.

Содержание JHT01

Страница 1: ...Service Manual JHT01...

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Страница 3: ...Chapter 1 System Description Specification...

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Страница 5: ...GB 1 2 1 2 Optical Disc Drive 1 2 1 3 Touch Pad 1 2 1 4 Keyboard 1 2 1 5 Display Device 1 2 1 6 Camera 1 3 1 7 Keyboard 1 3 2 Communications 1 4 2 1 Wireless LAN 1 4 2 2 Modem 1 4 2 3 Bluetooth 1 4 3...

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Страница 7: ...e following Do not use this product near water for example near a bathtub washbowl and kitchen sink or laundry tub in a wet basement or near a swimming pool Avoid using a telephone other than a cordle...

Страница 8: ...200RPM Easily removable Capacity from 80GB to 250GB and bigger in future 1 2 Optical Disc Drive 12 7mmh Combo DVD CD RW Drive 12 7mmh DVD Super Multi Drive 1 3 Touch Pad Length 84 0 2mm Width 42 0 2mm...

Страница 9: ...rightness 200 Nit Type 1 6 Camera 1 3M CMOS module fix focus camera module Chicony CNF7163 2 0M CMOS module fix focus camera module Suyin 2 0M CMOS module fix focus camera module Chicony CNF7247 1 7 K...

Страница 10: ...LAN Wireless LAN WiMAX mini card module maker Intel PCI Express base specification compliant 2 2 Modem Internal Modem with MDC solution MDC 3 3 1 5 module maker Askey 2 3 Bluetooth Bluetooth module mo...

Страница 11: ...HDD Pack 160g 9 5mm BATT Li ion 414g 8cell ODD module 259g FDD module 202 g 3 2 Mechanical Function Removable HDD ODD Module Battery changeable Li ion For security can use Kensington Lock Scissor typ...

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Страница 13: ...Chapter 2 Software Specification...

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Страница 15: ...Advanced Configuration and Power Interface 2 9 6 1 Introduction 2 9 6 2 ACPI Sleep Status 2 9 6 3 Fast Resume 2 9 6 4 Power State Transition Diagram 2 9 6 5 Storage Devices and Batteries 2 10 6 6 Boot...

Страница 16: ...ng control 2 27 12 8 External LEDs status report and control 2 27 12 9 Battery status report and control 2 29 12 10 EC FW Power management support 2 30 12 11 Thermal Status Report and Fan Control 2 31...

Страница 17: ...Max 4GB Display 15 4 16 10 WXGA 1280x800 glare anti glare and anti reflection 15 4 16 10 WXGA 1440x900 glare anti glare and anti reflection 15 4 16 10 WSXGA 1680x1050 glare anti glare and anti reflect...

Страница 18: ...rd Comms Askey AgereAM5 CastleNet Moto V 92 56K bps V 90 56K bps JHL91 JHT01 LAN 10 100Mbps Realtek RTL8102e JHL90 JHT00 LAN 10 100 1000Mbps Realtek RTL8111c Wireless LAN 802 11a g n Intel Shirley Pea...

Страница 19: ...ack x 1 DC in jack x 1 Mini Card x3 JHL90 Mini Card x2 JHL91 JHT01 JHT00 Media Card Reader SD MMC MS MS pro x 1 RJ 11 jack x 1 for 56Kbps V 90 92 Modem x 1 RJ 45 jack x 1 Kensington lock x 1 HDMI x 1...

Страница 20: ...0 Software Phoenix First BIOS 2048KB Flash BIOS ROM Suspend to RAM Disk No support APM USB memory Boot support Support SMBIOS 2 4 PCI2 2 ACPI 2 0 compliance with Intel Speed step Support C State and S...

Страница 21: ...of power button which is defined in Power Option under the OS 2 1 2 Power Button Over ride Holding down the Power Button for 4 seconds will cause an unconditional transfer to the off state without not...

Страница 22: ...rminal error it switches to the POST screen near the end of POST just prior to prompting for a password If the BIOS or an option ROM request keyboard input the system switches over to the POST screen...

