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NTV00 Service Manual

1. _ mn mr Tm 8 Yes _ a ki ea Perform the Power Supply lt Isthe Battery LEDon No gt Troubleshooting procedures in e section 6 2 Tm MANT ad nn ee Perform the Power Supplv IsthePowerOnLEDon No Troubleshooting procedures in E section 6 2 Yes Y ee nn an Mia a Perform the Display lt Isthe logo message display No Troubleshooting procedures in SA a section 6 3 TT Ifthe password message displays type the password then press Enter A a mn ee MN ____ IsWindows being loaded mo Perform diagnostics program Yes Ea A A Figure 6 1 Troubleshooting flowchart 1 2 NTVOO Service Manual Does typed characters appear correctly Yes Insert the diagnostics disk into FDD Then run the diagnostics test program Yes Is the diagnostics test loaded Yes Allow each test to perform automatically 7 Is an error detected by any of the ji diagnostics tests No y System is normal End Figure 6 1 Troubleshooting flowchart 2 2 Perform the keyboard No Troubleshooting procedures in section 6 5 Perform the FDD No gt Troubleshooting procedures in section 6 4 After confirming which diagnostics test has detected an error
2. NOTE Always start laptop disassembly by removing the battery pack first Chapter 5 Disassembly Guide 1 2 Removing the HDD Module Follow the steps below to remove the HDD module 1 2 1 Turn the notebook upside down 1 2 2 Remove the 3 M2 0x3 screws securing the bottom cover 1 2 3 Pull up the bottom cover in the direction of the arrow 1 2 4 Remove the two M2 0x3 screws securing the HDD module in place 1 2 5 Pull the tab to remove the HDD module in the direction of the arrow NTVOO Service Manual 1 2 7 Remove the HDD module from the HDD case Chapter 5 Disassembly Guide 1 3 Removing the RAM Module Follow the steps below to remove the HDD module 1 3 1 Push the latches of the RAM socket The module will be released and pop up NTVOO Service Manual 1 4 Removing Bluetooth Card To remove the Bluetooth card firstly remove the HDD door then follow the steps below 1 4 1 Remove the 1 M2 0x3 screw as shown 1 4 2 lift out the Bluetooth card 10 8 Add Al Chapter 5 Disassembly Guide 1 5 Removing the Wireless LAN Card To remove the wireless LAN card first remove the HDD door Then follow the steps below 1 5 1 Disconnect the two antennas from the Wireless Lan card 1 5 2 Turn over the motherboard and remove the two M2x3 screws securing the wireless card to the motherboard 1 5 3 Remove the wireless card NTVOO Service Manual 1 6 Removing the Keyboard 1 6 1 Lif
3. 12 minutes remaining LED on for 1 second every 4 seconds Amber blinking Battery within critical low state 3 minutes remaining LED on 1 second The system is protected and cannot be re powered every 2 seconds on without the AC power connected Color off Battery not in low or critical low state in discharging state 9 Table 2 2 POWER LED System Power On LED is solid blue blue Solid on System Suspended Blue blinking System Power Off To check the power supply status install a battery pack and connect an AC adaptor to the DC IN port on the computer and to a power supply If the Battery LED is not lit go to Procedure 2 Procedure 2 Adaptor battery replacement A faulty adaptor may not supply power or may not charge the battery Perform Check 1 NTVOO Service Manual 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 Procedure 3 Power supply connection check The power supply wiring diagram is shown below AC adaptor cord AC power cord AC System i adaptor board Battery Any of the connectors may be disconnected Perform Check 1 Check 1 Disconnect the AC power cord from wall outlet Check the power cable for breaks If the power cord is damaged connect a new AC power cord If there is no damage go to Check 2 Check 2 Make sure the AC adapt
4. perform the appropriate procedure as outlined below Yes Chapter 6 testing and troubleshooting If the diagnostics program cannot detect an error the problem may be intermittent The test program should be executed several times to isolate the problem When a problem has been located perform the appropriate troubleshooting procedures as follows If an error is detected by the main battery test perform the Power Supply Troubleshooting procedures in Section 6 2 If an error is detected by the display test perform the Display Troubleshooting procedures in Section 6 3 If an error is detected by the keyboard test perform the Keyboard Troubleshooting procedures in Section 6 4 If an error is detected when using an external USB device perform the External USB Devices Troubleshooting procedures in Section 6 5 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 touch pad perform the Touch Pad Troubleshooting procedures in Section 6 7 If an error is detected when using the speakers perform the Speaker Troubleshooting procedures in Section 6 8 If an error is detected when using the Wireless LAN unit perform the Wireless LAN Troubleshooting procedures in Section 6 9 NTVOO Service Manual Power Supply Troubleshooting Check Power Supply Status Procedure 1 r ii ki a
5. Are the DC IN and ce Replace adaptor battery a Battery LEDs lit Procedure 2 Check power supply connections Procedure 3 B Can you turn the b Ves Run diagnostic program computer on Procedure 4 i i WA en Perform internal connection 7 Are the internal power gt No check nti connections secure Procedure 5 Pan a a a la Bi EP Figure 6 2 Power Supply Troubleshooting Process END Chapter 6 testing and troubleshooting The power supply controls many functions and components To determine if the power supply is functioning properly start with Procedure 1 and continue with the other Procedures as instructed The flowchart in Figure 6 2 gives a summary of the process The procedures described in this section are Procedure 1 Power status check Procedure 2 Adaptor batterv replacement Procedure 3 Power supplv connection check Procedure 4 Diagnostic check Procedure 5 Internal connection check Procedure 1 Power Status Check The following LEDs indicate the power supply status Batterv LED The power supply controller displays the power supply status through the Battery and the POWER LEDs as listed in the tables below 9 Table 2 1 Batterv LED blue blinking Battery charging with AC blue solid on Battery fully charged by AC color off Battery abnormal stop charging with AC Bad cell Overheated Discharging Amber blinking Battery within low state
6. CRT set may be faulty Perform Check 1 Check 1 Try using the set for CRT reception If it does not work the set may be damaged If the set does work perform Check 2 Check 2 Try connecting a different CRT to the computer If the replacement television works the original set may be damaged If the replacement set does not work the system board may be damaged 18 NTVOO Service Manual Touch Pad Troubleshooting START Touch Pad connection check Procedure 1 Touch Pad replacement check Procedure 2 Replace system board END Figure 6 7 Touch Pad troubleshooting process 19 Chapter 6 testing and troubleshooting To determine if the computer s built in Touch Pad is functioning properly perform the following procedures Figure 6 7 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 Touch Pad connection check Procedure 2 Touch Pad replacement check Procedure 1 Touch Pad 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 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 the connections is damaged or there is still an error go to Procedure 2 Procedure 2 Touch Pad replacement check The Touch Pad unit
