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Compaq Series 400, Руководство по техническому обслуживанию и ремонту

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Compaq Series 400 Скачать руководство пользователя страница 274

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Computer is beeping and

Computer has

Immediately save any open

battery indicator is

entered a low

file(s).

Then do any one

flashing.

battery condition.

of the following:

o Connect the computer to

an external power source,
then charge the battery
pack.

o Replace the battery pack

with a fully charged
battery pack.

o Initiate Hibernation

(press the Fn key and
power button
simultaneously) to
completely halt the power
consumption on the
battery pack, or initiate
Standby by pressing the
power button once to
reduce power consumption
until the battery pack
can be recharged or
another power source can
be connected.

---------------------------------------------------------------------------
Problem

Probable Cause

Solution(s)

---------------------------------------------------------------------------

Computer turned off

System initiated

Install a fully charged

while left unattended.

Hibernation due

battery pack or connect the

Power indicator is

to a low battery

computer to an external

off.

condition.

power source, then turn on
the computer.

------------------------------------------------
System initiated

Turn on the computer.

Hibernation
according to Power
Management
settings.

---------------------------------------------------------------------------
The computer has no

Power switch not

1. Determine if the power

power at all when the

functioning.

switch is functioning by

power switch is

removing the battery

activated. All

and connecting the AC

indicators are off.

If

power cord to the unit.

the other indicators

2. Replace the keyboard

come on for any period

assembly.

of time (even for a

------------------------------------------------

momentary flash), this

Defective keyboard

Install a new keyboard

is not a "no power"

assembly.

assembly.

problem.
---------------------------------------------------------------------------
Unit powers up from AC

Battery not

Charge the battery fully.

power, but not from the

charged.

battery.

------------------------------------------------
Defective battery.

Install another battery.

Содержание Series 400

Страница 1: ...mpaq Computer Corporation Copyright 1994 1995 Compaq Computer Corporation All rights reserved Printed in the U S A Compaq Deskpro LTE Contura Presario ProLinea Registered U S Patent and Trademark Offi...

Страница 2: ...sents clarifying information or specific instructions NOTE Text set off in this manner presents commentary sidelights or interesting points of information Technician Notes CAUTION Only authorized tech...

Страница 3: ...o Compaq Service Quick Reference Guide o Service Training Guides o Compaq Service Advisories and Bulletins o Compaq QuickFind...

Страница 4: ...in the chassis and display enclosure allowing it to open and close The system unit module is secured to the CPU base by screw locks in the rear and screws in the bottom of the system unit enclosure T...

Страница 5: ...ottom of the computer The serial number on the Docking Base is located on the rear of the base Chapter 1 3 System Unit Module Overview The system unit module Figure 1 4 contains the following upgradab...

Страница 6: ...Model Processor Hard Drive Memory Display Contura 400 486 DX2 40 MHz 170 MB 4 MB 9 5 in Monochrome Contura 400 486 DX2 40 MHz 250 MB 4 MB 9 5 in Monochrome Contura 400C 486 DX2 40 MHz 250 MB 4 MB 9 5...

Страница 7: ...ssembly consists of the trackball retaining ring and connector The trackball assembly connects directly to the system board and is secured by one screw It cannot be replaced with the optical trackball...

Страница 8: ...components are accessed from the bottom of the computer o Hard drive The hard drive is easily replaced or upgraded from the bottom of the computer Remove two screws from the hard drive compartment cov...

Страница 9: ...system board is unique and cannot be replaced by the one used in the Compaq Models 400 and 410 o Processor upgrade Models 420 and 430 are equipped with either a DX4 75 MHz or a DX4 100 MHz processor...

Страница 10: ...es a description of the display assembly and components All display assemblies Figure 1 5 and Figure 1 6 include the following replaceable parts o Bezel o Enclosure latches o Inverter board o Liquid c...

Страница 11: ...removing the bezel secured with four screws on the front of the display The display cable is a prefolded flex cable that connects to the display inverter board with a low insertion force LIF connector...

Страница 12: ...Chapter 1 5 Docking Base The docking base includes the following replaceable parts o Battery door o Feet o Handle...

Страница 13: ...Chapter 1 6 Monitor Support Cover The monitor support cover is used with the docking base The foot on the monitor support cover is the only replaceable part...

Страница 14: ...Chapter 1 7 System Unit Module Parts...

Страница 15: ...g b battery latch button and spring c handle bracket screws and washers d battery shield insulator e tilt foot and screws f warning label g anti skid pads h memory door 2 System board Include PC Card...

Страница 16: ...a rails b clip c screws 9 Chassis 147865 001 10 Clutches 147858 002 Includes a left b right 11 Hard drive 350 MB 189111 001 Does not include hard drive bracket 250 MB 199233 001 170 MB 169685 001 12...

Страница 17: ...and spring b battery latch button and spring c handle bracket screws and washers d battery shield insulator e tilt foot and screws f warning label g anti skid pads h memory door 2 System board Includ...

Страница 18: ...crews 8 Chassis 189241 001 9 Clutches 147858 001 Includes a left b right 10 Hard drive Does not include hard drive bracket 720 MB 189156 001 540 MB 189132 001 420 MB 189112 001 350 MB 189111 001 11 Ha...

Страница 19: ...147622 001 3 Display panel 147877 001 Includes labels and shield 4 Display cables 147884 001 Includes a display cable b display ground cable 5 Display clutch 147858 001 Includes screws for handle lef...

Страница 20: ...01 2 Backlight inverter board 147624 001 3 Display panel 147878 001 Includes labels and shield 4 Display cables 147884 001 Includes a display cable b display ground cable 5 Display clutch 147858 001 I...

Страница 21: ...Description Number Notes 1 Display bezel 189246 001 2 Backlight inverter board 189135 001 3 Display panel 189113 001 Includes labels and shield 4 Display cables 189247 001 Includes a display cable b d...

Страница 22: ...Not Shown Chapter 1 11 Color TFT 8 4 inch Display Assembly Parts Table 1 7 CTFT 8 4 inch Display Assembly Models 400 and 410 Spare Part Description Number Notes 1 Display bezel 147869 001 2 Backlight...

Страница 23: ...r tilt feet 6 Display enclosure Includes enclosure latch kit 147881 001 spring and logo 7 Screw kit 147885 001 Not Shown Chapter 1 12 Color TFT 10 4 inch Display Assembly Parts Table 1 8 CTFT 10 4 inc...

Страница 24: ...ble b display ground cable 5 Display clutch Includes screws for handle left and right 147858 001 bracket washer tilt feet 6 Display enclosure Includes enclosure latch kit 189243 001 spring and logo 7...

Страница 25: ...004 5 French 147875 005 6 Italian 147875 006 7 Spanish 147875 007 8 Danish 147875 008 9 Norwegian 147875 009 10 Swedish Finnish 147875 010 11 Swiss 147875 011 12 French Canadian 147875 012 13 Portugue...

Страница 26: ...rman 140536 104 4 Enhanced III Keyboard French 140536 105 5 Enhanced III Keyboard Italian 140536 106 6 Enhanced III Keyboard Spanish 140536 107 7 Enhanced III Keyboard Danish 140536 108 8 Enhanced III...

