Casio Electronic Keyboard M 300 Users Manual S/M
M-300 to the manual 0caa5b4d-2375-4b14-a1e4-101b5b9d0c27
2015-01-21
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(with price) M-300 M-300 INDEX ELECTRIONIC KEYBOARD CONTENTS Specification .................................................................... 2 Block Diagram ................................................................. 3 Circuit Description ........................................................... 3 PCB View and Major Waveforms .................................... 5 Schematic Diagrams ....................................................... 6 Exploded View ................................................................. 8 Parts List ......................................................................... 9 SPECIFICATIONS General Number of Keys: Polyphonic: Preset Tones: Preset Effects: Preset Phrases: Demonstration Tunes: Function Dial: Built-In Speaker: Power Source: 32 4-note 8 6 4 6 Magical sound dial 8 cm dia. 1.0 W Input Rating: 1 pce. 5 AA size dry batteries Battery life: approx. 6 hours (SUM-3/R6P) 1.5 W 58 x 439 x 205 mm (2-1/4 x 17-1/4 x 8-1/16 inches) 0.99 kg (2.2 lbs) including batteries Power Consumption: Dimensions (HWD): Weight: Electrical Current Drain with 7.5 V DC: NoSound Output Maximum Volume with keys G3, A3, B3 and C4 pressed in Street Organ tone, Volume; Maximum Speaker output level at 4 Ω load: with key C4 pressed in Street Organ tone Volume; Maximum Minimum Operating Voltage: 33 mA +/-20% 170 mA +/-20% 640 mV +/-20% 5.0 V Nomenclature of Keys F#3 G#3 A#3 F3 G3 A3 B3 C#4 D#4 C4 D4 E4 F#4 G#4 A#4 F4 G4 A4 B4 —2— C#5 D#5 C5 D5 E5 F#5 G#5 A#5 F5 G5 A5 B5 C6 BLOCK DIAGRAM KO0 ~ KO8 KI0 ~ KI7 CPU Amplifier AN8053N IC101 Filter Q101 MSM6387-22 LSI101 Speaker VDD Keyboard AVDD Oscillator Q102, X101 Buttons CIRCUIT DESCRIPTION Key Matrix KI0 KI1 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 Piano Street organ Trumpet Flute Violin Woodbass Volume Up Train Car Quiz Cheer Animal Stop Siren Horror Country western Carnival Rap Song 4 Song 5 Song 6 KO4 Music box Glass harp Volume Down KO5 KO6 KO7 KO8 Dial SW-A Dial SW-B Dial WS-C Song 1 Song 2 Song 3 Song 1: Twinkle Twinkle Little Stars Song 2: Pop Goes the Weasel Song 3: Lullaby (Brahms) Song 4: Old MacDONALD Had a Farm Song 5: Clap Your hands Song 6: O Christmas Tree —3— CPU (LSI101: MSM6387-22) Containing a sound data ROM and a DAC (Digital to Analog Convertor), the CPU provides sound waveform in accodance with the pressed key and the selected tone. The following table shows the pin functions of LSI101. Pin No. Terminal In/ Out Function 1, 2 TEST1, TEST2 3 RESET In Power ON reset terminal. On: +5 V 4 AVDD In +5 V sorce for the built-in DAC 5 OUT Out 6 AGND In Ground (0 V) source for the built-in DAC 7 GND In Ground (0 V) source 8 COSI In 21.725 MHz clock pulse input 9 COSO 10 VDD In +5 V source 11 ~ 18 KI0 ~ KI7 In Input terminals from keys and switches 19, 20 KO11, KO10 21 ~ 30 KO9 ~ KO0 Not used. Connected to ground. Off: 0 V Sound waveform output Not used Not used Out Key and switch scan signal outputs Filter Block Since the sound signal from the CPU is a stepped waveform, the filter block is added to smooth the waveform. AVDD Q101 2SC1740SQ R2106 C106 AG R108 From CPU C108 C107 C109 R105 R104 To power amp R107 AG AG Amplifier/Voltage Regulator (IC101: AN8053N) VCC NC CONT 5V VREG NC NC NC PRE GND 16 15 14 13 12 11 10 The right figure shows the internal block of IC101. 9 5V REG POWER SP AMP VREF + 1 2 SPO NC —4— 3 4 SP GND PC-1 5 6 7 8 PC-2 SPI SPM VREF PCB VIEW AND MAJOR WAVEFORMS 6 2 3 1 7 5 4 1 C107 C104 125 C102 D101 C106 5 D108 D109 LED101 C103 IC101 No. D110 D111 D112 13 328 E 75 PS-BL L102 PZ-BK 75 D105 JCM547-MA1M A D105 D106 D107 R101 PZ-R 75 JA L101 PS-Q No. 3 JCM547-MA1MA 13 D102 R106 B R107 C108 D104 JA 1 R105 Q101 LSI101 R108 5 5 5 R110 75 75 75 75 C109 R130 C117 C116 C105 R129 C115 B Q102 E R123 R119 R118 R117 R116 R120 R121 R122 R124 R104 X101 C110 C114 R128 5 75 75 75 75 R125 R126 R127 R115 R114 R113 R112 R111 C111 MC101 J101 R102 195 A 50ns 2 1 A 2ms A 2ms CH1 4 A 2ms CH1 6 CH1 CH1 3 7 CH2 5 Px10 ˜ CH1 1V 1 Clock pulse COSI MSM6387-22 pin 9 CH2 Px10 Px10 ˜ CH1 . 1V CH2 . 