Page 2
Preface Notebook Computer M190S/M192S Service Manual...
Page 3
Preface Notice The company reserves the right to revise this publication or to change its contents without notice. Information contained herein is for reference only and does not constitute a commitment on the part of the manufacturer or any subsequent ven- dor.
Preface About this Manual This manual is intended for service personnel who have completed sufficient training to undertake the maintenance and inspection of personal computers. It is organized to allow you to look up basic information for servicing and/or upgrading components of the Notebook PC. The following information is included: Chapter 1, Introduction, provides general information about the location of system elements and their specifications.
Preface Related Documents You may also need to consult the following manual for additional information: User’s Manual on CD This describes the notebook PC’s features and the procedures for operating the computer and its ROM-based setup pro- gram. It also describes the installation and operation of the utility programs provided with the notebook PC.
1: Introduction Overview This manual covers the information you need to service or upgrade the M190S/M192S notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about driv- ers (e.g. VGA & audio) is also found in User’s Manual. That manual is shipped with the computer.
Introduction External Locator - Front and Rear View Figure 1 - 2 Front View 1. Phone Antenna 2. Infrared Transceiver 3. Communication 4. Power LED 5. Battery LED 6. S/PDIF Port 7. Microphone-In Port 8. Headphone-Out Port 9. LCD Latch Figure 1 - 3 Rear View 1.
Introduction External Locator - Right View Figure 1 - 4 Right View 1. Hard Disk Bay 2. Dual USB Ports 3. Vent 4. Modem & LAN Jacks External Locator - Right View 1 - 9...
Introduction External Locator - Left View Figure 1 - 5 Left View 1. Antenna Raised 2. External Monitor (CRT) Port 3. DC-In Jack 4. PS/2 Port 5. Telephone Headset Jack 6. External IDE Device Port 7. Mini IEEE 1394 Port 8.
Disassembly 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling parts and subsystems. When it comes to reassembly, reverse the procedures (unless otherwise indicated). We suggest you completely review any procedure before you take the computer apart. Procedures such as upgrading/replacing the RAM and hard disk are included in the User’s Manual but are repeated here for your convenience.
Disassembly NOTE: All disassembly procedures assume that the system is turned OFF, and disconnected from any power supply (the battery is removed too). Maintenance Tools The following tools are recommended when working on the notebook PC: • M3 Philips-head screwdriver •...
Disassembly Maintenance Precautions The following precautions are a reminder. To avoid personal injury or damage to the computer while performing a re- moval and/or replacement job, take the following precautions: Power Safety Warning 1. Don't drop it. Perform your repairs and/or upgrades on a stable surface. If the computer falls, the case and other Before you undertake components could be damaged.
Disassembly Disassembly Steps To remove the modem: 1. Remove the battery page 2 - 6 The following table lists the disassembly steps, and on 2. Remove the keyboard page 2 - 9 which page to find the related information. PLEASE 3.
Page 28
Disassembly To remove the inverter: To remove the PCMCIA assembly: 1. Remove the battery page 2 - 6 1. Remove the battery page 2 - 6 2. Remove the hard disk drive assembly page 2 - 7 2. Remove the hard disk drive assembly page 2 - 7 3.
Disassembly Removing the Battery Figure 2 - 1 Battery Removal 1. Shut the computer down and turn it over. Sequence 2. Locate the battery release latches (Figure 2 - 1a). 3. Latch should slide to the right and remain in place, and you will need to hold latch in place as you slide the a.
Disassembly Removing the Hard Disk Drive Assembly Figure 2 - 2 Hard Disk 1. Remove the battery (page 2 - 6) and turn the computer over. Removal 2. Slide up the HDD assembly latch , and hold it in place. Sequence 3.
Disassembly Removing the System Memory in Socket Two Figure 2 - 3 System Memory 1. Remove the battery (page 2 - 6) and turn the computer over. (Socket 2) 2. Remove screws & (Figure 2 - 3a). Removal 3. Lift the memory socket cover off the computer (Figure 2 - 3b).
