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NBLB2 Service Manual

12. Removing the Logic Upper

To remove the logic upper, first remove the battery pack, HDD, memory
module, ODD, keyboard, power board, 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 and remove 21 screws from the bottom

side of the notebook.

2. Turn the computer over again and disconnect all the board FFC, touchpad

as shown.

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Содержание NBLB2

Страница 1: ...NBLB2 Service Manual...

Страница 2: ...Storage Devices and Batteries 14 6 6 Bootable Device 14 6 7 Embedded controller 14 7 PC2001 15 8 MISCELLANEOUS FEATURES 15 8 1 Single BIOS ROM 15 8 2 USB Support 15 8 3 Flash utility one BIOS ROM onl...

Страница 3: ...8 12 7 4 Definitions of HDD accessing state Green LED 38 12 7 5 Definitions of SWDJ state Green LED Not supported 38 12 7 6 Definitions of Wireless State LED 38 12 7 7 Definition of touch pad on off s...

Страница 4: ...terface ACPI RAM definition 48 12 17 4 External name space definition 49 12 17 5 Word registers to Emulate smart selector RAM definition 49 12 17 6 EC interface OEM common RAM definition 50 12 17 7 Co...

Страница 5: ...THE CAMERA MODULE 95 12 REMOVING THE LOGIC UPPER 96 13 REMOVING THE MOTHERBOARD 98 14 REMOVING THE USB BOARD 99 15 REMOVING THE POWER BOARD 100 16 REMOVING THE FUNCTION BOARD 101 17 REMOVING THE BLUE...

Страница 6: ......

Страница 7: ...1 Chapter 1 System Description Specification...

Страница 8: ...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 cordles...

Страница 9: ...height SATA DVD Super Multi DVD RAM R RW R RW 8X write CD R CD RW DVD RAM R RW R RW writable Support Double Layer Recording is required High Definition Disc Blue ray Combo DVD Graphics Chip ATI Madiso...

Страница 10: ...tem Status Indicators 2 K B indicators Caps Lock and Num Lock 1 Power Button LED 1 LED for IDE HDD activity 1 LED for System status Power On Suspend Blue 1 LED for Battery status Charging Full L1 L2 1...

Страница 11: ...upport Support SMBIOS 2 4 PCI2 2 Support PXE Wake on LAN from S3 Wake on LAN from S4 S5 in AC mode OS Windows 7 Ultimate 64bit Ready for Windows 7 Premium 64bit Windows 7 Ultimate 32bit Mini Card Two...

Страница 12: ...NBLB2 Service Manual 6 Chapter 2 Software Specification...

Страница 13: ...tical Drives Fixed 12 7mm height SATA ODD DVD Super Multi DVD RAM R RW R RW Super Multi DVD RAM R RW writable Support Double Layer Recording is required High Definition Disc BD Multi ROM Blue Ray Comb...

Страница 14: ...ey Program DJ x 1 Wow Video Four modes Movie Photo Office Nature x 1 Wow Audio Security Fingerprint TPM 1 2 by Infineon Design ready for Windows Vista32 Windows 7 Kensington lock Controls Power button...

Страница 15: ...mode The operating system will determine what action to take when the lid is opened and closed The function of lid switch will follow the OS setting in power management Nothing Standby or Hibernate If...

Страница 16: ...sert a diskette from which it loads several files that replace the corrupted BIOS on the Flash ROM with an uncorrupted one 4 Thermal management Please refer to Keyboard BIOS specification 5 Power Mana...

Страница 17: ...rive to set time outs The BIOS time out of the hard disk must be disabled in ACPI mode The user can sets the hard disk spin down time out in the control panel power applet 5 4 3 Display Device The mon...

Страница 18: ...ate the save to disk partition or file will be created by the operating system if the user select to enable the hibernation It is the responsibility of the operating system to save the system state to...

Страница 19: ...g the Microsoft BootVis tool In addition total resume time from S3 must be completed within 5 seconds 6 4 Power State Transition Diagram The state transition diagram in ACPI mode is as follows From St...

