Panasonic Toughbook CF-48 Service Manual
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Panasonic Toughbook CF-48 Service Manual

Panasonic Toughbook CF-48 Service Manual

Panasonic cf-48 notebook computer service manual
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See also: Service Manual , Reference Manual
Model Number Reference
The models in the CF-48 series are numbered in accordance with the types of the CPU, LCD
and HDD etc. featured by the product.
Model No.CF-48
CPU type
M: for Intel
Mobile Pentium
Processor 600 MHz
N: for Intel
Mobile Pentium
Processor 700 MHz
LCD type
3: for 13.3" TFT Color
4: for 14.1" TFT Color
HDD type / RAM size
A: 10 GB / 64 MB
F: 20 GB / 128 MB
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain
warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity
should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in
this service information by anyone else could result in serious injury or death.
A
III
III
WARNING
- 1 -
ORDER NO. CPD0010002C0

Notebook Computer

CF-48
This is the Service Manual for
the following areas.
M ...for U.S.A. and Canada
E ...for U.K.
G ...for Germany
F ...for France
S ...for Sweden
T ...for Italy
P ...for Spain
Area
M: for U.S.A. and Canada
E: for U.K.
G: for Germany
F: for France
S: for Sweden
T: for Italy
Operating System
C: Microsoft
Windows NT
D: Microsoft
Windows
E: Microsoft
Windows
Drive
A: FloppyDisk drive / CD-ROM drive
B: FloppyDisk drive / DVD-ROM drive
© 2000 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
2000
98

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Summary of Contents for Panasonic Toughbook CF-48

  • Page 1: Notebook Computer

    S ...for Sweden T ...for Italy P ...for Spain Model Number Reference The models in the CF-48 series are numbered in accordance with the types of the CPU, LCD and HDD etc. featured by the product. Model No.CF-48 CPU type Area ...
  • Page 2 If you lose the fuse cover the plug must not be used until a replacement cover is obtained. A replacement fuse cover can be purchased from your local Panasonic Dealer. IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OF SAFELY.

  • Page 3: Laser Safety Information

    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 as a class 1 level LASER product and there is no hazardous LASER radiation. Caution: (1) Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

  • Page 4: Table Of Contents

    CONTENTS 1. Specificayions ......................1-1~1-2 2. Names and Functions of Parts ................2-1, 2-2 3. Technical Information ....................3-1~3-4 System Overview ........................3-1, 3-2 System Memory Map ......................3-3 I/O Address Map ........................3-4 4. Diagnosis Procedure ....................4-1~4-12 Basic Procedures ........................4-1 Power On Self Test ........................

  • Page 5: Specifications

    Check the bottom of the computer or the box the computer came in at the time of purchase. To check CPU speed: Use DMI Viewer in [Start] - [Programs] - [Panasonic] - [DMI Viewer]. To check memory and the Hard Disk Drive (HDD) size: Access the HDD’s “Properties”...
  • Page 6 Other Specifications 87 keys for European market Keyboard 88 keys for US market Floppy Disk Drive 720 KB/1.44 MB (two-mode) CD-ROM Drive for CF-48xxxAxxx DVD-ROM Drive for CF-48xxxBxxx PC Card Slots Two Type I or Type II, or one Type III Allowable current 3.3 V: 400 mA, 5 V: 400 mA Slots...

  • Page 7: Names And Functions Of Parts

    2. Names and Functions of Parts The illustrations shown may differ from the actual physical appearances. LED Indicators Caps Lock Numeric key (NumLk) Function Keys Scroll lock (ScrLk) For information on the key combi- CD-ROM/DVD-ROM status nations available. Floppy disk/SuperDisk status Hard disk status Power status Power Switch...
  • Page 8 Parallel Port USB Port DC-IN Jack External Display Port External Keyboard/Mouse Port Serial Port Ventilation Hole These holes allow heat to exit. Internal Modem CAUTION Internal Modem & LAN Port Do not block or place the computer in a loca- tion that may prevent proper ventilation.