Страница 23: ...system can be in one of the system power states as described below ACPI mode Power Management Mech Off G3 All devices in the system are turned off completely Soft Off G2 S5 OS initiated shutdown All...

Страница 24: ...table below lists the wake up events for all low power states Events S3 S4 S5 Process required Any key O X X X Power button O O O X LAN On board O O X O RTC O O X O Critical low battery O X X O Field...

Страница 25: ...ol to the operating system within the following time limits Required S3 S0 2 seconds Measured using the Microsoft BootVis tool In addition total resume time from S3 must be completed within 5 seconds...

Страница 26: ...hich belong to the same category are not supported in this notebook Batteries The BIOS must follow ACPI specification and report the correct number of the installed battery and status 6 6 Bootable Dev...

Страница 27: ...sing keyboard do the following Power off the system Plug in the USB Flash Disk with crisis image installed Hold down Fn B keys Plug in AC adapter and make sure it is powered Power on the system from o...

Страница 28: ...ation The system BIOS must automatically load default values defined in the setup menu during POST when encounter these problems The user must not be required to take any action to continue the rest o...

Страница 29: ...3 System version 50h 6Fh 32 bytes of System version for DMI type 1 UUID 70h 7Fh 16 bytes for UUID for DMI type 1 System product name 80h 9Fh 32 bytes of System product name DMI type 11 A0h DDh 62 byt...

Страница 30: ...ain Menu Phoenix SecureCore tm Setup Utility Main System Time HH MM SS System Date MM DD YYYY Product Name XXXXXXX Serial Number XXXXXXXXXXXXX System Memory 640 KB Extended Memory XXXX MB BIOS Version...

Страница 31: ...1 MB 1 MB UMA frame buffer BIOS Version This field displays current version of the BIOS UUID This field displays the platform UUID number 10 2 2 TPM State JHL90 JHT00 Phoenix SecureCore tm Setup Utili...

Страница 32: ...it Phoenix SecureCore tm Setup Utility Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes F1 Help select Item F5 F6 Change Values F9 Setup Defaults Esc Exit s...

Страница 33: ...n user press Enter on the item Setup Confirmation Load default configuration now Yes No Yes Load default configuration No Return to SETUP Discard Changes Allows the user to discard current changes and...

Страница 34: ...rt SMBus specification V2 0 Hot keys for system control Audio volume output control External LED control Battery scope report and control Sticky key support Power switch control Two host interface cha...

Страница 35: ...ddress to get OEM RAM value The address range are from 00h to FFh One byte 44h None Get project ID 0x31 45h Hook for every projects Define by project 01h Check Thermal chip ID is SMSC or not 01 is Yes...

Страница 36: ...ontrol by OS None 91h Capslock LED Control by OS None 92h Scrolllock LED Control by OS None A7h Mute off None A8h Mute on None 48h Reserved None 49h Thermal control notification A0h FAN off and thrott...

Страница 37: ...ead byte from EEPROM 00h Success FEh Fail 00h FFh EEPROM address One byte 4Fh For R591 utility 00h Success FEh Fail 1Bh Get common ram value 256 bytes 1Ch Ger expansion I O register 6 bytes 20h Get EC...

Страница 38: ...0x00 Normal mode One byte 53h Command to read SPI ROM One byte 0 High byte address One byte 1 Middle byte address One byte 2 Low byte address One byte 54h None Reserved None 55h None Reserved None 56h...

Страница 39: ...nable FAN speed full on None 77h Disable Fan speed full on None 78h Disable FAN fine tune function None 79h Enable FAN fine tune function None 90h One touch button application allow to send scan code...

Страница 40: ...ery stop charge disable None D9h Set system flag None DAh Clear system flag None E1h Turn LCD back light on None E2h Turn LCD back light off None E4h Select EX keyboard Matrix None E5h Select US keybo...

Страница 41: ...Wireless Bluetooth Turn on off Fn F3 LCD CRT LCD CRT Switch Fn F4 Brightness down Fn F5 Brightness up Fn F6 Mute Fn F7 Volume Down Fn F8 Volume Up Fn F9 Media Play Pause Fn F10 Media Stop Fn F11 Medi...