7. Media Accelerator 3150 Realtek ALC272 2 channel HD Audio Compliant with Universal Audio Architecture Microphone in and headphone out Two stereo 1 0W speakers with chamber Realtek RTL8103EL Wireless LAN 802 11b g 802 11n via PCI E interface 3G module via USB2 0 interface 1 3M Pixel CMOS via USB2 0 interface Bluetooth Ver 2 1 module with USB2 0 interface 84 85 keys support with 100 101 key emulation Windows key Application key 17mm pitch 2 0mm travel length Multi Language support 7 2 Pe ol e p ej 3 le O jla 3 O Z E DD On board Comms Pointing Device RJ 45 jack x 1 Headphone out x 1 Microphone in x 1 3 in 1 Card Reader x1 USB 2 0 x 3 RGB VGA port x 1 15pins DC in jack x 1 Power Button x 1 User keys Kill switch x 1 Magnetic Lid Switch x 1 Universal AC adapter 100 240V AC 50 60HZ gt 30W with 19V DC gt 2 pin 240V AC cable gt Wall mount type 3 cell Li On 18650 type 2250mAh Standard 6 cell Li On 18650 type 4500mAh Option Life Cycle 70 Design Capacity after 300 Cycles in 25degreeC Phoenix BIOS I O Ports Flash ROM 1MB Support multi boot Suspend to RAM S3 Disk S4 Support SMBIOS 2 4 PCI2 2 DMI utility for BIOS serial number configurable asset tag Support PXE Wake on LAN from S3 Wake on LAN from S4 in AC mode Operatina Svstem Windows XP Home edition 32bit kai Windows 7 l E gt iE gt gt lt el y D e 5 O O y
8. check Connect an external displav to the computer s external monitor port then boot the computer The computer automatically detects the external display Press Fn F3 to switch to the external display If the external display works correctly the internal LCD may be damaged Go to Procedure 3 If the external monitor appears to have the same problem as the internal monitor the system board may be damaged Go to Procedure 2 Procedure 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 computers floppy disk drive turn on the computer and run the test Refer to Chapter 3 Tests and Diagnostics for details If an error is detected go to Procedure 3 If an error is not detected the display is functioning properly Procedure 3 Connector and replacement check The FL inverter board LCD module and system board are connected to the display circuits Any of these components may be damaged Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks Check 1 Make sure the DDRRAM module is seated properly Test display again If the problem still exits replace the DDRRAM module If the problem still exists perform check 2 Check 2 Replace the FL inverter board with a new one and test display again If the problem still exists perform Check 3
9. management ACPI mode The operating system detects when the system is idle and places the CPU in one of the 3 CPU low power states C1 C2 or C3 depending on how much latency it believes the system can afford The C1 state is simply the CPU halt instruction The C2 state is the CPU stop grant state The C3 state is the CPU stops clock state The CPU stays in this state until an interrupt occurs 5 4 2 Hard Disk NTVOO Service Manual The operating system uses the spin down timer of the hard drive 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 monitor can be turned off after a period of no activity based on the settings of the OS 5 4 4 System Wake Up Sources The table below lists the wake up events for all low power states me KAA ASA 0 o po wo foore CC MC Field Process Required identifies that further process for the occurred events must be processed during wake up or resume procedure Notes 1 Hot keys are not wake up source of standby suspend to RAM and Hibernate states 2 Lan On board and RTC can wake up source of Suspend and Hibernate states with AC mode 5 4 4 1 LAN LAN On board The function of waking up the system from standby DC AC hibernation AC mode is supported 5 4 4 2 Real Time Clock Alarm The Real Time Clock alarm interrupt will
10. or FPC may be defective or damaged 20 NTVOO Service Manual Speaker Troubleshooting TAS START Perform audio source test Procedure 1 ia i Speakers are not WA Do all sources have YA faulty Continue 7 Wa see Figure 2 1 Perform earphone test Procedure 2 al kal Pl hl F a si E y a e ji f Do hones pe kell kal all b LJ Pad function correc A ki a he a he art he mai Pai Perform connection check No Procedure 3 Figure 6 8 Speaker troubleshooting process wa IR Chapter 6 testing and troubleshooting To determine if the computer s built in speakers are functioning properly perform the following procedures Figure 6 8 outlines the process First adjust the speaker volume to an appropriate level Start with Procedure 1 and continue as instructed Procedure 1 Audio source test Procedure 2 Earphone test Procedure 3 Connection check Procedure 4 Replacement check Procedure 1 Audio source test Try different audio sources e g an audio CD and digital music file to determine whether the fault is in the speaker system or not If not all sources have sound problems the problem is in the source devices If all have the same problem continue with Procedure 2 Procedure 2 Earphone test Connect a set if earphones or external speakers If these function correctly go to Procedure 3 If they do not function correctly the system board
11. 1 EE information Capacity mAH Capacity mAH Smart Battery Smart Battery Dumb Smart Battery Dumb Smart Battery SMBus ver 1 1 SMBus ver 1 1 EN Y Cycle Life 300cycle 70 300cycle 70 Cycle Life Nominal Charging 12 6 Nominal Charging Voltage V Voltage V Nominal Charging Nominal Charging Current A kd sk Current A OVP OVP Protection Function UVP UVP OTP OTP OCP OCP Protection Function 1 2 Batterv Connector Pin Assignment Connector Male on M B ALLTOP C144U2 Connector Female on Batterv ALLTOP C144U1 Comments Batterv Negative Terminal SMBus clock interface I O pin SMBus data interface I O pin Connect to thermister Note 3 Battery In Pin Note 2 Identifv pin Note 1 Batt Batterv Positive Terminal Note 1 ID pin must be floating 2 The battery can be charged discharged only while this pin is connected to GND by the system 3 Thermister DTN C103F3H SYS115A or 103AT2 equivalent The other thermister Pin is connected GND U ELL f Pin 1 B Chapter4 DC DC Converter 3 12 3 2 6 12 2 On board RTC battery Maxell ML1220T13RE 3 0V 14mAH Lithium 3 12 4 2 6 12 3 Sanyo ML1220T28 3 0V 15mAH Lithium 4 Safety Protection 4 1 Open lamp protection When inverter is on open lamp status any component on inverter should be O K and inverter is no damaged no fire and no arcing If inverter can t shunt down during open lamp happen inverter must pass below conditions i Human b
