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Panasonic Cf 52 Service Manual

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    							3. Test Item and Division of trouble
    7-4
    CPU /
    SYSTEM
    Place with possibili-ty of breakdownStanardTest itemEnhan-cingContent of standard testContent of enhancing test
    CPU /
    Main board
    CPU is shifted to protected mode, and
    Violation of the paging, Operation of
    the violation of a privileged instruction,
    and DMA, INT,
     TIMER, and the
    RT
    C operation are confirmed.
    All memory space is tested in a special
    memory access pattern based on
    R.S.T 
    . technology.
    RAM Memory / 
    Mainboard
    HDD /
    Mainboard /
    Cable /
    Connector
    HDD 
    The record area frequently accessed
    with Microsoft Windows XP to test in
    about two minutes regardless of
    points of HDD is emphatically tested.All record area is tested.
    MODEM/ 
    MainboardMODEM It is confirmed not to find abnormality
    in the A
    C97 modem controller.
    Wireless LAN
    board /
    Connector /
    MainboardWireless
    LANIt is confirmed not to find abnormality
    in the Wireless LAN modem controller.
    Sound *5
    It is confirmed not to find ab-
    normalityin the wiring between
    the USB controller and the 
    connector by confirming
    the connection of the USB
    equipment connected with the
    USB connector.
    It is confirmed not to find abnormality
    in the USB controller.
    USB 
    Mainboard /
    Connector*1
    It is confirmed not to find ab-
    normalityin the wiring between
    the controller and the
    connector by connecting to
    HUB with LAN cable.
    LAN It is confirmed not to find abnormality
    in the LAN controller.
    Mainboard /
    Connector
    *2
    PC CardIt is confirmed not to find abnormality
    in the CardBus controller.Mainboard
    MainboardSD It is confirmed not to find abnormality
    in the SD controller.
    It is confirmed not to find abnormality
    in keyboard controllers keyboard inte-
    rface.The key is actually input, and
    the operation is displayed on
    the screen.
    Keyboard Mainboard /
    Keyboard*3
    *4
    *6
    Touch Pad 
    The operation is actually dis-
    played on the screen by ope-
    rating the touch pad.Whether keyboard controllers mouse
    interface operates normally is confir-
    med.Mainboard /
    Touch Pad
    DVD-ROM The drive is normally reset, and it is
    accessible is confirmed.
    Mainboard /
    DVD Drive /
    DVD Cable /
    DVD ConnectorIt is confirmed to be able to
    read media normally. 
    						