Страница 42: ...2 5 External Buttons status report and control 12 5 1 Power Switch Push button If system is Off S2D System will be turned on while Power switch is depressed by more than 500 ms with or without AC inse...

Страница 43: ...ol If power that system need is more than adapter loading EC will determine this adapter is wrong power adapter and notifies as below With battery system will stop charge if battery is not full Withou...

Страница 44: ...initions of HDD accessing state Blue LED Please refer PDD document 12 8 5 Definitions of Bluetooth state LED Please refer PDD document 12 8 6 Definitions of Wireless State LED Please refer PDD documen...

Страница 45: ...of Power USB state LED Please refer PDD document 12 9 Battery status report and control Define the battery type and battery protection function 12 9 1 Battery status There are four battery states for...

Страница 46: ...em must use a Smart Battery or an ACPI control method battery our currently design is ACPI control method battery Li ion Battery 11 1V 7200mAH 9 cells 3S3P 6 cells 3S2P Compatible with Intel s SMBus a...

Страница 47: ...h Battery in critical low SMI SMI B2h SCI SWI 22h Battery in low state SMI B3h SCI 23h Standby request SMI B4h 24h Battery pack plugin SMI B5h SBS 25h Battery pack removed SMI B6h SBS 25h Suspend To R...

Страница 48: ...control fan directly DTS Tdiode Thermal Policy Speed stage Speed down temperature C Speed up temperature C Fan 1 RPM Speed 0 0 50 0 Speed 1 45 55 2500 Speed 2 53 60 3000 Speed 3 58 65 3400 Speed 4 63...

Страница 49: ...el is for the power management function host address 62h and 66h The Power Management channel of KBC structure and operation are similar to those of the Keyboard Mouse channel 12 12 3 Extra transfer p...

Страница 50: ...fined in the ACPI specification Read Write Burst Mode enable disable and Query command are supported 12 16Internal keyboard change Configuration 12 16 1 US UK JP country option The KBC supports three...

Страница 51: ...ation 12 17 1 Customer EC name space definition Offset Description 00h 07h Customer EC name space 12 17 2 Project EC name space definition Offset Description 08h 0Fh Project EC name space 12 17 3 SMBu...

Страница 52: ...be charging Bit7 CHARGE_D Set if 4th battery be charging 9Bh SEL_STATE1 Bit0 PWR_BY_A Set if system power up by 1st Bit1 PWR_BY_B Set if system power up by 2nd Bit2 PWR_BY_C Set if system power up by...

Страница 53: ...n or not 0 off 1 on Bit1 DockType1 reserved Bit4 OS_undock OK Bit5 OS dock OK Bit6 Safe Undock OK Bit7 DockChange Ultra Base had changed from docked to undock or undock to dock 0 no 1 yes A2h OS Shutd...

Страница 54: ...B0 Fan on off parameter0 Bit2 FANSPDB1 Fan on off parameter1 Bit 2 1 When control by OS 0 0 Fan off 0 1 Fan on speed 1 1 0 Fan on speed 2 1 1 Fan on speed 3 Bit3 INITOK 0 Control by OS 1 Control by EC...

Страница 55: ...h Device module status Bit0 1 Wirless LAN active 0 Wirless LAN no active Bit1 1 BlueTooth active 0 BlueTooth no active Bit2 1 Wirless LAN exist 0 Wirless LAN no exist Bit3 1 BlueTooth exist 0 BlueToot...

Страница 56: ...ter DBh Battery Command index for read battery through SMBus DCh Count up to communicate battery DDh Count up if battery is arrived overtemp DEh DFh SMBus status E0h Battery over voltage counter E1h C...

Страница 57: ...e of Adapter throttling Bit2 Stop charge of Sony battery Bit3 Stop charge of adapter loading Bit4 Stop charge of flash F4h F5h Manufacture Date F6h F7h Charging Voltage F8h Battery Cell number Bit0 Se...

Страница 58: ...up to communicate battery 3Dh Count up if battery is arrived overtemp 3Eh 3Fh SMBus status 40h Battery over voltage counter 41h Communication fail counter 42h Battery voltage of ADC 43h 44h Cell1 vol...