Страница 27: ...140536 120 20 Enhanced III Keyboard Hungarian 140536 121 21 Enhanced III Keyboard Polish 140536 122 22 Enhanced III Keyboard Slovakian 140536 123 23 Enhanced III Keyboard Russian 140536 124 24 Enhanc...

Страница 28: ...ion Spare Part Number 1 Display cables 147884 001 a CSTN 9 5 in Models 400 and 410 b MSTN 9 5 in Model 400 only c CTFT 8 4 in Models 400 and 410 d Ground cable for Models 400 and 410 2 Diskette cable...

Страница 29: ...pare Part Number 1 Display cables 189247 001 a CTFT 10 4 in Models 420 and 430 b CSTN 10 4 in Models 420 and 430 c XOVER board for CSTN 10 4 in only d Ground cable for Models 420 and 430 2 Diskette ca...

Страница 30: ...rt Numbers 1 AC adapter with wallprongs 147679 001 2 AC adapter 147679 002 3 Power cord U S Canada 197230 001 4 Power cord U K 197232 001 5 Power cord Europe 197231 001 6 Power cord Japan 197233 001 7...

Страница 31: ...ion All Models Spare Part Numbers 1 Memory expansion board a 4 MB 147654 001 b 8 MB 147656 001 c 16 MB 147658 001 d 24 MB 189261 001 2 Processor upgrade Model 400 only 486 DX2 50 MHz 169644 001 Not Sh...

Страница 32: ...laneous Carrying Devices Description All Models Spare Part Numbers 1 Briefcase Ramie 129930 001 2 Slipcase 194162 001 3 Briefcase SS soft sided 121423 001 Not Shown Chapter 1 19 Docking Base and Monit...

Страница 33: ...thernet 147675 001 2 Docking Base pass thru 147699 001 3 Docking base miscellaneous 169666 001 a Battery door b Feet c Handle d Screws Quantity 2 4 Monitor support cover 147676 001 5 Monitor support c...

Страница 34: ...420C 189265 001 SpeedPaq 192 Data Fax Cellular 187123 001 Modem PC Card PCMCIA 288 Fax Modem 189661 001 PC Card PCMCIA 192 Fax Modem 188512 001 PC Card PCMCIA modem pouch 194133 001 CA TEL MED 187145...

Страница 35: ...m board Hold down system 5 board to base and 4 chassis Trackball assembly 1 to base 2 Battery contracts 2 to base through system board CPU cover to 7 keyboard Clutches to 4 display enclosure Models 40...

Страница 36: ...001 1 extension return spring Display latch 2 return spring Washer Under handle 147923 001 2 bracket M2 5 Shoulder Handle bracket to 147760 001 T8 2 clutch through CPU base M2 5 Shoulder CPU foot to 1...

Страница 37: ...071 QUICK SETUP BEYOND SETUP KEYBOARD REFERENCE Manual TABWORKS QUICK START GUIDE English 195866 001 German 195866 041 French 195866 051 Italian 195866 061 Spanish 195866 071 Swedish 195866 101 Nether...

Страница 38: ...nish 195973 351 Manual LOTUS ORGANIZER English 137885 001 German 137885 041 French 137885 051 Italian 137885 061 Spanish 137885 071 Danish 137885 081 Norwegian 137885 091 Swedish 137885 101 Dutch 1378...

Страница 39: ...ive devices or micro circuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD may not be affected at all and will work perfectl...

Страница 40: ...ey arrive at static free stations o Place items on a grounded surface before removing them from their container o Always be properly grounded when touching a sensitive component or assembly o Place re...

Страница 41: ...ents parts and assemblies by the case or PCB laminate Handle them only at static free workstations o Avoid contact with pins leads or circuitry o Turn off power and input signals before inserting and...

Страница 42: ...ng static electricity include o Anti static tape o Anti static smocks aprons or sleeve protectors o Conductive bins and other assembly or soldering aids o Conductive foam o Conductive table top workst...

Страница 43: ...throughout the unit are flex cables These cables must be handled with extreme care to avoid damage Apply only the tension required to seat or unseat the cables during insertion or removal from the con...

Страница 44: ...ers or similar tools to pry apart plastics Where necessary use the Case Utility tool spare part number 119070 001 Proper handling of this tool is illustrated in the disassembly and reassembly procedur...

Страница 45: ...nt Compaq has initiated a disposal recycling program for these battery packs Further because Compaq is funding all costs associated with the program it is offered at no cost to Compaq laptop and noteb...

Страница 46: ...ly Sequence Chart This chart shows the order in which disassembly procedures are provided 3 2 PREPARING THE COMPUTER AC Adapter Battery pack 3 3 HANDLE BRACKET 3 4 TILT FEET 3 5 HARD DRIVE 3 6 MEMORY...

Страница 47: ...Display ground cable 3 23 COLOR STN 9 5 DISPLAY Models 400 and 410 LCD Panel Shield Display cable Display ground cable 3 24 COLOR TFT 8 4 DISPLAY Models 400 and 410 LCD Panel Shield Display cable Dis...

Страница 48: ...puter before beginning replacement procedures Failure to disconnect power could result in serious injury or damage to the equipment CAUTION Static electricity can damage electronic components Before b...

Страница 49: ...5 Disconnect the AC Adapter power cord from the computer Figure 3 2 6 Eject the diskette Figure 3 2 and PC Card if installed...

Страница 50: ...the battery compartment by lifting up the front of the computer 1 and sliding the battery compartment release button to the right 2 The battery compartment opens slightly Lower the compartment 3 Figu...

Страница 51: ...8 Remove the battery pack Figure 3 4...

Страница 52: ...the battery pack in the battery compartment 9 Close the battery compartment Chapter 3 3 Handle Bracket This procedure is necessary if replacing the handle bracket or if separating the display assembly...

Страница 53: ...oward the front of the computer exposing the handle bracket screw on either side of the computer Figure 3 5 4 Using a Torx T8 remove the screw and washer from each handle bracket These screws are not...

Страница 54: ...t or if separating the display assembly from the system unit module Removing the Tilt Feet To remove the tilt feet follow these steps 1 Disconnect all power from the computer and remove the AC Adapter...

Страница 55: ...ins removal procedures for the following hard drive components o Hard drive compartment cover o Hard drive o Hard drive bracket Removing the Hard Drive Compartment Cover To remove the hard drive compa...

Страница 56: ...emove the two screws from the hard drive compartment cover Figure 3 8 NOTE These two screws also secure the CPU base to the keyboard and must be removed in order to remove the keyboard and access syst...

Страница 57: ...dge Removing the Hard Drive 1 Remove the hard drive compartment cover Refer to Removing the Hard Drive Compartment Cover in this section 2 Remove the hard drive by grasping the hard drive bracket and...

Страница 58: ...d drive compartment cover Refer to Removing the Hard Drive Compartment Cover in this section 2 Remove the hard drive and bracket Refer to Removing the Hard Drive in this section 3 Using a Torx T8 remo...

