Casio CTK-601- Manuals

Page 2 - SPECIFICATIONS; GENERAL; CONTENTS

— 1 — SPECIFICATIONS GENERAL Keyboard: 61 standard-size keys, 5 octaves (with touch response on/off) Drum pads: 6 Tones: 200 (128 General MIDI, 32 synthesized, 8 drum, 32 user); with layer andsplit Rhythm instrument tones: 51 Polyphony: 24 notes maximum (12 for certain tones) Digital effects: 3 reve...

Page 4 - BLOCK DIAGRAM

— 3 — KC0 ~ KC7 FI0 ~ FI9SI0 ~ SI9 KI0 ~ KI2PB0 ~ PB3 P10, P13P14, P17 Working Storage RAM (256K-bit) LSI4 TC55257DFL-70L(EL) MIDI EA0 ~ EA14 EIO0 ~ EIO7 Sound Source ROM (16M-bit) LSI3 UPD23C16000WGX- C51 LRCKSOBCK D/A Converter LSI6 UPD6379GR Filter Q107 ~ Q110 MainVolume Power Amplifier IC101 TA8...

Page 5 - CIRCUIT DESCRIPTION; KEY MATRIX

— 4 — CIRCUIT DESCRIPTION KEY MATRIX BUTTON MATRIX 0 A P 1 A P 2 A P 3 A P 0 B P e g n a R ll u F d r o h C o r t n I h c u o T e s n o p s e R b r e v e R 1 B P d e r e g n i F / l a m r o N n I - ll i F n o i s s e S e e r F p m o c c A e m u l o V 2 B P d r o h C o i s a C / o r h c n y S g n i d...

Page 6 - POWER SUPPLY CIRCUIT; RESET CIRCUIT

— 5 — Reset IC IC1 RN5VD40AA DSPLSI2 HG51B277FB-1 VDD Reset signal To power supply circuit VDD Battery set RESET VDD POWER From power switch NMI APO PLE CPU LSI1 UPD913GF-3BA SCKO 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 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6 D#3 C2 D2 E...

Page 10 - FILTER BLOCK

— 9 — 2.2K 270PF 560PF 0.01 µ F AG AG AG AG AG 22 Ω Q1102SC1740SQ.R AG AVDD AVDD 10K 18K 6.3V 1000 µ 22K 1K Q107 2SC1740SQ.R 10 V22 µ From DAC To main volume + 10K 10K 10K 150PF Synch signal Data Word clock Bit clock Data Word clock Bit clock DSPLSI2 HG51B277FB DAC IC6 UPD6379GR CPU LSI1 UPD913GF-3B...

Page 12 - ADJUSTMENT; DISPLAY PCB

— 11 — 3) Equipment connection/Procedure Vop voltage setting Output Set Voltmeter TP2 InputConnection InputPoint InputSignal Adjust OutputConnection OutputPoint Adjust for VR410 Voltmeter TP2 Adjust for 4.4 ± 0.1 V reading on voltmeter.Make fine adjustment accord-ing to the next instruction. 51.74 °...

Page 13 - MAJOR WAVEFORMS

— 12 — MAJOR WAVEFORMS 1 NMI signalJE connector pin 16 2 APO signalJD connector pin 9 5 Key scan signal KC0JB connector pin 1 6 Key scan signal KC1JB connector pin 2 3 Button scan signal PA0JD connector pin 14 4 Button scan signal PA1JE connector pin 14 9 DAC output (L-ch)JD connector pin 6 0 Dac ou...

Page 14 - PRINTED CIRCUIT BOARDS

— 13 — PRINTED CIRCUIT BOARDS Sub PCB JCM462-MA2M Main PCB JCM462-MA1M Top View Top View Bottom View 5 6 9 10 2 3 7 8 1 4 12 11

Page 15 - SCHEMATIC DIAGRAMS

— 14 — SCHEMATIC DIAGRAMS Main PCB JCM462-MA1M 10 9 7 8 2 3 5 6 1 4

Page 20 - EXPLODED VIEW

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

Page 21 - This parts list does not include the cosmetic parts, which; PARTS LIST

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 specifications...