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CDP-120

– 2 –

BLOCK AND WIRING DIAGRAM

KEYBOARD PCB

(M914-KYA1)

MAIN PCB

(M914-MDA1)

POWER AMP PCB (M914-PSA1)

KEYBOARD PCB

(M914-KYB1)

KEYBOARD PCB

(M914-KYC1)

POWER SWITCH

(SW1)

DC 12 V (J3)

CN802 (16 pin)

CN804 (16 pin)

CN805 (16 pin)

CN803 (30 pin)

CN14 (30 pin)

CN11 (11 pin)

CN3 (11 pin)

CN2 (2 pin)

CN1 (2 pin)

CN20 (5 pin)

CN4 (5 pin)

USB

PHONES (J2)

PEDAL (J5)

SPEAKER (L)

SPEAKER (R)

MAIN VOL. (VR1)

CN19 (4 pin)

CN801 (16 pin)

FI0~FI10,

SI0~SI10,

KC0~KC7

LOUT, ROUT

KI0~KI2, KC0, KC1

PEDAL,

APO, POFF,

MUTE, MIC IN

MPU

IC7

Headphones

Amplifier

IC1

Power

Amplifier

IC2

MA1~MA22

MD0~MD15

Flash Memory

(64 Mbit)

IC2

Filter

IC5

Power Supply Circuit

IC6, C24, C25,

C27, C33, C35

VD3

VCP

Power

Supply Circuit

IC3, Q4, D1

Power Supply Circuit

IC3, Q4, D1,

C40~C45

VA5

VD5

VD5

VA5

LOUT

ROUT

D2

BUTTONS

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Содержание CDP-120

Страница 1: ...CDP 120 Ver 1 Dec 2012 CDP 120 JUL 2011 ELECTRONIC KEYBOARD...

Страница 2: ...CONTENTS SPECIFICATIONS 1 BLOCK AND WIRING DIAGRAM 2 PCB INFORMATION 3 CIRCUIT DESCRIPTION 4 PRINTED CIRCUIT BOARDS 6 DISASSEMBLY 9 DIAGNOSTIC PROGRAM 25 EXPLODED VIEW 28 PARTS LIST 30 SCHEMATIC DIAG...

Страница 3: ...ial Default 440 0 Hz MIDI 16 multi timbre received GM Level 1 standard Inputs Outputs USB port TYPE B Damper Pedal jack Standard jack Phones Output jack Stereo standard jack Output Impedance 3 Output...

Страница 4: ...2 2 pin CN1 2 pin CN20 5 pin CN4 5 pin USB PHONES J2 PEDAL J5 SPEAKER L SPEAKER R MAIN VOL VR1 CN19 4 pin CN801 16 pin FI0 FI10 SI0 SI10 KC0 KC7 LOUT ROUT KI0 KI2 KC0 KC1 PEDAL APO POFF MUTE MIC IN MP...

Страница 5: ...IN M914 MDA1 MPU Flash Memory 64 Mbit Power Supply Circuit Filter USB Port Power Amp PCB PCB UNIT PSA1 M914 PSA1 Power Supply Circuit Power Amplifier Headphones Amplifier Power Switch Main Volume DC 1...

Страница 6: ...A3 2 B32 C42 FI5 C4 1 D41 D4 1 E41 F41 F4 1 G41 G4 1 SI5 C4 2 D42 D4 2 E42 F42 F4 2 G42 G4 2 FI6 A41 A4 1 B41 C51 C5 1 D51 D5 1 E51 SI6 A42 A4 2 B42 C52 C5 2 D52 D5 2 E52 FI7 F51 F5 1 G51 G5 1 A51 A5...