Страница 59: ...ensure that the hard drive is aligned correctly IMPORTANT The hard drive bracket has four screw holes one of which is elongated and one is small When replacing the hard drive into the hard drive brack...

Страница 60: ...nd replacement procedures for the memory compartment cover and the memory expansion board The memory compartment cover and the bottom of the CPU base are embossed with arrows and two icons that indica...

Страница 61: ...m the computer and remove the battery pack diskette and PC Card if installed Section 3 2 2 Close the computer and turn it top side down 3 Slide the memory compartment cover toward the rear of the comp...

Страница 62: ...sion Board To remove the memory expansion board follow these steps 1 Remove the memory compartment cover Refer to Removing and Replacing the Memory Compartment Cover in this section 2 Gently rock the...

Страница 63: ...tors on the system board CAUTION To prevent damage to the memory expansion board do not apply pressure to the middle of the board Press only in the area directly over each connector 2 Insert the memor...

Страница 64: ...tains removal and replacement procedures for the following the keyboard assembly components o CPU cover o Keyboard o Top PC Card door and spring NOTE The bottom PC Card door and spring are part of the...

Страница 65: ...t interchangeable As you remove screws place them with the components you removed Damage may occur if you insert the screws in the wrong place 3 Using a Torx T 8 or flat bladed screwdriver remove the...

Страница 66: ...Use a case utility tool to remove the hard drive compartment cover Figure 3 18 5 Carefully turn the computer top side up and open the display to its fully opened position 135 degree angle Figure 3 19...

Страница 67: ...ar corners of the keyboard assembly to release the keyboard snaps 1 and tilt the keyboard assembly toward you to release the keyboard connector 2 Figure 3 20 IMPORTANT When using the case utility tool...

Страница 68: ...ard assembly is removed and the display is opened To prevent damage to the display and the computer be sure to support the computer when opening the display 7 Remove the keyboard assembly by lifting i...

Страница 69: ...8 Position the display to a 90 degree angle Figure 3 22...

Страница 70: ...eyboard assembly The remaining screws holes are for the screws that go through the keyboard assembly to the CPU base 3 Using a Torx T 8 or flat bladed screwdriver remove the seven screws on the bottom...

Страница 71: ...and spring from the keyboard assembly follow these steps 1 Remove the keyboard assembly from the computer Refer to Removing the Keyboard Assembly in this section 2 Turn the keyboard assembly top side...

Страница 72: ...d Spring To replace the top PC Card Door and Spring to the keyboard assembly follow these steps 1 Install the PC Card spring on the door post ensuring that the bent arm of the spring is placed against...

Страница 73: ...2 Install the PC Card PCMCIA door ensuring that the spring is placed between the post 1 and the rib 2 Figure 3 26...

Страница 74: ...ner to the diskette drive bracket follow these steps 1 Separate the new hook and loop fastener 2 Attach the opposite color of the hook and loop fastener to the existing hook and loop fastener on the t...

Страница 75: ...To replace the existing keyboard assembly in the computer follow these steps 1 Open the display to its fully opened position of 135 degrees Figure 3 28...

Страница 76: ...stem unit module and press the outside rear corners until the keyboard assembly snaps into place 5 Verify the alignment of the keyboard assembly to the computer base Check the seams between the front...

Страница 77: ...skid pad o Battery release button spring o Battery release button Removing the Battery Compartment To remove the battery compartment components follow these steps 1 Disconnect all power from the compu...

Страница 78: ...installing a new battery compartment two anti skid pads must be attached to the bottom of the battery compartment To attach the anti skid pads follow these steps 1 Peel off the top layer of one of the...

Страница 79: ...es top heavy when the keyboard assembly is removed and the display is opened To prevent damage to the display and the computer ensure that the display assembly is opened to a 90 degree angle 2 Remove...

Страница 80: ...4 Rotate the battery release button counterclockwise until it bows slightly and lift it up to clear the hook on the computer base Figure 3 33...

Страница 81: ...er from the computer and remove the AC Adapter and battery pack Section 3 2 CAUTION The computer becomes top heavy when the keyboard assembly is removed and the display is opened To prevent damage to...

Страница 82: ...y disposal procedures CAUTION Do not touch the bottom of the battery during replacement 4 To replace the real time clock battery reverse the previous steps Chapter 3 10 Real Time Clock Battery Models...

Страница 83: ...ard assembly Section 3 7 3 Remove the real time clock battery from the system board by inserting a non conductive probe into the battery holder and pushing back on the battery to release it Figure 3 3...

Страница 84: ...the system board processor NOTE Use only the DX2 50 MHz processor in the upgrade option slot To install the processor upgrade option do the following 1 Disconnect all power from the computer and remov...

Страница 85: ...ball assembly in Models 420 and 430 To remove the integrated mechanical trackball assembly follow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Sectio...

Страница 86: ...grated mechanical trackball assembly Figure 3 37 4 Disconnect the integrated mechanical trackball assembly from the system board by pulling forward on the integrated mechanical trackball assembly unti...

Страница 87: ...all retaining ring by placing the trackball tool over the retaining ring and turning the tool counterclockwise one quarter turn 3 Carefully remove the retaining ring This is a delicate part and repeti...

Страница 88: ...Let the unit air dry before reassembling it 9 To reassemble place the computer right side up and place the cleaned ball into its cage 10 Gently replace the retaining ring by aligning the notches then...

Страница 89: ...or flat bladed screwdriver remove the screw from the front right hand corner and the left rear corner of the trackball assembly Figure 3 39 4 Disconnect the integrated optical trackball assembly from...

Страница 90: ...4 Dip a cotton swab in isopropyl alcohol and squeeze off excess liquid 5 Carefully wipe inside the cage to remove residue from surfaces Clean the ball bearings by rubbing with the swab Do not attempt...

Страница 91: ...e diskette drive follow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 CAUTION The computer becomes top heavy when the keyboard assembly is...

Страница 92: ...you remove screws place them with the components you removed Damage may occur if you insert the screws in the wrong place 4 Using a Torx T 8 or flat bladed screwdriver remove the three diskette drive...

Страница 93: ...ve hold it by grasping the vertical sides Pressure to the front drive door area of the diskette drive will cause the drive door to pop out from the mounting 5 Tilt up the diskette drive bracket then l...

Страница 94: ...kette Drive Bracket 1 Remove the diskette drive from the system chassis Refer to Removing the Diskette Drive in this section 2 Remove the diskette drive from the bracket by removing the four screws fr...

Страница 95: ...3 Separate the diskette drive from the bracket Figure 3 45...

Страница 96: ...loop fastener follow these steps 1 Separate the new hook and loop fastener 2 Remove the backing from the adhesive on the hook and loop fastener that is the opposite color of the hook and loop fastene...

Страница 97: ...he drive door to pop out from the mounting 1 Replace the diskette drive into the diskette drive bracket Use the four screws to secure the diskette drive to the bracket 2 Tow in the back end of the dis...

Страница 98: ...power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Remove the hard drive Section 3 5 3 Remove the memory expansion board if installed Section 3 6 4 On the rear of the com...