12. 5 3VALWP 3 3V 65 75 1 05VSP 1 05V 65 75 1 8VSP 1 8V 65 75 0 89VSP 0 89V 65 75 CPU_CORE Under 230mV programmed VID level 3 10 Short circuit protection Latch mode for 5VALWP 3VALWP CPU_COREP 3 11 I O Chapter4 DC DC Converter 3 11 1 DC Jack Pin 1 Center pin Adapter power input Pin 2 Barrel Ring Adapter power return 3 11 2 Battery Connector Pin 1 BATT Pin 2 ID Pin 3 B I Pin 4 TS Pin 5 EC SMDA SMD Pin 6 EC_SMCA SMC Pin 7 GND 3 11 3 Interface between Powers with M B kem emm jie suse kan suspndconotsgnat susre Low system suspend coral swew p rt Go I Low Active POWER ON control signal Facts hmm meme O ACIN High Active provide KB926 to mean the Adaptor power is present a vore nace vennoten jo von inca ummortescruoore CuK ENABLEY mare erae aragones Jo corr nace tame Str daan BATT TEMPA Analog signal KB926 using this voltage level to calculate batterv s temperature ON e l MANEWON Jwmremalasswr ke 3 12 BATTERV 3 12 1 Li ion Smart batterv for NTVOO 18650 3S1P 11 1V 2250 mAH 18650 3S2P 11 1V 4500 mAH NTVOO Service Manual More than 300 charging discharging cycles Modularized battery pack easy to be replaced 3 12 2 Battery Specification Battery Design Battery Design Capacity mAH can 1990 Capacity mAH Battery Nominal Battery Nominal Voltage V i l Voltage V Single Cell 2250 2250 Single Cell 1
13. 90 Ripple voltage 100mVp p max 66mVp p max 36mVp p max Item 1 5VSP 0 89VSP 1 05VSP Nominal voltage 1 5V 0 89V 1 05V Min current OA OA OA Max Current 1 61A 1 85A 2 45A Peak current 2 30A 2 64A 3 50A Total regulation 1 5V 590 0 89V15 1 05V15 Ripple voltage 30mVp p max 18mVp p max 21mVp p max Item 0 9VSP CPU CORE Nominal voltage 0 9V 1 024 1 25V Min current OA OA Max current 0 21A 4 23A Peak current 0 3A 6 04A Total regulation 0 9V 5 5 8mv A Ripple voltage 18mVp p max 20mVp p max 3 5 VOLTAGE IDENTIFICATION CODES Chapter4 DC DC Converter a lo lo lo 1 2000 i o lbo h h lb lb h 1 1875 o fo h h b h 1 1750 o b h h b h h 1 1625 o fo h h h jo 1 1500 o fo h h h b h 1 1375 o lbo h h h h 1 1250 o lo h h h h h 1 1125 o h lo jo fo fo 1 1000 o h lo lo fo Jo h 1 0875 o h bo b Jo h 1 0750 o ha lo lo Jo h h 1 0625 o h bo b h lo 1 0500 o h lb jo h lo h 1 0375 o a jo lb h h 1 0250 o h jo lbo h h h 1 0125 o h bo h lo lo 1 0000 o ha jo h bo b h 0 9875 o ha jo h b h 0 9750 o h lb h b h h 0 9625 o h jo h h bo 0 9500 o h jo h h b h 0 9375 o h bo h h h 0 9250 o ha jo h h h h 0 9125 o h h lbo lo bo 0 9000 o h h Jo jo lb h 0 8875 o h h lb b h 0 8750 o ha h lb b h h 0 8625 o h h b h lb 0 8500 o ha h b h b h 0 8375 o h h b h h 0 8250 o h h b h h h 0 8125 o h h h b b 0 8000 o ha h h lb b h 0 7875 o h h h b h 0 7750 o ha h h b h h 0 7625 o h h h h b 0 7500 o h h h h h
14. Chapter 1 System Description Specification Chapterl System Description Specification 1 SCOPE This document describes the functional specifications for the Compal Netbook personal computer NTVOO series The system is hardware and software compatible with the IBM PN ATX personal computer 1 1 CPU e Intel Atom M Processor N455 N475 1 2 Memory e Noon board memory e Support DDR II 667MHz e One SODIMM Support with 1GB modules Maximum Support 2GB 1 3 Chipset e Intel NM10 Express Chipset 1 4 Display e Support 10 1 WSVGA 1024 x 600 1 5 Keyboard e 34 85 keys support with 100 101 key emulation without stick point e Windows key Application key e 17mm pitch 2 0mm travel length e Multi Language support 1 6 Hard Disk Drive HDD e 9 5mm 2 5 S ATA HDD 5400rpm 160 250 320 500 GB capacity e 7200rpm 160 GB capacity e Easily removable 1 7 Graphics Chip e Pineview M Intel Graphics Media Accelerator 3150 1 8 Audio e Realtek ALC272 e 2channel HD Audio e Compliant with Universal Audio Architecture e Microphone in and headphone out e Two stereo 1 0W speakers 1 9 Pointing Device e Touchpad without buttons support multi touch 1 10 1 0 Ports e RJ 45 jack x 1 e Headphone out x 1 e Microphone in x 1 e 3 in 1 Card Reader xi e USB2 0x3 NTVOO Service Manual RGB VGA port x 1 15pins DC in jack x 1 Kensington lock x 1 Internal analog microphone x 1 1 11 System Status Indicators Ul spec 1 LED for Power Button B
15. Check 3 Replace the LCD module with a new one and test display again If the problem still 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 specifications If the problem still exists perform Check 6 Check 6 The system board may be damaged Replace it with a new one a L2 NTVOO Service Manual Keyboard Troubleshooting START Perform external keyboard check Procedure 1 a ri a P i er _ Does the external keyboard function ok i la T Perform diagnostic check Procedure 2 No e zi on l on Was a keyboard T problem detected a gi a er ka a an Fa Perform connector and replacement check Procedure 3 Replace system board Figure 6 4 Keyboard troubleshooting process o Ts Keyboard is not faulty Continue troubleshooting refer to Figure 2 1 Chapter 6 testing and troubleshooting To determine if the computer s keyboard is functioning properly perform the following procedures Figure 6 5 outlines the process Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 External kevboard check Procedure 2 Diagnostic check Procedure 3 Connector and replacement check Procedure 1 External keyboard check Connect a USB keyboard to one of
16. L Q O en O D a gt D 5 Chapter2 Software Specification Control Buttons Eeen Magnetic lid switch control for system standby resume NTVOO Service Manual 2 System Controls 2 1 Buttons 2 1 1 Power Button The activity of the power button is as follows e f system is Off Hibernate System will be turned on while Power switch is depressed e f system is in Standby state System will resume while Power switch is depressed e If system on with legacy mode depress this button will turn off power If system is running in ACPI OS the power button acts as the sleep button and let OS controls the policy 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 notifying the operating system 2 1 3 Lid switch If the system is running under legacy mode e Closing the lid will turn off LCD backlight If the system is running under ACPI mode e 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 nothing the backlight must turn off when the lid is closed 2 2 System status indicators Please refer to Keyboard BIOS specification Chapter Software Specification 3 Core BIOS Features 3 1 Multi Boot The netbook can supp
17. MB ASSY 14 Chapter 5 Disassembly Guide 1 11 2 Disconnect the fan connector from the motherboard as shown and lift out the system fan LI ERIN dial AL aa MANT CAUTION When vou remove the thermal module use the CPU grease tool to remove the grease on the CPU and thermal module Reapply fresh grease before reinstalling the thermal module 1 12 Removing the LCD Module To remove the LCD module first remove the keyboard and the function button board Then follow the steps below 15 NTVOO Service Manual 1 12 1 Remove the two M2 0x5 screws on hinge front side 1 12 2 Remove the LCD module 16 Chapter 5 Disassembly Guide 1 13 Disassembling the Display To disassemble the display and inverter board first remove the LCD module Then follow these steps 1 13 1 Remove the four screw pads 1 13 2 Remove the 4 M2 0x4 screws securing the LCD bezel to the LCD module 1 13 3 Carefully insert your fingers between the display and the LCD bezel as indicated by the arrow and gently pry up the LCD bezel detail information please refer to the reference 1 13 4 Remove the 2 M2 0X3 screws mounting the display s lis NTVOO Service Manual amp Panel Cover 1 13 6 Disconnect the inverter cable from the back of the LCD panel 18 109 Chapter 5 Disassembly Guide NTVOO Service Manual 1 14 Removing the Camera Module To remove the camera module
