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Speaker Troubleshooting

START

Do all sources have

same problem?

END

Perform earphone test

(Procedure 2)

Do earphones

function correctly?

Perform connection check

(Procedure 3)

Perform replacement

check

(Procedure 4)

Perform audio source test

(Procedure 1)

Yes

Replace system board

Speakers are not

faulty. Continue

troubleshooting -

see Figure 2-1

Figure 6-10 Speaker troubleshooting process

Содержание ACY25 series

Страница 1: ...or On Board LAN controller Memory Two 200 pin 2 5V DDR SO DIMM connector supporting PC1600 PC2100 DDR SDRM memory card Maximum upgradable to 1GMB by two 512MB DDR SO DIMM modules 128MB 256MB 512MB DDR...

Страница 2: ...I compliance Win XP and W2K hardware compliance I O Ports One 25 pins Parallel port EPP ECP Capability One 15 pins CRT port One 6 pins external PS2 AT full keyboard connector One Audio Microphone in L...

Страница 3: ...green as accessed 3 BATTERY Charging LED is blinking green per four seconds Fully charged LED is solid green Discharging LED is off Low batt 10 LED is sold amber Critical low 5 LED is fast blinking am...

Страница 4: ...512MB PC1600 PC2100 DDR SO DIMM memory modules upgradable to 1GMB extended memory maximum System EC ROM BIOS 512KB Flash ROM Fixed Disk Interface PCI IDE supported ATA 5 supported PIO MODE 4 Timing s...

Страница 5: ...and back drive protected pins except LPC bus pins 100 pin TQFP Package Keyboard Controller NS87591 KBC standard interface Support three independent PS 2 devices K B mouse and internal pointing device...

Страница 6: ...tion and removal Supports multiple FIFOs for PCI CardBus data transfer Supports Direct Memory Access for PC PCI and PCI Way on PC Card socket Programmable interrupt protocol PCI PCI ISA PCI Way or PC...

Страница 7: ...X 1050 SXGA Resolution Response time 60 max Contrast ratio 200 1 Typ Brightness 140 Nit Typ COLOR TFT SXGA LCD LG LP150E01 A2M2 Dimensions 317 3 W X 241 5 H X 6 6 D mm max Active area 304 5 W X 228 37...

Страница 8: ...8 D x1 5 H 327mm W x274mm D x38 5mm H 6 78lb 7 5lb including HDD CD ROM FDD and BATT module Option Pack AC adapter 444g HDD Pack 160g 9 5mm BATT Li ion 414g 8cell CD ROM module 259g FDD module 202g M...

Страница 9: ...Storage or Shipment Temperature 20 C to 50 C Relative Humidity 10 to 90 without condensation Altitude sea level to 40 000ft Chapter 1 9...

Страница 10: ...PCMCIA ENE CB1420 CardBus controller PC card 95 supported with two Type II or one Type III PCI Card Bus No ZV Zoom Video support Audio Controller Integrated Software Audio in SiS961 South Bridge with...

Страница 11: ...CI 2 2 compliant OHCI v1 1 IEEE1394 A System Controls Hot Keys All Fn Key will support Sticky key mode Fn F5 Force Switching Display Mode LCD CRT Simulataneous Fn F10 Cursor keypad on off Pressing thi...

Страница 12: ...hout notifying the operating system If press power button for less than 4 seconds the system will enter suspend to RAM or OFF state according to OS UI setting Lid Switch This section describes the exp...

Страница 13: ...orting functions of E801h E881h and E820h This feature reports all available extended memory both below and above the 64MB limit using both a real mode E801h and a 32 bit protected mode E881h interfac...

Страница 14: ...ng situations Turning on from off states No BIOS suspend resume password Entering to Setup The User will attempt to enter a password then press ENTER If the User fails to enter the password in three t...

Страница 15: ...ROM The BIOS must perform validity checks on the serial number entered System boards sent to service must be preprogrammed with this invalid serial number This is to insure that when a service technic...

Страница 16: ...tem Time outs include the Standby time out the Suspend time out and the Hibernate time out System Time outs are handled by the operating system in ACPI mode BIOS time outs must be disabled System time...

Страница 17: ...ntil an interrupt occurs Hard Disk ACPI mode Newer OSes use the spin down timer of the hard drive to set time outs The user can sets the hard disk spin down time out in the control panel power applet...

Страница 18: ...te Transition Diagram The state transition diagram is identical to the one in APM mode Time outs while On AC Power OS determines the behavior of the feature Embedded controller The keyboard controller...

Страница 19: ...ay and external monitor regardless of whether an external monitor is detected The hot key for switching the external video Fn F5 must only make a temporary change It must not change the user s prefere...

Страница 20: ...yy Where pppp Four letter platform descriptor x One digit BIOS major revision number yy Two digit BIOS minor revision number Below lists the BIOS version numbers that will be assigned to this platform...

Страница 21: ...d Information YES 3 System Enclosure YES 4 Processor Information YES 5 Memory Controller YES 6 Memory Information YES 7 Cache Information YES 8 Port Connector Information YES 9 System Slots YES 10 On...

Страница 22: ...in customer format At the bottom of the screen the screen should have the following messages Press ESC to change boot order Press F2 to enter setup F12 to boot from LAN CMOS RAM management The BIOS wi...