Страница 99: ...y Section 3 7 7 Remove the processor upgrade if installed Section 3 11 8 Remove the integrated trackball assembly Section 3 12 for Models 400 and 410 and Section 3 13 for Models 420 and 430 9 Remove t...

Страница 100: ...connector slide simultaneously 1 carefully opening the slide 2 Figure 3 49 11 Lift the display cable out of the connector slide 3 being careful not to pull or twist the cable Figure 3 49 12 Disconnect...

Страница 101: ...13 Remove the three keyboard ground clips from the system board Figure 3 51...

Страница 102: ...14 Remove the left clutch ground clip from the system chassis Figure 3 52...

Страница 103: ...15 For Models 400 and 410 using a Torx T8 or slotted driver remove the five screws from the system board and the two screws from the battery contact Figure 3 53...

Страница 104: ...16 For Models 420 and 430 using a Torx T8 or slotted driver remove the four screws from the system board and the two screws from the battery contact Figure 3 54...

Страница 105: ...17 From the front of the computer tilt the system board up then lift the system board out of the system chassis Figure 3 55...

Страница 106: ...18 Remove the LIF clip from above the serial port connector between the system board and the system chassis Figure 3 56...

Страница 107: ...make sure that the insulator is placed between the system board and the diskette drive The gasket over the Keyboard connector must be tucked under the Chassis IMPORTANT When replacing the system board...

Страница 108: ...2 Install screws 1 and 2 on the system board before replacing the remaining system board and battery contact screws for Models 400 and 410 Figure 3 58 and for Models 420 and 430 Figure 3 59...

Страница 109: ......

Страница 110: ...PC Card rails To remove the PC Card assembly or to remove part of the assembly follow these steps Removing the PC Card Clip To remove the PC Card clip follow these steps 1 Disconnect all power from t...

Страница 111: ...screws 2 from the bottom of the system board Figure 3 60 6 Remove the clip from the top of the PC Card PCMCIA header Figure 3 60 CAUTION Do not over torque the clip or it can be damaged 7 Replacement...

Страница 112: ...00 and 410 models are not interchangeable with the rails for the 420 and 430 models To remove the PC Card rails follow these steps 1 Remove the PC Card clips Refer to Removing the PC Card Clip in this...

Страница 113: ...To remove the PC Card ejection levers and pin follow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Remove the PC Card ejection lever pi...

Страница 114: ...4 Remove the bottom PC Card ejection lever from the boss on the CPU base Figure 3 64...

Страница 115: ...sembly and the bottom PC Card door and spring are located on the CPU base Top PC Card Door and Spring To remove the top PC Card door and spring follow these steps 1 Disconnect all power from the compu...

Страница 116: ...move the door Figure 3 65 4 Remove the spring 2 from the PC Card door Figure 3 65 To replace the top PC Card PCMCIA door and spring follow these steps 1 Install the PC Card spring on the door rib maki...

Страница 117: ...2 Install the PC Card door making sure the spring is placed between the notch 1 and the rib 2 Figure 3 67...

Страница 118: ...dapter and battery pack Section 3 2 CAUTION The computer becomes top heavy when the keyboard assembly is removed and the display is opened To prevent damage to the display and the computer ensure that...

Страница 119: ...ace the bottom PC Card PCMCIA spring and door follow these steps 1 Install the PC Card spring on the door post making sure the bent arm of the spring is placed against the rib on the PC Card door Figu...

Страница 120: ...2 Install the PC Card door making sure the spring is placed between the notch 1 and the rib 2 Figure 3 70...

Страница 121: ...r side of the computer Section 3 3 3 Remove the tilt feet on either side of the computer Section 3 4 CAUTION The computer becomes top heavy when the keyboard assembly is removed and the display is ope...

Страница 122: ...7 Remove the four clutch screws from the rear of the system unit module Figure 3 71 8 Remove the display assembly from the system unit module Figure 3 72...

Страница 123: ...9 Slide the trough at the rear of the CPU base to the right then lift up to remove Figure 3 73...

Страница 124: ...10 Remove the system chassis by gently separating it from the CPU base and lifting out the system chassis Figure 3 74...

Страница 125: ...and replacement procedures for the following CPU base components o Battery shield clip o Lock provision plate o Anti skid pads Removing and Replacing the Battery Shield Clip To remove the battery shie...

Страница 126: ...e the keyboard assembly Section 3 7 3 Remove the battery shield clip located between the battery enclosure and the right interior wall of the CPU base Figure 3 75 4 To replace the battery shield clip...

Страница 127: ...provision plate located between the battery enclosure and the right interior wall of the CPU base The lock provision plate looks different for Models 420 and 430 as depicted in the insert Figure 3 76...

Страница 128: ...sembly Components Models 400 and 410 This section contains removal and replacement procedures for the following display assembly components o Bezel o Latches o Inverter board Removing and Replacing th...

Страница 129: ...zel follow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer 3 Remove the four screws from the display bezel Figure 3 78 4...

Страница 130: ...onnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer 3 Remove the display bezel Refer to Removing and Replacing the Display Bezel in this secti...

Страница 131: ...6 Remove the display latch spring from the latch Figure 3 81...

Страница 132: ...e Springs and Latches To replace the display springs and latches follow these steps 1 Hook the display latch spring on to the display latch 1 and place the display latch spring over the post in the di...

Страница 133: ...2 Slide the display latch into place on either side of the display enclosure Figure 3 83...

Страница 134: ...acing the Display Bezel in this section WARNING Ensure that the power cord is disconnected from the electrical outlet and that the battery pack is removed from the computer before beginning replacemen...

Страница 135: ...moved from the computer before beginning replacement procedures Failure to disconnect power could result in serious injury or damage to the equipment 5 Unplug the backlight cable 1 from the display in...

Страница 136: ...re to disconnect power could result in serious injury or damage to the equipment CAUTION These steps must be followed whenever replacing any component in the display assembly because of high susceptib...

Страница 137: ...ving the Monochrome Panel the Shield the Display Cable and the Display Ground Cable To remove the Monochrome liquid crystal display LCD panel the shield the display cable and the display ground cable...

Страница 138: ...onnector slide simultaneously 1 carefully opening the slide 2 Figure 3 86 5 Lift the display cable out of the connector slide 3 being careful not to pull or twist the cable Figure 3 86 6 Disconnect th...

Страница 139: ...isconnected before handling the Inverter Board 8 Remove the inverter board Section 3 21 9 Remove the display cable and backlight cable from the inverter board Section 3 21 WARNING The computer becomes...

Страница 140: ...servicing the computer ensure that cables are placed in their proper location to avoid pinching during the reassembly process Improper cable placement can cause severe damage to the unit 11 Remove th...

Страница 141: ...12 Carefully remove the Monochrome LCD panel display cable and shield from the display enclosure Figure 3 90...

Страница 142: ...CD panel face down on a clean surface 14 Grasp the sides of the shield near the backlight cable Flex the shield away from the Monochrome LCD panel Ensure that the shield tabs and finger grips clear th...

