Matsushita CF-W4GWCZZ service manual Handling

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Handling

This computer has been designed so as to minimize shock to the LCD and hard disk drive, etc.,

but no warranty is provided against such trouble. Therefore, as a precision instrument, be extremely careful in the handling.

Do not carry the computer while the display is open, or carry it by gripping the display or the

A cabinet around the display (see figure A). When closing the display, ensure that the latch is positioned correctly in the slot .

Do not carry your computer when the power is on.

Do not drop or hit your computer against solid objects.

Remove all external devices, cables, PC Cards sticking out of the computer (see figure B),

SD memory cards, and MultiMedia Cards before transporting the computer.

We recommend preparing a fully charged battery pack.

When transporting a spare battery pack inside a package, briefcase, etc., it is recommended

B that it be placed in a plastic bag so that its contacts are protected.

Always carry your computer with you. Never check it in with luggage. For use of the com- puter inside an aircraft, we recommend asking the airlines regarding their policy on this issue. It is a good idea to make backup copies on disks and carry them with you.

Maintenance

Touch Pad

Display

Avoid using water when cleaning the panel. Ingredients included in water may leave scratches and reduce readability of the screen.

<When cleaning dust/dirt>

Avoid rubbing off dust/dirt with cloth since it may leave scratch on the screen.

Sweep dust/dirt with fine brush, then wipe it with a dry soft cloth used for cleaning glasses. <When cleaning oily surface>

Apply camera lens cleaner on a soft gauze and clean it with gentle force. Then, wipe with a dry soft cloth used for cleaning glasses.

Areas excluding the display

Wipe these areas with a soft cloth, after applying water or detergent diluted with water to the soft cloth and firmly wringing out excess water.

CAUTION

Do not use benzene, thinner, or rubbing alcohol. Doing so may adversely affect the surface, e.g., discoloration. In addition, do not use commercially-available household cleaners and cosmetics, as they may contain components harmful to the surface.

Do not directly add or spray water or detergent. If liquid enters the inside of the computer, it may cause it to work improperly or be damaged.

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Contents CF-W4 Page Page Laser Safety Information Page Page Page Handling Connection Diagram Disassembly instructions Disassembly Flow ChartRemove the Keyboard DisassemblyPreparation Remove the HDD Remove the Top CaseHDD HDD FFCRemove the SW Board FFC PAD FFC SWPAD FFC Remove the Disc CoverRemove the Touch Pad Remove the LCD Knob Remove the SpeakerRemove the Solenoid Remove the Main BoardCN3 Remove the Wireless LAN Module Remove the Drive UnitRemove the Antenna BoardL,R Remove the USB BoardModem Remove the ModemRemove the Card Bus Ejector Remove the LCD Unit and the LCD Rear Remove the LCD UnitRemove the Hinge Cover Remove the Inverter Board Reassembly instructions Assembly knowhow of part LCDLCD Cable Inverter part Page Assembly of Brake Lever Brake Lever completion chartSpeaker installation and Line processing Solenoid Wire Rod processingSwitch Board assembly specification Assembly of Antenna Board Part Speaker installation Processing of Speaker CableLAN Modem Cable, Rib and LAN Cable processingPET Wire Rod processing of Lithium Battery USB Cable processingAffixation of HDD Gasket Assembly of Disk Cover Assembly of Disk CoverAssembly of Touch Pad Screw tightening procedure of each unitScrew E Screw B Screw C Screw D Screw H Screw F Specification of affixation of PET tape to Heat Spreader Exploded View Display SectionCabinet Section Bottom Section JK2Replacement Parts List PAD Cover Ring DFMD4057ZA KB Hook F999 DXQT2+E6FNL Screw Replacement Parts List EEFCD0D151ERPage Page Page Page Page EEFUD0D331ER EEFSX0D271EREEFCD0D101ER EEFUD0E221ERPage ECJ2FF1A106Z ERJ2GEJ103X RESISTOR, 1/16W, 10KΩConnector EEFUD0J101EREEFUD0G151ER ThermistorDiode DEDRB081L20 Diode FUSE, 2AIC, CPU IC, Chip SETIC, USB Power Control IC, FET SwitchIC, Logic IC, Cardbus ControlInductor DDB5Z024E-L Inductor DDB5Z024C-L DDB5Z021C-YDDB5Z028C-L Inductor DDAZS100MT3T InductorB1GFCFEN0003 Transistor DETA144EETL Transistor ERJ2GEJ681X ERJ2RKF27R4XERJ2GEJ151X ERJ2RKF54R9XERJ2RKF2001X RESISTOR, 1/16W, 2KΩ ERJ2GEJ562X ERJ2GEJ750XERJ2RKF2210X ERJ2RKF1000XERJ2RKF80R6X RESISTOR, 1/16W ERJ2GEJ103X RESISTOR, 1/16WERJ2GEJ222X ERJ2GEJ101X ERJ2RKF1002X RESISTOR, 1/16W, 10KΩ ERJ2RKF75R0XResistor Array ERJ2RKF1501X ERJ2GEJ390XERJ3GEYJ2R2V ERJ2GEJ220XERJ2GEJ102X RESISTOR, 1/16W, 1KΩ ERJ2RKF49R9X ERJ2GEJ120XERJ2GEJ330X ERJ2RKF4750XERJ2RKF22R6X ERJ2GEJ203X RESISTOR, 1/16W, 20KΩERJ2GEJ106X RESISTOR, 1/16W, 10MΩ ERJ2GEJ105X RESISTOR, 1/16W, 1MΩERJ3GEYJ121V DEARA8AJ103M Resistor ArrayERJ2GEJ473X RESISTOR, 1/16W, 47KΩ FilterERJ2GEJ334X EXBV8V750JV Resistor ArrayERJ2GEJ333X RESISTOR, 1/16W, 33KΩ ERJ2GEJ363X RESISTOR, 1/16W, 36KΩERA3YKB104V ERA3YEB203V RESISTOR, 1/16W, 20KΩERA3YEB103V RESISTOR, 1/16W, 10KΩ ERA3YEB303V RESISTOR, 1/16W, 30KΩERA3YEB333V RESISTOR, 1/16W, 33KΩ ERJ2RHD132XERJ2RKF1102X RESISTOR, 1/16W, 11KΩ ERJ2RKF1302X RESISTOR, 1/16W, 13KΩSW 952 SW K0D113B00081 K0L1BA000115