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Item

Code No.

Parts Name

Specification

Q

R

Main PCB

1

6925 8440 PCB/ASS'Y (MA1M)

M240613*1

1

B

LSI1

2012 4879 LSI/CPU

UPD913GF-3BA(T)

1

A

LSI2

2012 2079 LSI/DSP

HG51B277FB-1

1

A

LSI3

2012 5590 LSI/ROM

UPD23C16000WGX-C51

1

A

LSI4/LSI5

2012 5572 LSI/RAM

TC55257DFL-70L(EL)

2

A

LSI6

2105 4746 LSI/DAC

UPD6379GR-E1

1

A

IC1

2012 1883 IC/MOS

RN5VD40AA-TR

1

A

MRC1,2,5,6

2845 6456 R-C NETWORK/CHIP

EZAST62AAAJ

4

C

MRC3,4

2845 6457 R-C NETWORK/CHIP

EZASS508TAJ

2

C

X1

2590 2742 OSCILLATOR/CRYSTAL

AT-49-30M

1

C

X2

2590 2699 OSCILLATOR/CERAMIC

EFOB2005E0

1

C

Sub PCB ass'y

2

6926 9180 PCB/ASS'Y (MA2,3M)

M140554*3

1

B

IC101

2114 5775 IC/LINEAR (POWER AMP)

TA8248K

1

A

IC102

2252 1248 IC/PHOTOCOUPLER

HCPL-261A

1

B

Q101

2250 0742 TRANSISTOR

2SA1703S,T-AN-T

1

C

2252 0784 TRANSISTOR

2SC1740SQ,R-TP-T

7

C

Q103

2251 0672 TRANSISTOR

2SB1548-P,CS

1

1

Q105

2250 1578 TRANSISTOR

2SC4483S,T-AN

1

C

D101/D102

2390 3018 DIODE

1T2

2

C

2390 1344 DIODE

1SS133T-77-T

40 C

D106

2360 1085 DIODE/ZENER

HZS6B1LTD-T

1

C

D107

2360 1946 DIODE/ZENER

MTZJ5.6CT-77-T

1

C

D190

2360 1673 DIODE/ZENER

MTZJ5.6AT-77-T

1

C

LED101

2320 3146 LED

TLR124

1

C

J101

3501 7049 JACK/POWER

HEC2305-01-330

1

C

J102

3612 0665 JACK/PHONE

YKB21-5006

1

C

J103

3612 0789 JACK

YKB21-5010

1

C

J104

3501 4816 JACK/DIN

YKF51-5051

1

C

VR101

2765 2178 VOLUME

EWASC2C95B23

1

C

Display PCB

3

6926 8350 PCB/ASS'Y (LCD1M)

M240609*2

1

B

LSI401

2012 6018 LSI/LCD DRIVER

SED1278F2A

1

A

VR401

2775 3286 POTENTIOMETER/CHIP

EVM3SSX50B53

1

C

Keyboard PCBs

4

6924 2580 PCB/ASS'Y (KY1M)

M140211*5

1

B

D501 - D564

2301 0101 DIODE

1S2473-T-77-T

64 X

5

6925 8490 PCB/ASS'Y (KY2M)

M140212*9

1

B

D565 - D622

2301 0101 DIODE

1S2473-T-77-T

58 X

Keyboard unit

6

6922 2720 KEY SET/LT WHITE

M312118*1

4

A

7

6922 2730 KEY SET/LT WHITE

M312118*2

1

A

8

6922 2740 KEY SET/10P BLACK

M111726-1

2

A

9

6922 2750 KEY SET/5P BLACK

M111726-2

1

A

10

6922 2761 RUBBER/KEY CONTACT

M211704A-1

4

C

11

6922 2771 RUBBER/KEY CONTACT

M211705A-1

1

C

Panel unit

12

3122 3546 MODULE/EL

YLM-102

1

B

13

3335 6724 LCD

LD-B10088E

1

B

14

6926 6971 SPACER

M440644A-1

1

C

15

6926 6991 SPACER

M440648A-1

1

C

16

6925 8590 RUBBER/INTERCONNECTOR

M440426-2

2

B

   Notes:     Q Ð  Quantity per unit

R Ð  Rank

Ñ 20 Ñ

Summary of Contents for CTK-611

Page 1: ...IT CURSOR PITCH BEND MODE VOLUME INTRO SYNCHRO ENDING NORMAL FILL IN VAR FILL IN REVERB GM FREE SESSION LAYER SPLIT TOUCH RESPONSE HALL STAGE ROOM SYNTH MIXER MEMORY STEP CHORD 1 2 3 4 5 6 MEMORY TRAC...

Page 2: ...CONTENTS Specifications 1 Block Diagram 3 Circuit Description 4 Adjustment 11 Major Waveforms 12 Printed Circuit Boards 13 Schematic Diagrams 14 Exploded View 19 Parts List 20...