    							Test ItemStandard EnhancedC\fntent \ff Standard Test\n C\fntent \ff Extend TestThe place with p\fssibility \n\ffbreakd\fwn
    T\fuch Screen It is c\fnfirmed n\ft t\f find
    abn\frmality in the USB
    c\fnnecti\fn \ff T\fuch Screen.
    This test cann\ft find
    abn\frmality \ff T\fuch Screen.
    \berf\frm T\fuch Screen
    functi\fnality practically.
    Operat\fr has t\f judge
    \bASS/FAIL with test result.\nMain b\fard/
    T\fuch Screen
    Bluet\f\fth It is c\fnfirmed n\ft t\f find
    abn\frmality in the c\fnnecti\fn
    \ff Main b\fard and Bluet\f\f\nth
    m\fdule. Bluet\f\fth cable
    Wireless WAN It is c\fnfirmed n\ft t\f find
    abn\frmality in the c\fnnecti\fn
    \ff Main b\fard and Wireles\ns
    WAN m\fdule. WWAN cable
    Fl\fppy It is c\fnfirmed n\ft t\f find
    abn\frmality in the legacy F\nD
    drive.
    This test cann\ft find
    abn\frmality \ff mechanical
    breakd\fwn. (e.g.. Head, M\ft\n\fr)
    FD Drive/
    Main b\fard (Super I/O)/
    FDD cable
    FDD c\fnnect\fr
    Vide\f It is c\fnfirmed n\ft t\f find
    abn\frmality in access t\f
    VRAM with VESA.
    The \bC which uses main
    mem\fry as VRAM may fail \nwith
    main mem\fry failure. Main b\fard
    (Chipset, Graphic
    C\fntr\fller)/
    Mem\fry
    G\bS It is c\fnfirmed n\ft t\f find
    abn\frmality in the c\fnnecti\fn
    \ff Main b\fard and G\bS G\bS cable
    IEEE1394 It is c\fnfirmed n\ft t\f find
    abn\frmality in the IEEE1394
    c\fntr\fller. Main b\fard
    (IEEE#394 C\fntr\fller)
    Express Card It is c\fnfirmed n\ft t\f find
    abn\frmality in the wiring
    between Chipset and Expres\ns
    Card.Main b\fard (Chipset)/
    Express Card C\fnnect\fr
    Smart Card It is c\fnfirmed n\ft t\f find
    abn\frmality in the Smart C\nard
    c\fntr\fller. Main b\fard
    (Smart Card C\fntr\fller)
    Serial \b\frt *7It is c\fnfirmed n\ft t\f find
    abn\frmality \ff Super I/O
    UART functi\fn.
    This test cann\ft find lac\nk \ff
    wiring between Super I/O and
    Serial C\fnnect\fr. It is c\fnfirmed n\ft t\f find
    abn\frmality in the wiring
    between Super I/O and Serial\n
    C\fnnect\fr.
    This test cann\ft find fail\nure \ff
    cable characteristic and de\nvice
    pr\fblems.
    Main b\fard (Super I/O)/
    Serial C\fnnect\fr
    \barallel \b\frt *8 It is c\fnfirmed n\ft t\f find
    abn\frmality \ff Super I/O
    parallel functi\fn.
    This test cann\ft find lac\nk \ff
    wiring between Super I/O and
    \barallel C\fnnect\fr.It is c\fnfirmed n\ft t\f find
    abn\frmality in the wiring
    between Super I/O and
    \barallel C\fnnect\fr.
    This test cann\ft find fail\nure \ff
    cable characteristic and de\nvice
    pr\fblems.
    Main b\fard (Super I/O)/
    \barallel C\fnnect\fr
    *8    \blease set a Specia\nl L\f\fp Back C\fnnect\fr T\f\fl\n at parallel c\fnnect\fr f\f\nr Enhanced Test.
            (This C\fnnect\fr \nT\f\fls is same as the \f\nne used bef\fre.) *7    \blease set a Specia\nl L\f\fp Back C\fnnect\fr T\f\fl\n at serial c\fnnect\fr f\fr E\nnhanced Test.
            (This C\fnnect\fr \nT\f\fl is same as the \fne\n used bef\fre.)
    *1 \blease c\fnnect the USB device \nwith the p\frt (USB c\fnnect\fr) whi\nch wants t\f test bef\fre th\ne tests.
    \blease c\fnnect LAN p\frt wit\nh LAN HUB with LAN cable bef\fr\ne the tests.
    The \fperat\fr actually inp\nuts the key, and the \fperat\fr judges\n \bASS/FAIL \ff the test. 
    The \fperat\fr actually \fp\nerates the m\fuse, and t\nhe \fperat\fr judges \bASS/FAIL \ff the test. 
    It is n\ft abn\frmal th\fugh \nthe s\fund is emitted fr\fm\n the speaker while testing.\n 
     \blease set DVD/CD med\nia in the drive bef\fre the te\nsts. 
    *2
    *3
    *4
    When the test result is \n\bASS, tr\fuble is th\fught by n\ft\n hearing \ff the s\fund under\n the test fr\fm 
    the speaker and the headp\nh\fne by the wiring \ff the audi\f\n \futput system.
    *5
    *6
    7-5 
    						
