Kennmex K875, Руководство по обслуживанию оборудования

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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
Back Cable Connectors
...........................................................................................19
Terminal Disassembly Procedure
..............................................................................19
Removing the HDD
.................................................................................................19
Removing the Motherboard Tray
..............................................................................21
Removing the CPU
.................................................................................................22
Removing the EMI Cover
.........................................................................................24
Removing the Inverter Board
....................................................................................27
Removing the Touch Board
......................................................................................27
Removing the Speakers
...........................................................................................28
Removing the Docking Board
...................................................................................29
Removing the LED Sensor Board
.............................................................................30
Removing the MSR Board
.......................................................................................31
Removing the LCD Panel and Touchscreen
...............................................................32
Circuit Boards
.........................................................................................................35
Main Board
.....................................................................................................35
Jumper Settings
..............................................................................................36
Chapter 5 : Connector Pin-Out Identification
......................................................................39
Introduction
............................................................................................................39
Speaker & MIC Connector (CN4)
..............................................................................39
CD-IN Connector (CN9)
...........................................................................................39
Power Connector For 3.5” HDD (CN11)
.....................................................................39
COM 5 (CN13)
........................................................................................................40
CPU FAN Connector (CN15)
....................................................................................40
USB 2 (CN18)
.........................................................................................................40
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