Страница 59: ...r loading Bit4 Stop charge of flash 54h 55h Manufacture Date 56h 57h Charging Voltage 58h Battery Cell number Bit0 Set Battery is 3 cells Bit1 Set Battery is 4 cells Bit2 Set Battery is 6 cells Bit3 S...

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Страница 61: ...Chapter 3 Hardware...

Страница 62: ......

Страница 63: ...Contents Chapter 3 Hardware 1 Top View 3 1 2 Bottom View 3 2...

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Страница 65: ...sition Description Position Description 1 MB_PCB 25 T P Board to MLB 2 USB Board 26 Function Board to MLB 5 K B to MLB 25 PIN 27 Inverter Conn 7 EXP CARD CONN 28 SPEAKER Conn 10 SATA HDD CONN 30 Kill_...

Страница 66: ...ion Position Description 3 RJ45 16 D sub 4 ODD Conn 17 MDC Conn 6 FAN to MLB 18 Mini PCI Express Conn H 4 0mm 11 CPU SOCKET 19 Mini PCI Express Conn H 9 9mm 12 H5 2 DDRII 21 3 IN 1 Card 13 H9 2 DDRII...

Страница 67: ...Chapter 4 DC DC Converter...

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Страница 69: ...tion 4 8 3 7 OVER Voltage protection 4 9 3 8 Under voltage protection 4 9 3 9 Short circuit protection 4 9 3 10 I O 4 9 3 11 BATTERY 4 11 4 INVERTER SPECIFICATION JHT00 01 14 1 inch inverter spec 4 12...

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Страница 71: ...Series Power System block diagram INVERTER HV LV LCD DC DC M B GND B DISPOFF PWM DAC B GND 5VALWP 3VALWP VSBP CHGRTC RTCVREF VGATE ACOFF CPU_VID 0 6 51_ON FSTCHG SUSP VR_ON 1 5VP 1 8VP 1 05VSP CPU_CO...

Страница 72: ...cy range 47 63Hz Input Current 1 7Amax at 100 VAC Start up time 5sec Max 115V and 230 Vac full load HOLD UP time 5ms 115VAC full load condition OVP 29V max Automatic shut down Short circuit protection...

Страница 73: ...ther the computer is ON or OFF 3 2 Features High efficiency up to 85 using battery Accept wide range DC input voltage from 8V to 19V Built in charger power source The power ON OFF is controlled by sof...

Страница 74: ...Vp p max 60mVp p max Item 1 8VP 1 5VSP nominal voltage 1 8V 1 8V Min current 0A 0A Max current 6 1A 2 89A Peak current 8 7A 4 13A Total regulation 1 8V 5 1 5V 5 Ripple voltage 100mVp p max 100mVp p ma...

Страница 75: ...1 1875 0 0 1 1 0 1 0 1 1750 0 0 1 1 0 1 1 1 1625 0 0 1 1 1 0 0 1 1500 0 0 1 1 1 0 1 1 1375 0 0 1 1 1 1 0 1 1250 0 0 1 1 1 1 1 1 1125 0 1 0 0 0 0 0 1 1000 0 1 0 0 0 0 1 1 0875 0 1 0 0 0 1 0 1 164V 0 1...

Страница 76: ...0 0 7500 0 1 1 1 1 0 1 0 7375 0 1 1 1 1 1 0 0 7250 0 1 1 1 1 1 1 0 7125 1 0 0 0 0 0 0 0 7000 1 0 0 0 0 0 1 0 6875 1 0 0 0 0 1 0 0 6750 1 0 0 0 0 1 1 0 6650 1 0 0 0 1 0 0 0 6500 1 0 0 0 1 0 1 0 6375 1...

Страница 77: ...0 3000 1 1 0 0 0 0 1 0 2875 1 1 0 0 0 1 0 0 2750 1 1 0 0 0 1 1 0 2625 1 1 0 0 1 0 0 0 2500 1 1 0 0 1 0 1 0 2375 1 1 0 0 1 1 0 0 2250 1 1 0 0 1 1 1 0 2125 1 1 0 1 0 0 0 0 2000 1 1 0 1 0 0 1 0 1875 1 1...