  • Page 9: Technical Information

    3.Technical Information 3.1 System Overview 3.1.1 System Configuration 3.1.2 Power Supply System Suspend Off/Hiber Power Supply System Description On mode mode nation VC system (VC5, VC3, VC25, VC16, VC15) CPU and logic power supply VB system (VB5, VB3) Logic power supply VA system (VA3) PMC power supply VPP system (VPP)
  • Page 10 System Configuration Diagram int int int l l l e e e int l e Mobile Pentium III w w w w i i i i t t t t h h h h ® I ntel SpeedStep Technology 1.5V (GTL) 64bit Host Bus 14.1”/13.3”...

  • Page 11: System Memory Map

    3.2 System Memory Map 3 - 3...

  • Page 12: I/O Address Map

    I/O Address Map (CF-48) Address Function IC No, x0000 - x000F Direct memory access controller x0010 - x0018 Motherboard resources x001F - x001F Motherboard resources x0020 - x0021 Programmable interrupt controller x0022 - x0022 Motherboard resources x0024 - x0025 Motherboard resources...

  • Page 13: Power On Self Test

    l l l l l OCCURRENCE OF TROUBLE Power sw is set to ON. Automatic diagnosis takes Power On Self Test place when the power switch is set to ON. POST NORMAL FINISH POST ERROR OCCURRENCE SELF-DIAGNOSIS TEST (IF REQUIRED) DEFECTIVE PARTS Conduct a self diagnosis test when SORTING...
  • Page 14 4.2. Power-On Self Test (Boot Check) 4.2.1. Outline of POST The set has a boot check function called POST (Power-On Self Test) in it. The condition of the main body is diagnosed by checking beep sound or error code. l Start .....Test begins automatically when power switch is set to ON. l Normal finish ..After memory checking, a beep sound is issued once and the set is placed into automatic stop.
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  • Page 17 Troubleshooting Source of Symptom Component procedures problem Result YES Go to No. 1-6 No power is sent to the Is 15V applied to pins 5-8 of unit. Q74? (Whichever one)? Go to No. 1-2 (when using AC) YES Go to No. 1-5 Is 15V applied to pins 1 of Q74? Go to No.
  • Page 18 Troubleshooting Source of Symptom Component procedures problem Result Date or Time cannot be input. IC13 Date and Time does not Replace the Main PCB. Main PCB change properly. RTC battery Date and Time are not displayed. Memory count is too large IC5 12 Replace the Main PCB.
  • Page 19 Troubleshooting Source of Symptom Component procedures problem Result Real time Clock is not Does resetting the date/time Error during updating SETUP 13-1 SETUP correct problem? Main PCB IC13 Memory size/data error Replace the expansion RAM Expansion RAM card. card 14-1 Does operation return to normal? (Go to “NO”...
  • Page 20 Troubleshooting Source of Symptom Component procedures problem Result Key top cannot be pressed. Keyboard is broken. Keyboard Key top does not spring back after pressing. None of the keys function. Replace the keyboard and Keyboard Certain keys do not see if inputting from the Main PCB function.
  • Page 21 Troubleshooting Source of Symptom Component procedures problem Result Access lamp does not Replace the FDD. light. Does operation return to Go to No. 1-2 normal? Replace the LED PCB. LED PCB LD805 Does operation return to Go to No. 1-3 normal? Replace the Main PCB.
  • Page 22 Troubleshooting Source of Symptom Component procedures problem Result Does not boot from HDD. Go to No. 1-2 Has the HDD been partitioned? Improper setting Go to No. 1-3 Are there system files on the Software on the HDD? Replace the HDD. Does operation return to Go to No.
  • Page 23 Troubleshooting Source of Symptom Component procedures problem Result An operating system could Format data Does executing FDISK not be found destroyed correct the problem? Go to No. 8-2 Replace the HDD. Does operation return to Go to No. 8-3 normal? Replace the HDD cable.
  • Page 24 Troubleshooting Source of Symptom Component procedures problem Result Data does not print from YES Main PCB IC23 Does the printer pass its the printer. self-printing test? Printer Data prints out incorrectly. YES Go to No. 2-2 Does the printer pass its self-printing test? Printer YES Main PCB...

