Panasonic CF-W4HWEZZBM Service Manual

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Summary of Contents:

[Page 1] Panasonic Toughbook CF-W4HWEZZBM

ORDER NO. CPD0604066C1 Personal Computer CF-W4 Model No. CF-W4HWEZZBM Th...

[Page 2] Panasonic Toughbook CF-W4HWEZZBM

CONTENTS 1 Read Me First. .................................................................... 1.1 . Accessories ........................................................... 2 Specifications .......................................................

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[Page 5] Panasonic Toughbook CF-W4HWEZZBM

LASER SAFETY INFORMATION For U.S.A Class 1 LASER-Product This product is certified to comply with DHHS Rules 21 CFR Subchapter J. This product complies with European Standard EN60825 (or IEC Publication 825) For all areas This equipment is classified...

[Page 6] Panasonic Toughbook CF-W4HWEZZBM

Usage Avoid Direct Sunlight on the LCD Panel The LCD panel should not be exposed to direct sunlight or ultraviolet light. Avoid Humidity, Liquids and Dust Do not store or use the computer in loca- tions exposed to high humidity, liquids (including ...

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[Page 9] Panasonic Toughbook CF-W4HWEZZBM

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 com...

[Page 10] Panasonic Toughbook CF-W4HWEZZBM

2006 10 ...

[Page 11] Panasonic Toughbook CF-W4HWEZZBM

CPU/ Secondary cache memory Intel ® Pentium ® M Processor Ultra Low Voltage 753 (1.20 GHz, 2 MB * 1 L2 cache, 400 MHz FSB) Chip Set Intel ® 915 GMS Express chip set Main Memory 512 MB * 1 , DDR2 SDRAM (1024 MB * 1 Max.) Video Memory UMA (12...

[Page 12] Panasonic Toughbook CF-W4HWEZZBM

Main Specifications 12 *1 1 MB = 1,048,576 bytes *2 A segment of the main memory is allotted automatically depending on the computer ’s operating status. The size of the Video Memory cannot be set by the user. *3 1 GB = 1,000,000,000 bytes. Operat...

[Page 13] Panasonic Toughbook CF-W4HWEZZBM

*22 Rated power consumption. *23 Average value. May differ depending on models. *24 Operations of this computer are not guaranteed except for the pre-installed OS. *25 Preinstalled B’s CLiP does not support CD-R. *26 The Product Recovery DVD-ROM is...

[Page 14] Panasonic Toughbook CF-W4HWEZZBM

14 3. Names and Functions Parts 1DPHV $ )XQFWLRQNH\ , 'LVSOD\LQWHUQDO/&' % .H\ERDUG - 6SHDNHU & 6WDWHLQGLFDWRU . /$1FRQQHFWRU ' :KHHOSDG / 0RGHPFRQQHFWRU ( 3RZHUVZLWFK3RZHULQGLFDWRU 0 6HFXULW...

[Page 15] Panasonic Toughbook CF-W4HWEZZBM

Names A Power terminal Microphone input terminalH I J K L M N B External display connector Audio output terminal C PC card slot Emergency hole D SD memory card slot Additional memory slot E SD memory card indicator Latch F Drive power switch/Eject sw...

[Page 16] Panasonic Toughbook CF-W4HWEZZBM

4 Diagnosis & Repair 4.1. Basic Procedures 16 ...

[Page 17] Panasonic Toughbook CF-W4HWEZZBM

4.2. Troubleshooting 17 ...

[Page 18] Panasonic Toughbook CF-W4HWEZZBM

The power indicator or bat- tery indicator is not lit The computer does not op- erate when a USB device is connected [ Enter Password ] is displayed POST Star tup Error (s) is displayed Windows startup, or an op- eration is extremely slow The da...

[Page 19] Panasonic Toughbook CF-W4HWEZZBM

When the administrator password is forgotten When the previous item is not the cause Set the password again in the following procedure. Windows XP If you have created a password reset disk, a message is displayed when you fail to correctly ente...

[Page 20] Panasonic Toughbook CF-W4HWEZZBM

Display (continued) An afterimage appears (e.g., green, red, and blue dots remain on the display) or there are dots not display- ing the correct colors The screen becomes disor- dered The external display no longer displays properly During s...

