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Item

Code No.

Parts Name

Specification

Q R

Main PCB

1

6922 8720

Main PCB ass'y M607MA1,2M

M111832*1

1 B

LSI1

2011 8057

LSI

MSM6521-13

1 A

IC1

2114 3269

IC

AN8053N

1 A

T1

2253 0448

Transistor

2SD1858Q,R-TV6-T

1 A

T2 - T5

2220 1387

Transistor

2SC1740SQ-TP-T

4 B

D1

2390 0371

Diode

DSK10B-BT-T

1 B

D2

2390 1323

Diode

RB100A-T32-T

1 B

D3

2360 1519

Zener diode

MTZJ6.8A-T77-T

1 A

D4/5

2390 1344

Diode

1SS133T-77-T

2 B

XL1

2590 0742

Ceramic oscillator

EFO-GC2175C3

1 B

J1

3501 3731

Power jack

HEC2305-01-250

1 A

J2

3501 4382

Jack

HSJ2000-01-010

1 B

LED PCBs

2

6922 6890

LED PCB ass'y M605-LM1M

M211795*1

1 C

2370 1043

LED

KR3301X-J171K

19 B

3

6922 6900

LED PCB ass'y M605-LM2M

M211796*1

1 C

2370 1050

LED

KR3302X-J173K

13 B

Mechanical Parts

4

4317 5081

Blank PCB JCM605-KY1

M211780A-1

1 C

5

3831 0378

Speaker

EAS-8P149BD

1 B

6

6922 8850

Rubber button

M211778-2

1 B

7

6909 5890

Slide contact

CSB-12D

1 B

8

6922 6930

Slide knob

M311280-4

1 B

9

6906 7203

Black key set, LNM32

M110553C-3

1 A

10

6922 6760

White key set, LNM32

M117817-1

1 A

11

6917 1080

Key contact rubber

M310878-1

1 A

12

6906 7311

Battery cover

M312197A*2

1 B

Accessories

6922 8890

Mic. holder

M312227-1

1 B

6922 8881

Mic. holder base

M312242A*1

1 B

6923 2300

Microphone

4110-072-0-01

1 B

6925 4630

Console sheet

M240480A-2

1 B

   Notes:     Q –  Used quantity

R –  Rank

— 11 —

Summary of Contents for ML-3

Page 1: ...13 PIPE ORGAN 14 JAZZ ORGAN 15 ACCORDION 21 FLUTE 22 CLARINET 23 TRUMPET 24 HARMONICA 25 VIOLIN 31 BRASS ENS 32 SYNTH BRASS 33 STRINGS 34 SYNTH STRINGS 35 CHORUS 41 ELEC GUITAR 42 JAZZ GUITAR 43 VIBR...

Page 2: ...CONTENTS Specifications 1 Block Diagram 2 Circuit Description 3 Troubleshooting 5 Schematic Diagrams 6 PCB View and Major Waveforms 9 Exploded View 10 Parts List 11...

Page 3: ...lody Guide Built In Speaker 8 0 cm dia 1 0 W Input Rating 1 pce Terminals Mic Jack Input Impedance 20 k AC Adapter Jack DC 7 5 V Power Source DC 5 AA size dry batteries Battery life Approx 4 hours SUM...

Page 4: ...3N IC1 Mic amp T4 T5 Speaker CPU MSM6521 13 LSI1 LEDs LX0 LX3 LY0 LY7 Power Supply Circuit T1 D3 VDD 5 6V AVDD 5 6V Filter T3 Mic input BLOCK DIAGRAM Nomenclature of Keys F 3 G 3 A 3 C 4 D 4 F 4 G 4 A...

Page 5: ...KI2 KI3 KI4 KI5 KI6 KI7 KO0 F3 F 3 G3 G 3 A3 A 3 B3 C4 KO1 C 4 D4 D 4 E4 F4 F 4 G4 G 4 KO2 A4 A 4 B4 C5 C 5 D5 D 5 E5 KO3 F5 F 5 G5 G 5 A5 A 5 B5 C6 KO4 Volume Down Volume Up Light On Off KO5 Tone 1 R...

Page 6: ...al input Power OFF 0 V Power ON 5 V 28 AVDD In 5 V source for the built in DAC 29 OUT Out Sound waveform output 30 AGND In Ground 0 V source for the built in DAC 31 38 KI0 KI7 In Input terminal for ke...

Page 7: ...rned on Pins 39 46 should provide pulses Pin 29 should have a sound signal when a key is pressed Oscillator XL1 Pins 20 and 21 of the CPU should receive an ocsillation signal Keyboard LEDs don t light...

Page 8: ...6 SCHEMATIC DIAGRAMS JCM605 KY1M...

Page 9: ...7 JCM605 LD2M JCM605 LD1M...

Page 10: ...8 4 6 3 6 1 2 5 5 JCM607 MA1M MA2M...

Page 11: ...und signal output MSM6521 13 pin29 Power amp output AN8053N pin 1 1 2 1 2 Key scan signal KO0 MSM6521 13 pin39 Key scan signal KO7 MSM6521 13 pin46 5 Mic amp input 6 Mic amp output T4 Emitter 5 6 PCB...

Page 12: ...10 8 9 10 6 7 5 11 4 3 2 12 R 1 R 2 R 3 1 EXPLODED VIEW...

Page 13: ...ur spare parts department if you need these parts for refurbish 1 Prices and specifications are subject to change with out prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK for...

Page 14: ...6890 LED PCB ass y M605 LM1M M211795 1 1 C 2370 1043 LED KR3301X J171K 19 B 3 6922 6900 LED PCB ass y M605 LM2M M211796 1 1 C 2370 1050 LED KR3302X J173K 13 B Mechanical Parts 4 4317 5081 Blank PCB J...

Page 15: ...MA0700361A...

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