18. No It still stay in Setup when press a key Discard Changes Allows the user loads previous value in CMOS Setup The following message is prompted when press Enter on this item Setup Confirmation Load previous configuration now Yes No It still stay in Setup when press a key Save Changes Allows the user to save changes and not exit Setup The following message is prompted when press Enter on this item Setup Confirmation Save configuration changes now Yes No It still stay in Setup when press a key 16 Chapter2 Software Specification 11 OS Compatibility Netbook XP OS Compatibility Win7 Chapter 3 Hardware Chapter3 Hardware 1 Major Sub assembly Specification System interconnection For NTVOO 1 1 Top View MUL Le nf Lo m i Ce E gt E Lf mo oes emmer II En Tiere Com ee TT emee ooo HEKS CORE eme a a wsom II NE NTVOO Service Manual 1 2 Bottom view LI LI NO veseo rope AI CC OP is jason fa toc onus o REE CE WA fm jose EN BEEN fe omen WA Chapter 4 DC DC CONVERTER Chapter4 DC DC Converter 1 Power 3 cells Li lon 18650 size smart battery Pack with 24 975 Wh 3 7 2 25 capacity 6 cells Li lon 18650 size smart battery Pack with 49 95 Wh 3 7 4 5 capacity 2 DC DC CONVERTER NTVOO Series Power System block diagram NTVOO Service Manual 2 1 NTVOOA
19. O 40 C Storage temperature 20 C TO 65 C 2 3 15 NTVOO Adapter Description This specification defines the performance and characteristic of 30W AC adapter power supply It supplies a constant voltage 19V output source for NTVOOseries notebook computer 2 3 16 Feature Accepts universal input from 90V AC to 264V AC Offers constant Voltage 19V output source with 30W max output power capacity Meet EPA Energy Star level 5 requirement Compact Size 2 4 Electrical Specification Chapter4 DC DC Converter 2 4 1 Input Voltage range universal input 90Vac TO 26440 2 4 2 Inrush current less than 50A with No damage 2 4 3 Input frequency range 47 63Hz 2 4 4 Input Current 1 0Amax at 100V ac 2 4 5 Start up time lt 5sec Max 115 and 230 Vac full load 2 4 6 HOLD UP time gt 10ms 115VAC full load condition 2 4 7 OVP less than 26V with No damage and automatic shut down 2 4 8 Short circuit protection Output can be shorted without damage and auto recovery 2 4 9 OUTPUT Voltage Regulation 18 5 20V including the effects of line Voltage variation load current ripple and noise 2 4 10 OUTPUT Current OAmin 1 58Amax continuous 2 4 11 OUTPUT Voltage ripple 250mv PK PK for resistor load 2 4 12 OUTPUT Voltage Dynamic regulation Output voltage within18 5 20V load current 10 lt gt 100 frequency 100Hz 50 duty cycle recover time lt imsec 2 4 13 DC OUTPUT PIN OUT PIN1 Center Pin Adapter output PIN2 Barrel Ring Ad
20. PI OS setting Press Lid switch depends on ACPI OS setting Press Power Button depends on ACPI OS setting 6 4 Storage Devices and Batteries Possible storage devices are FDD HDD CD ROM and DVD ROM e Floppy Disk and Hard Disk CD ROM and DVD ROM The BIOS must report the correct types of these devices if the drive is installed in the system during POST Two devices which belong to the same category are not supported in this netbook e Batteries NTVOO Service Manual The BIOS must follow ACPI specification and report the correct number of the installed battery and status 6 5 Bootable Device The system is capable of booting from onboard HDD external USB Floppy and USB Flash device 6 6 Embedded controller The keyboard controller will act as the ACPI embedded controller and support the ACPI EC protocol and interface Chapter Software Specification 1 PC2001 The netbook must meet Microsoft Logo requirements in accordance with the PC2001 Guide and the Microsoft Logo test programs 8 Miscellaneous Features 8 1 Single BIOS ROM The system BIOS and Keyboard BIOS share one single flash ROM The size of the flash ROM is 1MB 8 2 USB Support This feature allows the use of a USB keyboard to access BIOS Setup and to be used in DOS without additional drivers USB floppy boot is also supported The driver provides other USB devices support after loading the operating system 8 3 Flash utility one BIOS ROM
21. and should be replaced If the alternative USB device appears to have the same problem as the original device the system board may be damaged Go to Procedure 2 Procedure 2 Replace system board If the error persists the system board may be damaged 16 NTVOO Service Manual CRT troubleshooting 4 Perform CET connection check procedure 1 Does replace CRT cable fuchon property replace CRT cable Perform CRT zet check Precedure 2 CET fuchoning DE Use different CET zet 3 replace system board Figure 6 6 CRT troubleshooting process gt MF se Chapter 6 testing and troubleshooting To determine if the computer s CRT port is functioning properly perform the following procedures Figure 6 6 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 CRT connection check Procedure 2 CRT set check Procedure 1 CRT connection check The CRT cable may be damaged or the connections may be loose Perform Check 1 Check 1 Make sure CRT cable is firmly plugged into both the CRT set and the CRT port of the computer 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 cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 Procedure 2 CRT set check The
22. apter returns 2 4 14 Temperature Range Operating temperature 0 C TO 40 C Storage temperature 20 C TO 65 C 3 DC DC CONVERTER 3 1 Description The DC DC converter is designed to supply the power for NT VOO series notebook computer of Compal It supply 5VALWP 3VALWP 1 8V 1 5VSP 1 05VSP 0 9VSP 0 89VSP for logical system CPU_CORE for CPU and supplies 3VALWP for the built in KB926 microprocessor which handles the keyboard and PMU control functions of the system The power ON OFF is controlled by KB926 There is also a built in charger power source It can charge battery pack whether the computer is ON or OFF 3 2 Features 3 2 1 High efficiency up to 85 using battery 3 2 2 Accept wide range DC input voltage from 9V to 19V 3 2 3 Built in charger power source 3 2 4 The power ON OFF is controlled by software 3 3 Electrical specification 3 3 1 Input Voltage Current 9V to19V at the summing point of AC DC and battery INPUT Current 3 375A max from 3 cell battery INPUT Current 6 75A max from 6 cell battery 1 58A max from 30W AC DC Adapter 3 4 Temperature Range 3 4 1 Operating temperature 0 C to 40 C NTVOO Service Manual 3 4 2 Storage temperature range 20 C to 65 CDC DC OUTPUT 3 4 3 Fixed output voltage Current Item 5VALWP 3VALWP 1 8VP Nominal voltage 5V 3 3V 1 8V Min current OA OA OA Max Current 4 16A 4 32A 2 46A Peak current 5 94A 6 17A 3 52A Total regulation 5V 5 3 3V15 1 8V 5
