1. Manuals
  2. Brands
  3. Kennmex Manuals
  4. Touch Panel
  5. K875
  6. Hardware service manual

Kennmex K875 Hardware Service Manual

Hide thumbs Also See for K875:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
K875
Hardware Service Guide
2006 November V1.1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the K875 and is the answer not in the manual?

Questions and answers

Related Manuals for Kennmex K875

Summary of Contents for Kennmex K875

  • Page 1 K875 Hardware Service Guide 2006 November V1.1...

  • Page 2: Table Of Contents

    Table of Contents Chapter 1: Product Overview .....................4 Chapter 2: Power-On Self-Test (POST) Errors ..............5 Chapter 3 : Troubleshooting .....................11 Chapter 4 : Hardware Service ..................17 Introduction ......................17 Safety requirements ....................17 Fuse Replacement ..................17 Lithium Battery Warning...................17 IT Power System.....................17 Peripheral Usage ....................17 Grounding instructions..................18 Tools Used ......................18...
  • Page 3 LVDS Interface (CN19) ....................41 Inverter Connector (CN20)..................42 POS Card Reader Connector (CN21) ...............42 System FAN Connector (CN22)................43 IrDA Connector (CN23)....................43 COM 1, COM 2 , COM 3, COM 4 (RJ45_2) ...............43 Appendix A: IRQ Assignments..................44...

  • Page 4: Chapter 1: Product Overview

    Chapter 1: Product Overview The K875 is a new milestone in Panel PC. Its ultra compact design and sleek appearance create a breakthrough image. Innovate tool-free serviceability allows you to change main board and HDD in minutes. The K875 uses Intel Mobile technology supporting a variety of CPU demands.

  • Page 5: Chapter 2: Power-On Self-Test (Post) Errors

    Chapter 2: Power-On Self-Test (POST) Errors During the power on self test (POST), if the BIOS detects an error requiring you to do something, it will either sound a beep code or display a message. If a message is displayed, it will be accompanied by the following: PRESS F1 TO CONTINUE, CTRL-ALT-ESC OR DEL TO ENTER SETUP Currently there is only one beep code in the BIOS.
  • Page 6 Error Message Corrective Action Diskette Drivers or Types Mismatch Type of diskette drive installed in the system Error-Run Setup is different from the CMOS definition. Run Setup to reconfigure the drive type correctly. Display switch is set incorrectly. The display switch on the motherboard can be set to either monochrome or color.
  • Page 7 Error Message Corrective Action Floppy Disk CNTRLR Error or No Cannot find or initialize the floppy drive CNTRLR Present controller. Make sure the controller is installed correctly and firmly. If there are no floppy drives installed, be sure the Diskette Drive selection in Setup is set to NONE.
  • Page 8 Error Message Corrective Action Keyboard is locked out unlock the key This message usually indicates that one or more keys have been pressed during the keyboard tests. Be sure no objects are resting on the keyboard. Memory Address Error at… Indicates a memory address error at a specific location.
  • Page 9 Error Message Corrective Action No boot device was found This could mean that either a boot drive was not detected or the drive does not contain proper system boot files. Insert a system disk into drive A: and press Enter. If you assumed the system would boot from the hard drive, make sure the controller is inserted correctly and all cables are properly attached.
  • Page 10 Error Message Corrective Action Press TAB to show POST screen System OEMs may replace the Award BIOS POST display with their own proprietary display. Including this message in the OEM display permits the operator to switch between the OEM display and the default POST display.

  • Page 11: Chapter 3 : Troubleshooting

    Chapter 3 : Troubleshooting...
  • Page 12 Power Circuit Troubleshooting...
  • Page 13 LCD Panel Troubleshooting...
  • Page 14 Peripheral Troubleshooting...
  • Page 15 Other Function Troubleshooting...
  • Page 16 Touch Screen Troubleshooting...

  • Page 17: Chapter 4 : Hardware Service

    Chapter 4 : Hardware Service Introduction This chapter discusses procedures for disassembling the K875 hardware for servicing. Topics include: • Safety requirements • Tools used • Back Panel Cable connectors • Disassembly procedures • Board strapping information Safety requirements Caution: This product does not contain user serviceable parts. Servicing should only be performed by a qualified service technician.

  • Page 18: Grounding Instructions

    Caution: DO NOT connect or disconnect a printer, keyboard, or any other terminal-powered peripheral while the terminal is powered on. Doing so may result in peripheral or system damage. Grounding instructions In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock.