Страница 20: ...n the system during POST Two devices which 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 install...

Страница 21: ...n opportunity for system that cannot boot up With a crisis floppy diskette the system can perform crisis recovery by using internal PS2 keyboard To perform crisis recovery using keyboard do the follow...

Страница 22: ...ion 32 alphanumeric characters UUID 32 Hexadecimal numbers Type 2 System manufacturer name 16 alphanumeric characters Motherboard Product name NBLB2 System serial number 64 alphanumeric characters wit...

Страница 23: ...e Reserved EBh EFh Reserved Keyboard type F0h Define for US UK JP keyboard Keyboard BIOS used F1h 1 byte for Keyboard BIOS used Branding F2h 1 byte for Branding Process ID for factory F3h F4h Identifi...

Страница 24: ...MB Quiet Boot Enabled System BIOS Version X XX XX EC FW Version V XX XX Serial Number XXXXXXXXX UUID XXXXXXXXX F1 Help Select Item F5 F6 Change Values F9 Setup Defaults Esc Exit Select Screen EnterSel...

Страница 25: ...REDUCE mm dd yy This is the help for the year field Vaild range is from 2000 to 2009 Error checking will be done against month day year combinations that are not supported INCREASE REDUCE Quiet Boot D...

Страница 26: ...s set Power on Password Enable or disable the Power on Password You only can enable disable Power on password after the Supervisor password is set HDD Password Status This item will show enable or dis...

Страница 27: ...it Boot priority order Details see the following Help Information Floppy Drive XXXXXXXXXX Hard Disk Drive XXXXXXXXXX CD DVD ROM Drive XXXXXXXXXXX USB HDD XXXXXXXXXX USB CDROM XXXXXXXXXX Network boot A...

Страница 28: ...ng Changes Allows the user to save changes to NV Storage and reboot system The following message is prompted when user press Enter on the item Exit Saving Changes Yes No Yes Save Changes Exit SETUP an...

Страница 29: ...pted when user press Enter on this item Load Optimal Defaults Yes No It still stay in Setup when press a key Help information Exit Saving Changes Exit system setup and save your changes Exit Discardin...

Страница 30: ...s 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 channels s...

Страница 31: ...address One byte 42h Bank assign for EEPROM None 0x00 0x07 Bank assign for EEPROM work with 4D 4E command replace 4B 4C command None 43h 00h FFh Get RAM value from EC Host can use this command to sen...

Страница 32: ...AN speed from FAN1 One Word 82h Reading FAN speed from FAN2 None 84h Fan RPM control by EC None default Fan RPM value and Fan RPM control by OS None 47h Speaker mute On Off or LED control 10h C 0x47 D...

Страница 33: ...adslock Cursorlock LED Control 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 notificatio...

Страница 34: ...face 00h Success FEh Fail 0 Slave address of device One byte 1 Lo byte address if device is EEPROM otherwise is command or register One byte 2 Hi byte address if device is EEPROM otherwise is zero One...

Страница 35: ...bug data version One byte 41h Get battery information 19 bytes 12 3 2 Command set 50h 5Fh for OEM defined through Port60 64 Port62 66 and Port68 6C Command Set from system s point of view via 60 64 62...

Страница 36: ...K bytes base Boot block size are N 4K One byte A4h Get Critical Status 0x80 Crisis mode 0x00 Normal mode One byte 53h Command to read SPI ROM One byte 0 High byte address One byte 1 Middle byte addres...

Страница 37: ...8h Modem Ring In CAh PME signal active CEh Sleep button event D1h 57h None Module identification Bit0 Main HDD exist Bit1 Int FDD exist Bit2 CD_ROM exist Bit3 2nd HDD exist Bit4 LS120 exist Bit5 Exter...

Страница 38: ...h Sticky key mode disable for no AP support used None 76h Disable FAN speed full on None 77h Enable Fan speed full on None 78h Disable FAN fine tune function None 79h Enable FAN fine tune function Non...

