Casio WK-1500 - Manuals - manualsarea.com

Page 2 - GENERAL

— 2 — CONTENTS Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3 - ELECTRICAL

— 3 — MIDI: 16-timbre multi-timbre receive (General MIDI Level 1) Built-in speakers: 12 cm diameter × 2 (output: 5 W + 5 W) Input/Output Jacks Power supply: 12 V DC Headphones: Stereo standard jack Output jacks: Output impedance: 100 Ω Output voltage 2.5 V (RMS) MAX Assignable Jack: Standard jack (s...

Page 4 - BLOCK DIAGRAM

— 4 — KC0 ~ KC7 SI0 ~ SI7 FI0 ~ FI7 Key Controller LSI107 HG52E35P Working Storage RAM (64K-bit) LSI105 SRM2264LM90-B KO1 ~ KO3 LED driver IC371 BA612 LS0 ~ LS7 Buttons KI1 ~ KI5 Power Switch IN EA0 ~ EA14 ED0 ~ ED7 DSP LSI102 HG51B115FD RA0 ~ RA19 RD0 ~ RD15 Sound Source ROM (16M-bit) LSI101 TC5316...

Page 5 - CIRCUIT DESCRIPTION; KEY MATRIX

— 5 — CIRCUIT DESCRIPTION KEY MATRIX KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7 FI0 E1 (1) F1 (1) F#1 (1) G1 (1) G#1 (1) A1 (1) A#1 (1) SI0 E1 (2) F1 (2) F#1 (2) G1 (2) G#1 (2) A1 (2) A#1 (2) FI1 B1 (1) C2 (1) C#2 (1) D2 (1) D#2 (1) E2 (1) F2 (1) F#2 (1) SI1 B1 (2) C2 (2) C#2 (2) D2 (2) D#2 (2) E2 (2) F2 (2) F...

Page 6 - POWER SUPPLY CIRCUIT

— 6 — Name Voltage For operation of VDD +5.2 V CPU, Reset IC, Working storage RAM, KO signal generator DVDD +5.3 V DSP, Key touch LSI, Sound source ROM, Effect RAM AVDD +5.1 V DAC, Filter LVDD +5.2 V LED Driver VCC +12 V Pilot lamp VC +12 V Power amplifier POWER SUPPLY CIRCUIT The power supply circu...

Page 11 - FILTER BLOCK

— 11 — Pin No. T e r m i n a l I n / O u t F u n c t i o n 1 REQB Out Not used. FI8 ~ FI10, SI8 ~ SI10 4 VCC In +5 V source 5 CRDB In Read enable signal input 6 CWRB In Write enable signal input 7 CCSB In Chip select signal input 8, 9, 11 T, STBY, W In Not used. Connected to +5 V. 1 0 RESB In Reset ...

Page 12 - RESET CIRCUIT; LED DRIVING

— 12 — VDD Battery set RESET CPU LSI14 HD6433294A19F Reset IC IC13 RH5VL36AA Working Storage RAM LSI15 TC55257DFL-70L DSP LSI11 HG51B155FD-1 Key Controller LSI16 HG52E35P DVDD DVDD DVDD VDD VDD -RESET POWER From power switch KO Signal Generator LSI17 UPD65611GB-019-3BA -NMI To power supply circuit A...

Page 13 - MAJOR WAVEFORMS

— 13 — 1 3 B E F C D 4 5 9 0 A 2 6 7 8 CH1 CH1: 5 V CH2: 5 V CH1 CH1 CH2 CH2 CH3 CH2 CH1 CH3 CH1 CH2 CH3 CH2 CH1 CH2 CH3 CH1: 5 V CH2: 5 V CH1: 5 V CH2: 5 V CH3: 5 V CH1: 5 V CH2: 5 V CH3: 5 V CH1: 5 V CH2: 5 V CH3: 5 V CH1: 20 mV CH2: 20 mV ˜ ˜ A . 1 s A . 200 ms A . 20 µ s A . 10 ms A 1 µ s A 1 µ ...

Page 14 - PRINTED CIRCUIT BOARDS

— 14 — R124R123R122R121R120R119R118R117R116R115R114R113R112R111 R110R109R108R107R106R105R104R103R102R101R100R99R98R97 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 C65 C66 C67 C68 C69 C70 C47 C46 C45 C44 C43 C42 C41 C40 C39 C38 C49 C48 C50 C51 C35 C34 R26 C35 C34 R26 C78 C147 FB26 R12 R13 R14 C20C21C22C23...

Page 15 - SCHEMATIC DIAGRAMS

— 15 — SCHEMATIC DIAGRAMS MAIN PCB JCM717-MA1M 4 6 7 8 9 10 11 13 14 12 1 2 5 3

Page 19 - EXPLODED VIEW

— 19 — EXPLODED VIEW 1 2 3 4 4 4 5 6 7 8 9 11 10 12 14 13 15 16 17 18 19 20 21 22 23 24 25 26 26 26 26 27 28 29 30 31 31 26 32 R-3 R-2 R-1

Page 20 - Prices and specifications are subject to change with-; PARTS LIST

Notes: 1. Prices and specifications are subject to change with- out prior notice. 2. A s f o r s p a r e p a r t s o r d e r a n d s u p p l y , r e f e r t o t h e" G U I D E B O O K f o r S p a r e p a r t s S u p p l y " , p u b l i s h e dseperately. 3. The numbers in item column corresp...