Страница 143: ...Improper cable placement can cause severe damage to the unit 15 Remove the display cable from the Monochrome LCD panel by pulling up both ends of the ZIF connector slide simultaneously 1 carefully ope...

Страница 144: ...17 Lift the display ground cable out of the display enclosure Figure 3 93...

Страница 145: ...hrome LCD panel follow these steps CAUTION When servicing the computer ensure that cables are placed in their proper location to avoid pinching during the reassembly process Improper cable placement c...

Страница 146: ...at the ZIF connector slide is in its fully upward position and that it remains so while you are inserting the cable into it Before closing the slide ensure that the cable is fully seated in the ZIF co...

Страница 147: ...the shield 4 Replace the display shield on the Monochrome LCD panel by slightly flexing the display shield tabs and fingers on the Monochrome LCD panel Ensure that the LIF connector end of the displa...

Страница 148: ...5 Place the shield tabs in the indentations on the right side of the Monochrome LCD panel Figure 3 97...

Страница 149: ...anel shield and cable in the display enclosure and replace the screws Ensure that the ZIF connector end of the display cable and the end of the display ground cable are exposed at the bottom of the di...

Страница 150: ...above the serial port connector Figure 3 99 11 Carefully insert the end of the display ground cable into the ZIF connector slide on the system board Figure 3 99 IMPORTANT Ensure that the ZIF connector...

Страница 151: ...12 While holding the end of the display cable inside the ZIF connector slide press down both ends of the slide simultaneously to secure the cable in the ZIF connector Figure 3 100...

Страница 152: ...inch Display Models 400 and 410 IMPORTANT The Monochrome CSTN and the CTFT displays have different removal and replacement procedures Be sure to follow the procedures for the specific display This se...

Страница 153: ...event damage to the display and the computer ensure that the display assembly is opened at a 90 degree angle 3 Remove the keyboard assembly Section 3 7 CAUTION The ZIF connector and its attached cable...

Страница 154: ...6 Disconnect the display ground cable 1 from the LIF clip above the serial port connector Figure 3 102...

Страница 155: ...3 23 9 Remove the display cable and backlight cable from the inverter board Section 3 23 CAUTION The computer becomes top heavy when the keyboard assembly is removed and the display is opened To prev...

Страница 156: ...that cables are placed in their proper location to avoid pinching during the reassembly process Improper cable placement can cause severe damage to the unit 11 Remove the screws that secure the CSTN...

Страница 157: ...12 Carefully remove the CSTN 9 5 inch panel display cable and shield from the display enclosure Figure 3 105...

Страница 158: ...xcess flexing and bending of the shield tabs and fingers can damage the shield 13 On the right side of display shield slide the two shield tabs from the face of the CSTN 9 5 inch panel to the back Fig...

Страница 159: ...14 Lay the CSTN 9 5 inch panel face down on a clean surface 15 Slide the display shield off the CSTN 9 5 inch panel Figure 3 107...

Страница 160: ...16 Disconnect the display cable from the connector on the back of the CSTN 9 5 inch panel Figure 3 108...

Страница 161: ...17 Lift the display ground cable out of the display enclosure Figure 3 109...

Страница 162: ...STN 9 5 inch Panel To replace the display ground cable the display cable the shield and the CSTN 9 5 inch panel follow these steps 1 Position the display ground cable in the display enclosure aligning...

Страница 163: ...2 Connect the display cable to the connector on the back of the CSTN 9 5 inch panel Figure 3 111...

Страница 164: ...tabs on the left side of the display shield and slide the shield onto the CSTN 9 5 inch panel Ensure that the LIF connector end of the display cable is exposed on the right side of the CSTN 9 5 inch...

Страница 165: ...4 Place the display shield tabs in the indentations on the sides of the CSTN 9 5 inch panel Figure 3 113...

Страница 166: ...display cable and shield in the display enclosure and replace the screws Ensure that the ZIF connector end of the display cable and the end of the display ground cable are exposed at the bottom of the...

Страница 167: ...the backlight cable to the inverter board Section 3 23 7 Replace the inverter board Section 3 23 8 Replace the bezel Section 3 23 9 Connect the display ground cable 1 from the LIF clip above the seri...

Страница 168: ...position and that it remains so while you are inserting the cable into it Before closing the slide ensure that the cable is fully seated to the white insertion line in the ZIF connector 11 While hold...

Страница 169: ...ch Display Models 400 and 410 IMPORTANT The Monochrome CSTN and the CTFT displays have different removal and replacement procedures Be sure to follow the procedures for the specific display This secti...

Страница 170: ...nsure that the trough does not tilt forward into the CPU base when the bezel is removed 3 Remove the display bezel Section 3 21 CAUTION The computer becomes top heavy when the keyboard assembly is rem...

Страница 171: ...Section 3 21 CAUTION When servicing the computer ensure that cables are placed in their proper location to avoid pinching during the reassembly process Improper cable placement can cause severe damage...

Страница 172: ...8 Carefully rotate the CTFT 8 4 inch panel down and out of the display enclosure laying the CTFT 8 4 inch panel gently on the keyboard assembly Figure 3 119...

Страница 173: ...9 Remove the display cable from the connector on the back of the panel by pulling the tabs at the back of the connector Figure 3 120...

Страница 174: ...Replacing the CTFT 8 4 inch Display Panel To replace the CTFT 8 4 inch panel follow these steps 1 Connect the display cable to the connector on the back of the CTFT 8 4 inch panel Figure 3 121...

Страница 175: ...2 Position the CTFT 8 4 inch panel into the display enclosure ensuring that the ZIF connector end of the display cable is exposed on the right side of the CTFT 8 4 inch panel Figure 3 122...

Страница 176: ...isconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer CAUTION The computer becomes top heavy when the keyboard assembly is removed and the di...

Страница 177: ...em board by pulling up both ends of the ZIF connector slide simultaneously 1 carefully opening the slide 2 Figure 3 123 5 Lift the display cable out of the connector slide 3 being careful not to pull...

Страница 178: ...the CTFT Display Cable To replace the CTFT 8 4 inch display cable follow these steps 1 Connect the display cable to the CTFT 8 4 inch panel Refer to Replacing the CTFT 8 4 inch Display Panel in this...

Страница 179: ...4 inch Display Shield To remove the CTFT 8 4 inch display shield follow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer...

Страница 180: ...proper location to avoid pinching during the reassembly process Improper cable placement can cause severe damage to the unit 6 Remove the CTFT 8 4 inch panel from the display enclosure Refer to Removi...

Страница 181: ...ollow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer CAUTION To prevent damage to the trough ensure that the trough doe...

Страница 182: ...ch panel from the display enclosure Refer to Removing the CTFT 8 4 inch Display Panel in this section 7 Remove the display cable Refer to Removing the CTFT 8 4 inch Display Cable in this section 8 Rem...

Страница 183: ...is section contains removal and replacement procedures for the following display assembly components o Bezel o Latches o Inverter board Removing and Replacing the Display Bezel To remove the display b...

Страница 184: ...2 Open the computer 3 Remove the four screws from the display bezel Figure 3 129 4 Separate the display bezel from the display assembly Figure 3 130...