Page 3: ...ope set attack rate release rate pitch envelope set pitch level touch sense pan Mixer function Channels 16 Parameters Program change number volume expression pan coarse tuning fine tuning on off solo...

Page 4: ...ms with 47k load each channel L ch 1200 mV 20 with key F5 pressed in Bassoon tone R ch 1000 mV 20 Volume maximum Touch response maximum Reverb Hall Minimum operating voltage 6 3 V About General MIDI G...

Page 5: ...mplifier IC101 TA8248K Keyboard MA0 MA19 Power Supply Circuit Q101 Q105 D106 107 D190 VCC AVDD VDD DVDD LVDD VC APO Effect RAM 256K bit LSI5 TC55257DFL 70L EL MD0 MD7 Speakers Output MA0 MA14 MA0 MA1...

Page 6: ...2 F3 2 F 3 2 G3 2 G 3 2 A3 2 A 3 2 B3 2 FI3 C4 1 C 4 1 D4 1 D 4 1 E4 1 F4 1 F 4 1 G4 1 SI3 C4 2 C 4 2 D4 2 D 4 2 E4 2 F4 2 F 4 2 G4 2 FI4 G 4 1 A4 1 A 4 1 B4 1 C5 1 C 5 1 D5 1 D 5 1 SI4 G 4 2 A4 2 4...

Page 7: ...five voltages as shown in the following table VDD voltage is always generated The others are controlled by APO signal from the CPU NOMENCLATURE OF KEYS RESET CIRCUIT When batteries are set or an AC a...

Page 8: ...In AC adaptor detection terminal 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 Not used Connected to ground 10 AGND In Gro...

Page 9: ...E Jack input 5 SO Out Serial sound data output for the DAC 6 WCKO Out Word clock output for the DAC 7 VDD3 In 5 V source 8 TEST Not used 9 RESB In Reset signal input 10 VSS2 In Ground 0 V source 11 12...

Page 10: ...M 62 66 70 74 78 VSS2 In Ground source 63 67 71 75 79 VDD2 In 5 V source 64 65 68 69 PA0 PA5 Out Button scan signal output 72 73 76 77 PA6 7 Out Not used Pin No Terminal In Out Function 1 22 SEG1 SEG4...

Page 11: ...3GF 3BA L OUT R OUT SI LRCK CLK SO WCKO SCK1 SO LRCK BCK SINC SI WCKI BCKI FILTER BLOCK Since the sound signals from the DAC are stepped waveforms the filter block is added to smooth the waveforms DAC...

Page 12: ...ootstrap 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 0 V source 8 Stand by In Power control s...

Page 13: ...V read ing on voltmeter under the temparature 20 to 25 C Makefineadjustment accord ing to the following instruc tion 51 74 LCD Eye Watching the LCD at a 51 74 angle to the horizontal adjust Vop voltag...

Page 14: ...6 0 Dac output R ch JD connector pin 7 A Sound signal L ch JF connector pin 2 B Sound signal R ch JF connector pin 1 7 RS signal PA4 JC connector pin 7 8 R W signal PA5 JC connector pin 6 Tone Whistl...

Page 15: ...13 PRINTED CIRCUIT BOARDS Sub PCB JCM462 MA2M Main PCB JCM462 MA1M Top View Top View Bottom View 12 11 5 6 9 10 2 3 7 8 1 4...

Page 16: ...14 SCHEMATIC DIAGRAMS Main PCB JCM462 MA1M 10 9 7 8 2 3 5 6 1 4 MC Service...

Page 17: ...15 Sub PCB JCM462 MA2M Volume PCB JCM462 MA3M 12 11 MC Service...

Page 18: ...16 Display PCB JCM462 LCD1M MC Service...

Page 19: ...17 Keyboard PCBs JCM617T KY1M KY2M MC Service...

Page 20: ...M15 COM16 COM10 COM12 SEG21 COM11 SEG37 SEG38 SEG39 SEG40 COM 1 COM 2 COM 3 COM 4 COM 5 COM 6 COM 7 COM12 SEG 1 SEG 2 SEG 3 SEG 4 SEG 5 SEG 6 SEG 7 SEG 8 SEG 9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG1...

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

Page 22: ...e 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...

Page 23: ...C D107 2360 1946 DIODE ZENER MTZJ5 6CT 77 T 1 C D190 2360 1673 DIODE ZENER MTZJ5 6AT 77 T 1 C LED101 2320 3146 LED TLR124 1 C J101 3501 7049 JACK POWER HEC2305 01 330 1 C J102 3612 0665 JACK PHONE YK...

Page 24: ...00 RUBBER BUTTON M240545 2 1 B 24 6926 8310 RUBBER BUTTON M240546 2 1 B 25 6906 9071 RUBBER BUTTON M240547 2 1 B 26 6925 8680 RUBBER BUTTON M240548 1 1 B 27 6913 6410 SWITCH SLIDE CSB 12D 1 B 28 6921...

Page 25: ...CASIO TECHNO CO LTD Overseas Service Division 8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 0023 Japan...

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