Korg MS-10 Service Manual

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i
MONOPHONIC
SYNTHESIZER
SERVICE
MANUAL
MS-10
CONTENTS
1
SPECfFiCATIONS
2
2. STRUCTURAL
DIAGRAM 3
3
CIRCUIT
DIAGRAM
4
A. PRIfsiTED CIRCUIT
BOARD KLM-126B 5
6
PARTS LIST
(Mecf>anical parts not
listed) 6
6 BLOCK DIAGRAM 7
7. ADJUSTMENT PROCEDURE
8
KEIO ELECTRONIC
LABORATORY CORPORATION
TOKVO/JAPAN

Korg MS-10 Specifications

General

Type	Monophonic Analog Synthesizer
Oscillators	1 VCO
Year Released	1978
Waveforms	Sawtooth, Square
Envelope Generator	ADSR
LFO	1 LFO
Control Inputs/Outputs	CV/Gate
Audio Output	1/4" jack
Filter	Lowpass Resonant Filter
Keyboard	32-note keyboard

Summary

1. SPECIFICATIONS

CONTROL SECTION

Details of control section components and functions.

PATCH PANEL SECTION

Details of patch panel section components and functions.

2. STRUCTURAL DIAGRAM

3. CIRCUIT DIAGRAM

4. PRINTED CIRCUIT BOARD KLM-126B

5. PARTS LIST

6. BLOCK DIAGRAM

7. ADJUSTMENT PROCEDURE

7-1 Power supply check

Verifies power supply ripple and polarity parameters.

7-2 Pitch adjustment

Tunes the VCO pitch to ensure accurate musical intervals.

7-3 KBD CV adjustment

Adjusts keyboard voltage output for correct pitch scaling.

7-4 VCF Fc adjustment