Страница 23: ...save CMOS setting and exit Setup During setup all Fn function keys and power saving functions are disabled Setup screens Main Menu PhoenixBIOS Setup Utility Main System Devices Security Boot Info Exit...

Страница 24: ...y enable both the integrated LCD screen and the system s external video port for an external CRT or projector Auto Selected During power on process the system will detect if any display device is conn...

Страница 25: ...ave and Exit PS 2 Pointing Device Configures the integrated internal pointing device using options Auto Selected If an external PS 2 mouse is connected to the system then disable the internal pointing...

Страница 26: ...nfo Exit Item specific Help User Password is Clear Administrator Password is Clear Set User Password Enter Set Administrator Password Enter Supervisor Password controls access to the setup utility Pas...

Страница 27: ...r current password Enter New Password Confirm New Password User can now type password in field Enter New Password and re enter password in field Confirm New Password for verification If the verificati...

Страница 28: ...bled Boot Menu This menu allows the user to decide the order of boot devices to load the operating system Bootable devices includes the diskette drive in module bay the onboard hard disk drive and the...

Страница 29: ...40 KB Show System Memory Size Extended Memory 127 MB Show Extened Memory Size F1 Help Select Item F5 F6 Change Values F9 Setup defaults Esc Exit Select Menu Enter Select4Sub Menu F10 Save and Exit UUI...

Страница 30: ...ult Values Load default values for all SETUP item F1 Help Select Item F5 F6 Change Values F9 Setup defaults Esc Exit Select Menu Enter Select4Sub Menu F10 Save and Exit Saving Changes and Exit Allows...

Страница 31: ...es in CMOS Setup The following message is shown when user presses Enter on this item Setup Confirmation Load default configuration now Yes No It still stay in Setup after either selection OS Compatibi...

Страница 32: ...l Port replicator Extra key emulation Two host interface channels support Supports three independent devices Devices Hot Plug and Play Hot swapping configuration Internal Keyboard country selection Ty...

Страница 33: ...turn value rotate one circle 2 pulses 2 bytes high byte low byte 02h Fan speed 2 N 60M return value rotate one circle 4 pulses N 120M return value rotate one circle 2 pulses 2 bytes high byte low byte...

Страница 34: ...e to write 0 Write OK 0xFE Fail 4Ch Read data from devices through SMBus 1 00h FFh Slave address of device 2 00h FFh Lo byte address if device is EEPROM otherwise is command or register 3 00h FFh Hi b...

Страница 35: ...0 9 byte2 If it is 00h then system display ROM other It is T01 if it is 01h and so on 52h None Hook for every projects Get platform ID 5Bytes ACY25 53h None Reserved None 54h 0x00 0xFF EC CMOS RAM re...

Страница 36: ...lug In B5h Battery Plug Out B6h Reserved B7h Suspend to RAM request B8h Save to DISK request B9h Docked request Bah Undock request Bbh Reserved Bch Thermal change event Bdh Write LM75 event Beh SMBus...

Страница 37: ...status panel information from EEPROM None 90h One touch button application allow to send scan code user button if user pressed None 91h One touch button application don t allow to send scan code user...

Страница 38: ...I SCI Trigger event enable None C4h SMI SCI Trigger event disable None Cbh PCMCIA suspend disable None Cch PCMCIA suspend enable None Cdh Wake up LAN disable None Ceh Wake up LAN enable None D0h Disab...

Страница 39: ...f RTC Hour 00 23 BCD format 2 00 23 Hour which want to display None 1 A4h Update Minute of RTC Minute 0 59 BCD format 2 00 59 Minutes which want to display None 1 A5h Update Second of RTC Second 0 59...

Страница 40: ...audio chip External Buttons status report and control Define the function of buttons which is controlled by EC Power Switch If system is Off S2D System will be turned on while Power switch is depress...

Страница 41: ...mber color Green and Red for battery discharge state Amber color activility batterywithin low state remain 12 minutes left Amber color blinking battery in critical low state remain 3 minutes left LED...

Страница 42: ...e System should Save to Disk S2D or beeping Low condition depend on OS setting Battery type The KB BIOS will support for smart battery pack by SMBus protocol ACPI1 0b and PC2001 Compliant with PC2001...

Страница 43: ...A6h SCI 16h Display toggle SMI Ach SCI 1ch Battery in critical low SMI SMI B2h SCI SCI 22h Battery in low state SMI B3h SCI 23h Standby request SMI B4h 24h Battery pack plugin SMI B5h SBS 25h Battery...

Страница 44: ...and hot undock Support for Software and Hardware eject with AC power source exist LEDs indicator There are two LED indicators in SPR System state LED and DC DC state LED Extra keyboard emulation Windo...

Страница 45: ...ible pointing device The three channels are identical and thus allow the connector ports to be interchangeable Devices PnP configuration Hot Plug and Play support The KBC watches both external devices...

Страница 46: ...us protocol 61h SMBus statue Bit0 Bit4 Status Bit5 Reserved Bit6 ALARM Bit7 DONE 62h SMBus Address 63h SMBus Command 64h 83h SMBus Data 84h SMBus BCNT 85h SMBus alarm address 86h SMBus alarm data 0 87...

