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Korg i5S - Service Manual

Korg i5S
66 pages
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Table of Contents

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Korg i5S Specifications

General IconGeneral
BrandKorg
Modeli5S
CategoryMusical Instrument
LanguageEnglish

Summary

1. Specifications

2. Full View

3. Disassembly

1. Whole Assembly

Detailed steps for disassembling the entire unit.

2. Lower Case Assembly

Instructions for disassembling the lower case of the unit.

3. Upper Case Assembly (1;2)

Steps for disassembling the upper case (part 1 of 2).

4. Upper Case Assembly (2;2)

Steps for disassembling the upper case (part 2 of 2).

5. Power Supply Unit Assembly

Instructions for disassembling the power supply unit.

6. SW. Knob Setting

Diagram showing the setting and placement of control knobs.

4. Block Diagram

5. Circuit Diagram

6. P.C. Board

KLM-1865 A (Component Side)

Component layout diagram for the main PCB (component side).

KLM-1865 A (Soldering Side)

Component layout diagram for the main PCB (soldering side).

7. Test Mode

Internal test item

Details on internal diagnostic tests for system components.

External test item

Procedures for conducting external diagnostic tests.

FDD test

Specific tests for the floppy disk drive functionality.

8. Reference Data

Hardware Specifications

Summary of the device's hardware specifications.

Main ICs

List and specifications of the main integrated circuits used.

UPD70433 GD-5 BB(CPU) Pin Assignment

Pin assignment details for the CPU.

MB87 A104 APF-G-BND (TGL2) Pin Assignment

Pin assignment details for the TGL2 chip.

MB622 E15 (MAP55 A) Pin Assignment

Pin assignment details for the MAP55A chip.

HD63266 F (FDC) Pin Assignment

Pin assignment details for the FDC chip.

TMP87 C847 U-4322 (FKS) Pin Assignment

Pin assignment details for the FKS chip.

MB89635 RP-G-167-SH (FPS) Pin Assignment

Pin assignment details for the FPS chip.

TDA1305 T(DAC) Pin Functions

Pin functions for the DAC chip.

9. Check Points

1. Clock Circuit CPU;TGL2 A

Checks for the CPU and TGL2A clock circuit signals.

2. CPU - FDC

Checks for the CPU and FDC signals.

3. CPU MAP55 A

Checks for the CPU and MAP55A signals.

4. TGL2 A - DAC

Checks for TGL2A and DAC signals.

5. TGL2 A - DAC

Checks for TGL2A and DAC signals (LRCK).

6. TGL2 A - DAC

Checks for TGL2A and DAC signals (BCK).

7. Reset - CPU;MAP55 A;SRAM

Reset signal checks for CPU, MAP55A, and SRAM.

8. CPU - TGL2 A

Reset signal check for CPU and TGL2A.

9. CPU - FKS

Reset signal check for CPU and FKS.

10. CPU - FDC

Signal checks for CPU and FDC.

11. CPU - FPS

Reset signal check for CPU and FPS.

12. TGL2 A - DAC

Waveform checks for TGL2A and DAC.

10. Harnesses

11. Wave ROM Sound List

12. For Drum Sounds

13. Parts List

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