Kurzweil Mark Pro 2i, Service Manual

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2
Contents
MARK PRO 2I
...................................................................................................................................1
IMPORTANT SAFETY & INSTALLATION INSTRUCTIONS
............................................2
CONTENTS
.........................................................................................................................................2
CHAPTER 1 INTRODUCTION
......................................................................................................4
Introduction to Mark Pro 2i .........................................................................................................................................................5
Mark Pro 2i Rear Panel
.........................................................................................................................................................5
Rear Panel Features ..............................................................................................................................................................5
Mark Pro 2i Front Panel
........................................................................................................................................................6
Front Panel Features .............................................................................................................................................................7
Power On. Off. .........................................................................................................................................................................9
CHAPTER 2 MARK PRO 2I ASSEMBLY
................................................................................ 10
Introduction .................................................................................................................................................................................10
Cables, Connectors .............................................................................................................................................................10
Installation....................................................................................................................................................................................11
Checking the Parts ..............................................................................................................................................................11
Check that you have all the parts below before you start assembling. .................................................................11
Assembling the Stand .........................................................................................................................................................12
Disassembling the Main set ..............................................................................................................................................15
Check the 5 steps below before you start disassembling.
.......................................................................................15
Removing the Scanner Board
...........................................................................................................................................18
Removing the Amp Board ..................................................................................................................................................20
Removing the Front Panel Board .....................................................................................................................................21
CHAPTER 3 DIAGNOSTICS
....................................................................................................... 25
Diagnostic Tests.............................................................................................................................................................................25
Entering Diagnostics....................................................................................................................................................................26
Diagnostic Test Modes ..................................................................................................................................................................27
Run One Test
.........................................................................................................................................................................27
Run Burn Test .......................................................................................................................................................................27
Test Results
...........................................................................................................................................................................28
Description of Tests ............................................................................................................................................................28
ROM .........................................................................................................................................................................................28
RAM .........................................................................................................................................................................................28
Sine Wave
..............................................................................................................................................................................29
NVRAM ....................................................................................................................................................................................30
CHAPTER 4 TROUBLESHOOTING
......................................................................................... 31
Introduction..................................................................................................................................................................................31
Cables, Connectors .............................................................................................................................................................31
Boot Block ..................................................................................................................................................................................31
Entering the Boot Block .....................................................................................................................................................31
Hard Reset
.............................................................................................................................................................................33