Страница 7: ...F5 G5 A5 B5 C6 D 3 C2 D2 E2 F2 G2 A2 B2 C3 D3 E3 B6 A6 G6 F6 E6 D6 C7 C 3 A 2 G 2 F 2 D 2 C 2 C1 D1 E1 F1 G1 A1 B1 A0 B0 A 1 A 0 G 1 F 1 D 1 C 1 A 6 G 6 F 6 D 6 C 6 B7 A7 G7 F7 E7 D7 C8 A 7 G 7 F 7 D...

Страница 8: ...CDP 120 6 PRINTED CIRCUIT BOARDS Main PCB M914 MDA1 Power Amp PCB M914 PSA1...

Страница 9: ...CDP 120 7 Keyboard PCB M914 KYA1 Keyboard PCB M914 KYB1...

Страница 10: ...CDP 120 8 Keyboard PCB M914 KYC1...

Страница 11: ...blanket before starting disassembling z z There are several kinds of screws Be sure to use the correct type of screws when reassembling It is advisable to sort the screws as shown below after removin...

Страница 12: ...ght or four screws and then remove eight or four LOWER COVERs NOTE To remove only the main panel unit undo four screws and remove the four LOWER COVERs indicated with red circles in the illustration b...

Страница 13: ...ain panel unit is connected to the lower case unit with the connectors and FFC Use caution when turn over the main panel unit A 6 Release the connector lock and remove the FFC A 7 Remove two connector...

Страница 14: ...DP 120 12 A 8 Undo three screws on the RIGHT SIDE CASE and then remove the RIGHT SIDE CASE RIGHT SIDE CASE A 9 Undo three screws on the LEFT SIDE CASE and then remove the LEFT SIDE CASE LEFT SIDE CASE...

Страница 15: ...ws on the RIGHT SIDE INNER CASE and then remove the right panel unit RIGHT SIDE INNER CASE Right panel unit A 11 Undo two screws on the LEFT SIDE INNER CASE and then remove the left panel unit LEFT SI...

Страница 16: ...MDA1 PCB M914 MDA1 PCB Connectors M914 PSA1 C REMOVE THE M914 PSA1 PCB POWER AMP PCB C 1 Remove the ROTARY KNOB ROTARY KNOB C 2 Remove two connectors from the M914 MDA1 PCB M914 MDA1 PCB M914 PSA1 PC...

Страница 17: ...EAKER Left speaker Right speaker Lead wire Black Lead wire Red Lead wire Red Lead wire Black E REMOVE THE KY ASSY E 1 Undo three screws and then remove the LEFT SIDE INNER CASE LEFT SIDE INNER CASE E...

Страница 18: ...CDP 120 16 E 4 Undo three screws and then remove the KY ASSY KY ASSY LOWER CASE UNIT...

Страница 19: ...cedures as removing black keys Tool The tool used in the photos in this section was converted from a gardening ID tag The size and shape of an ID tag accord to the dimensions below Note on shaping an...

Страница 20: ...the two tools between the rib of the chassis and a key A 2 When the tools are inserted to a certain depth the key begins to be lifted and can then be removed Cross section image Tools Chassis Tool Ke...

Страница 21: ...at the foot of each key C E G B D F A C E G B D F A C E G B D F A C E G B SA D B F A C E G B D F A C E G B D F A C E G B D F A SC Install a black key before installing the white keys on either of its...

Страница 22: ...gainst the resin part of the chassis B 4 Using the chassis tweezer contact as a fulcrum point press down against the resin part in the direction of the red arrow in the illustration below and then dis...

Страница 23: ...of Hammer W for a white key B for a black key Hammer Code The hammers for white keys are coded W1 W2 W3 and W4 The hammers for black keys are coded B1 B2 B3 and W4 Location to install the hammer A ha...

Страница 24: ...white keys 1 Use the tweezers to set a hammer at its correct location 2 Press the chassis with the tip of tweezers 3 Using the chassis tweezers contact as a fulcrum point press down the metal part of...

