Matsushita CF-18JHU70TW service manual

ORDER NO. CPD0604058C0

Notebook Computer

CF-18

Model No. CF-18JHU70TW

This is the Service Manual for

the following areas.

W …for Japan

Unauthorized copying and distribution is a violation of law.

Contents

Main Notebook Computer Model No. CF-18JHU70TW Page LASER SAFETY INFORMATION Page Page CONTENTS Page 2 Power-On Self Test (Boot Check) Outline of POST 2-1 Error Diagnosis by Checking Beep Signal Sound 3 List of Error Codes <Only when the port replicator is connected> 3-1 3-2 4 Diagnostic Test Diagnostic Test Procedure 4.1. Equipment 4-1 4.2. Preparation Insert the diagnostics floppy disk 5 Self Diagnosis Test 5.1. Outline of Self Diagnostic Tests 5.1.1 List of main test items 5.2. Automatic Test 5-2 5.3. Peripheral Test 3. LAN Test 4. Modem Test 5. Wireless LAN Test 5-3 5 .4. Test Selection 5-4 Input screen startup End of test 5-5 Example: "ALT" + "F" brings up the File menu. Order of test flow selection 5.5 . Error Messages and Troubleshooting 5-6 6 Wiring Connection Diagram 6-1 7. Disassembly/Reassembly 7.1. Removing the Battery Pack and HDD Pack 7.2. Removing the Touch Pad and Keyboard 7.3. Removing the Speaker 7.4. Removing the Rear Cabinet 7.5. Removing the DU Lid Unit 7.6. Removing the Audio PCB 7.7. Removing the Wireless Module, Port PCB and Modem PCB 7.8. Removing Main PCB 7.9. Removing PAD PCB and I/O PCB 7.10. Removing LED PCB and Switch PCB 7.11. Removing the CPU Heat Plate and Lithium Battery 7.12. Removing the Display unit 7.13. Removing Antenna Cover, Tablet Latch Cover and LCD Rear Case 7.14. Removing the LCD Hinge 7.15. Removing Inverter PCB 7.16. Removing GPRS Antenna PCB, LAN1-BT PCB, LAN2-BT PCB and Pen Holder 7.17. Removing Each Cover 8 Exploded View Screw tightening torque Screw tightening torque A B C E Screw tightening torque 0.2 _ 0.02N m (2.0 _ 0.2kgf cm) A+ + Screw tightening torque 0.2 _ 0.02N m (2.0 _ 0.2kgf cm) 0.12 _ 0.01N m (1.2 _ 0.1kgf cm) A D Screw tightening torque 0.2 _ 0.02N m (2.0 _ 0.2kgf cm) 0.8 _ 0.08N m (8.0 _ 0.8kgf cm) B D Screw tightening torque 0.18 _ 0.02N m (1.8 _ 0.2kgf cm) + A + Screw tightening torque B C D 9 Replacement Parts List