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BLOCK DIAGRAM

MPU

IC3

ML6763B-NNWA-116

KEYBOARD PCBs(M708-KYA1/KYA2)

M708-KYA1

M708-KYA2

PEDAL
ADIN
APO

PWSW
DB4 ~ DB7
E
RW
RS
TXDO
RXDI

TXDO
RXDI

PWSW

DB4 ~ DB7

E

RW

RS

MD0 ~ MD15

MA1 ~ MA16

MA1 ~ MA22

ROM (64Mbit)

IC12

MR27T6402L0GKTN03D

SI0 ~ SI3 
FI0 ~ FI3

KC0 ~ KC4

SI0 ~ SI9 
FI0, FI9

KC0 ~ KC7

SI4 ~ SI9 
FI4 ~ FI9

KC5 ~ KC7

RAM (1Mbit)

IC10

CY62126EV30LL

MAIN PCB

(M708-MDA1)

ROUT

LOUT

MD0 ~ MD15

SUB PCB (M708-PSA1)

(R)

SPEAKERS

(L)

Main

Volume

CONSOLE  PCB 
(M708-CNA2)

CONSOLE  PCB 

(M708-CNA1)

Power Supply Circuit

Q303 ~ Q305, D308

VC

(9V)

VA5

(5.3V)

VD5

(5.3V)

IC4

TC7SET04FU

IC6

TC7SET04FU

Filter

IC302

NJM2068D

Power Amplifier

IC301

LA4635A-E

D302

VCP

(9V)

CN803

CN802

CN801

CN804

CN3

CN311

CN402

CN306

CN3

CN2

LCD Controller

IC401

ST7066U-OA

LCD

Buttons

CN4

CN405

Button Controller

IC402

uPD65881GK-1019E7A

Содержание CTK-810

Страница 1: ...ELECTRONIC KEYBOARD without price CTK 810 APR 2007 CTK 810 Ver 1 May 2005 INDEX...

Страница 2: ...CONTENTS Specifications 1 Block Diagram 2 Circuit Description 3 Printed Circuit Boards 5 Disassembly 7 Diagnostic Program 12 Exploded View 14 Parts List 15 Schematic Diagrams 18...

Страница 3: ...tion Mode Recorder indicator Metronome On Off Beat Specification 0 2 to 6 Registration Memory Number of Setups 32 4 setups x 8 banks Recorder Number of Songs Two 1 Lesson Recording 1 Performance Recor...

Страница 4: ...SI9 FI4 FI9 KC5 KC7 RAM 1Mbit IC10 CY62126EV30LL MAIN PCB M708 MDA1 ROUT LOUT MD0 MD15 SUB PCB M708 PSA1 R SPEAKERS L Main Volume CONSOLE PCB M708 CNA2 CONSOLE PCB M708 CNA1 Power Supply Circuit Q303...

Страница 5: ...6 KC7 FI0 C21 C 21 D21 D 21 E21 F21 F 21 G21 SI0 C22 C 22 D22 D 22 E22 F22 F 22 G22 FI1 G 21 A21 A 21 B21 C31 C 31 D31 D 31 SI1 G 22 A22 A 22 B22 C32 C 32 D32 D 32 FI2 E31 F31 F 31 G31 G 31 A31 A 31 B...

Страница 6: ...IN FF NORMAL FILL IN REW SWO2 3 STEP 1 5 SONG BANK 6 BANK TEMPO UP SWO3 METRONOME SPEAK 0 NORMAL TRANSEPOSE FUNCTION TEMPO DOWN STEP 3 SWO0 TRATION 4 REGISTRATION 2 YES 4 REGISTRATION 1 STORE SWO1 ST...

Страница 7: ...5 PRINTED CIRCUIT BOARDS Main PCB M708 MDA1 Top View Bottom View Console PCB M708 CNA1...

Страница 8: ...6 Keyboard PCB M708 KYA1 Keyboard PCB M708 KYA1 Sub PCB M708 PSA1...

Страница 9: ...dering 4 Remove two connectors by soldering 5 Make the keyboard unit and the main unit apart Lead wires Precaution while assembling the main Connector 3 Number of pins on the PCB and pins on the cable...

Страница 10: ...Remove five lead wires by soldering 12 Remove the PCB M708 PSA1 Connector CN4 Connector CN1 Connector CN306 Lead wires M708 PSA1 PCB To remove the console PCBs M708 CNA1 CNA2 13 Remove the volume knob...

Страница 11: ...must be screwed on in a designated order When assembling be sure to tighten the screws in the order from 1 6 shown in the photo Failing to do so may cause display malfunctions To remove the speakers...

Страница 12: ...10 To remove the key PCBs M709 KYA1 KYA2 18 Remove 21 screws and then the white keys 19 Remove the black keys...

Страница 13: ...e assembling There are two types of rubber keys and they are different in length The longest rubber key must be installed at the right end 1 2 2 2 2 21 Remove the hooks and then Key PCB How to install...

Страница 14: ...1 Press 0 button 00 Wait for confirmation sound 2 Slide switches or press buttons in the order from No 01 to No 2D BUTTON NO NOTE The button numbers are written in hexadecimal numerals 3 Press the LAY...

Страница 15: ...in the center the tester hears the maximum test sound from the right speaker 8 LCD check 1 Press the STEP1 button All character of LCD turns on There is no lack of the dot and the character 9 Console...

Страница 16: ...14 EXPLODED VIEW R 2 R 1 25 24 23 34 34 13 3 2 1 12 31 29 30 14 16 19 20 18 17 27 22 21 26 5 37 R 2 R 3 15 32 33 28 8 10 9 4 11 6 7 35 36 39 38...

Страница 17: ...our spare parts department if you need these parts for refurbish 1 Prices and specifications are subject to change without prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK for...

Страница 18: ...A1 TK RJM507856 001 1 1 1 1 BQ B IC301 10206337 IC LA4635A E 1 1 1 1 AN C IC302 10206677 IC NJM2068D D 1 1 1 1 AH C J301 10209462 JACK DJ 0702O 015 1 1 1 1 AA C J303 10206815 CONNECTOR JY 6314 01 030...

Страница 19: ...N 23 10270404 RUBBER KEY F RJM507687 001V01 1 1 1 1 AA C N 24 10270405 RUBBER KEY G RJM507688 001V01 1 1 1 1 AG C N 25 10270406 RUBBER KEY H RJM507697 001V01 1 1 1 1 AG C N 26 10270407 RUBBER KEY J R...

Страница 20: ...18 SCHEMATIC DIAGRAMS Main PCB M708 MDA1...

Страница 21: ...19 Sub PCB M708 PSA1...

Страница 22: ...20 Console PCBs M708 CNA1 CNA2...

Страница 23: ...21 Keyboard PCBs M708 KYA1 KYA2...

Страница 24: ...CASIO COMPUTER CO LTD Overseas Service Division 6 2 Hon machi 1 Chome Shibuya ku Tokyo 151 8543 Japan...

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