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ELECTRONIC KEYBOARD

ML-3

ML-3

SONG BANK

25 TONES

TEMPO

TONE

RHYTHM

SEL.

1

2

3

4

VOLUME

MELODY GUIDE

PLAY

DEMO

ANY-KEY PLAY

MODE

5

LIGHT ON/OFF

1

POPS

WALTZ

ROCK

8 BEAT

16 BEAT

DISCO

SLOW ROCK

FUNK

SWING BOSSA NOVA

SAMBA

MARCH

RHYTHM

SONG

2

3

4

5

6

7

8

9

10

1

10

POWER OFF

11 PIANO
12 ELEC PIANO
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 VIBRAPHONE

44 CHURCH BELLS
45 BELLS
51 SYNTH-REED
52 WAW VOICE
53 METAL LEAD
54 ROCK DRUM
55 S.E.

 1 FRÈRE JACQUES
 2 JOY TO THE WORLD
 3 OLD MacDONALD HAD A FARM
 4 TWINKLE TWINKLE LITTLE STAR
 5 MINUET(J.S.BACH )
 6 LONDON BRIDGE
 7 MICHAEL
 8 MARY HAD A LITTLE LAMB
 9 THE CAMPTOWN RACES
10 ODE TO JOY

STOP

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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