  • Page 19: Back Cable Connectors

    Cash Drawer COM (4) USB (2) Terminal Disassembly Procedure This section explains how to disassemble the K875 for service purposes. Warning: Disconnect the AC power cord before disassembling the Ter minal. Removing the HDD 1. Remove the screw (1). Screw (1)
  • Page 20 2. Remove the HDD door. . Remove the HDD by pulling on the tag. . Disconnect the HDD cable (1). HDD cable (1)

  • Page 21: Removing The Motherboard Tray

    Removing the Motherboard Tray 1. Loosen the thumbscrews (2) to remove th e cable cover. Thumbscrew (1) Thumbscrew (1) . Loosen the thumbscrews (2). Thumbscrew (1) Thumbscrew (1) . Remove the Motherboard tray by pulling on the handle.

  • Page 22: Removing The Cpu

    4. Remove the Motherboard tray. Removing the CPU 1. Disconnect the fan cable (1). Fan Cable (1)
  • Page 23 2. Remove the screws (4). Screws (2) Screws (2) . Lift the heatsink and fan up. . Turn the knob 180 degrees to open the key lock to remove the CPU by a slot screwdriver Key Lock...

  • Page 24: Removing The Emi Cover

    Removing the EMI Cover 1. Remove the HDD. 2. Remove the motherboard tray. 3. Remove the screws (3). Screws (3) 4. Slide the MSR cover out and disconnect the cable (1). Cable (1) 5. Remove the screw (1). Screw (1)
  • Page 25 6. Remove the screw (1). Screw (1) 7. Open the button cover and remove the screw (1). Screw (1) 8. Separate the rear bezel and front bezel.
  • Page 26 9. Remove the screws (6). Screws (2) Screw (1) Screws (3) 10. Remove the screws (4). Screws (2) Screws (2) 11. Lift the EMI cover up.

  • Page 27: Removing The Inverter Board

    Removing the Inverter Board 1. Remove the HDD. 2. Remove the motherboard tray. 3. Remove the EMI cover. 4. Disconnect the cables (3). Cable (1) Cable (1) Cable (1) 5. Remove the screws (2). Screw (1) Screw (1) Removing the Touch B oard 1.

  • Page 28: Removing The Speakers

    4. Disconnect the cables (2). Touch Cable (1) Cable (1) 5. Remove the screws (2). Screw (1) Screw (1) Removing the Speakers 1. Remove the HDD. 2. Remove the motherboard tray. 3. Remove the EMI cover.

  • Page 29: Removing The Docking Board

    4. Disconnect the speaker cable (1). Cable (1) 5. Remove the screws (4). Screws (2) Screws (2) Removing the Docking Board 1. Remove the HDD. 2. Remove the motherboard tray. Remove the EMI cover.

  • Page 30: Removing The Led Sensor Board

    4. Disconnect the cables (7). 5. Remove the screws (3) to replace the docking board. Screws (2) Screw (1) Removing the LED Sensor Board 1. Remove the HDD. 2. Remove the motherboard tray. 3. Remove the EMI cover.

  • Page 31: Removing The Msr Board

    4. Disconnect the cables (2). LED Interface (1) IrDA Cable (1) 5. Lift the LED sensor board up. Removing the MSR Board 1. Remove the HDD. 2. Remove the motherboard tray. 3. Remove the EMI cover. 4. Disconnect the cable (1) (see the picture below).

  • Page 32: Removing The Lcd Panel And Touchscreen

    5. Remove the screws (2). Cable (1) Screws (2) Removing the LCD Panel and Touchscreen 1. Remove the HDD. 2. Remove the motherboard tray. . Remove the EMI cover. . Remove the MSR board. . Remove the LED sensor board. .
  • Page 33 7. Remove the screws (2). Screw (1) Screw (1) 8. Remove the screws (2) that secure the LCD bracket to the display front bezel. Screw (1) Screw (1)
  • Page 34 9. Remove the screws (12) and remove the brackets (4). Screws (3) Screws (3) Screws (3) Screws (3) 10. Remove the screws (2). Screw (1) Screw (1)

  • Page 35: Circuit Boards

    11. Remove the screws (2) to remove the LCD panel. Screw (1) Screw (1) Circuit Boards Main Board JP11 CN13 CN18 CN21 CN15 CN20 CN19 CPU1 PCI1 IDE1 DIMM1 JP10 RJ45 1 RJ11_1 RJ45 2 USB1 USB2 PWR1 PRN1...