23. b h 0 7375 o ha h h h h 0 7250 NTVOO Service Manual 3 6 Charger 3 6 1 Controlled by KB926 microprocessor from motherboard 3 6 2 Temperature sense capability for the battery charge active between 0 C 50 C 3 6 3 Fast charge current 1 5Amps max for Li lon Battery at system off approach 28 5 19 1 5 W fast charge at system ON Depend on system load 3 6 4 Trickle charge Typical 500mA pre charge current for Li lon Battery All trickle charge are controlled by KB926 3 6 5 Charge termination When Fully Charge bit is set charger is terminated by KB926 3 6 6 When system turns off the charged time from empty to full be 3 hrs typically and 3 5 0hrs maximum for Li ION battery 3 6 7 Other battery services are presented by KB926 microprocessor includes maximum charging timer charging temperature range etc 3 6 8 Charger power Constant current mode 1 58A 8 Constant adapter current mode 1 58A479 For 30W system BATT Constant Voltage mode 12 6V 1 for 3cell 6 cell Li lon battery 3 7 OVER Current protection 5VALWP 6 37A min 3VALWP 6 43A min 1 8V 6 37A min 0 89VSP 5 92A 1 05VSP 6 01A CPU CORE 10 169A min 3 8 OVER Voltage protection 5VALWP 5V 112 5 117 5 3VALWP 3 3V 112 5 117 5 1 05VSP 1 05V 110 120 1 8VSP 1 8V 110 120 0 89VSP 0 89V 110 120 CPU_CORE over 160mV of programmed VID level 3 9 Under voltage protection 5VALWP SV 65 7
24. dapter Description This specification defines the performance and characteristic of 30W AC adapter power supply It supplies a constant voltage 19V output source for NTVOO series notebook computer 2 2 Feature e Accepts universal input from 90V a to 264V ac e Offers constant Voltage 19V output source with 30W max output power capacity e High efficiency 85 min at 100 240Vac e Compact Size 2 3 Adapter Electrical Specification 2 3 1 Input Voltage range universal input 9OVAC to 264VAC 2 3 2 Inrush current less than 50A with No damage 2 3 3 Input frequency range 47 63Hz 2 3 4 Input Current 0 8Amax at 100VAC 2 3 5 Start up time lt 5sec Max 115 and 230 Vac full load 2 3 6 HOLD UP time gt 10ms 115VAC full load condition 2 3 7 OVP less than 26V with No damage and automatic shut down 2 3 8 Short circuit protection Output can be shorted without damage and auto recovery 2 3 9 OUTPUT Voltage Regulation 18 5 20V including the effects of line Voltage variation load current ripple and noise 2 3 10 OUTPUT Current Current OAmin 1 58Amax continuous 2 3 11 OUTPUT Voltage ripple 250mv PK PK for resistor load 2 3 12 OUTPUT Voltage Dynamic regulation Output voltage within18 5 20V load current 10 lt gt 100 frequency 100Hz 50 duty cycle recover time lt imsec 2 3 13 DC OUTPUT PIN OUT PIN1 Center Pin Adapter output PIN2 Barrel Ring Adapter returns 2 3 14 Temperature Range Operating temperature 0 C T
25. e and application software problems are excluded in this chapter The system BIOS Beep Code is an integrated unit to detect some errors in the system board This beep code will give NTVOO Service Manual immediate identification of certain system board problems If the troubleshooting procedure is followed step by step it can efficiently isolate the problem and the problem can be solved easily 1 1 PERFORM VISUAL INSPECTION Check the following e Power cords are properly connected and secured Power supply is adequate for operation There are no obvious shorts or opens There are no obviousiv burned or heated components All components appear normal 1 2 Troubleshooting Flowchart Use the flowchart in Figure 6 1 as a quide for determining which troubleshooting procedures to execute Before going through the flowchart steps verify the following Ask the user if a password is registered and if it is ask him or her to enter the password Verify with the customer that windows XP is installed on the hard disk Operating systems that were not preinstalled by Compal can cause the computer to malfunction Make sure all optional equipment is removed from the computer Make sure the floppy disk drive is empty Chapter 6 testing and troubleshooting Connect the AC adapter to the DC IN socket E adi ae ee Perform the Power Supply IstheDC INLEDon No Troubleshooting procedures in i i section 6 2
26. first remove the LCD module and lift out LCD display and inverter board Then follow these steps 1 14 1 Remove the camera module ma 20 Chapter6 Testing and Troubleshooting Chapter 6 testing and troubleshooting 1 Testing and Troubleshooting The purpose of this chapter is to provide a systematic method of isolating problems you may have with the NTVOO series Notebook Computer We assume that you have a basic understanding of START Connect the AC adapter to the DC IN socket ae ise A Perform the Power Supply IstheDC INLEDon No gt Troubleshooting procedures in A section 6 2 Yes al li Perform the Power Supply IIsthe Battery LEDon No gt Troubleshooting procedures in a AA section 6 2 Yes Y Turn the Power switch on Yes sl AN Perform the Power Supply ___ IsthePowerOnLEDon No gt Troubleshooting procedures in section 6 2 Mil tal la al a hee Perform the Display Isthelogo message display No gt Troubleshooting procedures in os Ca er ad section 6 3 Yes _ Ifthe password message displays type the password then press Enter Is Windows being loaded No Perform diagnostics program Yes y DOS based computer systems as well as knowledge of standard troubleshooting procedures This manual is written under the assumption that the problems are indeed related with Notebook itself The improper usag
27. ication CD DVD CD DVD Drive Model name FDD LAN USB Memory F1 Help fi Selectltem F5 F6 Change Values F9 Setup Defaults Esc Exit lt gt Select Menu Enter Select Sub Menu F10 Save and Exit 1 The menu will show up if the device is available This menu allows the user to decide the order of boot devices to load the operating system Bootable devices include the diskette drive in module bay the onboard hard disk drive and the CD ROM in module bay Exit Menu Phoenix SecureCore tm Setup Utility Main Advanced Security Boot Exit Item specific Help Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes F1 Help 74 Selectltem F5 F6 Change Values F9 Setup Defaults Esc Exit lt gt Select Menu Enter Select Sub Menu F10 Save and Exit Exit Saving Changes Allows the user to save changes to CMOS and reboot system The following message is prompted when user press Enter on the item 15 NTVOO Service Manual Setup Confirmation Save configuration changes and exit now Yes No Yes Exit SETUP and reboot No Back to previous screen Exit Discarding Changes Setup Warning Configuration has not been saved Save before exiting Yes No Load Setup Defaults Allows the user loads default value in CMOS Setup The following message is prompted when user press Enter on this item Setup Confirmation Load default confirmation now Yes