Страница 39: ...h LLB resume from S3 enable None B4h LLB resume from S3 disable None B5h VGA suspend enable Removed Removed B6h VGA suspend disable Removed Removed B7h Modem ring enable None B8h Modem ring disable No...

Страница 40: ...off None E4h Select EX keyboard Matrix None E5h Select US keyboard Matrix None E6h Select JP keyboard Matrix None E7h Select UK keyboard Matrix None E8h EC into ACPI mode None E9h Non ACPI mode EC de...

Страница 41: ...splay None A5h Update Second of RTC Second 0 59 BCD format Seconds which want to display None 5Bh Reserved 5Ch None Get brightness level current brightness level 0x00 0x0a One byte 5Dh Set brightness...

Страница 42: ...for 4 seconds will turn off power 12 6 2 Wireless Device button It will enable disable Wireless function The status will be keep when resume from S3 and S4 12 6 3 Touch pad on off Button Press touch p...

Страница 43: ...Not supported When system is turned on press this button will issue scancode 0xE0 0x24 0xE0 0xA4 to driver 12 6 10 Next FF Not supported When system is turned on press this button will issue scancode...

Страница 44: ...rol the LED 12 7 5 Definitions of SWDJ state Green LED Not supported When system at SWDJ mode this LED will be turned on When system leave SWDJ mode this LED will be turned off 12 7 6 Definitions of W...

Страница 45: ...amber color for a short time to indicate this condition Keep depressing the power button and the LED will be blinking in amber color 12 7 12 Definitions of RJ 45 LEDs LEDs to display the internal NIC...

Страница 46: ...erature 20 Voltage 9V 2 Temperature 20 Voltage 8 6V LLC Shut down System R S O C 5 during system is in S2R mode S2D Voltage 1 94V Over Voltage AC_OFF Voltage 1 32V Shut down System Fast Charge Time ou...

Страница 47: ...ed Below table was detail description AC adaptor status Protect point Action AC adaptor exist Voltage 1 2734V average 2 5 minute Voltage 1 41489V Recovery Clock throttling 12 5 The max level is 50 AC...

Страница 48: ...SPB 1Ah Scr expand event SMI ABh SCI 1Bh Display toggle SMI ACh SCI 1Ch CPU fast slow event SMI ADh SCI 1Dh Battery in critical low SMI B2h SCI 22h Battery in low state SMI B3h SCI 23h Battery pack pl...

Страница 49: ...s as below Wake 2 S to read total battery command Delay 30ms Deep Sleep 500ms Delay 30ms Deep Sleep 500ms Delay 30ms Deep Sleep 500ms Wake 2 S to read total battery command Deep Sleep Cycle 120 times...

Страница 50: ...d 4 60 80 3600 Speed 5 70 92 4000 Speed 6 Throttling start 85 99 Shutdown temp 4000 DISCRETE VGA Fan control table Speed stage Speed down temperature Speed up temperature Fan 1 RPM Speed 0 Speed 1 Spe...

Страница 51: ...1 Duty Cycle Speed 0 N A N A N A Speed 1 N A N A N A Speed 2 N A N A N A Speed 3 N A N A N A Speed 4 N A N A N A Speed 5 Throttling start N A N A N A 12 11 Software DJ Not supported 12 11 1 Function...

Страница 52: ...interface It is base on two registers Command Data and Status The EC FW interrupt generates IRQ1 Keyboard and IRQ12 Mouse for system 12 12 2 Power management interface transfer port The other channel...

Страница 53: ...supported 12 16 Internal keyboard change Configuration 12 16 1 US UK PA JP country option The KBC supports three country selections by KBD_SEL application and one EX type for another country You can k...

Страница 54: ...0x14 Fn L Ctrl 0xE0 0x1D 0xE0 0x9D 0xE0 0x14 0xE0 0xF0 0x14 L Win 0xE0 0x5B 0xE0 0xDB 0xE0 0x1F 0xE0 0xF0 0x1F Fn L Win 0xE0 0x5C 0xE0 0xDC 0xE0 0x27 0xE0 0xF0 0x27 12 17 EC name space Configuration...

