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CTK-501
100 TONES
100 RHYTHMS
POWER/MODE
MAIN VOLUME
TEMPO
CHORD BOOK
TRANSPOSE/
TUNE/MIDI
100 SONG BANNK KEYBOARD
FINGERED
MUSICAL INFORMATION SYSTEM
CASIO CHORD
SONG BANK CONTROLLER
ON
NORMAL
OFF
ACCOMP
VOLUME
SYNCHRO/
START/
FILL-IN
STOP
ELECTRONIC KEYBOARD
TONE
MUSICAL INFORMATION SYSTEM
M
7
FINGERING/PART
TONE
RHYTHM
RHYTHM
M7
4
SONG BANK
LEFT/
RIGHT/
STATUS
ACCOMP
MELODY
TEMPO
:1 OCTAVE UP
MAIN VOLUME
sus4
1
:PEDAL(SUSTAIN)
SONG BANK
CLEAR
0
100 SONG BANNK
SONG BANK CONTROLLER
m
8
7
9
STOP
dim
5
aug
6
REW
FF
-5
2
add9
3
PLAY/
PAUSE
LEFT
RIGHT
ON/OFF
CTK-501
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Table of Contents
Related Manuals for Casio CTK-501
Summary of Contents for Casio CTK-501
- Page 1 CTK-501 100 TONES 100 SONG BANNK 100 RHYTHMS POWER/MODE MAIN VOLUME TEMPO CHORD BOOK TONE SONG BANK CONTROLLER MUSICAL INFORMATION SYSTEM STOP FINGERING/PART TONE TRANSPOSE/ RHYTHM RHYTHM TUNE/MIDI 100 SONG BANNK KEYBOARD SONG BANK FINGERED LEFT/ RIGHT/ MUSICAL INFORMATION SYSTEM...
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Page 2: Table Of Contents
CONTENTS Specifications ........................... 1 Block Diagram ..........................2 Circuit Description ..........................3 Adjustment ............................7 Major Waveforms ..........................8 Printed Circuit Boards ........................9 Schematic Diagrams ........................11 Exploded View ..........................16 Parts List ............................17... -
Page 3: Specifications
12 notes maximum (6 for certain tones) Auto accompaniment Rhythm patterns: Tempo: Variable (236 steps, = 20 to 255) Chords: 2 fingering methods (CASIO CHORD, FINGERED) Rhythm controller: START/STOP, SYNCHRO/FILL-IN Accomp volume: 0 to 9 (10 steps) Song bank Tunes:... -
Page 4: Block Diagram
BLOCK DIAGRAM COM1 ~ COM16 LCD Driver SED1278F0A LSI3 Buttons Keyboard SEG1 ~ SEG40 KO8 ~ KI0 ~ KI6 DB4 ~ DB7 KO12 Output MIDI IN MIDI OUT Filter (L) KO0 ~ KO7 Q206 Power Amp. TA8248K IC201 Filter (R) MSM 6755B-17 MD0 ~ MD7 Q205... -
Page 5: Circuit Description
Down Start/ Synchro/ Chord Accomp Stop Fill-In Book Volume Transpose/ Song KO10 Rhythm Tone Tune/MIDI Bank CASIO KO11 Fingered Normal Chord Play/ KO12 Right Stop Left Pause NOMENCLATURE OF KEYS F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5... - Page 6 CPU (LSI2: MSM6755B-17) The CPU reads sound data from the ROM in accordance with the pressed key and the selected tone; the CPU can read rhythm data simultaneously when a rhythm pattern is selected. Then it provides the left and the right channels’...
- Page 7 Pin No. Terminal In/Out Function 74 ~ 77 DB4 ~ DB7 Data bus for the LCD driver — Not used LVCC +5 V source 80 ~ 84 KO8 ~ KO12 Terminals for button scan signal 85 ~ 87 P65 ~ P67 —...
- Page 8 FILTER BLOCK Since the sound signals from the CPU is stepped waveforms, the filter block is added to smooth the waveforms. Amp. Filter TA8248K Block MSM6755B-17 POWER AMPLIFIER (IC201: TA8248K) The power amplifier is a two-channel amplifier with standby switch. The following table shows the pin function of IC201.
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Page 9: Adjustment
ADJUSTMENT MAIN PCB 1) Items to be adjusted: Measuring Instrument Item Vop voltage setting Voltmeter 2) Adjustment and Test Point Locations (TOP VIEW) Test point 3) Equipment connection/Procedure Vop voltage setting Voltmeter Output Input Input Input Output Output Adjust for Adjust Connection Point... -
Page 10: Major Waveforms
MAJOR WAVEFORMS 1 Clock pulse 2 Power source DVDD MSM6755B-17 pin 32 JC connector pin 8 3 APO signal JC connector pin 2 4 Sound waveform (R-ch) Tone: Whistle (59) 6 Button scan signal KO0 JC connector pin 5 Key: MSM6755B-17 pin 66 5 Sound waveform (L-ch) Volume: Max. -
Page 11: Printed Circuit Boards
PRINTED CIRCUIT BOARDS Main PCB JCM443-MA1M Top View Bottom View — 9 —... -
Page 12: Schematic Diagrams
SCHEMATIC DIAGRAMS Main PCB JCM443-MA1M — 11 —... - Page 13 Sub PCB JCM443-MA2M — 12 —...
- Page 14 Console PCBs JCM443-CN1M/CN2M — 13 —...
- Page 15 Keyboard PCBs JCM6112K-KY1M/KY2M — 14 —...
- Page 16 Common Segment — 15 —...
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Page 17: Exploded View
EXPLODED VIEW — 16 —... -
Page 18: Parts List
PARTS LIST CTK-501 Notes: This parts list does not include the cosmetic parts, which parts are marked with item No. "R-X" in the exploded view. Contact our spare parts department if you need these parts for refurbish. Prices and specifications are subject to change with- out prior notice. - Page 19 Item Code No. Parts Name Specification Main PCB 6926 0460 PCB/ASS'Y (MA1M) M240626*1 LSI1 2012 5638 LSI/MASK-ROM LC372100PM-G48TE-L LSI2 2012 5603 LSI/MC MSM6755B-17 LSI3 2012 5569 LSI/LCD DRIVER SED1278F0A 2012 1883 IC/MOS RN5VD40AA-TR 2252 1239 TRANSISTOR 2SC4081T106Q 2775 3286 POTENTIOMETER EVM3SSX50B53 2590 2100 OSCILLATOR/CERAMIC CSACS20.00MX040-TC...
- Page 20 Item Code No. Parts Name Specification Accessory 6926 1541 STAND/NOTE M340701A*1 Notes: Q – Quantity per unit R – Rank — 18 —...
- Page 21 MA0600571A...