Страница 47: ...Set if charging power source available 94h 95h CHG_CURRENT0 CHG_CURRENT1 Bit0 Bit15 Requested charging current mA 0 Turn off charger 65535 Provide maximum safe charger current 96h 97h CHG_VOLT0 CHG_VO...

Страница 48: ...us Bit5 SMB_B Set if 2nd battery on SMBus Bit6 SMB_C Set if 3rd battery on SMBus Bit7 SMB_D Set if 4th battery on SMBus EC interface OEM common RAM definition Offset Description 9Ch ACPI_FLAG0 Bit0 Pr...

Страница 49: ...Bit2 VGAQ VGA H W suspend 0 VGA on 1 VGA suspend 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 Bit6 SYSR6 rese...

Страница 50: ...f 1 on B2h Percentage Battery in critical low condition B3h Percentage Battery in low condition B4h Fan1 pulse width low byte B5h Fan1 pulse width high byte B6h Fan2 pulse width low byte B7h Fan2 puls...

Страница 51: ...Bit3 7 Reserved C2h C3h Remaining Capacity C4h C5h Serial Number C6h C7h Present Voltage C8h C9h Design Voltage CAh CBh Design Capacity CCh CDh Full charge capacity Ceh Gasgauge CFh D8h Reserved Cont...

Страница 52: ...er 2 43 Offset Description E2h E3h Remaining Capacity E4h E5h Serial Number E6h E7h Present Voltage E8h E9h Design Voltage EAh EBh Design Capacity ECh EDh Full charge capacity EEh Gasgauge Efh F8h Res...

Страница 53: ...Chapter 3 Hardware Major Sub assembly Specification System interconnection For BY25 Chapter 3 1...

Страница 54: ...5 DDCCLK JP1 LPTCN 27 PRT PIN NO SIGNAL PIN NO SIGNAL 1 5V_PRN 2 FD0 3 FD1 4 FD2 JP28 KBD PS2_6 PRT JP20 Switch buttom Interface CONN JP24 JP26 JP31 USB _CON PRT JP1 CPU FAN CONN JP6 CRT CONN PRT JP14...

Страница 55: ...PD_D8 5 PD_D6 6 PD_D9 7 PD_D5 8 PD_D10 9 PD_D4 10 PD_D11 11 PD_D3 12 PD_D12 13 PD_D2 14 PD_D13 15 PD_D1 16 PD_D14 17 PD_D0 18 PD_D15 19 GND 20 NC 21 PD_DREQ 22 NC 23 PD_IOW 24 GND 25 PD_IOR 26 GND 27...

Страница 56: ...NC 20 NC 21 DISKCHG 22 5VS 23 DRV0 24 5VS 25 INDEX 26 5VS PCN1 DC JACK PRT 70W PIN NO SIGNAL PIN NO SIGNAL 1 VIN 2 GND JP10 CDROM PRT PIN NO SIGNAL PIN NO SIGNAL 1 INT_CD_L 2 INT_CD_R 3 CD_AGND 4 GND...

Страница 57: ...5 S1_D4 A6 S1_D11 A7 S1_D5 A8 S1_D12 A9 GND A10 S1_D6 A11 S1_D13 A12 S1_D7 A13 S1_D14 A14 S1_CE1 A15 S1_D15 A16 GND A17 S1_A10 A18 S1_CE2 A19 S1_OE A20 S1_VS1 A21 S1_A11 A22 GND A23 S1_IORD A24 S1_A9...

Страница 58: ...SIGNAL PIN NO SIGNAL B1 GND B2 GND B3 S2_D3 B4 S2_CD1 B5 S2_D4 B6 S2_D11 B7 S2_D5 B8 S2_D12 B9 GND B10 S2_D6 B11 S2_D13 B12 S2_D7 B13 S2_D14 B14 S2_CE1 B15 S2_D15 B16 GND B17 S2_A10 B18 S2_CE2 B19 S2...

Страница 59: ...S1_D8 B69 S1_D1 B70 S1_D9 B71 S1_D2 B72 S1_D10 B73 GND B74 S1_WP B75 S1_CD2 B76 GND B77 GND JP5 DDR 200P PRT PIN NO SIGNAL PIN NO SIGNAL 1 MVREF_DIM 2 MVREF_DIM 3 GND 4 GND 5 MD0 6 MD4 7 MD1 8 MD5 9 2...

Страница 60: ...0 66 MD26 67 MD31 68 MD27 69 2 5V 70 2 5V 71 GND 72 GND 73 GND 74 GND 75 GND 76 GND 77 RDQS8 78 GND 79 GND 80 GND 81 2 5V 82 2 5V 83 GND 84 GND 85 NC 86 NC 87 GND 88 GND 89 DDRCLK2 90 GND 91 DDRCLK2 9...

Страница 61: ...4 143 2 5V 144 2 5V 145 MD41 146 MD45 147 RDQS5 148 GND 149 GND 150 GND 151 MD42 152 MD43 153 MD46 154 MD47 155 2 5V 156 2 5V 157 2 5V 158 DDR_CLK1 159 GND 160 DDR_CLK1 161 GND 162 GND 163 MD48 164 MD...