Страница 55: ...t selector RAM definition Offset Description 9Ah SEL_STATE0 Bit0 PRESENT_A Set if 1st battery present Bit1 PRESENT_B Set if 2nd battery present Bit2 PRESENT_C Set if 3rd battery present Bit3 PRESENT_D...

Страница 56: ...Sleep button 1 pressed Bit1 Video out button 1 pressed Bit2 Decrease Volume 1 pressed Bit3 Increase Volume 1 pressed Bit4 Mute button 1 pressed Bit5 Contrast button 1 pressed Bit6 Brightness button 1...

Страница 57: ...it2 Bit0 OS Type 0 0 0 WinXP 0 0 1 Vista 0 1 0 Linux 0 1 1 Win7 Bit3 PCMQ PCMCIA H W suspend 0 1 PCMCIA on suspend Bit4 PCMR PCMCIA H W reset 0 disable 1 enable Bit5 ADP Ac adapter 0 offline 1 online...

Страница 58: ...for system throttling AAh For Tcontrol temp sysbios will put Tcontrol temp ABh THERMAL_STATUS Bit0 MODE 0 Local mode 1 Remote mode Bit1 FANSPDB0 Fan on off parameter0 Bit2 FANSPDB1 Fan on off paramet...

Страница 59: ...ive B0h CPU_TEMP CPU current temperature B1h CPU_TEMP_LOCAL CPU local temperature B2h SKIN_TEMP90 SKIN temperature address 90 B3h OS Shutdown Temp For system read setting VGA B4h VGA_TEMP VGA temperat...

Страница 60: ...h Serial Number C6h C7h Present Voltage C8h C9h Design Voltage CAh CBh Design Capacity CCh CDh Full charge capacity CEh Gasgauge CFh Battery cycle counter D0h D1h Battery current D2h D3h Battery avera...

Страница 61: ...s2 Bit0 Low low battery Bit1 Check EDV1 Bit2 Set EDV1 Bit3 Battery shutdown 5 Bit4 Start to read battery Bit5 Start to count communication counter F2h Battery stop charge status low byte Bit0 Battery...

Страница 62: ...s 12 cells Bit6 Set battery is 3 series Bit7 Set battery is 4 series F9h FFh Reserved 12 17 8 Control method for 2nd battery pack RAM definition Offset Description 20h Battery status Bit7 Battery type...

Страница 63: ...y is arrived overtemp 3Eh 3Fh SMBus status 40h Battery over voltage counter 41h Communicatiion fail counter 42h Battery voltage of ADC 43h 44h Cell1 voltage 45h 46h Cell2 voltage 47h 48h Cell3 voltage...

Страница 64: ...p charge of Sony battery Bit3 Stop charge of adapter 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 Ba...

Страница 65: ...9A PCH Thermal temperature 0x98 12 19 Embedded Controller chipset 12 19 1 ENE KB926 The 8051 is an advanced general purpose 8 bit microprocessor core The core is responsible for arithmetic and logic o...

Страница 66: ...NBLB2 Service Manual 60 Chapter 3 Hardware...

Страница 67: ...tion 1 MB PCB 22 INTERNAL MIC 2 IO BOARD CONNECTOR 23 FP CONNECTOR 4 ODD CONNECTOR 24 CONDUCTIVE BOARD CONNECTOR 5 KB CONNECTOR 25 SPEAKER CONNECTOR 8 SATA HDD CONNECTOR 26 HDMI CONNECTOR 10 USB BOARD...

Страница 68: ...Description 3 RJ45 21 MINI CARD 9 9 6 FAN CONNECTOR 27 BATTERY CONNECTOR 9 CPU CONNECTOR 32 3 IN 1 CONNECTOR 12 LVDS CONNECTOR 33 3 IN 1 CARD 13 AUDIO JACK CONNECTOR 39 DDR3 H5 2 14 AUDIO JACK CONNEC...