Страница 78: ...KB926 Charge termination When Fully Charge bit is set charger is terminated by KB926 When system is turned off the charge time is 4 0 hrs typically from empty to full for Li Ion 9 cell battery When s...

Страница 79: ...P 1 5V 113 119 1 05VSP 1 05V 113 119 3 8 Under voltage protection 5VALWP 5V 65 75 3VALWP 3 3V 65 75 CPU_CORE under 300mV of programmed VID level 1 8VP 1 8V 81 87 1 5VSP 1 5V 81 87 1 05VSP 1 05V 81 87...

Страница 80: ...ATE O 0 3 3V High Active it will go high when CPU_CORE is ready VR_ON I 0 3 3V High Active turn on off the CPU_COREP VID_VCC BATT_TEMP O 0 3 3V Analog signal ENE926 using this voltage level to calcula...

Страница 81: ...i ion Single Cell Type 18650 18650 18650 Single Cell Capacity mAH 2400 2600 2400 Dumb Smart Battery Smart Battery SMBus ver 1 1 Smart Battery SMBus ver 1 1 Smart Battery SMBus ver 1 1 Cycle Life 70 af...

Страница 82: ...hium CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacture...

Страница 83: ...0000 hours In Compal system 4 3 Electrical characteristic No Item Symbol Min Typ Max Unit Comment 1 Input voltage INV_PWR 9 14 8 21 V 7 5V continuous can work Note 1 2 Input current Iin 0 33 A 3 Lamp...

Страница 84: ...d lamp maximum current by DAC_BRIG signal When DAC_BRIG voltage is 0V and INV_PWM enables 100 lamp has max limited current When DAC_BRIG voltage is 3 3V and INV_PWM enables 100 lamp has min limited cu...

Страница 85: ...PWM 30 IL 5 7 6 6 3 mArms DAC_BRIG 1 V PWM 100 IL 2 7 3 3 3 mArms DAC_BRIG 1 V PWM 30 f 45 55 65 KHz 1 80 4 4 2 Thermal All components on inverter board should follow below rules Component using condi...

Страница 86: ...er must pass below conditions Human body test Open lamp burning Inverter burns for 24 hours at open lamp status No parts damage 4 6 2 Human body safety test Short inverter output transformer secondary...

Страница 87: ...an Time Between Failures MTBF 17 000 hours with 90 confidence level 5 2 Reference Document 5 3 Electro Static Discharge ESD Performance Criteria Soft error Allowable No soft error Level 3 Level2 Level...

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Страница 89: ...Chapter 5 Disassembly Guide...

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Страница 91: ...1 7 Removing the Modem card 5 13 1 8 Removing the System Fan 5 16 1 9 Removing the Thermal Module 5 17 1 10 Removing the CPU 5 18 1 11 Removing the Bluetooth Module 5 19 1 12 Removing the LCD Module 5...

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Страница 93: ...for disassembling the base unit You will need a 5 5mm Nut Driver a medium size screwdriver These directions are to disassemble the complete unit and are cross referenced to Chapter 6 for the replacem...

Страница 94: ...ook upside down 2 Slide the right battery release lock in the direction of the arrow to unlock the battery pack 3 Slide the left battery release latch in the direction of the arrow The battery packs w...

Страница 95: ...Removing the HDD Module Follow the steps below to remove the HDD module 1 Turn the notebook upside down 2 Remove the two screws securing the HDD compartment cover 3 Pull up the HDD compartment cover i...

Страница 96: ...4 Remove the two screws securing the HDD module in place 5 Pull the tab to remove the HDD module in the direction of the arrow 6 Remove the four silver screws to take off the HDD case 7 Remove the HDD...

Страница 97: ...DDR RAM Follow the steps below to remove the DDR RAM 1 Turn the notebook upside down 2 Remove one screw securing the RAM cover and then remove the cover 3 Push the latches to release the RAM module A...

