Casio MZ-2000- Manuals

Page 2 - CONTENTS; Page; SPECIFICATIONS; GENERAL; Interface

— 1 — CONTENTS Page Specifications ............................................................................................................................................ 1Block Diagram ................................................................................................................

Page 4 - ELECTRICAL; Maximum volume; About General MIDI; Floppy Disk Drive

— 3 — ELECTRICAL Current drain with 16 V DC: No sound output 810 mA ± 20 % Maximum volume 2000 mA ± 20 % Condition : 1KHz-Sin wave by which the speaker output level becomes 2,737V is input from Line-in. Speaker output level (Vrms with 4 Ω load each channel): with key G1(L), F3(R) Lch : 7700 mV ± 20 ...

Page 5 - BLOCK DIAGRAM; After Sensor; DSP; Filter; Amp Circuit; MA2M PCB; LINE OUT; M I D I; Console PCB; LCD Controller; Gate Array; CPU

— 4 — BLOCK DIAGRAM Bender Wheel Power Switch After Sensor Console LED Sensor Circuit HOST IN OUT EXP. PEDAL key board Key Controller TC190C020AF-001 LSI1 Power Amp TA8233BH IC302 DSP (Effect) UPD914GM-3ED LSI2 UPD914GM-3ED LSI3 Speaker D/A Converter PCM69BU IC2 Filter MAIN Volume BYPASS ON BYBASS S...

Page 6 - CIRCUIT DESCRIPTION; KEY MATRIX

— 5 — CIRCUIT DESCRIPTION KEY MATRIX BUTTON MATRIX 0 1 2 3 4 5 6 7 KS00 MODE INTERACTIVE... SPLIT POINT VARIATION 1 VARIATION 2 VARIATION 3 VARIATION 4 KS01 rit. FADE-IN/OUT INTRO 1 INTRO 2 ENDING 1 ENDING 2 ACC/DISK ▼ TEMPO ▼ KS02 FILL-IN BACK PATTERN SEQ. FILL-IN NEXT BREAK SYNC. St/St Start/Stop ...

Page 7 - KS14 STRINGS/ORCH ENSEMBLE SOLO BRASS

— 6 — 0 1 2 3 4 5 6 7 KS10 REVERB CHORUS MASTER DSP 1 DSP 2 DSP 3 DSP 4 KS11 MIDI HELP DEMO DISK KS12 ARPEGGITOP LOWER 1 UPPER 1 AUTO HARMO. LOWER 2 UPPER 2 SUSTAIN KS13 PIANO ELEC PIANO CHROMATIC P. ORGAN ACCORDION GUITAR BASS KS14 STRINGS/ORCH ENSEMBLE SOLO BRASS BRASS SAX CLARINET FLUTE KS15 SYNT...

Page 8 - LEDT1-3 ARPEGGITOR AUTO HARMO. LOWER 1 LOWER 2

— 7 — LED MATRIX Note: Each key has two contacts, the first conatct (1) and second contact (2). NOMENCLATURE OF KEYS Key Second contact (2) First contact (1) FI KC SI C2 C#2 D#2 F#2 G#2 A#2 C#3 D#3 F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5 C#6 D#6 F#6 G#6 A#6 D2 E2 F2 G2 A2 B2 C3 D3 E3 F3 ...

Page 9 - Name

— 8 — POWER SUPPLY CIRCUIT The power supply circuit generates seven voltages as shown in the following table. VDD voltage is alwaysgenerated. The others are controlled by APO signal from the CPU. RESET CIRCUIT When batteries are set or an AC adapter is connected, the reset IC provides a low pulse to...

Page 10 - AFTER SENSOR ADJUSTMENT; AFTER TOUCH SENSOR ADJUSTMENT; the CPU which apply an after touch effect to the sound.; Replacement of after touch sensor; ) Remove the tip of after touch sensor from connector on PCB SN1M.

— 9 — AFTER SENSOR ADJUSTMENT 1. AFTER TOUCH SENSOR ADJUSTMENT After touch sensor (code number: 1001 2063) is composed of felt, upper and lower electrodesheets, and both sided adhesive tape. Silicon spacer maintains a certain gap between the upperand the lower electrodes.Silver and carbon are printe...

Page 11 - After touch sensor adjustment; • Voltage regulator; FIG.3 The relation between the pressure and the output voltage

— 10 — 4. After touch sensor adjustment Make sure to perform the following adjustments after replacing after touch sensor. 4-1. Necessary equipment • Voltage regulator • Oscilloscope • Push-pull gauge (measurable up to 2,000 grams) • Screw driver 4-2. Adjustment overview Fig. 3 explains the relation...

Page 14 - DIAGNOSTIC PROGRAM; To enter diagnostic mode

— 13 — DIAGNOSTIC PROGRAM ■ To enter diagnostic mode 1. While pressing down "PATTERN SEQUENCER" and "MODE" buttons, press"POWER" button for turning on. 2. The instrument is set in diagnostic mode and start LED check automatically. ■ LED check 1. Check the LEDs illuminate in t...

Page 15 - and display indicates as follows.

— 14 — 2. Press buttons in the following order. When the pressed button functions properly, a pip sounds and display indicates as follows. ASSIGNABLE [SW ][E2][00][00] VARIATION 1 [SW ][03][01][00] VARIATION 2 [SW ][02][01][00] VARIATION 3 [SW ][01][01][00] VARIATION 4 [SW ][00][01][00] BACK [SW ][D...

Page 17 - Sustain pedal check; Connect MIDI IN and MIDI OUT terminals with a MIDI cable.; Host select switch; Change the Host select switch in order of PC2; FDD check

— 16 — ■ Sustain pedal check 1. Connect the Sustain pedal(SP-2 or SP-10, option). 2. Depress and release the pedal. 3. When the sustain circuit is normal, display indecates "Foot Pedal 00 - 7F[OK]. ■ MIDI IN/OUT test 1. Connect MIDI IN and MIDI OUT terminals with a MIDI cable. 2. Press "MIDI...

Page 18 - PRINTED CIRCUIT BOARDS; Top view

— 17 — PRINTED CIRCUIT BOARDS Main PCB JCM765-MA1M Top view Bottom view

Page 20 - SCHEMATIC DIAGRAMS

Page 30 - EXPLODED VIEW

— 29 — EXPLODED VIEW 17 28 R-1 25 27 43 30 41 27 23 22 28 26 39 40 34 35 33 37 38 32 29 28 42 36 45 44 18 8 18 14 52 51 R-2 R-3 R-5 R-6 R-8 R-8 R-7 R-4 6 7 46 4 4 19 3 20 21 3 19 5 4 3 5 3 50 49 2 53 1 16 15 48 47 48 47 12 13 9 11 10 27 27 22 28 27 27 26 24 28 31 28 27 24

Page 31 - This parts list does not include the cosmetic parts, which; PARTS LIST

— 30 — Notes: This parts list does not include the cosmetic parts, which p a r t s a r e m a r k e d w i t h i t e m N o . " R - X " i n t h e e x p l o d e dview.C o n t a c t o u r s p a r e p a r t s d e p a r t m e n t i f y o u n e e d t h e s eparts for refurbish. 1. Prices and specifi...

Page 35 - Overseas Service Division

CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F5-25, Nishi-Shinjuku 7-ChomeShinjuku-ku, Tokyo 160-0023, Japan