Kurzweil Mark Pro 2i User Manual

Mark PRO 2i
Service Manual
2007 All rights reserved. Kurzweil is a product line of Young Chang Co.; Kurzweil is a trademark of Young Chang Co. All other products
and brand names are trademarks or registered trademarks of their respective companies.
Product features and specifications are subject to change without notice.

Kurzweil Mark Pro 2i Specifications

General

Type	Digital Piano
Number of Keys	88
Key Action	Weighted Hammer Action
Effects	Reverb, Chorus
Connectivity	MIDI In/Out, USB, Headphone Jack
Polyphony	64 notes
Amplification	Built-in stereo amplifier and speakers

Summary

Important Safety and Installation Instructions

Radio and Television Interference

Guidelines and warnings for managing radio and television interference.

Chapter 1 Introduction

Mark Pro 2i Overview and Panel Features

Introduces the unit, rear panel, and front panel layout and controls.

Front Panel Controls and Power Operations

Details front panel controls and the unit's power on/off procedure.

Chapter 2 Mark Pro 2i Assembly

Introduction, Cables, and Connectors

Assembly introduction, cable types, and handling precautions.

Installation and Parts Check

Steps for unit installation, parts verification, and stand assembly.

Side Panel and Pedal Assembly

Instructions for attaching side panels and the pedal box.

Rear Panel Assembly and Main Unit Installation

Procedures for rear panel assembly and mounting the main unit.

Disassembling the Main Unit

Step-by-step guide for disassembling the unit's covers and panels.

Removing Internal Boards

Procedures for removing the Scanner Board and Amp Board.

Replacing Internal Boards

Guidance on replacing Front Panel Board and Engine Board.

Chapter 3 Diagnostics

Diagnostic Tests Overview and Entry

Lists available tests and explains how to enter diagnostic mode.

Diagnostic Test Modes and Results

Details test modes, results interpretation, and specific test descriptions.

Chapter 4 Troubleshooting

Cable and Connector Troubleshooting

Guidance on handling and troubleshooting cables and connectors.

Boot Block Operations and System Updates

Using the boot loader for diagnostics, resets, and installing updates.

Resets, Software, and File Formats

Procedures for hard resets, software updates, and file format requirements.

Battery Replacement and Scanner Tests

Steps for battery replacement and performing unit scanner tests.

Specific Troubleshooting: Power, Audio, Front Panel

Troubleshooting common issues like no audio or non-functional front panel controls.

Specific Troubleshooting: Keyboard and Pedals

Diagnosing keyboard problems and switch pedal responses.

Chapter 5 Parts Lists

Introduction and Board-Specific Parts

Overview of parts lists, including Engine, Scanner, Audio, Front, and Headphone boards.

Chapter 6 Schematics

Engine Board Micro Processor Interface

Schematic detailing the interface of the Engine Board's microprocessor.

Engine Board DRAM, Level Shifter, MARA

Schematics for DRAM, level shifting, and MARA components on the Engine Board.

Engine Board Sound ROM, UART, USB, BRIDGE, Power, Clock, PLL

Schematics for sound ROM, communication interfaces, power, and clock circuits.

Scanner Board Interfaces

Schematics illustrating the Scanner Board's 38869 and Front Panel interfaces.

Front Board and Pedal Interfaces

Schematics showing the Front Board's left and right panel interfaces.

Amp Board Engine IO and MIDI Connections

Schematic for the Amp Board's engine I/O and MIDI IN/OUT ports.

Amp Board Audio Outputs and Headphone

Schematic for the Amp Board's speaker, line, and headphone output circuits.