NCR 7460 User manual

NCR 7460 Retail Terminal
Release 1.0
Hardware Service
Guide
1
B005-0000-1338
Issue A
NCR 7460 hardware service ManualNCR 7460 hardware service ManualNCR 7460 hardware service ManualNCR 7460 hardware service Manual

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Table of Contents
Chapter 1: Product Overview
Introduction.....................................................................1-1
Core Serial Number/Model Number Label................1-2
Display Serial Number/Model Number Label ..........1-3
Hardware Modules.........................................................1-4
Base Unit....................................................................1-4
Hardware Options....................................................1-5
Chapter 2: POST Diagnostics
Power-On Self-Test (POST) Errors ...............................2-6
Error and Beep Codes..............................................2-7
BIOS Default CMOS Values..................................2-10
Main Values ........................................................2-10
Advanced Values ...............................................2-12
I/O Device Configuration.................................2-12
PCI Configuration..............................................2-13
Chapter 3: Hardware Service
Introduction.....................................................................3-1
Safety Requirements.................................................3-1
Fuse Replacement.................................................3-1
Power Supply Cord Used as Disconnect
Means.....................................................................3-1
Lithium Battery Warning....................................3-2
Touch Screen Cleaning Procedures........................3-2
Disassembly Procedures ................................................3-3
Removing the MSR...................................................3-3
Removing the Customer Display...........................3-4

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Removing the Hard Drive.......................................3-7
Removing the Hard Drive Mount Assembly .......3-8
Removing the Power Supply..................................3-9
Removing the Motherboard..................................3-10
Removing the Operator Display ..........................3-11
Removing the LCD Controller Board Assembly3-14
Removing the Customer Display LCD................3-16
Removing the Touchscreen...................................3-17
Circuit Boards................................................................3-18
Processor Boards.....................................................3-18
Processor Board Components ..........................3-18
Replacing the Lithium Battery .........................3-20
Replacing the Processor.....................................3-21
Interrupts.............................................................3-24
DMA Channels...................................................3-25
Processor Board Connector Pin-Outs..............3-25
Ethernet 10/100 LAN Interface........................3-35
Power Supply..........................................................3-36
DC Outputs.........................................................3-36
Cable Pin Outs....................................................3-37
Terminal Power Diagram..................................3-38
Clearing the Password..................................................3-39
Index

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