Страница 185: ...nnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer 3 Remove the display bezel Refer to Removing and Replacing the Display Bezel in this sectio...

Страница 186: ...6 Remove the display latch spring from the latch Figure 3 132...

Страница 187: ...e Springs and Latches To replace the display springs and latches follow these steps 1 Hook the display latch spring on to the display latch 1 and place the display latch spring over the post in the di...

Страница 188: ...2 Slide the display latch into place on either side of the display enclosure Figure 3 134...

Страница 189: ...to disconnect power could result in serious injury or damage to the equipment To remove the inverter board for the CSTN 10 4 inch Display follow these steps 1 Disconnect all power from the computer an...

Страница 190: ...moved from the computer before beginning replacement procedures Failure to disconnect power could result in serious injury or damage to the equipment 5 Unplug the backlight cable 1 from the display in...

Страница 191: ...attery pack is removed from the computer before beginning replacement procedures Failure to disconnect power could result in serious injury or damage to the equipment NOTE The CTFT 10 4 inch display i...

Страница 192: ...r 3 Remove the display bezel Refer to Removing and Replacing the Display Bezel in this section CAUTION When servicing the computer ensure that cables are placed in their proper location to avoid pinch...

Страница 193: ...o disconnect power could result in serious injury or damage to the equipment 5 Unplug the backlight cable 1 from the display inverter board to free the inverter board from the display enclosure Figure...

Страница 194: ...re to disconnect power could result in serious injury or damage to the equipment CAUTION These steps must be followed whenever replacing any component in the display assembly because of high susceptib...

Страница 195: ...ow the procedures for the specific display This section contains removal and replacement procedures for the following CSTN 10 4 inch display components o Display panel o Shield o Display cable o Displ...

Страница 196: ...in the ZIF connector 4 Remove the display cable from the system board by pulling up both ends of the ZIF connector slide simultaneously 1 carefully opening the slide 2 Figure 3 140 5 Lift the display...

Страница 197: ...3 25 9 Remove the display cable and backlight cable from the inverter board Section 3 25 CAUTION The computer becomes top heavy when the keyboard assembly is removed and the display is opened To prev...

Страница 198: ...that cables are placed in their proper location to avoid pinching during the reassembly process Improper cable placement can cause severe damage to the unit 11 Remove the screws that secure the CSTN 1...

Страница 199: ...12 Carefully remove the CSTN 10 4 inch panel display cable and shield from the display enclosure Figure 3 144...

Страница 200: ...xcess flexing and bending of the shield tabs and fingers can damage the shield 13 On the right side of display shield slide the two shield tabs from the face of the CSTN 10 4 inch panel to the back Fi...

Страница 201: ...14 Lay the CSTN 10 4 inch panel face down on a clean surface 15 Slide the display shield off the CSTN panel Figure 3 146...

Страница 202: ...16 Only Sharp panels require the XOVER Board Remove the ground wire connecting the XOVER Board with the CSTN 10 4 inch Panel Figure 3 147...

Страница 203: ...17 Disconnect the display cable from the connector on the back of the CSTN 10 4 inch panel Figure 3 148...

Страница 204: ...17 Lift the display ground cable out of the display enclosure Figure 3 149...

Страница 205: ...Replacing the Display Ground Cable Display Cable Shield and the CSTN 10 4 inch Panel To replace the display ground cable display cable shield and the CSTN 10 4 inch panel follow these steps...

Страница 206: ...igure 3 151 2 If the CSTN panel is manufactured by Sharp complete this step If not continue to step 4 Connect the display cable to the XOVER Board Then connect the XOVER Board to the connector on the...

Страница 207: ...ctured by Sharp complete this step If not continue to the next step Peel off the adhesive from the back of the rubber pad found in the spare kit Place this pad on the display enclosure indicated by th...

Страница 208: ...tabs on the left side of the display shield and slide the shield onto the CSTN 10 4 inch panel Ensure that the LIF connector end of the display cable is exposed on the right side of the CSTN 10 4 inch...

Страница 209: ...5 Place the display shield tabs in the indentations on the sides of the CSTN 10 4 in panel Figure 3 154...

Страница 210: ...display cable and shield in the display enclosure and replace the screws Ensure that the ZIF connector end of the display cable and the end of the display ground cable are exposed at the bottom of th...

Страница 211: ...the backlight cable to the inverter board Section 3 25 8 Replace the inverter board Section 3 25 9 Replace the bezel Section 3 25 10 Connect the display ground cable 1 from the LIF clip above the ser...

Страница 212: ...ard position and that it remains so while you are inserting the cable into it Before closing the slide ensure that the cable is fully seated to the white insertion line in the ZIF connector 12 While h...

Страница 213: ...inch Display Models 420 and 430 IMPORTANT The Monochrome CSTN and the CTFT displays have different removal and replacement procedures Be sure to follow the procedures for the specific display This se...

Страница 214: ...he trough does not tilt forward into the CPU base when the bezel is removed 3 Remove the display bezel Section 3 25 CAUTION The computer becomes top heavy when the keyboard assembly is removed and the...

Страница 215: ...isplay Loosen the screws on the display to slide the inverter out from behind the display 5 Remove the inverter board Section 3 25 6 Remove the display cable and backlight cable from the inverter boar...

Страница 216: ...8 Carefully rotate the CTFT 10 4 inch panel down and out of the display enclosure laying the CTFT 10 4 inch panel gently on the keyboard assembly Figure 3 160...

Страница 217: ...9 Remove the display cable from the connector on the back of the panel Figure 3 161...

Страница 218: ...ION When servicing the computer ensure that cables are placed in their proper location to avoid pinching during the reassembly process Improper cable placement can cause severe damage to the unit To r...

Страница 219: ...2 Position the CTFT 10 4 inch panel into the display enclosure ensuring that the ZIF connector end of the display cable is exposed on the right side of the CTFT 10 4 inch panel Figure 3 163...

Страница 220: ...Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer CAUTION The computer becomes top heavy when the keyboard assembly is removed and the d...

Страница 221: ...ensure that the trough does not tilt forward into the CPU base when the bezel is removed 4 Remove the display cable from the system board by pulling up both ends of the ZIF connector slide simultaneou...

Страница 222: ...ng the CTFT Display Cable To replace the CTFT 10 4 inch display cable follow these steps 1 Connect the CTFT 10 4 inch display cable to the 10 4 inch panel Refer to Replacing the CTFT 10 4 inch Display...

Страница 223: ...4 inch Display Shield To remove the CTFT 10 4 inch display shield follow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the compute...

Страница 224: ...roper location to avoid pinching during the reassembly process Improper cable placement can cause severe damage to the unit 6 Remove the CTFT 10 4 inch panel from the display enclosure Refer to Removi...

Страница 225: ...ollow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Open the computer CAUTION To prevent damage to the trough ensure that the trough doe...

Страница 226: ...h panel from the display enclosure Refer to Removing the CTFT 10 4 inch Display Panel in this section 7 Remove the display cable Refer to Removing the CTFT 10 4 inch Display Cable in this section 8 Re...

