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Korg KRONOS 61 User Manual

Korg KRONOS 61
74 pages
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MUSIC WORKSTATION
KRONOS&KRONOS X
-61/73/88
SERVICE MANUAL
TABLE OF CONTENTS
ASSEMBLY SKETCH : 2
BLOCK DIAGRAM: 8
SCHEMATIC DIAGRAM: 10
TEST MODE:35
PARTS LIST: 50
APPENDIX
1. PSoC System loading: 53
2. Notes in assembly: 54
3. Add LCD Spacer(-73/88): 66
4. Replacement [VALUE] dial: 67
5. Remodeling to change mother board
from D510MO to D525MW: 68
Issued: Oct. 12, 2012
Ver. 2.0
©2012 KORG INC.
Additional models
KRONOS(K4 ),KRONS X
KRONOS X(Erp)
Page with the revised
2 6: Add Model to Parts List
7: Add page of parts list & AC inlet
9:Block diagram of the models added
14 17,21,24,26: Adding a revised
schematic
33,34: Add page of new PCB.
35: Added model to the title
37: Revised Fan control.
46: Revised Keyboard select
49,48: Add page of Auto Power off
51 53: Added model to parts list.

Table of Contents

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Korg KRONOS 61 Specifications

General IconGeneral
MIDIIn, Out, Thru
TypeWorkstation
Keyboard61-key, Semi-weighted
Sound Engines9
PolyphonyVaries by engine, up to 200 voices
Effects12 Insert, 2 Master
Sequencer16-track MIDI
SamplingOpen Sampling System
Display8-inch color touchscreen
Storage62GB SSD, USB flash drive support
ControllersJoystick, Ribbon controller
Audio OutputsL/MONO, R, Individual 1-4
USBUSB (A, B)
ConnectivityEthernet
Weight14.3 kg
Power SupplyAC 100-240V, 50/60Hz

Summary

KRONOS & KRONOS-X Test Mode

How to Enter Test Mode

Instructions for accessing static test modes using switch combinations.

Basic Operation Guide

Explanation of navigation symbols and button functions within the test mode.

Appearance Check

Visual inspection procedure for the unit's exterior, including case, knobs, and printing.

Preparation and LCD Flicker Check

Steps for preparing the unit and checking LCD behavior, including USB and MIDI connections.

Sound Check

Procedure to test audio output by playing keys and checking for abnormalities.

System and Component Checks

LCD Color Check

Verifying LCD color output and rotary encoder response.

System Version Check

Confirming the displayed software version is the latest available.

Internal Inspection Check

Verifying the status of MIDI, Battery, USB, and Keybed components.

Memory Size Verification

Confirming the implemented memory size displayed for KRONOS models.

Key Count and Date/Time Check

Verifying the displayed number of keys and current date/time.

Control and LED Checks

Fan Control

Checking fan speed control and RPM value behavior.

All LED Check

Verifying all LEDs turn on and have uniform brightness.

Panel Switch and LED Check

Confirming panel switches activate corresponding LEDs as per the table.

LCD Display Checks

All Segments White

Verifying all LCD segments display white and checking for dust.

All Segments Black

Verifying all LCD segments display black and checking for dust.

Gradation Check

Checking the screen's display gradation from top to bottom for abnormalities.

Brightness Check

Confirming that the LCD brightness changes periodically.

LCD Display Checks

Touch Panel Calibration

Procedure for calibrating the touch panel using stylus pen and specific screen prompts.

LCD Display Checks

Touch Function Check

Verifying touch screen responsiveness and color changes when interacting with squares.

LCD Display Checks

Buzzer Check

Confirming the buzzer sound is not too quiet during operation.

Analog-to-Digital Converter Checks

Ribbon Controller Check

Testing ribbon controller movement (MAX, CENTER, MIN) and RAW value.

Joystick X-Axis Check

Verifying joystick movement (RIGHT, CENTER, LEFT) and smooth operation.