Страница 62: ...KSO9 17 KSO10 18 KSO11 19 KSO12 20 KSO13 21 KSO14 22 KSO15 23 KSI0 24 KSI1 25 KSI2 26 KSI3 27 KSI4 28 KSI5 29 KSI6 30 KSI7 JP20 Switch buttom Interface CONN PIN NO SIGNAL PIN NO SIGNAL 1 3VALW 2 3VS 3...

Страница 63: ...MVREF_DIM 2 MVREF_DIM 3 GND 4 GND 5 MD0 6 MD4 7 MD1 8 MD5 9 2 5V 10 2 5V 11 RDQS0 12 GND 13 MD6 14 MD3 15 GND 16 GND 17 MD2 18 MD7 19 MD8 20 MD12 21 2 5V 22 2 5V 23 MD9 24 MD13 25 RDQS1 26 GND 27 GND...

Страница 64: ...GND 88 GND 89 DDRCLK5 90 GND 91 DDRCLK5 92 2 5V 93 2 5V 94 2 5V 95 CKE3 96 CKE2 97 GND 98 GND 99 MAA12 100 MAA11 101 MAA9 102 MAA8 103 GND 104 GND 105 MAA7 106 MAA6 107 MAA5 108 MAA4 109 MAA3 110 MAA2...

Страница 65: ...164 MD49 165 MD52 166 MD53 167 2 5V 168 2 5V 169 RDQS6 170 GND 171 MD50 172 MD54 173 GND 174 GND 175 MD51 176 MD55 177 MD57 178 MD56 179 2 5V 180 2 5V 181 MD61 182 MD60 183 RDQS7 184 GND 185 GND 186 G...

Страница 66: ...25 POWER1 LED 26 POWER2 LED 27 LED2 28 5VS 29 5VALW 30 3VALW JP16 MINI PCI CONN PIN No SIGNAL PIN No SIGNAL 1 NC 2 NC 3 NC 4 NC 5 NC 6 NC 7 NC 8 NC 9 NC 10 NC 11 NC 12 NC 13 D 14 NC 15 NC 16 NC 17 PI...

Страница 67: ...D 78 AD13 79 AD12 80 AD11 81 AD10 82 GND 83 GND 84 AD9 85 AD6 86 CBE 0 87 AD7 88 3VS 89 3VS 90 AD6 91 AD5 92 AD4 93 NC 94 AD2 95 AD3 96 AD0 97 5VS 98 NC 99 AD1 100 NC 101 GND 102 GND 103 AC97 SYNC 104...

Страница 68: ...13 GND 14 TXBCLK 15 TXBCLK 16 GND 17 PID3 18 PID2 19 PID1 20 PID0 21 TX2 22 TX2 23 GND 24 TCACLK 25 TXACLK 26 GND 27 TX5 28 TX5 29 GND 30 TX6 31 TX6 32 GND 33 DD2 34 LCDVDD 35 LCDVDD 36 DAC BRIG 37 IN...

Страница 69: ...Chapter 4 AC DC CONVERTER ACY25 series Power System block diagram Chapter 4 1...

Страница 70: ...rt Input frequency range 47 63Hz Input Current 1 2Amax at 90VAC 70W LOAD Start up time 3sec at all line and load condition HOLD UP time 10m sec at 120VAC full load condition OUTPUT Voltage Regulation...

Страница 71: ...NS87591 There is also a charger power source built in it It can charge battery pack whether the computer is ON or OFF Features High efficiency up to 90 using battery Accept wide range DC input voltag...

Страница 72: ...60mVp p max Item CPU_CORE 2 5VP Nominal voltage Base on table1 2 5V Min load 0mA 0mA Max load 32A 4A Peak load 40A 6A Total regulation 2mV A with 45mV 5 Ripple voltage 60mVp p max 60mVp p max Table 1...

Страница 73: ...temperature Other battery services are presented by NS87591 microprocessor include maximum charging timer charging temperature range etc Charger power BATT Constant voltage mode 16 8V 1 Constant char...

Страница 74: ...CHG I 0 3 3V Active High NS87591 use this pin to enable charger IREF I 0 3 3V NS87591 DAC output it control the charging current SMB_EC_CK1 I O 0 5V SMBus Clock SMB_EC_DA1 I O 0 5V SMBus data BATT_TEM...

Страница 75: ...o 21V input voltage Brightness adjustment by PWM burst mode Close loop controls lamp current Absolute maximum rating Environment Temperature Operating temperature 0 55 Storage temperature 20 70 Humidi...

Страница 76: ...nt DAC_BRIG signal comes from system chipset with internal resistance of 3K 2 Inverter operating frequency should be within specification 45 65kHz at max and min brightness load 3 INV_PWM enable impli...

Страница 77: ...ation including voltage rating current rating temperature etc Component temperature should follow below T 30 at 25 35 Component temperature should be less than 70 inside system at 35 Connector descrip...

Страница 78: ...ning Inverter burns for 24 hours at open lamp status No parts damage Human body safety test Short inverter output transformer secondary output to GND by a 2K resistor which connects one end to GND and...

Страница 79: ...modules need to be removed to access the module needing replacement Always start by removing the battery pack Then work down through the diagram removing only those modules necessary to reach the mod...

Страница 80: ...d by several other units shaded gray and these must be removed before the top cover can be reached Always starts the disassembly process by removing the battery Battery CPU Compart ment Cover Expansio...