    							8  Wiring Connection Diagram
    8-1
    CN4300
    CN22
    CN9000
    CN6503
    CN27
    CN4400
    JK3004
    JK3003
    Microphone
    Headphone
    SERIAL PCB SW LED MDC PCB
    MAIN PCB BT PCB
    SD PCB
    SD
    CN3401
    SC RELAY PCB
    BIOS PCB TOUCH PAD PCB
    PWR BATT  
    LED PCB
    AUDIO PCB
    WWAN PCB
    CN23
    CN4100CN4101
    CN4000
    CN4200CN4203
    CN4202
    SPEAKER (R)
    SPEAKER (L)
    Connector by Cable
    Direct connection by Connectors
    Parts on Bottom Side
    CN34
    CN7002
    LITHIUM
    BATTERYCN4
    CN33DVD DRIVE
    CN18
    FA N
    CN36MODEM
    CN4001
    SERIAL PORT
    CN4201
    CN28
    EXTERNAL
    DISPLAY
    CN5
    CN35
    CN30 CN29
    USB
    USB
    LCD
    INVERTER
    JK1000DC-IN
    CN16USB
    CN15USB
    CN9IEEE1394
    CN19
    CN7
    CN5000
    CN10
    EX/PC CARD
    EJECTOR
    KBD FPC
    KEYBOARD
    DIMM MEMORY CARD
    CN2
    CN3
    CN31
    EXPANTION
    BUS
    HDD
    CN21
    CN1000
    BATT FPC
    CN13
    WIRELESS
    LAN MODULE
    JK7002 JK7004
    CN14
    PA D
    CN25
    JK7001JK7003
    ANTENNA
    PWB R
    ANTENNA
    PWB L
    CN3000 
    						
    							9-1
    9 Disassembly/Reassembly
    Note:Power off the computer. Do not shut down to the Suspend or hibernation mode.
    Do not add peripherals while the computer is in the Su spend or hibernation mode; abnormal operation may result.
    9.1. Disassembly Instructions
    9.1.1. Disassembly Flowchart
    The chart below shows the various parts which should be removed in order to remove the parts that are to be replaced.
    Parts can be replaced efficiently be following the disassembly steps in the chart.
    9.1.3.1. Battery Pack9.1.3.2. HDD Mounting Kit9.1.3.3. DVD Multi Drive
    9.1.4. HDD
    9.1.5. Tilt Panel Assy9.1.6. DIMM Memory Card9.1.7. ROBSON Cover, Wireless
    LAN Module and BIOS PCB
    9.1.8. Display Unit9.1.9. LCD Unit, Inverter Assy, and ANTENNA PWB L, R9.1.10. Handle Assy
    9.1.12. SW LED MDC PCB, Speaker L and R9.1.13. Keyboard
    9.1.14. Top Cover
    9.1.15. Pad and TOUCH  PAD PCB9.1.16. SD PCB9.1.17. WWAN PCB
    9.1.18. AUDIO PCB9.1.19. PWR BATTERYLED PCB9.1.20. KBD Earth Plate
    9.1.21. Hinge Support R9.1.22. Fan Assy
    9.1.23. Hinge support Land MP Hold Plate9.1.24. Battery Connector  Assy9.1.25. SC RELAY PCBand HDD Hold Plate9.1.26. Heat Sink Assy
    9.1.27. SERIAL PCB9.1.28. MAIN HIGH PCB
    Ý
    Ý
    Ý
    Ý
    Ý
    9.1.11. Modem
    Ý
    Ý Ý Ý
    ÝÝÝ
    Ý
    Ý
    Ý
    ÝÝ
    Ý
    Ý
    Ý Ý
    Ý 
    						
    							9-2
    9.1.2. Preparation
    Before disassembling, be sure to make the following prepara-
    tions.• Shut down Windows and turn off the power.
    • Disconnect the AC adaptor.
    • Remove the optional DIMM memory card and PCMCIA card if they are connected.
    • Remove other devices if they are connected.
    Attention: • Please execute writing BIOS ID when you exchange the
    Main Board.
    • You cannot reuse the Conductive  Clothes and the heat dissi-
    pating parts such as Sheet and Rubber. Use new parts.
    9.1.3. Removing the Battery Pack, HDD Mounting Kit and DVD Multi Drive
    9.1.3.1. Battery Pack
    1. Remove the Cover Battery.
    2. Pull out the Battery Pack with sliding the Battery Latch Knob.
    9.1.3.2. HDD Mounting Kit
    1. Pull out the HDD Mounting Kit with sliding the Lock Knob
    (HDD).
    9.1.3.3. DVD Multi Drive
    1. Pull out the DVD Multi Drive with pushing the MP Latch.
    9.1.4. Removing the HDD
    1. Remove the six Hooks, and remove the HDD Case Upper, HDD case and HDD Insulation Sheet.
    2. Remove the HDD from the HDD Dumper.
    3. Disconnect the HDD FPC Ass’y from the HDD.
    Cover
    battery
    Battery
    pack
    MP latch
    DVD multi drive
    HDD mounting
    kit
    Battery latch knob
    Lock knob (HDD)
    HDD FPC
    assy
    HDD case upper
    Hook
    Hook
    HDD Hook
    HDD insulation
    sheet
    HDD case
    HDD damper 
    						