Страница 69: ...NBLB2 Service Manual 63 Chapter 4 DC DC Converter...

Страница 70: ...00Wh capacity 2 DC DC CONVERTER NBLB2 Series Power System block diagram 2 1 NBLB2 Adapter Description This specification defines the performance and characteristic of 90W AC adapter power supply It su...

Страница 71: ...ondition OVP 29V max Automatic shut down Short circuit protection Output can be shorted without damage and auto recovery OUTPUT Voltage Regulation 18 5 20V including the effects of line Voltage variat...

Страница 72: ...in charger power source The power ON OFF is controlled by software 3 3 Electrical specification Input Voltage Current 8V to19V at the summing point of AC DC and battery INPUT Current 9 6A max from 6...

Страница 73: ...50mVp p max 50mVp p max Item 1 8VSP 1 5VP 1 05VSP Nominal voltage 1 8V 1 5V 1 05V Min current 0A 0A 0A Max current 3 5A 19 92A 3 2A Peak current 3 5A 25 6A 4 62A Total regulation 1 8V 5 1 5V 5 1 05V 5...

Страница 74: ...NBLB2 Service Manual 68 VOLTAGE IDENTIFICATION CODES...

Страница 75: ...NBLB2 Service Manual 69...

Страница 76: ...NBLB2 Service Manual 70...

Страница 77: ...Fully Charge bit is set charger is terminated by KB926 When system is turned off the charge time is 3 5 hrs typically from empty to full for Li Ion 6 cell battery Other battery services are presented...

Страница 78: ...n Latch mode for 5VALWP 3VALWP 1 05VS_VTTP VCCPP 1 8VP 1 5VP VGA_CORE CPU_CORE 1 0VSP 3 10 I O 3 10 1 DC Jack Pin 1 2 Barrel Ring Adapter power return Pin 3 4 Center pin Adapter power input 3 10 2 Bat...

Страница 79: ...Charge RTC battery power source EC_SMB_CK1 EC_SMB_DA1 I O 0 5V Interface of Smbus communicate between ENE926D3 and smart battery SYSON I 0 3 3V High Active ENE926D3 use this pin to control the SYSON...

Страница 80: ...att Battery Positive Terminal 2 BATT Batt Battery Positive Terminal 3 ID Identify pin Note 1 4 B I Battery In Pin Note 2 5 SMC SMBus clock interface I O pin SMBus data interface I O pin 6 SMD 7 TS Con...

Страница 81: ...8V 5 SUSP 7 1 8V 0 3 5A 1 8V 5 SUSP 8 3VS 0 2 92A 3 3V 5 SUSP 9 3VALW 0 5 8A 3 3V 5 1 10 5VALW 0 5 8A 5V 5 11 5VS 0 3 187A 5V 5 SUSP 1 Always on when AC exist no AC exist control by EC_ON 4 2 Power E...

Страница 82: ...on power rail ON ON ON RTCVCC RTC power ON ON ON SIGNAL STATE SLP_S3 SLP_S4 SLP_S5 VALW V VS Clock Full ON HIGH HIGH HIGH ON ON ON ON S3 Suspend to RAM LOW HIGH HIGH ON ON OFF OFF S4 Suspend to Disk L...

Страница 83: ...NBLB2 Service Manual 77 Chapter 5 Disassembly Guide...

Страница 84: ...r 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 replacement...

Страница 85: ...ok 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 pack wil...

Страница 86: ...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 in the direction of the arrow 4...

Страница 87: ...NBLB2 Service Manual 81 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 module from the HDD case...

Страница 88: ...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 spr...

Страница 89: ...NBLB2 Service Manual 83 4 Grasp the module and pull it out...

Страница 90: ...le the optical drive ODD 1 Turn the notebook upside down 2 Remove three screws securing and remove the thermal cover upward 3 Remove the screw and insert a flat screwdriver into the slot as shown and...