Страница 81: ...s such as necklaces bracelets or rings Batteries in the computer retain an electrical charge so there is danger of electrical shock even when the computer is disconnected from an AC power source 3 Nev...

Страница 82: ...ocedures for disassembling and installing modules in the computer 5 After removing parts from the computer place them in a safe place away from the computer so they will not be damaged and will not in...

Страница 83: ...ables These connectors can be connected and disconnected by simply pulling them apart or pushing them together Assembly Procedures After you have disassembled the computer and fixed or repaired the pr...

Страница 84: ...oyed parts The following equipment is necessary to disassemble and reassemble the computer One medium size screwdriver One small screwdriver One 6mm nut driver for the helix screw nuts on the rear por...

Страница 85: ...ith the front facing toward you 2 Press the battery release button down and slide the battery latch to the right 3 The battery pack will pop up slightly Lever it out by easing up the protruding edge F...

Страница 86: ...tton will pop out when you release it Figure 5 2 Ejecting a PC card 1 2 2 Push the eject button once more to pop the PC Card out slightly 3 Grasp the PC Card and remove it 4 Push the eject button back...

Страница 87: ...es below are for the 15 display Differences with the 14 display are indicated where necessary Removing the display assembly 1 Remove two M2 5 5 screws securing the strip cover Figure 5 4 Removing two...

Страница 88: ...t the display and computer are flat on the table 3 Insert the end of a small screwdriver between the strip cover and one of the display assembly hinges Gently pry off the strip cover Figure 5 5 Removi...

Страница 89: ...oard connector Do not pull on the wire itself as this may cause damage Instead pull on the connector white wire set connector 5 Remove two M2 5 5 screws securing the display assembly hinges Figure 5 6...

Страница 90: ...the computer upright Open the display so that it is perpendicular to the desk then gently lift off the display Figure 5 8 Lifting off the display assembly Disassembling the display assembly 1 Remove...

Страница 91: ...d by latches with four on each of the sides seven along the bottom edge and six along the top edge Figure 5 10 Removing the LCD bezel 3 Remove the following eight screws securing the LCD module in the...

Страница 92: ...Figure 5 11 Removing eight screws securing the LCD module 4 Lift the LCD module out of the LCD cover Chapter 5 14...

Страница 93: ...FL inverter board 7 Remove one M2 5 3 screw securing the FL inverter board 8 Gently lift out the FL inverter board and detach the FL FPC from its left hand end Figure 5 13 Detaching the FL FPC 9 Remo...

Страница 94: ...Figure 5 14 Removing the LCD cable 12 Remove six M2 2 5 screws securing the LCD bracket to the LCD module the 14 LCD module is secured by four screws Figure 5 15 Removing the LCD bracket Chapter 5 16...

Страница 95: ...Keyboard button board 1 Remove four M2 5 3 screws securing the keyboard Figure 5 16 Removing four screws securing the keyboard Chapter 5 17...

Страница 96: ...t so that the keyboard cable connector is exposed 3 Detach the keyboard cable and remove the keyboard Figure 5 17 Removing the keyboard 4 Remove two M2 5 3 screws securing the button board Remove the...

Страница 97: ...Wireless LAN Modem Unit 1 Remove two M2 5 3 screws securing the wireless LAN card compartment cover Remove the cover Figure 5 19 Removing the Wireless LAN compartment cover Chapter 5 19...

Страница 98: ...top cover you should peel back the tape covering the Touch pad FFC and detach the FFC from its connector If your aim is solely to remove the Wireless LAN modem card you do not need to detach the FFC...

Страница 99: ...h out the two latches securing the wireless LAN modem card One end of the card will pop up 5 Grasp the wireless LAN modem card and pull it out Figure 5 21 Removing the Wireless LAN modem card Chapter...

Страница 100: ...xpansion Memory 1 Remove one M2 5 5 screw securing the expansion memory compartment cover Lift off the cover Figure 5 22 Removing one screw securing the expansion memory compartment cover Chapter 5 22...

Страница 101: ...2 Gently press out the latches securing the expansion memory One end of the memory will pop up 3 Grasp the expansion memory and pull it out Figure 5 23 Removing the expansion memory Chapter 5 23...

Страница 102: ...ocated beneath the keyboard To access this remove the keyboard following the instructions in section 4 5 Remove the memory card in the same way by easing the two latches apart Figure 5 24 Removing the...

Страница 103: ...screw securing the expansion memory compartment cover see section 4 7 Lift off the cover 2 Remove one M2 5 7 screw securing the CD RW DVD ROM or CD ROM Combo Drive Figure 5 25 Removing one screw secur...

Страница 104: ...sp the front of the drive to pull it fully out Figure 5 26 Removing the CD RW DVD ROM or CD ROM Combo Drive 4 Remove two M2 0 3 screws securing the drive bracket Figure 5 27 Removing the CD RW DVD ROM...

Страница 105: ...ion memory compartment cover see section 4 7 Lift off the cover 2 Detach the FDD cable 3 Remove one M2 5 5 screw next to the FDD cable securing the FDD 4 Remove one M2 5 5 screw on the base securing t...