Страница 227: ...splay enclosure Replacing the Display Enclosure To replace the display enclosure follow these steps 1 Disconnect all power from the computer and remove the AC Adapter and battery pack Section 3 2 2 Re...

Страница 228: ...lip located between the clutch and the CPU base NOTE The right clutch clip for Models 420 and 430 is different than for Models 400 and 410 and is illustrated in the circular insert Figure 3 170 6 Life...

Страница 229: ...8 Disconnect the display ground cable 1 from the LIF clip Figure 3 172...

Страница 230: ...bly while the keyboard assembly is removed from the system unit module use care when closing the display 9 Gently lower the display 10 Using a Torx T8 or slotted driver remove the four clutch screws f...

Страница 231: ...11 Lift the display assembly off the system unit module Figure 3 174...

Страница 232: ...tached cable can be damaged easily Handle only the connector slide when disconnecting the ZIF connector Never pull or twist the cable itself while it is seated in the ZIF connector 16 Remove the displ...

Страница 233: ...N 9 5 in panel and shield refer to Section 3 23 If removing a CTFT 8 4 in panel and shield refer to Section 3 24 If removing a CSTN 10 4 in panel and shield refer to Section 3 26 If removing a CTFT 10...

Страница 234: ...TFT 8 4 in panel and shield refer to Section 3 24 If removing a CSTN 10 4 in panel and shield refer to Section 3 26 If removing a CTFT 10 4 in panel and shield refer to Section 3 27 22 Connect the dis...

Страница 235: ...27 Align the clutches with the system unit module ensuring that the display ground cable and the display cable are positioned on top of the system unit module Figure 3 178...

Страница 236: ...28 Replace the four rear clutch screws Figure 3 179...

Страница 237: ...29 Open the display to a 90 degree angle Figure 3 180...

Страница 238: ...30 Connect the display ground cable 1 to the LIF clip above the serial port connector between the system board and the system chassis Figure 3 181...

Страница 239: ...tion and that it remains so while you are inserting the cable into it Before closing the slide ensure that the cable is fully seated to the white insertion line in the ZIF connector 32 While holding t...

Страница 240: ...evenly and that the white line on the cable is level 34 Replace the right clutch ground clip located between the clutch and the CPU base The right clutch clip for Models 420 and 430 is different and i...

Страница 241: ...ted between the system chassis and CPU base and for the clutches that join the system unit module and the display enclosure Removing and Replacing the Clutch Ground Clips To remove the left and right...

Страница 242: ...4 Remove the right clutch ground clip located between the clutch and the CPU base The right clutch clip for Models 420 and 430 is different and is illustrated in the insert Figure 3 185...

Страница 243: ...ry pack Section 3 2 2 Remove the handle brackets from each side of the computer Section 3 3 3 Remove the tilt feet from each side of the computer Section 3 4 CAUTION The computer becomes top heavy whe...

Страница 244: ...s section 6 Pull up both ends of the ZIF connector slide simultaneously 1 carefully opening the slide 2 Figure 3 186 7 Lift the display cable out of the connector slide 3 being careful not to pull or...

Страница 245: ...9 Using a Torx T8 or slotted driver remove the four clutch screws on the rear of the system unit module Figure 3 188...

Страница 246: ...10 Lift the display assembly off the system unit module Figure 3 189...

Страница 247: ...up 12 Remove the display bezel Section 3 21 13 Remove the screws from the clutches on either side of the display enclosure 14 On either side of the display enclosure slide the clutches from underneat...

Страница 248: ...play enclosure 16 To replace the clutches reverse the previous steps IMPORTANT When replacing the display clutch screws ensure proper alignment of the display clutches on either side of the display en...

Страница 249: ...removal procedures for the following docking base components o Battery Door o Feet o Handle Removing the Battery Door To remove the battery door follow these steps 1 Open the battery door until it is...

Страница 250: ...re to the door at the base of the front hinge 1 This creates a pivot point 2 to rotate the door out of the base Figure 3 193 3 Flex the front end of the door until the retaining pin 3 clears the hinge...

Страница 251: ...4 Remove the battery door from the docking base Figure 3 194...

Страница 252: ...the Docking Base Feet To replace the docking base feet follow these steps 1 Remove the top layer from the foot to expose the adhesive strip Figure 3 195 2 Place the foot adhesive side down into the c...

Страница 253: ...Replacing the Handle To replace the docking base handle follow these steps 1 Using a Torx T8 remove the screw from the rear of the handle Figure 3 196...

Страница 254: ...2 Slide the handle off the crankshaft Figure 3 197...

Страница 255: ...Monitor Support Cover This section contains replacement procedures for the foot on the monitor support cover To replace the foot follow these steps 1 Turn the monitor support cover top side down 2 Re...

Страница 256: ......

Страница 257: ...when an external device is connected to the computer the problem may be with the external device or its cable Verify this by running POST with and without the external device connected Chapter 4 1 Pre...

Страница 258: ...ssword reset the setup password and run Computer Setup to restore the configuration information If the password is unknown clear it by completing the following steps 1 Turn off the computer by simulta...

Страница 259: ...turned on POST detects which type of mass storage devices are installed in the computer and checks that the following assemblies are functioning properly o System board o Processor board o Memory exp...

Страница 260: ...hapter 4 3 Computer Checkup TEST After POST runs successfully run the latest version of Computer Checkup TEST Computer Checkup determines if the computer assemblies and options are recognized by the s...

Страница 261: ...file a log of errors Prompted Diagnostics This option allows maximum control over the device testing process You can choose attended or unattended testing decide to stop on errors or choose to print o...

Страница 262: ...s refer to Chapter 3 IMPORTANT Rerun Computer Checkup each time you complete a recommended action step If the problem is resolved when POST and Computer Checkup are rerun i e with no error codes do no...

Страница 263: ...ecksum placement 2 Verify the correct ROM 3 Replace the ROM 102 System None DMA timers 1 Replace the processor Board etc Unsupported board Failure processor 2 Replace the system board upgrade installe...

Страница 264: ...running PC card service and Computer Setup 5 Replace the memory PC card 6 Replace the system board 203 Memory None RAM failure See Message 201 above Address Error 205 Memory None Cache memory 1 Run Co...

Страница 265: ...iskette drive Controller controller cable is seated Error circuitry 2 Replace the diskette drive cable 3 Replace the diskette drive 4 Replace the system board 602 Diskette None Diskette in drive 1 Rep...

Страница 266: ...cur if the system recognizes a problem while running Computer Checkup These error codes help identify possible defective assemblies Tables 5 2 through 5 12 list Computer Checkup error codes a descript...

Страница 267: ...test failed Replace the system board 112 xx Speed test slow mode out Replace the system board of range 113 01 Protected mode test failed Replace the system board 114 01 Speaker test failed 1 Check sys...

Страница 268: ...If disconnected turn off the computer and connect the keyboard 2 Replace the keyboard 3 Replace the system board 303 xx Keyboard indicator 1 Replace the system board test 8042 self test 2 If an exter...

Страница 269: ...iled 605 xx Diskette ID media failed 606 xx Diskette speed test failed 607 xx Diskette wrap test failed 608 xx Diskette write protect test failed 609 xx Diskette reset controller test failed 610 xx Di...

