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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.

1.

Prices and specifications are subject to change with-
out 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.

PARTS LIST

CTK-541

Содержание CTK-541

Страница 1: ...ELECTRONIC KEYBOARD CTK 541 JULY 1999 CTK 541 E E E...

Страница 2: ...CONTENTS Specifications 1 Block Diagram 3 Circuit Description 4 Adjustment 8 Major Waveforms 10 Printed Circuit Boards 11 Schematic Diagrams 15 Exploded View 19 Parts List 20...

Страница 3: ...bank status PLAY PAUSE REW FF Staff 5 octaves with sharp and flat indications Keyboard 5 octaves MIDI 5 multi timbre receive Other functions Transpose 12 steps 6 semitones to 5 semitones Tuning Varia...

Страница 4: ...elocity MAX Phone output level Vrms with 8 load each channel L 240mV 240 mV 20 with key C3 pressed in Synth Lead 1 R 250mV 250 mV 20 Speaker output level Vrms with 4 load each channel with key G1 pres...

Страница 5: ...cillator X1 Q1 Power Supply Circuit Q201 Q203 Q207 Q208 D205 Power Amp TA8248K IC201 Filter L Q206 Filter R Q205 Phone Output VC VCC DVDD AVDD APO DC 9V IN DB4 DB7 MIDI IN MIDI OUT COM1 COM16 SEG1 SEG...

Страница 6: ...5 A 5 F 6 KO7 G2 D 3 B3 G4 D 5 B5 G6 KO8 0 KO9 3 2 1 KO10 6 5 4 Rhythm Tone KO11 9 8 7 Fingered Normal Off KO12 FF Right Stop Left REW Tempo Down Tempo Up Start Stop Synchro Fill In Chord Book Accomp...

Страница 7: ...V source AC adaptor detection terminal 8 AN0 In 5 V when the keyboard is powered by batteries and becomes 0 V to cancel the APO function when AC adaptor is connected 9 AN1 In Input from pitch bender...

Страница 8: ...y The following table shows the pin functions of KS0066U 10B Pin No Terminal In Out Function 1 22 63 80 23 VSS GND 0 V source Terminals for the built in clock pulse generator The external resistor con...

Страница 9: ...n 1 NC Not used 2 B S 2 Terminal for a bootstrap capacitor 3 OUT2 Out Channel 2 output 4 VCC In 9 V source 5 OUT1 Out Channel 1 output 6 B S 1 Terminal for a bootstrap capacitor 7 Power GND In Ground...

Страница 10: ...8 ADJUSTMENT MAIN PCB 1 Items to be adjusted 2 Adjustment and Test Point Locations Item Measuring Instrument Vop voltage setting Voltmeter VR1 BOTTOM VIEW Test point TOP VIEW...

Страница 11: ...Adjust Output Connection Output Point Adjust for VR1 Voltmeter CP3 CP4 Adjust for 3 90 4 00V read ing on voltmeter under the temparature 20 25 C Makefineadjustment accord ing to the following instruc...

Страница 12: ...APO signal JD connector pin 12 2 3 4 Sound waveform R ch Tone Whistle 59 JD connector pin 6 Key A4 5 Sound waveform L ch Volume Max JD connector pin 5 4 5 6 JB connector pin 1 7 JB connector pin 2 6...

Страница 13: ...11 PRINTED CIRCUIT BOARDS Main PCB JCM456 MA1M Main PCB JCM456 MA1M Top View Bottom View 1 7 8 6 6 5 2 4 3...

Страница 14: ...12 Sub PCB JCM453 MA2M Top View Bottom View Sub PCB JCM453 MA2M...

Страница 15: ...13 Console PCB JCM453 CN1 Top View Bottom View Console PCB JCM453 CN1...

Страница 16: ...14 Keyboard PCB JCM618T KY1M Keyboard PCB JCM618T KY2M Bottom View Top View Top View Bottom View Keyboard PCB JCM618T KY2M Keyboard PCB JCM618T KY1M...

Страница 17: ...15 SCHEMATIC DIAGRAMS Main PCB JCM456 MA1M 1 6 7 2 3 4 5 9 8...

Страница 18: ...16 Sub PCB KDM453 MA2M...

Страница 19: ...17 Console PCBs JCM453 CN1...

Страница 20: ...18 Keyboard PCBs JCM618T KY1M KY2M...

Страница 21: ...19 EXPLODED VIEW 22 33 14 15 29 28 26 27 24 25 30 23 14 15 37 16 3 7 6 9 8 13 34 5 4 12 38 4 20 20 19 21 18 35 21 17 2 1 9 3 8 10 18 R 4 R 4 R 1 15 34 31 36 32 R 5 R 3 R 2 10 10 34 34 11 37...

Страница 22: ...our spare parts department if you need these parts for refurbish 1 Prices and specifications are subject to change with out prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK fo...

Страница 23: ...Q202 Q204 Q206 Q210 2250 1592 TRANSISTOR 2SC1740STPR 7 AA B D201 D202 2390 3021 DIODE SRT14 2 AF B D203 D205 D207 D210 2390 1344 DIODE 1SS133T 77 T 6 AA C D206 2360 2044 DIODE ZENER MTZJ6 2A T77 T 1...

Страница 24: ...BBER BUTTON M140821 1 1 AI B 25 6927 3830 RUBBER BUTTON M240928 1 1 AD B 26 6927 3840 RUBBER BUTTON M240929 1 1 AD B 27 6927 3850 RUBBER BUTTON M140824 1 1 AG B 28 6927 3860 RUBBER BUTTON M240931 1 1...

Страница 25: ...CASIO TECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan...

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