Страница 91: ...play panel and follow the steps below to remove the keyboard 1 Turn the notebook upside down than remove five screws 2 Between the keyboard and cover insert a screw driver then lift up the strip cover...

Страница 92: ...Turn over the keyboard revealing the keyboard cable underneath 5 Use a thin tool such as a screwdriver to lever up the connector bracket and disconnect the keyboard cable from the motherboard 6 Lift a...

Страница 93: ...e System Fan To remove the system fan Then follow the steps below 1 Turn the notebook over Remove three screws securing the system fan and remove the wire of fan 2 Disconnect the fan and lift out the...

Страница 94: ...1 Turn the notebook over Remove four spring 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 95: ...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 of...

Страница 96: ...emoving the LCD Module To remove the LCD module first remove the keyboard Then follow the steps below 1 Turn the Notebook over remove two screws and LVDS cable 2 Remove four screws securing from LCD m...

Страница 97: ...NBLB2 Service Manual 91 3 Them remove LVDS cable and microphone cable speaker cable 4 Remove the LCD module...

Страница 98: ...ter board first remove the keyboard Then follow these steps 1 Remove six screw pads as shown 2 Remove the six screws securing the LCD bezel to the LCD module 3 Carefully insert your fingers between th...

Страница 99: ...ce Manual 93 4 Remove the three screws mounting the display and LVDS CMOS cable to the LCD cover Two screws on the display One screw on the LVDS CMOS cable 5 Detach the LVDS cable from the back of the...

Страница 100: ...NBLB2 Service Manual 6 Gently lift out the display Remove eight screws securing the hinges to the display...

Страница 101: ...emove the camera module first remove the keyboard LCD module LCD display Then follow these steps 1 Remove one screw securing the camera module to the LCD cover Remove the camera module and the camera...

Страница 102: ...board 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 dow...

Страница 103: ...NBLB2 Service Manual 97 3 Lift off the logic upper...

Страница 104: ...first remove 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 boar...

Страница 105: ...nual 99 14 Removing the USB Board To remove the logic upper LED board and motherboard as described in the preceding sections Then follow the steps below two USB board 1 Remove the USB board and then r...

Страница 106: ...g 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 as s...

Страница 107: ...B2 Service Manual 101 16 Removing 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 the Function boa...

Страница 108: ...Bluetooth Module To remove the Bluetooth module first remove the keyboard Then follow the steps below 1 Remove one screw securing the Bluetooth module to the logic upper 2 Disconnect the Bluetooth ca...

Страница 109: ...18 Removing the Touch Pad To remove touch pad first remove the logic upper as described in the preceding sections Then follow the steps below 1 Remove one screw securing the touch pad board to the rea...

Страница 110: ...board 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 dow...

Страница 111: ...NBLB2 Service Manual 97 3 Lift off the logic upper...

Страница 112: ...first remove 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 boar...

Страница 113: ...nual 99 14 Removing the USB Board To remove the logic upper LED board and motherboard as described in the preceding sections Then follow the steps below two USB board 1 Remove the USB board and then r...

Страница 114: ...g 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 as s...

Страница 115: ...B2 Service Manual 101 16 Removing 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 the Function boa...

Страница 116: ...Bluetooth Module To remove the Bluetooth module first remove the keyboard Then follow the steps below 1 Remove one screw securing the Bluetooth module to the logic upper 2 Disconnect the Bluetooth ca...

Страница 117: ...18 Removing the Touch Pad To remove touch pad first remove the logic upper as described in the preceding sections Then follow the steps below 1 Remove one screw securing the touch pad board to the rea...

Страница 118: ...NBLB2 Service Manual Chapter 6 Testing and Troubleshooting...

Страница 119: ...ooting procedures This manual is written under the assumption that the problems are indeed related with Notebook itself The improper usage and application software problems are excluded in this chapte...

Страница 120: ...flowchart in Figure 6 1 as a guide for determining which troubleshooting procedures to execute Before going through the flowchart steps verify the following Ask the user if a password is registered an...