  • Page 36: Jumper Settings

    Jumper Settings The diagram bel ow illustrates the default jumper settings for the Main Board. An asterisk (*) indicates the def ault setting. MOS Operation (JP8) Instruction: Turn off the power. Set the jumper from CMOS Normal (*1-2) to CMOS Reset (2-3). Finally, res et the jumper from CMOS Reset (2-3) to CMOS Normal (*1-2).
  • Page 37 LCD ID Setting Panel Resolution LVDS Number Bits Channel Single 640 x 480 SHORT SHORT SHORT SHORT Single 800 x 600 SHORT SHORT SHORT OPEN Single 1024 x 768 SHORT SHORT OPEN SHORT Dual 1280 x 102 SHORT SHORT OPEN OPEN Single 1024 x 768...

  • Page 38: Replacing The Lithium Battery

    32 / 485 / 4 22 Setting ◎RS232 Function RS485 RS422 JP9 (1-2) JP9 (3-4) JP9 (4-6) JP9 (5-7) JP9 (7-8) JP9 (9-10) JP10 (1-2) JP10 (3-4) JP10 (5-6) JP10 (7-8) JP10 (9-10) JP10 (11-12) Replacing the Lithium Battery aution: Danger of explosion if battery is incorrectly replaced. eplace only with the same or equivalent type as recommended by the manufacturer.

  • Page 39: Chapter 5 : Connector Pin-Out Identification

    Chapter 5 : Connector Pin-Out Identification Introduction his chapter describes the Pin Configuration of all the connectors found on the mainboard Speaker & MIC Connector (CN4) PIN No. Signal Description AMP_ORL AMP_ORR MIC1 CD-IN Connector (CN9) PIN No. Signal Description CDIN_L CDIN_REF CDIN_R...

  • Page 40: Com 5 (Cn13)

    COM 5 (CN13) PIN No. Signal Description DCD# DTR# DSR# RTS# CTS# CPU FAN Connector (CN15) PIN No. Signal Description Feedback SB 2 (CN18) PIN No. Signal Description +5V_USB1 USB20_R_P1 USB20_R_P1+...

  • Page 41: Lvds Interface (Cn19)

    LVDS Interface (CN19) PIN No. Signal Description PIN No. Signal Description LVDS_B0+ LVDS_B3- LVDS_A3+ LVDS_A1- LVDS_B0- LVDS_A3- LVDS_CLKB+ LVDS_A0+ DS_B1+ LVDS_CLKB- LVDS_CLKA+ LVDS_A0- LVDS_B1- LVDS_CLKA- +5V_LCDVDD +3.3V_LCDVDD LVDS_B2+ +5V_LCDVDD LVDS_A2+ +3.3V_LCDVDD LVDS_B2- +5V_LCDVDD LVDS_A2- +3.3V_LCDVDD +5V_LCDVDD +3.3V_LCDVDD LVDS_B3+ +5V_LCDVDD LVDS_A1+ +3.3V_LCDVDD...

  • Page 42: Inverter Connector (Cn20)

    Inverter Connector (CN20) PIN No. Signal Description +12V_INV +12V_INV +12V_INV +12V_INV ack-L ight Enable ack-Light Enabl POS Card Reader Connector (CN21) PIN No. Signal Description DATA_SIO_ TO_MSR KDATA_SIO_TO_MSR KDATA_MSR_TO_GFINGER KCLK_MSR_TO_GHINGER RS232_6_RX# RS232_6_TX# RS232_6_CTS# RS232_6_RTS# KB_EN USB20_MSR_P0+ USB20_MSR_P0-...

  • Page 43: System Fan Connector (Cn22)

    System FAN Connector (CN22) PIN No. Signal Description Feedback IrDA onne ctor (CN23) PIN No. Signal Description IRDA_RX IRDA_TX COM 1, COM 2 , COM 3, COM 4 (RJ45_2) PIN No. Signal Description PIN No. Signal Description RS232_1_DCD# RS232_3_DCD# RS232_1_DSR# RS232_3_DSR# RS232_1_RX# RS232_3_RX#...

  • Page 44: Appendix A: Irq Assignments

    Appendix A: IRQ Assignments Priority Default Function System Timer Keyboard Controller Programmable Interrupt Communication Port (COM2 / IrDA) Communication Port (COM1) PCI devices PCI devices Parallel port (LPT1) System CMOS / Real Time Clock ACPI Controller / PCI devices Communic ation Port (COM3 /COM4/COM5/COM6...

Table of Contents