28. ini card slot for WLAN module 1 26 Security e Kensington lock 1 27 Regulatory e EMI FCC B CE CCC C Tick BSMI e Safety Compliant to UL CSA TUV CB e WHQL LOGO Windows XP home Windows 7 e Energy Star 5 0 NTVOO Service Manual 2 Mechanical Specification FOR 10 1 Notebook 10 3 W x7 4 D x1 04 H 260 0mm W x186mm D x26 4mm H 2 3lb 2 4lb including HDD and BATT module 2 1 Option Pack AC adapter HDD Pack SSD Pack BATT Li ion BATT Li ion 2 2 Mechanical Function Removable HDD Module BATT 180g 104g 9 5mm 14g 165g 3cell 3559 6cell Battery changeable Li ion For security can use Kensington Lock Scissor type key board standard pitch 2 0 m m travel length 2 3 Mechanical Material Plastic PC ABS LG GN 5001RFA UNI MB 1700 UNI MB 8800 BAYER FR3002 Plastic PC ABS Talc LG GN 5151RFA UNI TMB 1615 Chapterl System Description Specification Chapter 2 Software Specification NTVOO Service Manual 1 System Components Summary Intel Atom 45nm Standard Voltage N455 1 66GHz 667MHz FSB 512KB L2 catch Ed Intel Atom 45nm Standard Voltage N475 1 83GHz 667MHz FSB 512KB L2 catch No on board memorv Support DDR III 667MHz SODIMM with 1GB 2GB modules Maximum Support 2GB Easv upgrade from bottom side for one SODIMM 10 1 WSVGA 1024 x600 9 5mm 2 5 S ATA HDD 5400rpm 160 250 320 GB capacity Easily removable Pineview M Intel Graphics
29. lue 1 LED for Power Status Blue 1 LED for Battery status Charging Full L1 L2 Blue Amber 1 LED for HDD activity Blue 1 LED for Wireless LAN Bluetooth Blue 1 LED for T P Disable Amber 1 12 Web Camera 1 13 LAN 1 3M Pixel CMOS via USB2 0 interface Realtek RTL8103EL 1 14 WLAN Option 1 15 3G Wireless LAN 802 11b g 802 11n via PCI E interface 3G module via USB2 0 interface 1 16 Bluetooth Option Bluetooth Ver 2 1 module with USB2 0 interface 1 17 Media Card Reader 3 in 1 Card Reader SD MMC MS 1 18 Control Buttons Power button x 1 Magnetic lid switch control for system standby resume 1 19 Kill Switch YES for WLAN 3G Bluetooth 1 20 AC Adapter gt gt gt Universal AC adapter 100 240V AC 50 60HZ 0 8A 30W with 19V DC 1 58A 2 pin 240V AC cable Wall mount type 1 21 Battery 3 cell Li On 18650 type 2250mAh Standard 6 cell Li On 18650 type 4500mAh Option Life Cycle 70 Design Capacity after 300 Cycles in 25degreeC 1 22 Software Phoenix BIOS Chapterl System Description Specification e Flash ROM 1MB e Support multi boot e Suspend to RAM S3 Disk S4 e Support SMBIOS 2 4 PCI2 2 e DMI utility for BIOS serial number configurable asset tag e Support PXE e Wake on LAN from S3 e Wake on LAN from S4 in AC mode 1 23 Application e Wireless select enable disable e Lock key 1 24 OS e Windows XP Home edition 32bit e Windows 7 1 25 Mini Card e 1M
30. lues F9 Setup defaults Esc Exit lt gt select menu Enter Select Sub Menu F10 Save and Exit Set Supervisor Password Enter this field always shows the message 13 NTVOO Service Manual While this field is highlighted then press Enter the following message is shown Set Supervisor Password Enter New Password Confirm New Password If there is an old password then setup will prompt with the following window instead and a current password will be required to be entered at first Set Supervisor Password Enter current password Enter New Password Confirm New Password User can type password in field of enter new password and re enter password in field of confirm new password for verification If verification OK Setup Notice Changes have been saved Continue The supervisor password is set complete after user press enter If verification fail Setup Warning Password does not match Re enter Password Continue If password on boot is required the password must be set otherwise it cannot be enabled The formats of the password are as follows Length No more than 8 characters Characters Alphanumeric keys only The shift status i e Ctrl Shift Alt and Capital are ignored 10 2 3 Boot Menu Phoenix SecureCore tm Setup Utility Main Advanced Security Boot Item specific Help HDD1 SSD1 Hark Disk Model name 4 14 Chapter Software Specif
31. may be defective or damaged Replace it with a new one Procedure 3 Connection check Disassemble the computer following the steps described Replacement Procedures and make sure the speaker cable is firmly connected to the system board If the stereo speakers are still not functioning properly go to Procedure 4 Procedure 4 Replacement Check If the stereo speakers don t sound properly the stereo speakers may be defective or damaged Replace them with new ones lf the stereo speakers still do not work properly KIZA Chapter 6 testing and troubleshooting Wireless LAN Troubleshooting e START Perform diagnostic test Procedure 1 Wireless LAN system is not faulty Perform connector and replacement check Procedure 2 Replace wireless LAN antenna unit Replace system board Figure 6 9 Wireless LAN troubleshooting process IA NTVOO Service Manual The wireless LAN antenna wire wireless LAN unit or system board may each be the source of a wireless LAN fault Any of these components may be damaged To determine if the computer s wireless LAN system is functioning properly perform the following procedures Figure 6 9 outlines the process Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 Diagnostic test Procedure 2 Connector and replacement check Procedure 1 Diagnostic test Run the Diagnostic Program which will automaticallv execute the wireless LAN test Refer
32. n function keys and power saving functions are disabled 10 2 Setup screens 10 2 1 Main Menu Phoenix SecureCore tm Setup Utility Main Advanced Security Boot Exit Item specific Help System Time 12 00 00 System Date 01 01 2008 Product Name XXXXXXX Serial Number XXXXXXX Total Memorv XXX MB BIOS Version VX XX UUID Number XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX F1 Help fl Selectitem F5 F6 Change Values F9 Setup Defaults Esc Exit lt gt Select Menu Enter Select Sub Menu F10 Save and Exit System Time and Date The hour is displayed with 24 hours format The values set in these two fields take effect immediately Product Name Serial Number and UUID Number Display product name serial number and UUID number Total Memory This field reports the memory size of the extended memory with an integer in the system BIOS Version This field displays current version of the BIOS 10 2 2 Advanced Menu Phoenix SecureCore tm Setup Utility Main Advanced Security Boot Exit 12 Chapter Software Specification Item specific Help SATA Controller Mode AHCI F1 Help fl Selectltem F5 F6 Change Values F9 Setup Defaults Esc Exit lt gt Select Menu Enter Select Sub Menu F10 Save and Exit Security Menu Phoenix SecureCore tm Setup Utility Main Advanced Security Boot Exit Item specific Help Supervisor Password Is Clear Set Supervisor Password Enter F1 Help TY selectitem F5 F6 change va
33. ns in Chapter 4 If the problem still exists perform Check 4 Check 4 The system board may be damaged Replace it with a new one following the instructions in Chapter los Chapter 6 testing and troubleshooting Reference Hook Release Procedure E 030 NTVOO service manual ntv00 25
