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Panasonic CF-74JCJBD1 M 9.1.15. Removing the USB PCB, 9.1.16. Removing the Display unit, 9.1.18. Removing the LCD and the Inverter, 9.1.17. Removing the LCD Front Cabinet

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9-6

9.1.15. Removing the USB PCB

1. Disconnect the Cable from the Connector (CN1701).

2. Remove the two Screws <N9>.

3. Remove the USB PCB.

Screws <N9>: DFHE5025XA

9.1.16. Removing the Display unit

1. Remove the four Screws <N6> from the computer bottom

side.

2. Remove the two Screws <N6> from the computer upper

side.

3. Remove the Display Unit.

4. Remove the Hinge Screw Cover L and R.

5. Remove the Gasket.

Screws. <N6>: DXSB3+6FNL

9.1.17. Removing the LCD Front Cabinet

1. Remove the two LCD Leg Rubbers, and then the two

Screws <N20>.

2. Remove the two Screws <N15>.

3. Release the 23 Hooks joining the LCD Front and Rea

r

Cabinet on the LCD Front Cabinet outward. (See the Fig-

ure),

4. Remove the LCD Front Cabinet.

Screws <N15>: DRHM0075ZA

Screws <N20>: DXQT2+G4FCL

9.1.18. Removing the LCD and the Inverter

<N9>

USB PCB

CN1701

<N6>

<N6>

<N6>

<N6>

Display Unit

Gasket

Hinge

Screw

Cover L

Hinge

Screw

Cover R

<N20>

<N15>

<N15>

LCD Leg

Rubber

LCD Front

Cabinet

LCD Unit

LCD Leg Rubber

LCD/INV. Cable

Inverter

Inverter Case

LCD Unit

<N18>

<N18>

LCD Rear Cabinet

W-LAN PCB L

W-LAN PCB R

Contents

Main CF-74JCJBDxM For U.K. WARNING This apparatus must be earthed for your safety. How to replace the fuse Open the fuse compartment with a screw- driver and replace the fuse. LASER SAFETY INFORMATION For U.S.A LITHIUMBATTERIES LITHIUM BATTERY PILE AU LITHIUM SAFETY PRECAUTIONS Important Safety Instructions LITHIUM BATTERY Getting StartedUseful InformationTroubleshootingAppendix Precautions (Battery Pack) CONTENTS 1. Specifications 1-1 Refer to page 31 of Instruction Manual. Writing Reading 1-3 Enter Wireless LAN Bluetooth 2. Names and Functions of Parts 2-2 EX PC 3 Block Diagram LPC Bus DMI x2 1Gbytes/sec x2 Page 4-2 5 Power-On Self Test (Boot Check) Outline of POST 5-1 Error Diagnosis by Checking Beep Signal Sound 6 List of Error Codes <Only when the port replicator is connected> 6-1 6-2 7 Self Diagnosis Test 1 7-1 . Beginning of self-diagnosis test 1-1. Setting of content of setup 2. Operation of PC-Diagnostic Utility 7-2 Page Page 8 Wiring Connection Diagram I O PCB DC-IN PCB SD PCB 8-1 9 Disassembly/Reassembly 9.1. Disassembly Instructions 9.1.1. Preparation 9.1.2. Removing the Battery Pack, the HDD Unit and the DVD-ROM Drive Unit 9.1.3. Removing the HDD 9.1.4. Removing the DIMM Memory Card 9.1.5. Removing the Keyboard 9.1.6. Removing the Speaker and the LED PCB 9-3 9.1.7. Removing the Handle Ass'y 9.1.8. Removing the Bottom Case 9-4 9.1.9. Removing the Wireless Module and MDC Module 9.1.10. Removing the Main PCB 9.1.11. Removing the PC Card Ejector and Lithium Battery 9-5 9.1.12. Removing the DC-IN PCB and I/O PCB 9.1.13. Removing the FAN Motor and SD PCB 9.1.14. Removing the BT PCB 9-6 9.1.15. Removing the USB PCB 9.1.16. Removing the Display unit 9.1.18. Removing the LCD and the Inverter 9.1.17. Removing the LCD Front Cabinet 9-7 9.1.19. Removing the Touch PAD and PAD PCB 9.1.20. Removing the Finger PCB 9-8 9.2. Reassembly Instructions 9.2.1. Attention when CF-74 series is repaired 9.2.2. Setting the Finger PCB 9.2.3. Setting the LCD Unit and the Inverter 9-9 0~1mm LCD Damper C LCD Unit 9-10 S1 9-11 S5 S1 Arranging the TP Power Cable and Attaching the TP/LCD Sheet S2 9-12 9-13 9.2.4. Setting the LCD Front Cabinet 9.2.5. Setting the Display unit 9-14 9.2.6. Setting the USB PCB S2 9-15 9.2.7. Setting the BT PCB. 9.2.8. Setting the SD PCB, Heat Sink and FAN Mo tor 9-16 9-17 9.2.9. Setting the DC-IN PCB and I/O PCB 9-18 9.2.10. Setting the PC Card Ejector and Lithium Battery 9.2.11. Setting the Main PCB S2 9-19 Safety Working FAN Cable Connector (CN28) 9.2.12. Setting the Wireless Module and MDC Module S2 <Preparation for assembly of the MDC Module> Arranging the Modem Cable S1 9.2.13. Setting the Bottom Case 9.2.14. Setting the Handle Ass'y 9-22 9.2.15. Setting the Speaker and the LED PCB S3 9-23 9.2.16. Setting the Keyboard S2 9-24 9.2.17. Setting the DIMM Memory Card and DIMM Cover 9.2.18. Setting the HDD Page 10 Exploded View Screw tightening torque Screw tightening torque a a Page Page Page Page Replacement Parts List CF-74JCJBDAM PART NO. DESCRIPTION Q'TY MAIN PCB Page Page Page Page Page Page Page Page Page IO PCB LED PCB USB PCB DC-IN PCB TOUCH SCREEN PCB SD PCB PAD/SWITCH PCB BLUETOOTH PCB