Страница 98: ...JHT01 Service Manual 5 6 4 Grasp the module and pull it out...

Страница 99: ...CD ROM DVD ROM CD RW Follow the steps below to disassemble the optical drive ODD 1 Turn the notebook upside down 2 Remove three screws securing the ODD 3 Remove the screw and insert a flat screwdriver...

Страница 100: ...JHT01 Service Manual 5 8 4 Remove two screws from the bracket plate and then remove the bracket plate...

Страница 101: ...5 Removing the Keyboard Open the display panel and follow the steps below to remove the keyboard 1 Turn the notebook upside down than remove three screws 2 Insert a flat screwdriver into the slot as s...

Страница 102: ...vice Manual 5 10 3 Lift up the strip cover from the right side 4 Disconnect the function board power board cable from the underside of the strip cover and remove it 5 Remove three screws securing the...

Страница 103: ...6 Turn over the keyboard revealing the keyboard cable underneath 7 Use a thin tool such as a screwdriver to lever up the connector bracket and disconnect the keyboard cable from the motherboard 8 Lif...

Страница 104: ...ving the Power Board To remove the LCD module first remove the keyboard Then follow the steps below 1 Remove two screws securing the power board to the logic upper 2 Disconnect the power board cable a...

Страница 105: ...JHT01 Service Manual 5 13 1 7 Removing the Modem card To remove the Modem card follow the steps below 1 Turn the notebook over Remove three screws securing the thermal cover 2 Remove the cover...

Страница 106: ...JHT01 Service Manual 5 14 3 Disconnect two screws and remove from the Modem card 4 Remove the Modem card...

Страница 107: ...JHT01 Service Manual 5 15 5 Remove the stand off bracket CAUTION Do not touch the connectors on the Modem card or on the computer Debris on the connectors may cause the unit to malfunction...

Страница 108: ...e Manual 5 16 1 8 Removing the System Fan To remove the system fan Then follow the steps below 1 Turn the notebook over Remove three screws securing the system fan 2 Disconnect the fan and lift out th...

Страница 109: ...s below 1 Turn the notebook over Remove four screws securing the thermal module to the motherboard 2 Lift and remove the thermal module from the motherboard CAUTION When you remove the thermal module...

Страница 110: ...CPU first remove the Modem card and thermal module Then follow the steps below 1 Turn the cam on the CPU socket with a flat blade screwdriver so that the notch on the cam is aligned with the open side...

Страница 111: ...the Bluetooth Module To remove the Bluetooth module first remove the keyboard Then follow the steps below 1 Remove one screws securing the Bluetooth module to the logic lower 2 Disconnect the Bluetoot...

Страница 112: ...ove the keyboard Then follow the steps below 1 Disconnect the LCD power LVDS CMOS and microphone cables and pull the wireless and TV tuner card antennas free from the laptop as shown 2 Remove one scre...

Страница 113: ...JHT01 Service Manual 5 21 3 Remove the LCD module...

Страница 114: ...embling the Display and the Inverter Board To disassemble the display and inverter board first remove the keyboard Then follow these steps 1 Remove six screws pads as shown 2 Remove the six screws sec...

Страница 115: ...splay and the LCD bezel as indicated by the arrow and gently pry up the LCD bezel 4 Remove the four screws mounting the display inverter board and LVDS CMOS cable to the LCD cover Two screws on the di...

Страница 116: ...01 Service Manual 5 24 5 Disconnect the two connectors on either side of the inverter board Remove the inverter board 6 Gently lift out the display Remove eight screws securing the hinges to the displ...

Страница 117: ...JHT01 Service Manual 5 25 7 Detach the LVDS cable from the back of the LCD panel...

Страница 118: ...o remove the camera module first remove the keyboard LCD module LCD display and inverter board Then follow these steps 1 Disconnect the CMOS cable from the camera module 2 Remove two screws securing t...

Страница 119: ...oard wireless LAN system fan thermal module CPU Bluetooth module and LCD module as described in the preceding sections Follow the steps below to remove the logic upper 1 Turn the computer upside down...