[Page 21] Panasonic Toughbook CF-W4HWEZZBM

If the DVD-ROM & CD-R/ RW drive vibrates exces- sively or is noisy Is Acrobat Reader installed? If Acrobat Reader is not installed, run the following* 1 in [start] - [Run] to reinstall the program. When installing the program, do not chang...

[Page 22] Panasonic Toughbook CF-W4HWEZZBM

The following is a list of the messages that BIOS can display. Most of them occur during POST. Some of them display information about a hardware device, e.g., the amount of memory installed. Others may indicate a problem with a device, such as the wa...

[Page 23] Panasonic Toughbook CF-W4HWEZZBM

SD Card Lithium Battery Battery Pack Inverter Board DC-IN PCMCIA SLOT Headphone Mic Wireless LAN Module Antenna Board (L) Antenna Board (R) Speaker MODEM SW6 POWER SW Touch Pad LAN Keyboard DIMM memory (Option) LCD LCD Back Light CN902 CN901 VGA USB...

[Page 24] Panasonic Toughbook CF-W4HWEZZBM

4.4. Power-on Self Test ( Boot Check ) 4.4.1. Outline of POST Note: If error occurs, nothing is displayed. (No display of OK, etc.) 4.4.2. Error Diagnosis by Checking Beep Signal Sound The beep sound is as follows: (2-1-2) (Length of bar shows l...

[Page 25] Panasonic Toughbook CF-W4HWEZZBM

4.4.3. Diagnosis by Error Code Error code Message Error Description Possible faulty part 0200 Failure Fixed Disk Fixed disk in not working or not configured properly. HDD Run the Setup Utility and check that the hard disk Main board capacity is displ...

[Page 26] Panasonic Toughbook CF-W4HWEZZBM

Insert the diagnostics floppy disk Return the setup contents to default Choose test from the menu screen to start the test. Menu Screen 1. DIAG on FD 2. LAN test 3. SD I/F test 4. Modem test 5. Wireless LAN test (Wireless LAN Model only) 6. CD test Q...

[Page 27] Panasonic Toughbook CF-W4HWEZZBM

5.1.1. List of main test items Test items shown on the screen Select 1 SPEAKER TEST Speaker test 2 VESA MODE TEST VESA mode test 3 A20 GATE TEST Address A20 line 4 CACHE ON/OFF TEST Cache memory on/off test 5 NPU OPERAND TEST Floating point processor...

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28 ...

[Page 29] Panasonic Toughbook CF-W4HWEZZBM

Starting up the input menu 1. From the menu screen shown below, choose Quit and press Enter. 2. When A: \DIAG appears, input "JDG_W4H, EXE" and press Enter. 3. The input screen shown below will appear. To choose menu items, hold down &q...

[Page 30] Panasonic Toughbook CF-W4HWEZZBM

5.5. Error Messages and Troubleshooting Test classification Screen display test items Contents Possible damaged or faulty part 1 A20 GATE TEST Address 20 line 2 CACHE ON/OFF TEST Cache memory on/off 3 NPU OPERAND TEST Floating point processor functio...

[Page 31] Panasonic Toughbook CF-W4HWEZZBM

6 Disassembly instructions 6.1. Disassembly Flow Chart 6.2.1. 6.2.2. 6.2.4. 6.2.6. 6.2.8. Disk Cover 6.2.7. 6.2.9. 6.2.10. Solenoid 6.2.11. 6.2.12. 6.2.13. Drive Unit 6.2.3. HDD Main Board USB Board 6.2.14. 6.2.15. 6.2.16. 6.2.17. 6.2.19. 6.2.20. 6.2...

[Page 32] Panasonic Toughbook CF-W4HWEZZBM

6.2. Disassembly 6.2.1. Preparation Attention: Before disassembly, be sure to perform the following steps. 1. End the Windows. 2. Turn off the power and then remove the AC Adaptor. 3. Slide the Hooks (A) and then remove the Battery Pack. 4. Remov...