    							9-3
    9.1.5. Removing the Tilt Panl Ass’y
    1. Turn the Cover down and pull the Tilt Panel in the direc-tion of arrows.
    2. Remove the five Screws , and remove the Tilt Panel Ass’y.
    Screws  : DRSB2+4FKLT
    9.1.6. Removing the DIMM Memory Card
    1. Remove the Screw , and remove the DIMM Cover.
    2. Open the right and left Hooks of the DIMM Memory Card outward, and remove the DIMM Memory Card.
    Screws : DRSB2+3FKLT
    9.1.7. Removing the ROBSON Cover, Wireless LAN  Module and BIOS
    PCB
    1. Remove the Screw , and remove the ROBSON
    Cover.
    Cover
    Tilt panel Tilt panel
    Tilt panel assy
    
    
     DIMM cover
    DIMM memory card
    Hook DIMM memory connector
    
    
    Wireless
    LAN module Cables
    (Gray and blue)
    ROBSON cover
    
    BIOS PCB 
    						
    							9-4
    9.1.7.1. Wireless LAN Module
    1. Remove the two Screws  and two Cables(Gray andBlue).
    2. Pull out the Wireless LAN Module in the direction of
    arrows.
    9.1.7.2. BIOS PCB
    1. Remove the two Screws , and remove the BIOSPCB.
    Screws  : DFHE5122YA
    Screws  : DRHM0065ZA
    9.1.8. Removing the Display unit
    1. Remove the six Screws , and turn over the SW LED MDC PCB.
    2. Disconnect the two Cables from the Connectors (CN5 and CN35).
    3. Remove the Speaker Holder L and four Cables (black, white, blue and grey).
    Remove the  two Screws , and BIOS HIGH PCB.
    4. Remove the four Screws , and remove the Display unit.
    Screws  : DFHE5122YA
    Screws  : DRHM0093ZA
    SW LED MDC PCB 
    
    
    Cables
    CN5 CN35
     Cable (black)
    Cable (white) BIOS HIGH PCB Speaker holder
    
    Display unit
     
    						
    							9-5
    9.1.9. Removing the LCD unit, InverterAss’y and ANTENNA PWB L,R
    1. Remove the two LCD Rubbers and five LCD Sheets.
    2. Remove the five Screws  and two Screws .
    3. Release the twenty-one Hooks fixing the LCD Front to the
    LCD unit, remove the LCD Front.
    4. Remove the Screw  and Tape, and remove the LCD unit.
    5. Disconnect the two Cables, and remove the Inverter Ass’y.
    6. Remove the eleven Tapes and two Screws , and remove the ANTENNA PWB L, R.
    Screws  : DFHE5122YA
    Screws  : DRHM0093ZA
    Screws  : DXSB2+4FNLT
    Screws  : XQN17+BJ6FJ
    9.1.10. Removing the Handle Assy
    1. Remove the two Handle Sheets and two Screws , remove the Handle Ass’y.
    2. Remove the two Screws , and disassemble the Handle Ass’y (Grip Upper, Grip Lower, Handle Base L,
    Handle Base R, Handle Ring and Handle Pom) .
    Screws : DRSB3+8FKLT
    Screws : DRYN4+J12KLT
     