34. ody test ii Open lamp burning Inverter burns for 24 hours at open lamp status No parts damage 4 2 Human body safety test Short inverter output transformer secondary output to GND by a 2KQ resistor which connects one end to GND and another one to those outputs They should meet output current limitation requirement as follow Output current l is the current that flows through 2KQ resistor 1 Output current lt 0 7mA if frequency f lt 1KHz 2 Output current lt 0 7mA f kHz if f 2 1KHz However output current should be less than 70mA even frequency is more than 100KHz 4 3 Abnormal test Any one component is short or open inverter should be no fire no arcing And result must meet output current limitation requirement 10 Chapter 5 Disassembly Guide 1 Disassembling the Base Unit These are the directions for disassembling the base unit You will need a 5 5mm Nut Driver a medium size Philips screwdriver These directions are to disassemble the complete unit and are cross referenced to Chapter 7 for the replacement of component parts Before disassembly make sure the notebook is powered off 1 1 Removing the Battery Module To remove the battery pack from the battery bay follow the steps below 1 1 1 Turn the notebook upside down 1 1 2 Slide the battery lock to unlock the battery pack 1 1 3 Slide the battery release latch in the direction of the arrow gently pry the battery pack from its housing
35. on in CMOS on each boot This information includes e DRAM size and configuration e Hard disk configuration 9 3 System Management BIOS SM BIOS version 2 4 DMI 2 0 Limited DMI 2 0 BIOS information are provided BIOS version number is type O data item Type 1 e System serial number 64 alphanumeric characters with 12 character bundle number e System manufacturer name COMPAL e System product name 32 alphanumeric characters e System version 32 alphanumeric characters Type 2 e Motherboard Product name NTVOO Type 3 e Asset tag number 64 alphanumeric characters 9 4 EEPROM There is one EEPROM that is used to store many important system and user data in the netbook some data are reserved for future to use The size of the EEPROM is 2K bytes The EEPROM map is listing as below 00h 1Fh 32 bytes of Serial number System Serial Number 20h 3Fh 32 bytes of Bundle number 16 bytes for DMI Manufacturer name 40h 4Fh type 0 BIOS Vendor type 1 2 3 Manufacturer 10 Chapter Software Specification Reserved Reserved LAN FIRST BOOT 100h 1 byte for LAN FIRST BOOT BIOS record data address 100h 120h 32 bytes for BIOS record data address 2 e NTVOO Service Manual 10 System Setup 10 1 Invoking setup The setup function can only be invoked by pressing F2 when Press lt F2 gt to enter Setup message is prompted on the bottom of screen during POST During setup all F
36. only The flash utility can be used to program both system and keyboard BIOS at the same time 8 4 Crisis Recovery This feature provides an opportunity for system that cannot boot up With a crisis USB flash stick the system can perform crisis recovery by using internal PS2 keyboard To perform crisis recovery using keyboard do the following Power off the system Plug in the USB flash stick drive with crisis with crisis file inserted Hold down Fn B keys Plug in AC adapter and make sure it is powered Power on the system from off state i e cold boot while holding down lt Fn B gt key After POST release lt Fn B gt key The system should read from USB flash stick and perform crisis recovery action 8 5 VGA Support This section describes the expected behavior when a video monitor is connected to the VGA port on the netbook The feature needs VGA driver support The BIOS will determine the presence of an external VGA monitor Video modes supported on the secondary display path need VGA driver support Supported video modes and timings please refer to the technical reference of VGA vendor In particular text mode and standard VGA modes are not supported NTVOO Service Manual 9 Customer Specific Features 9 1 Display of System Type and BIOS Version Number on Boot BIOS Version V1 00 Note The numbers of BIOS version will be changed 9 2 CMOS RAM management The BIOS will automatically update certain informati
37. or cord and AC power cord are firmly plugged into the DC IN socket AC adaptor inlet and wall outlet If these cables are connected correctly go to Check 3 Check 3 Make sure that the DC IN input port socket is firmly secured to the system board of the computer If the DC IN input socket is loose go to Procedure 5 If it is not loose go to Check 4 Check 4 Use a millimeter 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 5 Connect a new AC adaptor or AC power cord If the battery LED does not light go to Check 6 Check 6 Make sure the battery pack is installed in the computer correctly Chapter 6 testing and troubleshooting If the battery is properly installed and the battery LED still does not light go to Procedure 4 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 turn on the power go to Procedure 5 Run the Diagnostic test following the procedures described Tests and Diagnostics If no problem is detected the battery is functioning normally Procedure 5 Replacement check The system board may be disconnected or damaged Disassemble the computer following the steps described Replacement Procedures Check the connec
38. ort Multi Boot for selecting the boot sequence of Hard Drive Removable Devices Network in Setup 4 Thermal management Please refer to Keyboard BIOS specification 5 Power Management for ACPI mode 5 1 Introduction The netbook supports ACPI The system will dynamically switch to ACPI mode for configuration and power management when an ACPI OS is loaded When ACPI is not loaded and enabled the power management function will be disabled 5 2 System Time outs If the system is running in ACPI mode system Time outs is handled by the operating system BIOS time outs are disabled System time outs are set using the control panel power applet 5 3 System Power Management The overall system can be in one of the system power states as described below ACPI mode Power Management Mech Off All devices in the system are turned G3 off completely Soft Off OS initiated shutdown All devices in G2 S5 the system are turned off completely Working Individual devices such as the CPU GO S0 and hard disk mav be power managed in this state S3 Sleeping CPU set power down state VGA Suspend Audio Suspend Hard Disk Power Down S4 Sleeping System Saves all system states and State data onto disk prior to power off the whole system 5 4 Device Power Management Under ACPI mode the device specific power management supported by this netbook includes the CPU throttling monitor power management and the hard disk 5 4 1 CPU power