Страница 106: ...ch the FDD brace For the Panasonic FDD unit pictured remove three M2 5 3 screws from the sides and one M2 3 screw from the rear For the Mitsui FDD unit remove four M2 4 screws 7 After detaching the FD...

Страница 107: ...it Figure 5 30 Removing two screws securing the HDD unit 2 Lift out the HDD unit 3 Remove four M3 3 screws securing the HDD shielding 4 Lift the HDD out of the shielding 5 Pull off the HDD connector F...

Страница 108: ...the CPU compartment cover Figure 5 32 Removing the CPU compartment cover 2 Remove two M2 5 7 screws securing the fan 3 Lift the fan slightly so that you can detach the fan cable 4 Remove the fan Figu...

Страница 109: ...ne M2 5 5 screw securing the CPU compartment cover see section 4 11 2 Remove four screws securing the thermal unit Figure 5 34 Removing four screws securing the thermal unit 3 Lift out the thermal uni...

Страница 110: ...e 5 35 Removing the CPU CAUTION When replacing the CPU make sure the triangle marks on the CPU and CPU socket are aligned before gently pressing the CPU into place CAUTION You should change the therma...

Страница 111: ...Top Cover 1 Remove the following screws securing the top cover Two M2 5 12 screws Two M2 5 5 screws Two M2 5 3 screw Figure 5 36 Removing five screws securing the top cover Chapter 5 33...

Страница 112: ...wing screws securing the top cover Eight M2 5 9 screws Two M2 5 18 screws Two M2 5 7 screws Two M2 5 5 screws Figure 5 37 Removing 14 screws securing the top cover 3 Lift top cover off by pulling gent...

Страница 113: ...ch Pad 1 Remove six M2 5 4 screws securing the mouse cover board 2 Lift off the mouse cover board 3 Detach the speaker cables from the audio board Figure 5 38 Removing the mouse cover board Chapter 5...

Страница 114: ...Remove two M2 5 4 screws securing the audio board 6 Gently lift out and turn over the audio board 7 Disconnect the microphone jack FFC 8 Remove the audio board Figure 5 39 Removing the audio board 9 L...

Страница 115: ...ew securing each of the speakers 2 Detach both speaker cables from the audio board you will already have detached the cables if you have removed the audio board Figure 5 40 Removing the speakers 3 Lif...

Страница 116: ...ophone jack 1 Remove two M2 5 4 screws securing the microphone jack 2 Peel off the tape securing the microphone jack FFC 3 Remove the microphone jack Figure 5 41 Removing the microphone jack Chapter 5...

Страница 117: ...2 5 5 screws securing the system board 2 Remove six helix screw nuts securing the rear ports 3 Remove the system board by lifting from the center of the inside edge of the board Figure 5 42 Removing t...

Страница 118: ...ollowed step by step it can efficiently isolate the problem and the problem can be solved easily PERFORM VISUAL INSPECTION Check the following Power cords are properly connected and secured Power supp...

Страница 119: ...attery LED on Turn the Power switch on Perform the Power Supply Troubleshooting procedures in section 6 2 Perform the Display Troubleshooting procedures in section 6 3 Perform diagnostics program Yes...

Страница 120: ...s test loaded Allow each test to perform automatically Yes No No Perform the keyboard Troubleshooting procedures in section 6 5 Perform the FDD Troubleshooting procedures in section 6 4 After confirmi...

Страница 121: ...by the Modem test perform the Modem Troubleshooting Procedures in Section 6 12 or the LAN Troubleshooting Procedures in Section 2 11 8 If an error is detected by the Sound test perform the Sound Troub...

Страница 122: ...connections secure END Check Power Supply Status Procedure 1 No Yes Check power supply connections Procedure 3 Run diagnostic program Procedure 4 Yes No Replace adaptor battery Procedure 2 No Perform...

Страница 123: ...ed in the tables below Table 2 1 Battery LED Battery State LED colors Definition Amber solid on Battery charging with AC Green solid on Battery fully charged by AC Charging Green color off Battery abn...

Страница 124: ...d 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 fi...

Страница 125: ...mputer following the steps described Replacement Procedures Check the connection between the AC adaptor and the system board After checking the connection perform Check 1 Check 1 Use a multimeter to m...

Страница 126: ...o k P erfo rm d iagnostic check P ro ced ure 2 N o W as a d isp lay p ro b lem d etected P erfo rm co nnector and rep lacem ent check P ro ced ure 3 R ep lace system b o ard E N D Y es Y es N o D ispl...

Страница 127: ...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 Pro...

Страница 128: ...D D pro b lem detected P erfo rm co nnector and replacem ent check P ro cedure 3 R ep lace system b o ard E N D Y es N o F D D is no t faulty C o ntinue troub lesho o ting refer to F igure 2 1 P erfo...

Страница 129: ...Disk in the FDD turn on the computer and run the test If no FDD problem is detected by the diagnostic test the FDD is functioning normally If an error occurs go to Procedure 3 Procedure 3 Connector ch...

Страница 130: ...k P erfo rm d iagnostic check P ro ced ure 2 W as a keybo ard p ro b lem d etected P erfo rm co nnector and rep lacem ent check P ro ced ure 3 R ep lace system b o ard E N D Y es N o K eyb o ard is n...

Страница 131: ...he 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 Te...