[Page 33] Panasonic Toughbook CF-W4HWEZZBM

6.2.3. Remove the HDD Preparation : perform the section 6.2.1. 6.2.2. first. 1. Remove the 2 Screws (V). Screw(V):DFHE5025XA(N1) 2. The slide is done in the direction of the arrow and the HDD Cover is removed. Screw (V) HDD Cover 3. Lift up the HD...

[Page 34] Panasonic Toughbook CF-W4HWEZZBM

4. Remove the 3 Screws (I), 2 Screws (J), 2 Screws (K) and 2 Screws (L) from the Top Case. Screw(I):DXQT2+E6FNL(N13) Screw(J):DXQT26+D8FCL(N16) Screw(K):DXQT2+E6FCL(N12) Screw(L):DFHE5025XA(N1) Screw(R):DXQT2+E12FNL(N11) Screw(S):DXQT2+E6FNL(N13) Sc...

[Page 35] Panasonic Toughbook CF-W4HWEZZBM

6.2.6. Remove the Disc Cover Preparation : perform the section 6.2.1. to 6.2.4. first. 1. Remove the 2 Screw (R), 1 Screw (S) and 1 Screw (T) of the Disk Angle. Screw(T):DXHM0057(N7) 2. Slide the Disc Cover to the Disc Cover Shaft and remove the Co...

[Page 36] Panasonic Toughbook CF-W4HWEZZBM

6.2.8. Remove the LCD Knob Preparation : perform the section 6.2.1. to 6.2.4. first. 1. Remove the Spring from the Top Case. 2. Remove the Hook of LCD Knob from the Stopper Rib of the Top Case and then the LCD Knob is removed. Location of the Sprin...

[Page 37] Panasonic Toughbook CF-W4HWEZZBM

4. The Antenna Cover (L) is inclined in the direction of arrow A and remove it. Remove the Antenna Cover (L) from the Top Case. Antenna Cover (L) Antenna PCB (L) Screw (N) Screw (N) Main Board Bottom Case CN23 A 5. Remove the Connectors (CN10) and ...

[Page 38] Panasonic Toughbook CF-W4HWEZZBM

6.2.12. Remove the Drive Unit Preparation : perform the section 6.2.1. to 6.2.4. first. 1. Peel off the Tape from the Connector. 2. Remove the Drive FFC from the Connector (CN501) and remove out the Drive Unit. Tape CN501 Drive FFC Drive unit 6.2.1...

[Page 39] Panasonic Toughbook CF-W4HWEZZBM

6.2.16. Remove the MODEM Preparation : perform the section 6.2.1. to 6.2.4. and 6.2.11. first. 1. Remove the 2 Screws (O). Screw(O):DXQT2+D25FNL(N8) 2. Remove the MODEM to the vertical direction from Connector (CN8) on the Main Board. Screw (O) Scr...

[Page 40] Panasonic Toughbook CF-W4HWEZZBM

6.2.18. Remove the LCD Unit Preparation : perform the section 6.2.1. to 6.2.4. first. 1. Remove the 2 Screws (M) Screw(M):DXQT26+D5FNL(N15) 2. Remove the LCD Cable from the Connectors (CN10) and (CN11) on the Main Board and then remove the LCD Unit...

[Page 41] Panasonic Toughbook CF-W4HWEZZBM

6.2.21. Remove the Inverter Board Preparation : perform the section 6.2.1. to 6.2.4. and 6.2.18. to 6.2.20. first. 1. Remove the LCD Cable from the Inverter. 2. Peel off the Tape for fixation from Inverter Case. 3. Remove the Inverter with the Inv...

[Page 42] Panasonic Toughbook CF-W4HWEZZBM

6.3. Reassembly instructions 6.3.1. Attention when CF-W4G series is repaired · Please execute writing BIOS ID when you exchange the Main Board. · Parts (Sheet and rubber) etc. related various the Conductive Cloth and Heat Sp...

[Page 43] Panasonic Toughbook CF-W4HWEZZBM

PET Tape Putting of Rear Damper Putting of PET Sheet The cable must not run aground on the damper. Along the LCD Module and put the LCD Cable (Inverter part) with the PET Tape. Conductive Cloth (LCD cable) LCD Cable LCD Cable (Inverter part) Damper...