39. t up the keyboard from bottom side 1 6 3 Lift and remove the keyboard Chapter 5 Disassembly Guide 1 7 Removing the Logic Upper To remove the logic upper first remove the battery pack HDD RAM keyboard wireless LAN card Follow the steps below to remove the logic upper 1 7 1 Turn the notebook upside down and remove the 8 M2 0x5 screws from the bottom side of the notebook 1 7 3 Turn the notebook over and remove the 2 M2 0x5 screw attaching the logic upper to the motherboard 1 7 4 Disconnect the MIC and fingerprint cables as shown NTVOO Service Manual 1 7 7 Remove TP module 10 Chapter 5 Disassembly Guide b t 2 e NTVOO Service Manual 1 8 Removing the USB Board To remove the USB board first remove the logic upper Then follow the steps below 1 8 1 Release the USB FFC as shown 1 9 Removing the Speaker To remove the speaker first remove the logic upper Then follow the steps below 12 Chapter 5 Disassembly Guide 1 9 1 Lift out the speaker amp loose screw as shown 1 10 Removing the Motherboard To remove the motherboard first remove the logic upper Then follow the steps below 13 NTVOO Service Manual 1 10 1 Disconnect the antennas daughters and LVDS cable as shown below 1 11 Removing Thermal module To remove the thermal module first remove the MB with thermal and memory Then follow the steps below 1 11 1 Remove the 4 M2 0x3 screw on
40. ternative USB al E gt Yes device function correctly a ya Replace system board Procedure 2 Figure 6 5 External USB device troubleshooting process 15 Original USB device is faulty Chapter 6 testing and troubleshooting To determine if the computer s external USB devices are functioning properly perform the following procedures Figure 6 5 outlines the process Start with Procedure 1 and continue as instructed Procedure 1 External device and connection check Procedure 2 Replace svstem board Procedure 1 External device and connection check The USB device mav be damaged or the connection mav be faultv Perform Check 1 Check 1 Make sure USB device cable is firmly plugged into one of the USB sockets If the cable is connected correctly go to Check 2 Check 2 Plug the USB device into another USB socket there 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 firmly secured to the system board of the computer If the malfunction remains the system board may be damaged Go to Procedure 2 Check 4 Connect an alternative USB device to one of the computer s USB ports and then boot the computer The computer automatically detects the external device If the alternative USB device works correctly the original device may be damaged
41. the computer s keyboard mouse ports then boot the computer The computer automatically detects the external keyboard If the external keyboard works correctly the internal keyboard or its connections may be faulty Go to Procedure 2 If the external keyboard appears to have the same problem as the internal keyboard the system board may be damaged Procedure 2 Diagnostic test Run the Diagnostic Program which will automatically execute the Keyboard Test Refer to Chapter 3 Tests and Diagnostics for more information on how to run the program If an error is located go to Procedure 3 If an error does not occur the keyboard is functioning properly Procedure 3 Connector and replacement check The keyboard and or system board may be disconnected or damaged Replacement Procedures and perform the following checks Check 1 Make sure the keyboard cable is firmly connected to the system board If the connection is loose reconnect firmly and repeat Procedure 2 If there is still an error go to Check 2 Check 2 The keyboard may be damaged If the problem still exists perform Check 3 Check 3 The system board may be damaged Replace it with a new one 14 NTVOO Service Manual External USB Devices Troubleshooting Perform external device and connection check Procedure 1 en a a kal a es the device function Wes when connected toa b different USB port No _ Does an al
42. tion between the AC adaptor and the system 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 go to Check 3 Check 2 Make sure that the battery cable is firmly connected to the system board 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 10 NTVOO Service Manual Display Troubleshooting START Perform external display check Procedure 1 ll r ka Fu all ro _ Does the external display function ok Perform diagnostic check Procedure 2 Yes Was a display LS problem detected a gi a er ka a a Fa Perform connector and replacement check Procedure 3 Replace system board Figure 6 3 Display troubleshooting process 11 Display is not faulty Continue troubleshooting refer to Figure 2 1 Chapter 6 testing and troubleshooting This section describes how to determine if the computer s display is functioning properly The process is outlined in Figure 6 3 Start with Procedure 1 and continue with the other procedures as instructed Procedure 1 External displav check Procedure 2 Diagnostic check Procedure 3 Connector and replacement check Procedure 1 External displav
43. to Chapter 3 Tests and Diagnostics for more information on the program If an error is located go to Procedure 2 If an error is not located the wireless LAN system is functioning properiv Check 1 Make sure the wireless select switch installed in vour installed programs Check 2 press keyboard Fn F2 make sure wireless is enable If the program persist go to Procedure 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 in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the wireless LAN antenna is firmly connected to the wireless LAN unit refer to Chapter 4 for instructions and that the wireless LAN unit is securely slotted into the system board If the problem persists go to Check 2 Check 2 Check that the wireless communication switch is turned to On then make sure that the wireless communication LED on the front panel is lit If the LED is lit but the wireless LAN function is still faulty the antenna may be damaged Replace with a new antenna following the steps in Chapter 4 Replacement Procedures If the problem persists or if the wireless LAN LED is not lit when the wireless communication switch is turned to On go to Check 3 Check 3 The wireless LAN unit may be damaged Replace it with a new one following the instructio
44. wake the system from Standby DC AC Hibernation AC mode 5 4 4 3 Critical Low Battery Critical low battery event can wake the system from Standby DC mode in ACPI mode 5 5 Hibernation To support the hibernate state 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 a disk file and restore the system state when it is turned back on Chapter Software Specification 6 ACPI Advanced Configuration and Power Interface 6 1 Introduction The Advanced Configuration and Power Interface ACPI is a well specified power management and configuration mechanism It evolves the existing collection of power management codes APM PnP BIOS and Etc 6 2 ACPI Sleep Status BIOS must support the following sleep states S3 S4 and S5 6 3 Power State Transition Diagram The state transition diagram in ACPI mode is as follows From State Leave By Condition Enter State Power Button On board LAN Any key Alarm Critical low battery Only in DC mode Power Button Button SO On board LAN ee in AC mode RTC RTC Only in AC mode in AC mode Press Lid switch il on ACPI OS S3 il aa E icon in shutdown menu in Won menain ACPI OS timer ACPI OS timer expired Mi low battery depends on ACPI OS setting Press Lid switch eg on ACPI OS eg Press Power Button depends on AC

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