  • Page 25: Diagnostic Test

    Diagnostic Test Diagnostic Test Procedure 5.1.1 Equipment 5.1.2 Preparation 5.1.3 NOTICE CAUTION 5 - 1...
  • Page 26 5.1.4 Test Procedure 5 - 2...
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  • Page 30 NOTE) At this time insert a formattable floppy disk into the FDD. (All data on the floppy disk will be erased.) 5 - 6...
  • Page 31 1st Parallel port test (I/O address 378H) !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmno !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnop "#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopq #$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopqr $%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopqrs %&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopqrst &'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopqrstu '()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopqrstuv ()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopqrstuvw )*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]ˆ_`abcdefghijklmnopqrstuvwx 13 12 11 10 25 24 23 22 21 20 19 18 17 16 15 14 5 - 7...
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  • Page 34: Error Message

    Error Message IC13 IC13 IC13 IC13 IC26 IC13 IC13 IC5-12 IC5-12 IC5-12 5 - 10...
  • Page 35 IC13 IC26 IC26 IC23 IC23 IC23 5 - 11...
  • Page 36 IC23 IC23 IC23 IC26 IC23 IC23 5 - 12...
  • Page 37 IC23 IC19 IC30 IC52 IC13 5 - 13...
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  • Page 49: Wiring Connection Diagram

    7. Wiring Connection Diagram INVERTER PCB MODULAR LAN JK602 JK601 MINI-PCI (FOR LAN) CN801 COM PCB MINI-PCI LED PCB (FOR POWER CN802 MODULAR) SPEAKER SPEAKER (RIGHT) (LEFT) PS2/ SERIAL PORT PARALLEL PORT MOUSE DC-IN CN20 CN16 CN17 CN19 MINI- PC CARD SLOT TYPE3 MAIN PCB...

  • Page 50: Exploded View

    8. Exploded View Screw tightening torque A 0.18 ± 0.02N·m (1.8 ± 0.2kgf·cm) B 0.22 ± 0.02N·m (2.2 ± 0.2kgf·cm) C 0.44 ± 0.05N·m (4.5 ± 0.5kgf·cm) E 0.27 ± 0.02N·m (2.8 ± 0.2kgf·cm) F 0.44 ± 0.049N·m (4.5 ± 0.5kgf·cm) K205 K205 K218...
  • Page 51 K204 K206 K206 K206 K204 K206 K206 K202 K222 K206 K206 K222 K206 K104 K206 K114 Screw tightening torque A 0.18 ± 0.02N·m (1.8 ± 0.2kgf·cm) E 0.27 ± 0.02N·m K222 K211 (2.8 ± 0.2kgf·cm) F 0.441 ± 0.049N·m K125 (4.5 ±...
  • Page 52 K206 K206 Screw tightening torque C 0.44 ± 0.05N·m K206 (4.5 ± 0.5kgf·cm) K111 D 0.31 ± 0.02N·m K206 (3.2 ± 0.2kgf·cm) E 0.27 ± 0.02N·m (2.8 ± 0.2kgf·cm) K206 K206 K101 K206 K206 E12 E13 K206 K206 K203 K203 8 - 3...
  • Page 53 Screw tightening torque A 0.18 ± 0.02N·m (1.8 ± 0.2kgf·cm) E 0.27 ± 0.02N·m (2.8 ± 0.2kgf·cm) K211 F 0.441 ± 0.049N·m (4.5 ± 0.5kgf·cm) K201 K201 K210 K211 K209 K119 K201 K207 K119 K210 K119 K210 K209 K209 K119 K210 K209 K209...

  • Page 54: Replacement Parts List

    9. Replacement Parts List (Main Block Unit, Mechanical Parts, Accessories and Packing Materrial) Note: Important Safety Notic Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified parts. REF. NO. and AREA PART NO.
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  • Page 62 ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ ¶ 9 - 9...
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