Страница 121: ...NBLB2 Service Manual 107 Figure 6 1 Troubleshooting flowchart 1 2...

Страница 122: ...NBLB2 Service Manual Figure 6 1 Troubleshooting flowchart 2 2...

Страница 123: ...If an 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...

Страница 124: ...NBLB2 Service Manual 3 Power Supply Troubleshooting Figure 6 2 Power Supply Troubleshooting Process...

Страница 125: ...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 126: ...k 1 Check 1 Connect a new AC adaptor If the problem is not resolved go to Check 2 Check 2 Insert a new battery If the problem is still not resolved go to Procedure 3 3 3 Procedure 3 Power supply conne...

Страница 127: ...Procedure 4 Diagnostic check The power supply may not charge the battery pack Perform the following procedures Reinstall the battery pack Attach the AC adaptor and turn on the power If you cannot tur...

Страница 128: ...NBLB2 Service Manual If it is connected firmly go to Check 3 Check 3 The system board may be damaged Replace it with a new one following the instructions in Chapter 4...

Страница 129: ...NBLB2 Service Manual 115 4 Display Troubleshooting Figure 6 3 Display troubleshooting process...

Страница 130: ...This program checks the display controller on the system board Insert the Diagnostics disk in the computer s floppy disk drive turn on the computer and run the test Refer to Chapter 3 Tests and Diagn...

Страница 131: ...117 If the problem still exists perform Check 5 Check 5 Replace the CPU with another of the same specifications If the problem still exists perform Check 6 Check 6 The system board may be damaged Repl...

Страница 132: ...5 Keyboard Troubleshooting Figure 6 4 Keyboard troubleshooting process...

Страница 133: ...e 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 Chapter 3 Test...

Страница 134: ...6 External USB Devices Troubleshooting Figure 6 5 External USB device troubleshooting process...

Страница 135: ...ree 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 firmly secure...

Страница 136: ...7 CRT troubleshooting Figure 6 6 CRT troubleshooting process...

Страница 137: ...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 cable may be da...

Страница 138: ...8 HDMI troubleshooting Figure 6 7 HDMI troubleshooting process...

Страница 139: ...able 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 cable may be d...

Страница 140: ...9 Touch Pad Troubleshooting Figure 6 8 Touch Pad troubleshooting process...

Страница 141: ...heck 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 instructions...

Страница 142: ...10 Speaker Troubleshooting Figure 6 9 Speaker troubleshooting process...

Страница 143: ...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 go to Proced...

Страница 144: ...11 CD ROM DVD Troubleshooting Figure 6 10 CD ROM DVD drive troubleshooting process...

Страница 145: ...drive cleaning product instructions If the problem persists go to Procedure 3 11 3 Procedure 3 Software check Ensure that the appropriate driver has been installed on the computer for the CD DVD driv...

Страница 146: ...12 Wireless LAN Troubleshooting Figure 6 11 Wireless LAN troubleshooting process...

Страница 147: ...dure 12 2 Procedure 2 Connector and replacement check The wireless LAN antenna wireless LAN unit or system board may be disconnected or damaged Disassemble the computer following the steps described i...

Страница 148: ...The system board may be damaged Replace it with a new one following the instructions in Chapter...

Страница 149: ...re 2 yes Replace system board end Figure 6 12 camera trouble shooting process This section describes how to determine if the computer s camera is functioning properly Figure 6 12 outlines the process...

Страница 150: ...board and system board Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks If any of the connections are loose reconnect firmly If any of t...

Страница 151: ...TART Perform bluetooth function procedure 1 Does blue tooth function NG no Blue tooth module is not faulty Perform blue tooth module replacement check procudure 2 yes Replace system board end Figure 6...

Страница 152: ...connection check The blue tooth is connected by the blue tooth cable to the system board Make sure the blue tooth cable is firmly connected to the blue tooth device and system board Replacement Proce...

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