Страница 132: ...erform external d evice and co nnectio n check P roced ure 1 S T A R T D oes the d evice function w hen connected to a different U S B p o rt D o es an alternative U S B d evice functio n correctly N...

Страница 133: ...l 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...

Страница 134: ...re 1 S T A R T D o es replacem ent T V cab le functio n p ro p erly P erfo rm T V set check P roced ure 2 R ep lace system b o ard E N D N o R eplace T V cable N o T V functio ning ok Y es U se d iffe...

Страница 135: ...ed correctly go to Check 2 Check 2 Make sure the TV out port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 The TV cable may be damaged Replace...

Страница 136: ...k P erfo rm d iagnostic check P ro ced ure 2 W as a keybo ard p ro b lem d etected P erfo rm co nnector and rep lacem ent check P ro ced ure 3 R ep lace system b o ard E N D Y es N o K eyb o ard is n...

Страница 137: ...Perform Check 1 Check 1 Make sure printer cable is firmly plugged into both the printer and the printer port of the computer If the cable is connected correctly go to Check 2 Check 2 Make sure the pri...

Страница 138: ...Touch Pad Troubleshooting START END Touch Pad connection check Procedure 1 Touch Pad replacement check Procedure 2 Replace system board Figure 6 9 Touch Pad troubleshooting process Chapter 6 21...

Страница 139: ...e 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...

Страница 140: ...dure 2 Do earphones function correctly Perform connection check Procedure 3 Perform replacement check Procedure 4 Perform audio source test Procedure 1 No Yes Yes Replace system board Speakers are not...

Страница 141: ...roblem 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 Proce...

Страница 142: ...form software check Procedure 3 Perform diagnostic test Procedure 4 Perform connection and replacement check Procedure 5 Perform audio CD check Procedure 1 Perform drive cleaning check Procedure 2 No...

Страница 143: ...he drive cleaning product instructions If the problem persists go to Procedure 3 Procedure 3 Software check Ensure that the appropriate driver has been installed on the computer for the CD DVD drive P...

Страница 144: ...phone signal END Perform connection check Procedure 2 Perform replacement check Procedure 3 Perform telephone line connection check Procedure 1 Check replace telephone line and connections Yes Replace...

Страница 145: ...dem 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 Check 2 Ch...

Страница 146: ...errors occur during SYCARD test Perform PCMCIA socket replacement check Procedure 2 Replace system board END PCMCIA unit is not faulty Perform SYCARD test Procedure 1 No Yes Figure 6 13 PCMCIA troubl...

Страница 147: ...a PCMCIA test program Ensure the card in fully inserted into the socket before running the program If an error occurs during the SYCARD test perform Procedure 2 If no error occurs it is likely the tha...

Страница 148: ...E EE 1394 transm ission ok E N D Y es Perform diagnostic check Procedure 2 Perform connection and replacem entcheck Procedure 3 Y es IE EE 1394 portand transm ission are notfaulty N o N o W asan IE EE...

Страница 149: ...agnostic check Run the Diagnostic Program which will automatically execute the IEEE 1394 port test to test transmission Refer to Chapter 3 Tests and Diagnostics for more information on how to run the...

Страница 150: ...tic test Procedure 1 Was an wireless LAN problem delected Yes Perform connector and replacement check Procedure 2 END Wireless LAN system is not faulty No Replace wireless LAN antenna unit Figure 6 15...

Страница 151: ...semble 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 wirele...

Страница 152: ...7 UK 2P L 1 003 024 GA040100000 PWR CORD SP61 1 8M IS037 H03 BLK UK 1 003 025 GA050070100 PWR CORD SP12NX1 8MXIS033 SPT 2 BLK 1 003 026 GA050100000 PWR CORD LP5X1 8MXLS7C US 2P L 1 003 027 GA060040009...

Страница 153: ...V00 A30 1 101 068 54B60130001 SYS UNIT ACY25 030 W WLAN 1 251 069 54B60130002 SYS UNIT ACY25 030 W O WLAN 1 251 070 51085630001 LCD ASSY ACY25 14 1 AU 1 252 071 51085630002 LCD ASSY ACY25 14 1 CPT 1 2...

Страница 154: ...UK 2P L 1 003 024 GA040100000 PWR CORD SP61 1 8M IS037 H03 BLK UK 1 003 025 GA050070100 PWR CORD SP12NX1 8MXIS033 SPT 2 BLK 1 003 026 GA050100000 PWR CORD LP5X1 8MXLS7C US 2P L 1 003 027 GA060040009...

Страница 155: ...001 SYS UNIT ACY25 030 W WLAN 1 251 069 54B60130002 SYS UNIT ACY25 030 W O WLAN 1 251 070 51085630011 LCD ASSY ACY25 15 AU XGA 1 252 071 51085630012 LCD ASSY ACY25 15 LG XGA 1 252 072 51085630013 LCD...

Страница 156: ...UK 2P L 1 003 024 GA040100000 PWR CORD SP61 1 8M IS037 H03 BLK UK 1 003 025 GA050070100 PWR CORD SP12NX1 8MXIS033 SPT 2 BLK 1 003 026 GA050100000 PWR CORD LP5X1 8MXLS7C US 2P L 1 003 027 GA060040009...