Disassembly Removing the Keyboard Figure 2 - 4 Keyboard 1. Remove the battery ( page 2 - 6 Removal 2. Press the three keyboard latches at the top of the keyboard to elevate the keyboard from its normal position as in Sequence Figure 2 - 4a (you may need to use a small screwdriver to do this).
Disassembly Removing the System Memory in Socket One Figure 2 - 5 System Memory 1. Remove the battery ( page 2 - 6 ) and keyboard ( page 2 - 9 (Socket 1) 2. Remove screws Figure 2 - 5a ) from the shielding plate , and lift the plate up off the computer.
Disassembly Removing the CPU Figure 2 - 6 Processor 1. Remove the battery ( page 2 - 6 ) and keyboard ( page 2 - 9 Removal 2. Remove screws Figure 2 - 6a ) from the heat sink in the order indicated (when inserting a new or replace- Sequence ment CPU, make sure you insert the screws in the same order indicated in Figure 2 - 6a...
Page 37
Disassembly 3. Remove screws and disconnect cables Figure 2 - 10a ) from the mainboard. Figure 2 - 10 4. Push the LCD back as far as it will go and carefully remove the left and right hinge covers. LCD Assembly 5.
Part Lists Appendix A:Part Lists This appendix breaks down the notebook PC’s construction into a series of illustrations. The component part numbers are indicated in the tables opposite the drawings. Note: This section indicates the manufacturer’s part numbers. Your organization may use a different system, so be sure to cross-check any relevant documentation.
Part Lists Part List Illustration Location The following table indicates where to find the appropriate part list illustration. Table 1 - 1 Part List Illustration Part M190S M192S Location page A - 3 page A - 11 Bottom page A - 4...
Schematic Diagrams Appendix B:Schematic Diagrams This appendix has circuit diagrams of the systems PCB’s: Printed Circuit Board System Board 71-M1900-D02 B - 1...
Schematic Diagrams Clock Generator Sheet 4 of 34 Clock Generator Main Clock Generator Damping Resistors Place near to the +3VS Clock Outputs By-Pass Capacitors BK2125HS121 CLOCK GEN (650) Place near to the Clock CLK_VCC3 Outputs VDDREF RP76 HCLK-CPU VDDZ CPUCLK0 HCLK-CPU (3) C584 C574...
Schematic Diagrams 650-3 (LVDS Interface) - 3 of 4 Sheet 9 of 34 650-3 SIS650 NOTE: This page is for universal PCB design( suitable for both 645 or 650) (LVDS Interface) ZCLK0 ZCLK0 ZCLK REFCLK0 NB Hardware Trap Table REFCLK0 (4) VOSCI ZUREQ (12)
Schematic Diagrams 961A-2 (Misc Signals) - 2 of 4 Sheet 14 of 34 961A-2 U18B Programable on-die pull-high strength for CPU_S: ( Infinite, 150, 110, 56 Ohm) (Misc Signals) R363 4.7K NEED NOT to place OSC25MHI +3VS INIT# close to 96X INIT# INIT# OSC25MHO...
Page 76
Schematic Diagrams 961A-3 (USB) - 3 of 4 Sheet 15 of 34 961A-3 R384 560K (USB) R385 470K OC0# U18C USBVCC0 +5VS BK2125HS121 3 of 4 1.1A C450 UCLK48M C525 UCLK48M(4) EESK(GPI21) USBCLK48M EEDI(GPI22) R295 4.7K Place these components 10UF/16V 0.1UF EEDO(GPI23) UV0+...
Schematic Diagrams Power & Lid Switch Board Sheet 34 of 34 Power & Lid Switch Board VIN_10 VSW2 VIN_10 PWRS_10 VJP1 PWRS 4P PWRS_10 LID_SW#_10 VSW1 PWR CON-4P LID_SW#_10 VC11 GND_P LID SW4P 0.1U GND_P GND_P Power & Lid Switch Board (71-M1900-D02) B - 36...