[Page 44] Panasonic Toughbook CF-W4HWEZZBM

Putting of LCD Damper(C) Rib edge match of LCD Front Case 0 1mm Rib application putting of LCD Front Case 0 1mm LCD Damper(C) Plinth externals match 0 1mm Rib application putting of LCD Front Case 0 1mm Conductive Cloth is wrapped (Leave the half) ...

[Page 45] Panasonic Toughbook CF-W4HWEZZBM

6.3.3. Assembly of Brake Lever Brake Lever built-in figure The above is shape. In the slide and then install. Brake lever preparation goods Surface chart Brake Lever completion chart Do not touch the bonding side when the brake pad is affixed. ...

[Page 46] Panasonic Toughbook CF-W4HWEZZBM

6.3.4. Solenoid Wire Rod processing Solenoid with cable Inserts under the rib Disk Cover Lock Inserts between ribs Up that there is no screw hole The Solenoid with the cable is made on the Disk Cover Lock Solenoid Cable 6.3.5. Switch Board assembly ...

[Page 47] Panasonic Toughbook CF-W4HWEZZBM

0 1mm Inserts in ditch Inserts in latch Inserts in the table side. Rib outside suiting 0 1mm Rib outside suiting Processing of Speaker Cable Speaker installation Speaker Box Secure 2mm or more for the space in each rib and the soldering part. ...

[Page 48] Panasonic Toughbook CF-W4HWEZZBM

6.3.8. MODEM Cable, Rib and LAN Cable processing Main Board LAN Cable Modem Cable Standard size 8mm Tape is wrapped Modem Cable Gasket Cloth Wrap Gasket Cloth. Tape Conductive Cloth affixation of Modem Cable Process between the Main Board and th...

[Page 49] Panasonic Toughbook CF-W4HWEZZBM

6.3.9. USB Cable processing Open space between the Drive Board and the cable. Process the USB cable on the Drive Board. Do not multiply the stress by the Drive Board. Put the cable when there is no space between the Main Board and the cable in th...

[Page 50] Panasonic Toughbook CF-W4HWEZZBM

6.3.11. Affixation of HDD Gasket It sticks to the bottom of DVD DRIVE It sticks to the side of DVD DRIVE 0 1mm 0 1mm Gasket Gasket Cloth is pasted DVD Heat Insulation Pack is pasted DVD Heat Insulation Pack 50 ...

[Page 51] Panasonic Toughbook CF-W4HWEZZBM

6.3.12. Assembly of Disk Cover 0 1mm 0 1mm 0 1mm a b c Insert the hook in the corner hole. 0 1mm 0 mm Disk Angle Disk Angle Disk Angle Sheet B Disk Angle Sheet A Disk Angle Sheet C 0 1mm 0 1mm 0 1mm Disk Angle Cushion Disk Angle FPC Cover Disk Angle...

[Page 52] Panasonic Toughbook CF-W4HWEZZBM

6.3.13. Assembly of Touch Pad The Concave part is inserted in the hole of a Top Case Touch Pad Affixes it according to the convex positioned part Pressurizing Hook Hook Gasket (PAD) PAD Button PAD Seat Pad Cover PAD FFC Touch Pad Pin insertion Top C...

[Page 53] Panasonic Toughbook CF-W4HWEZZBM

2. Installation of Keyboard Preparation1. Heat Sheet KB Large is pasted. 0 1mm 0 1mm 0 mm or less of Inclination Heat Sheet KB Large Preparation2. Tape(KBD)/KB FPC Tape/LCD Tape E/KB Edge Sheet ispasted. LCD Tape E Tape(KBD) KB Edge Sheet 0 0 0 0.5 ...

[Page 54] Panasonic Toughbook CF-W4HWEZZBM

3. Screw tightening of Bottom Case 1.The screw tightening is done in the undermentioned order. 3-1. DXHM0039ZA(E:N6) is tightened.No.1 to No.3 3-2. DXHM0057ZA(C:N7) is tightened. No.4,No.5 3-3. DXQT2+E12FNL(F:N11) is tightened. No.6 to No.9 3-4. DXQ...