     LCD
    rubber
    LCD
    rubber
    LCD screw
    sheet
    LCD screw
    sheet
    LCD screw
    sheet
    
    
    
    Hooks
    Hooks
    Hooks
    Hooks Hooks
    LCD front
    Hooks
    
    Cable Inverter
    assy Cable
    Tape
    
    LCD rear cover
    ANTENNA
    PWB R
    LCD unit
    ANTENNA
    PWB L
    Grip upper Handle
    ring Handle
    ring
    Handle
    pom
    Handle
    pom
    Handle
    ring
    Grip
    lower
    Handle
    base L
    
     
    Handle
    base R
    Handle
    ring Handle
    sheet
    Handle
    sheet 
    						
    							9-6
    9.1.11. Removing the Modem
    1. Disconnect the Cable from the Connecor(CN4200).
    2. Remove the two Screws , and remove the Modem.
    3. Remove the Tape1, Conductive tape-modem and Tape2,disconnect the Cable from Modem
    Screws  : DFHE5122YA
    9.1.12. Removing th e SW LED MDC PCB
    and Speakers
    9.1.12.1. SW LED MDC PCB
    1. Disconnect the Cables from the Connectors(CN4202 and CN4203), and remove SW LED MDC PCB.
    9.1.12.2. Speaker R
    1. Remove the Speaker Holder R, and remove the Speaker
    R
    9.1.12.3. Speaker L
    1. Remove the Tape, and remove the Speaker L.
    9.1.13. Removing the Keyboard
    1. Remove the two Tapes.
    2. Lift the upper part of the Keyboard and draw it backward,and then turn the Keyboard over forward.
    Note: Take extreme care when peeling off the tape as it is
    strongly sticked.
    3. Remove the four Screws , and remove the Key- board Lid Plate.
    4. Disconnect the two FPC from the two Connectors (KBD FPC). 
    5. Remove the Keyboard.
    Screws  : DFHE5122YA
    
    Modem
    CN4200
    SW LED MDC PCB Cable
    Tape 2
    Tape 1
    Conductive
    tape-modem Cable
    Cable
    Cable
    CN4202
    CN4203 Speaker holder R
    Speaker
    R
    Speaker
    L
    Tape
    Keyboard
    Tape
    Tape
    KBD FPC Connectors
    Key board lid plate
    
    
    
    FPC 
    						
    							9-7
    9.1.14. Removing the Top Cover
    1. Remove the Gasket.
    2. Remove the Screws , ,  and ten Screws 
    3. Turn the unit to the face, remove the Screw  and five Screws .
    4. Remove the WP Sheet and Tape, and remove the Screw .
    5. Remove the two Screw Sheets. Remove the two Screws , and remove the Cover
    BT.
    Remove the Screw  and disconnect the Cable from
    the BT UNIT PCB, and remove it.
    6. Disconnect the FFC and KBD FPC from the Connec- tors(CN23 and CN22), and lift up the Top Cover Ass’y and
    remove it.
    Screws  : DFHE5122YA
    Screw  : DRHM0093ZA
    Screws  : DRHM5054XAT 
    Screws  : DRHM5104ZAT Screws  : DXSB2+4FNLT
    Screws  : XTB26+10GJKT
    9.1.15. Removing the 
    Pad and TOUCH PAD
    PCB
    1. Remove the six Screws .
    2. Remove the Top Relay Plate and Pad Holder.
    3. Remove the Pad and TOUCH PAD PCB.
    Screws  : DXSB2+4FNLT
    9.1.16. Removing the SD PCB
    1. Remove the two Screws .
    2. Disconnect the FFC from the Connector(CN4300), and remove the SD PCB.
    Screws  : DXSB2+4FNLT
    
     
    
    
    Gasket
    
    
    
    
    
    Screw
    sheet
    Cover
    BT
    BT UNIT
    PCB
    CN22 KBD FPC
    CN23
    FFC 
    WP sheet
    Tape 
    
    
    
    Top cover assy 
    
    Top relay plate
    Pad holder
    TOUCH PAD
    PCB
    Pad 
    
    
    SD PCB
    FFC 
    CN4300 
    						
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