Страница 157: ...NIT ACY25 030 W WLAN 1 251 069 54B60130002 SYS UNIT ACY25 030 W O WLAN 1 251 070 51085630021 LCD ASSY ACY25 15 CPT SXGA 1 252 071 51085630022 LCD ASSY ACY25 15 LG SXGA 1 252 072 51085630023 LCD ASSY A...

Страница 158: ...rt by UID 8746109 C NO PART NO DESCRIPTION QUANTITY REQUIRED LOCATION 30001 51085030001 HDD ASSY ACY25 W O HDD REF 001 MAAA4303000 SCREW M3 0X0 8 3K NL 4 001 002 EECY2538100 ACY25 HDD BRK COVER 1 002...

Страница 159: ...ZK 4 001 002 MAC925003Z0 SCREW M2 5_9_5 5 0 8_03_R00 3 001 003 FACY2532100 ACY25 FDD PANEL MIM 1 002 004 FACY2534100 ACY25 FDD PANEL PASC 1 002 005 ECCY2533100 ACY25 FDD BRK MIM 1 003 006 ECCY2535100...

Страница 160: ...Y ACY25 QSI 24X REF 51085230002 CD ROM ASSY ACY25 SAM 24X REF 001 MAAA0015320 SCREW M2 0X0 4P 3FP ZK NL 2 2 001 002 MABK17025B0 SCREW TPB2XM1 7 2 5K BNI 1 002 003 ECCY2543100 ACY25_CDR_BRK 1 1 003 004...

Страница 161: ...502 8X REF 001 MAAA0015320 SCREW M2 0X0 4P 3FP ZK NL 2 2 2 2 2 001 002 MABK17025B0 SCREW TPB2XM1 7 2 5K BNI 2 002 003 ECCY2543100 ACY25_CDR_BRK 1 1 1 1 1 003 004 APCY253F100 ACY25 DVD PANEL ASSY HLDS...

Страница 162: ...A 12...

Страница 163: ...ACY25 KME 8X REF 51085430002 CD RW ASSY ACY25 TOS 16X REF 001 MAAA0015320 SCREW M2 0X0 4P 3FP ZK NL 2 2 001 002 MAAAA173500 SCREW TPB 1 7 3 5P ZK 3 002 003 ECCY2543100 ACY25_CDR_BRK 1 1 003 004 APCY2...

Страница 164: ...BO ASSY ACY25 16X SHP SD R2212 REF 001 MAAA0015320 SCREW M2 0X0 4P 3FP ZK NL 2 2 2 2 2 001 002 MAAAA173500 SCREW TPB 1 7 3 5P ZK 3 002 003 ECCY2543100 ACY25_CDR_BRK 1 1 1 1 1 003 004 APCY253D100 ACY25...

Страница 165: ...OS SD R2212 REF 51085530008 COMBO ASSY ACY25 16X KME UJDA730 REF 001 MAAA0015320 SCREW M2 0X0 4P 3FP ZK NL 2 2 2 001 002 MAAAA173500 SCREW TPB 1 7 3 5P ZK 3 002 003 ECCY2543100 ACY25_CDR_BRK 1 1 1 003...

Страница 166: ...A 16...

Страница 167: ...K070012700 INVERTER COMMON TWS 442 117 SUMIDA 1 02 1 02 1 02 1 02 1 02 003 013 APCY251F100 ACY25 141 LCD BEZEL ASSY 1 1 101 014 APCY251R100 ACY25 150 LCD BEZEL ASSY 1 1 1 101 015 AMCY251M100 ACY25 150...

Страница 168: ...LCD LG 15 SXGA 1 1 1 002 005 PK070012600 INVERTER COMMON T51I056 00 AMBIT 1 02 1 02 1 02 003 006 PK070012700 INVERTER COMMON TWS 442 117 SUMIDA 1 02 1 02 1 02 003 007 APCY251R100 ACY25 150 LCD BEZEL A...

Страница 169: ...A 19...

Страница 170: ...00 SPK PACK ACY25 1W 8OHM L 1 1 007 007 PK230003400 SPK PACK ACY25 1W 8OHM R 1 1 008 008 DC025033500 H CON SET ACY25 MODEN MINI PCI 30 2P 1 1 009 009 AMCY2517100 ACY25 UP ESD PLATE SUB ASSY 1 1 101 01...

Страница 171: ...A 21...

Страница 172: ...030 W WLAN REF 54B60130002 SYS UNIT ACY25 030 W O WLAN REF 001 PK010005700 F D MODEM ACT10 1456VQL9Q INT 1 007 002 PK293000200 W M CARD ACT10 WLL030M ASKEY 1 008 003 46121030001 CPCBA M B LA 1341 ACY...

Страница 173: ...A 23...

Страница 174: ...Power Supply 4 1 DC DC Converter 4 3 DC DC Output 4 4 ACY23 14 1 15 Inverter Specification 4 7 5 Disassembly 5 1 General 5 1 Remove Battery Module 5 7 Remove PC Card Module 5 8 Remove Display Assembly...

Страница 175: ...Chapter 1 2 Remove CPU 5 31 Remove Top Cover 5 33 Remove Touch Pad 5 35 Remove Speakers 5 37 Remove Microphone jack 5 38 Remove System board 5 39 6 Testing and Troubleshooting 6 1 A Spare Parts A 1...

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