[Page 55] Panasonic Toughbook CF-W4HWEZZBM

6.3.16. Affixation of Win Logo Label (XP), CENTRINO Label and ENERTGY STAR Label In Win Logo Label / CENTRINO Label / ENERGY STAR Label Affixation inclination, the both ends difference is within 0.2mm. 2 5mm 2 5mm 0 1mm 2 5mm5 7mm Win Logo Label ...

[Page 56] Panasonic Toughbook CF-W4HWEZZBM

7. Explanation of Hardware 7.1. System Block Diagram 56 ...

[Page 57] Panasonic Toughbook CF-W4HWEZZBM

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[Page 58] Panasonic Toughbook CF-W4HWEZZBM

K37 K92 K42 K19 K37 N3 K33 K85 K30 K12 K30 K33 N3 K51 K51 K51 K53 K52 K52 K51 K51 K8 K88 K81 N3 K82 N3 K5 N15 N15 K6 K63 K39 K23 K39 K64 E26 K99 K63 K38 K38 K39 K39 E24 K22 K45 K18 E5 K36 8.1. Display Section 8. Exploded View Screw tightening torque ...

[Page 59] Panasonic Toughbook CF-W4HWEZZBM

N7 K97 K525 a a K113 K111 K511 K112 K89 K10 K114 E27 E2 K9 K106 K94 K503 K504 K505 N8 K502 N7 N11 K506 K506 K91 N11 N13 K506 K69K69 K500 E28 K50 K1 K20 K49 K508 K17 K60 E23 K59 K90 K501 N16 N1 N12 N13 N12 N1 N1 N16 N13 E10 K101 K61 N13 K46 K117 E3 E...

[Page 60] Panasonic Toughbook CF-W4HWEZZBM

8.3. Bottom Section K96 N11 N9 CN13 CN12 CN14 JK2 JK1 N1 SW6 SW7 SW5 K86-1 K86-1 K86-1 N4 N4 N11 N17 N10 N6 N6 N7 N7 N4 N6 N11 N11 K3 K2 K86-3 N2 E14 K79 K34 K86-2 E9 K108 N8 K102 K110 K510 K32 K104 K98 K107 K109 K524 K24 N5 K509 N500 K517 E19 K27 K4...

[Page 61] Panasonic Toughbook CF-W4HWEZZBM

9 Replacement Parts List Note: Important Safety Notice Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified...

[Page 62] Panasonic Toughbook CF-W4HWEZZBM

P7 DFPN0827ZB CUSHION T 2 P8 DFPN0828ZB CUSHION B 2 Mechanical Parts K1 DFBC0314ZB-0 PAD BUTTON 1 K2 DFBD0180ZB-0 POWER KNOB 1 K3 DFBD0182ZA-0 LAN SW KNOB 1 K4 DFBD9006ZA-0 DISK EJECT KNOB ASSY 1 K5 DFBH3043ZA HINGE-L USA 1 K6 DFBH3044ZA HINGE-R USA ...

[Page 63] Panasonic Toughbook CF-W4HWEZZBM

K86 DFKF8165ZA-0 BOTTOM CASE USA ASSY 1 K86-1 DFHG371ZA-1 FOOT RUBBER 3 K86-2 DFKL0026ZA-0 FOOT RUBBER BACK 2 K86-3 DFMX1174ZA AUDIO JACK SHEET 1 K88 DFKM0482ZA-0 LCD REAR (SANKI) 1 K89 DFKM0483UA-0 DISK COVER (TOUGH COMBO) 1 K90 DFKM8170VA-0 TOP CAS...

[Page 64] Panasonic Toughbook CF-W4HWEZZBM

K526 DFGX0428ZA-0 BATTERY SHEET 1 K527 DFGX0429ZA-0 BATTERY SHEET L 1 N1 DFHE5025XA SCREW 6 N2 DFHE5035ZB SCREW 2 N3 DRHM0074ZA SCREW 4 N4 DRHM0092ZA SCREW 3 N5 DRQT2+G6FKL SCREW 1 N6 DXHM0039ZA SCREW 3 N7 DXHM0057ZA SCREW 4 N8 DXQT2+D25FNL SCREW 6 ...