Страница 120: ...JHT01 Service Manual 5 28 3 Lift off the logic upper...

Страница 121: ...ng the Function Board To remove the front board first remove the logic upper as described in the preceding sections Then follow the steps below 1 Remove one screw securing the Function board to the lo...

Страница 122: ...the logic upper and LED board as described in the preceding sections Then follow the steps below 1 Remove four screws securing the motherboard to the logic upper 2 Disconnect the USB board FFC speake...

Страница 123: ...JHT01 Service Manual 5 31 1 18 Removing the Modem cable card 1 Lift the Modem cable card from its housing and detach the cable to remove it from the logic upper...

Страница 124: ...emove the touch pad board first remove the logic upper as described in the preceding sections Then follow the steps below 1 Remove one screw securing the touch pad to the rear side of the logic upper...

Страница 125: ...Chapter 6 Testing and Troubleshooting...

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Страница 127: ...4 5 2 Procedure 2 Diagnostic test 6 14 5 3 Procedure 3 Connector and replacement check 6 14 6 External USB Devices Troubleshooting 6 15 6 1 Procedure 1 External device and connection check 6 16 6 2 Pr...

Страница 128: ...eshooting 6 28 12 1 Procedure 1 Telephone line connection check 6 29 12 2 Procedure 2 Modem card connection check 6 29 12 3 Procedure 3 Modem replacement check 6 29 13 Express card Troubleshooting 6 3...

Страница 129: ...lowed step by step it can efficiently isolate the problem and the problem can be solved easily 1 PERFORM VISUAL INSPECTION Check the following Power cords are properly connected and secured Power supp...

Страница 130: ...n section 6 2 Is the Battery LED on Perform the Power Supply Troubleshooting procedures in section 6 2 Turn the Power switch on Is the Power On LED on Perform the Power Supply Troubleshooting procedur...

Страница 131: ...5 Insert the diagnostics disk into FDD Then run the diagnostics test program Is the diagnostics test loaded Perform the FDD Troubleshooting procedures in section 6 4 Allow each test to perform automat...

Страница 132: ...n error is detected when using the CRT connection perform the CRT Failure Troubleshooting procedures in Section 6 6 If an error is detected when using the HDMI connection perform the HDMI Failure Trou...

Страница 133: ...tatus Procedure 1 Are the DC IN and Battery LEDs lit No No No Yes Yes Yes Replace adaptor battery Procedure 2 Check power supply connections Procedure 3 Can you turn the computer on Run diagnostic pro...

Страница 134: ...dicate the power supply status Battery LED The power supply controller displays the power supply status through the Battery and the POWER LEDs as listed in the tables below Table 2 1 Battery LED Batte...

Страница 135: ...er supply If the Battery LED is not lit go to Procedure 2 3 2 Procedure 2 Adaptor battery replacement A faulty adaptor may not supply power or may not charge the battery Perform Check 1 Check 1 Connec...

Страница 136: ...ck 4 Use a multimeter to make sure that the AC adaptor output voltage is close to 19 V If the output is several percent lower than 19 V go to Check 5 If the output is close to 19 V go to Check 6 Check...

Страница 137: ...tem board After checking the connection perform Check 1 Check 1 Use a millimeter to make sure that the fuses on the system board are not blown If a fuse is not blown go to Check 2 If a fuse is blown g...

Страница 138: ...form external display cheek Procedure 1 Does the external display function ok Perform diagnostic check Procedure 2 Was a display problem detected Display is not faulty Continue troubleshooting refer t...

Страница 139: ...cedure 2 Diagnostic check The Display Test program is stored on the computer s Diagnostics disk This program checks the display controller on the system board Insert the Diagnostics disk in the comput...

Страница 140: ...l exists perform Check 4 Check 4 Replace the LCD FL cable with a new one and test display again If the problem still exists perform Check 5 Check 5 Replace the CPU with another of the same specificati...

Страница 141: ...orm external keyboard cheek Procedure 1 Does the external keyboard function ok Perform diagnostic check Procedure 2 Was a keyboard problem detected Keyboard is not faulty Continue troubleshooting refe...