Страница 25: ...FC C 2 Remove 23 screws and then remove the M914 KYA1 KYB1 KYC1 PCBs FFC M914 KYA1 PCB M914 KYB1 PCB M914 KYC1 PCB C 3 Remove eight rubber contact strips NOTE One rubber contact strip is shorter than...

Страница 26: ...lightly in the direction of the red arrow in the illustration below while tightening a screw 3 Install eight rubber contact strips NOTE Be sure to install the short rubber contact strip at the correc...

Страница 27: ...ition Windows XP Professional 32 bit 2 Windows Vista 32 bit 3 Windows 7 32 bit 64 bit HOW TO START THE DIAGNOSTIC PROGRAM 1 Hold down the FUNCTION GRAND PIANO 2 and HARPSICHORD buttons at the same tim...

Страница 28: ...at the end press the STRINGS button again to return to the root mode B ROM VERSION CHECK B 1 Press the HARPSICHORD button to perform the ROM VERSION CHECK B 2 Press the A0 key If the result passes The...

Страница 29: ...s the STRINGS button to return to the root mode E USB CHECK NOTE The following procedures are for a PC with Windows XP E 1 Connect the main unit to the PC with a USB cable E 2 Open the windows Device...

Страница 30: ...CDP 120 28 EXPLODED VIEW KEYBOARD UNIT 35 34 39 40 1 2 32 33 29 28 32 51 55 54 54 47 47 53 46 52 56 56 48 49 49 49 48 50 55 37 28 30 44 45 41 43 36 38 42 40 44 45 41 36 30 31 31...

Страница 31: ...CDP 120 29 KEYBOARD UNIT 4 11 8 18 19 14 15 20 12 17 7 13 9 10 21 22 23 3 26 27 24 25 25 22 24 23 16 5 6...

Страница 32: ...atest Parts Price Code at PARTS FINDER on the Casio Service WEB site https www servicecasio com 3 As for spare parts order and supply refer to the GUIDEBOOK for Spare parts Supply published separately...

Страница 33: ...1 1 1 1 X Q4 69409403 TRANSISTOR 2SA1576AT106R 1 1 1 1 X Q1 Q3 69300298 TRANSISTOR 2SC4081T106R 3 3 3 3 X KEYBOARD PCB 3 10399792 PCB UNIT KY and RUBBER CONTACT TK RJM511215 001 1 1 1 1 C KYA1 KYB1 K...

Страница 34: ...1V01 1 1 1 1 X N 39 10398237 CASE SUB UNIT PANEL RIGHT RJM511006 001V01 1 1 1 1 X 40 10130104 FABRIC TAPE 10X180 M440259 002V01 2 2 2 2 X 41 10284878 SPEAKER C0612J01 2 2 2 2 X N 42 10164046 HARNESS E...

Страница 35: ...CDP 120 33 SCHEMATIC DIAGRAMS Main PCB M914 MDA1 USB to KYB1 CN803 to PSA1 CN3 to PSA1 CN4 Not used...

Страница 36: ...CDP 120 34 Power Amp PCB M914 PSA1 MAIN VOL VR1 POWER SWITCH SW1 LEFT SPEAKER RIGHT SPEAKER to MDA1 CN20 to MDA1 CN11 PHONES J2 to RIGHT SPEAKER DC 12 V IN J3 PEDAL J5 to LEFT SPEAKER...

Страница 37: ...CDP 120 35 Keyboard PCB M914 KYA1 to KYB1 CN802...

Страница 38: ...CDP 120 36 Keyboard PCB M914 KYB1 to KYA1 CN801 to MDA1 CN14 to KYC1 CN805...

Страница 39: ...CDP 120 37 Keyboard PCB M914 KYC1 to KYB1 CN804...

Страница 40: ...CASIO COMPUTER CO LTD Overseas Service Division 6 2 Hon machi 1 Chome Shibuya ku Tokyo 151 8543 Japan Ver 1 Dec 2012 Correction of the EXPLODED VIEW P28 Correction of the PARTS LIST P32...

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