Analog-to-Digital Converter Checks

Joystick Y-Axis Check

Testing joystick movement (UP, CENTER, DOWN) and smooth operation.

Vector Joystick Check

Verifying vector joystick movement (CENTER, RIGHT, LEFT, UP, DOWN) and smooth operation.

Rotary and Slide Volume Check

Testing rotary knobs and sliders for smooth operation and correct value display.

Analog-to-Digital Converter Checks

Rotary Encoder Check

Testing rotary encoder rotation, value changes, and reset function.

Tempo Volume Check

Testing tempo knob rotation for CENTER, MAX, and MIN positions.

Pedal Check

Testing EXP-2, DS-1H, and PS-2 pedals for MIN, CENTER, MAX, and FootSwitch functions.

Keyboard Checks

Velocity Check

Testing key touch sensitivity (medium, hard, soft) and checking for mechanical noise.

Keyboard Select Function

Verifying the selection of keyboard types (Normal, KDP1) on the LCD screen.

Keyboard Checks

After Touch Check

Testing after touch response for C4/C#4 keys and checking specific value ranges.

Auto Power Off Setting and Confirmation

Setting ErP Capability

Selecting ErP capability (ON/OFF) based on serial number and instructions.

Appendix

PSoC System Loading

Procedure for loading the PSoC system after exchanging the main board or IC.

Side Panel Assembly

Side Panel-L Assembly

Instructions for assembling the left side panel, including screws and torque.

Side Panel-R Assembly

Instructions for assembling the right side panel, including screws and torque.

Power Unit Assembly

61-Key Dedicated Power Unit Assembly

Assembly steps for the 61-key model's power unit, including screws and torque.

73/88-Key Dedicated Power Unit Assembly

Assembly steps for the 73/88-key model's power unit, including screws and torque.

Mother Board Assembly

Mother Board Assembly for 73/88 Keys

Assembly steps for the mother board specific to 73/88 key models.

Mother Board Assembly for 61 Keys

Assembly steps for the mother board specific to 61 key models.

Panel PCB Assembly

Vector Joystick PCB Installation

Steps for installing the Vector Joystick PCB, including orientation and screws.

Encoder PCB Installation

Steps for installing the Encoder PCB, ensuring correct positioning and alignment.

Fan and AC Inlet Assembly

Power Cable Assembly

Jack PCB Assembly

Jack Cable Assembly

Keyboard and Bottom Cover Assembly

73/88-Key Keyboard and Bottom Cover Assembly

Touch Panel Measures Assembly

LCD Spacer Installation

Procedure for adding an LCD spacer to prevent contact between the LCD hood and touch panel.

Value Dial Replacement Procedure

Mother Board Remodeling (D510MO to D525MW) - Part 1

Motherboard Assembly and DIMM/Harness Connection

Steps for installing the motherboard, mounting DIMM, and connecting harnesses.

Mother Board Remodeling (D510MO to D525MW) - Part 2

Instrument Assembly and Harness Routing

Connecting and routing various harnesses (power, FAN, etc.) to the motherboard and panel.

Mother Board Remodeling (D510MO to D525MW) - Part 3

Shield Sheet Assembly

Instructions for applying double-faced tape to shield seats and bending them for installation.

Mother Board Remodeling (D510MO to D525MW) - Part 4

Motherboard Assembly and DIMM/Harness Connection

Steps for installing the motherboard, mounting DIMM, and connecting harnesses for 73/88 keys.

Mother Board Remodeling (D510MO to D525MW) - Part 5

Instrument Assembly and Harness Routing

Routing harnesses and connecting power supply components for the instrument.

Mother Board Remodeling (D510MO to D525MW) - Part 6

Shield Sheet Assembly

Instructions for pasting MB Shield and PWR Shield to the chassis of RH3.

Mother Board Remodeling (D510MO to D525MW) - Part 7

Shield Sheet Assembly

Instructions for pasting MB Shield and PWR Shield to the chassis of RH3 for KRONOS-88.

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