To Next Page

To Previous Page

......................................................................................................................................................................Audio PCB 2-9

..............................................................................................................................................Function Summary 2-10

................................................................................................Power supply rectiers, lters, and regulators 2-10

......................................................................................................................................................................Mixer 2-11

...........................................................................................................................................Headphone amplier 2-11

..............................................................................................................................Frequency response shaping 2-11

.........................................................................................................................................2-way crossover lters 2-11

..................................................................................................................................................Power ampliers 2-12

...................................................................................................................................................................Muting 2-12

.......................................................................................................................................................Control Panel PCB 2-12

..............................................................................................................................................Function Summary 2-12

..................................................................................................................................................................General 2-13

............................................................................................................................................................LED Matrix 2-13

........................................................................................................................................................Switch Matrix 2-13

....................................................................................................................................................Volume Control 2-13

..........................................................................................................................................................Headphones 2-13

Chapter 3, Diagnostics

.............................................................................................................................................................Diagnostic Tests 3-1

.....................................................................................................................................................Entering Diagnostics 3-1

.....................................................................................................................Display and Control Panel Buttons 3-2

..............................................................................................................................................................Test Results 3-2

..................................................................................................................................................Diagnostic Test Modes 3-2

.................................................................................................................................................................Run Once 3-2

.........................................................................................................................................................................Loop 3-2

..............................................................................................................................................................Continuous 3-2

.......................................................................................................................................................Description of Tests 3-3

.....................................................................................................................................................SDRAM Refresh 3-3

.............................................................................................................................................................MIDI UART 3-3

..........................................................................................................................................................Internal Flash 3-3

.......................................................................................................................................................MARA Validity 3-3

................................................................................................................................................MARA Delay RAM 3-4

...............................................................................................................................................MARA Sound ROM 3-4

.........................................................................................................................................................Audio Output 3-4

.........................................................................................................................................................Scanner DIAG 3-5

.........................................................................................................................................Scanner DIAG tests 3-5

...........................................................................................................................................................Burn-in Loop 3-6

Chapter 4, Disassembly/Assembly

...................................................................................................................................................................Introduction 4-1

...................................................................................................................................Notes, Cautions, Warnings 4-1

................................................................................................................................................Cables, Connectors 4-1

..............................................................................................................................Required Tools and Materials 4-1

........................................................................................................................................................Opening the CUP2 4-2

CUP2 Service Manual