Страница 142: ...ave the same problem as the internal keyboard the system board may be damaged 5 2 Procedure 2 Diagnostic test Run the Diagnostic Program which will automatically execute the Keyboard Test Refer to Cha...

Страница 143: ...eshooting process START Perform external device and connection check Procedure 1 Does the device function when connected to a different USB port Check USB port connection Does an alternative USB devic...

Страница 144: ...here are three in all If the USB device still does not work go to Check 4 If the device functions correctly when connected to another USB port go to Check 3 Check 3 Make sure that the USB socket is fi...

Страница 145: ...6 CRT troubleshooting process START Perform CRT connection check Procedure 1 Does replace CRT cable function property Replace CRT cable Perform CRT set check Procedure 2 CRT functioning OK Use differe...

Страница 146: ...ter If the cable is connected correctly go to Check 2 Check 2 Make sure the CRT port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 The CRT cabl...

Страница 147: ...DMI troubleshooting process START Perform HDMI connection check Procedure 1 Does replace HDMI cable function property Replace HDMI cable Perform HDMI set check Procedure 2 HDMI functioning OK Use diff...

Страница 148: ...uter If the cable is connected correctly go to Check 2 Check 2 Make sure the HDMI port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 The HDMI c...

Страница 149: ...1 Service Manual 6 21 9 Touch Pad Troubleshooting Figure 6 8 Touch Pad troubleshooting process START Touch Pad connection check Procedure 1 Touch Pad replacement check Procedure 2 Replace system board...

Страница 150: ...connection check The Touch Pad is connected by the Touch Pad FPC to the system board Make sure the Touch Pad FPC cable is firmly connected to the Touch Pad and system board Replacement Procedures for...

Страница 151: ...m audio source test Procedure 1 Do all sources have same problem Speakers are not faulty Continue troubleshooting see Figure 2 1 Perform earphone test Procedure 2 Do earphones function correctly Perfo...

Страница 152: ...s the problem is in the source devices If all have the same problem continue with Procedure 2 10 2 Procedure 2 Earphone test Connect a set if earphones or external speakers If these function correctly...

Страница 153: ...troubleshooting process START Perform audio CD check Procedure I Audio CD functions ok Perform drive cleaning check Procedure 2 Perform software check Procedure 3 Perform diagnostic test Procedure 4...

Страница 154: ...Procedure 2 Drive cleaning check Insert a CD DVD drive cleaning disk into the drive clean according to the drive cleaning product instructions If the problem persists go to Procedure 3 11 3 Procedure...

Страница 155: ...Service Manual 6 27 Check 2 The drive or drive cable may be defective or damaged Replacement Procedures If the drive is still not functioning properly perform Check 3 Check 3 The system board may be d...

Страница 156: ...bleshooting process START Perform telephone line connection check Procedure 1 Computer unable to detect telephone signal Check replace telephone line and connections Perform connection check Procedure...

Страница 157: ...or the modem port Perform Check 1 Check 1 Make sure telephone cable is firmly plugged into both the telephone wall socket and the modem port of the computer If the cable is connected correctly go to...

Страница 158: ...Figure 6 12 Express card troubleshooting process START Perform express card test procedure 1 Do errors occur during express card test Express card unit is not faulty Perform express card socket repla...

Страница 159: ...test card contains a express test program Ensure the card in fully inserted into the socket before running the program If an error occurs during the express test perform Procedure 2 If no error occur...

Страница 160: ...Wireless LAN troubleshooting process START Perform diagnostic test Procedure 1 Was an wireless LAN problem dejected Perform connector and replacement check Procedure 2 Wireless LAN system is not faul...

Страница 161: ...s Check 2 Press keyboard Fn F2 make sure wireless is enable If the program persist Go to Procedure 14 2 Procedure 2 Connector and replacement check The wireless LAN antenna wireless LAN unit or system...

Страница 162: ...less LAN unit may be damaged Replace it with a new one following the instructions in Chapter 4 If the problem still exists perform Check 4 Check 4 The system board may be damaged Replace it with a new...

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Compal JHT01, Руководство по обслуживанию

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