1V˜ Px10 Px10 CH1 5V CH2 5V 2 Key scan signal KO0 MSM6387-22 pin 30 3 Key scan signal KO1 MSM6387-22 pin 29 4 Sound signal output MSM6387-22 pin 5 5 Filter output Emitter of Q101 Tone: Flute Key: A4 Volume: Maximum —5— Px10 Px10 CH1 . 1V˜ CH2 . 5V˜ 6 Power amp input AN8053N pin 6 7 Power amp output AN8053N pin 1 SCHEMATIC DIAGRAMS 1 2.2 0.9 0.3 6 4.8 7 1.9 2.6 4 2 5 6.8 3 5.0 —6— —7— EXPLODED VIEW 10 a 11 9 12 S-1 8 13 14 S-1 6 15 5 7 16 S-1 4 3 17-1 1 17 S-1 2 S-2 17-2 S-3 18 —8— PARTS LIST M-300 Notes: 1. Prices and specifications are subject to change without prior notice. 2. As for spare parts order and supply, refer to the "GUIDEBOOK for Spare parts Supply", published seperately. 3. The numbers in item column correspond to the same numbers in drawing. —1— PARTS LIST N Item 1 LSI101 IC101 Q101, Q102 D101 D102 D103 D104 ~ D112 J101 JA L101, L102 LED101 MC101 X101 2 D201 ~ D235 JB 2-1 N N N N N 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 17-1 17-2 18 S-1 S-2 S-3 Code No. Parts Name Electrical Parts 6923 3400 PCB ass'y JCM547-MA1M 2011 9387 LSI 2114 3269 IC 2220 1387 Transistor 2390 1323 Diode 2390 0371 Diode 2310 7848 Zener diode 2390 1344 Diode 3501 3731 Power jack 3719 4438 Ribbon cable 3841 1057 Common mode coil 2370 1106 LED 2845 0168 Module capacitor 2590 1897 Ceramic oscillator 6923 3410 PCB ass'y JCM574-KY1M 2390 1344 Diode 3719 4431 Ribbon cable 4317 5440 Blank PCB JCM547-CN1M Mechanical Parts 6906 7540 Rubber button, 6-contact 6923 0960 Rubber button, 9-contact 6923 3430 Rubber button, 3-contact 3831 0378 Speaker 6909 5890 Slide contact 6906 5442 Slide knob 6906 4374 Key set, NM 6923 4380 Dial 6923 4492 Upper case 6923 3061 Button 6923 3460 Contact rubber 6923 3520 Coupling 6917 1080 Key contact rubber 6917 3383 Key stopper 6923 4371 Lower case 6912 2630 Battery spring (-) 6345 2238 Battery spring (+) 6906 7261 Battery cover 0009 2682 Screw 0009 4589 Screw 0009 5573 Screw Notes: N – New parts M – Minimum order/supply quantity R – Rank —9— FOB Japan N.R.Yen R Unit Price Specification Q M240093*1 MSM6387-22 AN8053N 2SC1740SQ-TP-T RB100A-T32-T DSK10B-BT-T RD4.3ESB2-T1-T 1SS133T-77-T HEC2305-01-250 DF5H13080-8000M CM05RB01 MPR3338S-B99 CNB8X101K EFO-EN2175C4 M240094*1 1SS133T-77-T DF5H04105-80008000 M240092-2 1 1 1 2 1 1 1 9 1 1 2 1 1 1 1 35 1 1 1,650 440 110 13 29 11 12 3 30 26 63 20 58 60 450 3 15 49 B A A B B B B B A C C B C B B B C C M340025-2 M340024-2 M340023-1 EAS-8P149BD CSB-12D M311360-2 M411026D*1 M240024-2 M240044B*3 M340026-1 M340027-1 M340028-1 M310878-1 M42611C-3 M240045A*3 M42382-1 A42606B-1 M312197A*1 2.6 x 8 2.6 x 8 2.6 x 10 1 2 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 16 8 15 270 290 90 160 35 14 210 100 450 33 40 35 87 24 410 14 5 49 2 2 2 B B B B B A A C C C B C A C C B B B C C C Description of Capacitors A general description of capacitors is shown in the following table. The description consists of Type, Value, Rated Voltage and Tolerance. When you need a capacitor, please find a substitution in your country by yourselves referring to the description. Ref. No of Capacitor C102 C103 C104, C105 C106 C107 C108 C109 C110 C111 C113,C114 C115 C116 C117 Description Electrolytic, 100 µF, 16 V, ±20% Electrolytic, 470 µF, 10 V,±20% Electrolytic, 22 µF, 10 V,±20% Semiconductive, 0.027 µF, 50 V, ±10% Semiconductive, 3300 pF, 50 V, ±10% Semiconductive, 0.047 µF, 50 V, ±10% Semiconductive, 0.018 µF, 50 V, ±10% Electrolytic, 1 µF, 50 V,±20% Electrolytic, 100 µF, 6.3 V,±20% Ceramic, 0.1 µF, 50 V, +80/-20% Ceramic, 0.01 µF, 50 V, ±20% Ceramic, 8.2 pF, 50 V, ±10% Ceramic, 10 pF, 50 V, ±5% Description of Resistors A general description of resistors is shown in the following table. The description consists of Type, Value, Rated Wattage and Tolerance. When you need a resistor, please find a substitution in your country by yourselves referring to the description. Note: All resistors are carbon film, 1/5 watt, ±5% otherwise specified. Ref. No of Resistor R101 R102, R107, R108 R104 R105 R106, R111 ~ R127 R110 R128 R129 R130 Description 220 Ω 1 kΩ 3.9 KΩ 1.5 KΩ 2.2 KΩ 100 Ω 1.2 Ω 100 KΩ 150 Ω — 10 — 8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160, Japan Telephone: 03-3347-4926 May, 1995
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