Страница 270: ...9 xx error codes 1701 xx Hard drive format 1 Run Computer Setup and test failed verify drive type 2 Reset the hard drive 1702 xx Hard drive read test 3 Try another hard drive If failed first drive was...

Страница 271: ...through 2480 xx error codes 2403 xx Video attribute test Replace the system board failed 2404 xx Video character set test failed 2405 xx Video 80 x 25 mode 9 x 14 character cell test failed 2406 xx V...

Страница 272: ...ed 2431 xx 640 x 480 graphics test failure 2432 xx 320 x 200 graphics 256 color mode test failure 2448 xx Advanced Graphics Controller test failed 2451 xx 132 column Advanced Graphics test failed 2456...

Страница 273: ...all power sources before removing the keyboard assembly or the display bezel Before Replacing Parts When Troubleshooting When troubleshooting a problem check the following list for possible solutions...

Страница 274: ...Install a fully charged while left unattended Hibernation due battery pack or connect the Power indicator is to a low battery computer to an external off condition power source then turn on the comput...

Страница 275: ...h on then off this takes NOTE After verifying place in less than 3 that a part is not the seconds cause of the short circuit reinstall it before removing the next part In addition note that the first...

Страница 276: ...system board board Table 5 14 Solving Standby Problems Problem Probable Cause Solution s The power standby button Defective keyboard Replace the keyboard is pressed but the unit assembly assembly doe...

Страница 277: ...g the using it battery Defective battery Condition the battery Install another battery If this fixes the problem original battery is defective Replace the battery Battery pack is warm to Normal warmin...

Страница 278: ...ble 5 17 Solving Display Problems Problem Probable Cause Solution s Characters are dim From MS DOS Power From MS DOS Change Power Management settings Management settings to is set on high or medium cu...

Страница 279: ...insert a charged battery battery indicator is activate Hibernation pack Then press the flashing if this feature is standby button to exit not disabled Standby If another power source is not immediate...

Страница 280: ...r the connect the external not display computer was turned monitor on then turn on information on the computer simultaneously Press the Fn F4 keys to toggle through the three display possibilities The...

Страница 281: ...display 1 Reseat the display cable connections cable to the inverter board 2 Reseat the display cable to the system board Defective inverter Replace the inverter board board Defective display Replace...

Страница 282: ...e display If the number of pixels panel that are out is beyond Compaq specifications replace the display panel Defective system Replace system board board Press the Fn F9 keys to adjust the brightness...

Страница 283: ...iles to hard drive or sector another diskette Reformat bad diskette Drive error has Run Computer Checkup occurred Diskette is not Format the diskette formatted Table 5 19 Solving Hard Drive Problems P...

Страница 284: ...uter and properly reinsert the device Table 5 21 Solving Keyboard Numeric Keypad Problems Problem Probable Cause Solution s Embedded numeric Num Lock function is Press the Fn End Num Lock keypad on co...

Страница 285: ...rackball or mouse a trackball or mouse trackball or mouse need cleaning Defective trackball Replace trackball assembly assembly Table 5 23 Solving Memory Problems Problem Probable Cause Solution s Mem...

Страница 286: ...nu to enable the PC Card slot Card or card driver From Windows Select is not PC Card Security Management from compliant the Compaq Control Center to enable the PC Card slot Contact Compaq Reseller Sup...

Страница 287: ...Storage PC Card does SRAM and flash Select Computer Setup from not work memory cards require the Compaq Control Center the memory card then select the PC Card driver to be loaded option to enable the...

Страница 288: ...vers for the application are not installed to the CONFIG SYS file Printer that is set Connect the printer to the up for a network is network not connected to the network Printer cable is too Replace t...

Страница 289: ...ing the following enhanced mode command to run in enhanced mode WIN 3 Memory configuration Re configure the memory is not set up using MS DOS MEMMAKER correctly 1 Check the application System ran out...

Страница 290: ...apes diskettes are not exposed to electrical or magnetic fields while stored or in transit 2 Turn off the computer and external devices 3 Disconnect the external devices from their power sources then...

Страница 291: ...line Monochrome 9 5 inch Height 1 8 in 4 57 cm Width 11 9 in 30 20 cm Depth 8 9 in 22 70 cm Weight w o battery 5 6 lbs 2 53 kg Weight with battery 5 95 lbs 2 69 kg Color STN 9 5 inch Height 8 9 in 22...

Страница 292: ...weep 1 hour duration Table 6 2 Computers Models 420 and 430 English Metric Dimensions display size Color STN 10 4 inch Height 2 20 in 5 49 cm Width 11 90 in 30 29 cm Depth 8 90 in 22 83 cm Weight w o...

Страница 293: ...Table 6 3 Monochrome 9 5 inch Display Models 400 and 410 English Metric Dimensions display size Height 5 7 in 14 4 cm Width 7 6 in 19 2 cm Mounting Internal Gray Scales 16 shades Contrast Ratio 18 1...

Страница 294: ...CFT Edgelit at Top Character Display 80 x 25 Total Power Consumption 4 W Frequency Horizontal 31 2 kHz CRT mode 32 kHz LCD mode Vertical 60 Hz VGA 70 Hz CGA Display Inverter Board Input Voltage 5 Vdc...

Страница 295: ...able 6 6 Color STN 10 4 inch Display Models 420 and 430 English Metric Dimensions Display Size Height 6 33 in 16 08 cm Width 8 43 in 21 41 cm Mounting Internal Number of Colors 256 Colors in 640 x 480...

Страница 296: ...CD MU2 Pixel Size 640 x 480 Pitch 0 33 mm Format RGB Stripe Configuration Stripe Backlight CCFT Edge light Character Display 80 x 25 Total Power Consumption 4 Watts Max Frequency Horizontal 31 2 kHz C...

Страница 297: ...onal Speed 4500 rpm 4500 rpm 4000 rpm Physical Configuration Cylinders 1704 1704 3477 Data Heads 4 4 2 Sectors Track 54 to 92 54 to 92 80 to 120 Bytes Sector 512 512 512 Logical Configuration Cylinder...

Страница 298: ...s 4 3 4 Sectors Track 60 to 107 80 to 120 80 to 120 Bytes Sector 512 512 512 Logical Configuration Cylinders 816 1050 1400 Data Heads 16 16 16 Sectors Track 63 63 63 Bytes Sector 512 512 512 Buffer Si...

Страница 299: ...city 2 4 Ah Standard Recharge Rate 15 W Max 7 W Min Battery Life 4 to 6 h Environmental Requirements Temperature Operating 50oF to 104oF 10oC to 40oC Storage No time limit 4oF to 86oF 20oC to 30oC No...

Страница 300: ...Cover Support Cover Dimensions Height 2 75 in 7 cm 3 875 in 10 cm Width 15 75 in 30 cm 17 5 in 34 cm Depth 11 75 in 40 cm 13 5 in 44 cm Weight 59 13 oz 1 7 kg 130 86 oz 3 7 kg Power Supply Input Volta...

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