Casio_CTK-2080_Service_Manual电路图.pdf

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1、CTK-2080 Ver. 2 : Feb. 2012 CTK-2080 JUL. 2011 ELECTRONIC KEYBOARD RadioFans.CN 收音机爱 好者资料库 INDEX CTK-2080 CONTENTS SPECIFICATIONS . 1 BLOCK AND WIRING DIAGRAM . 3 PCB INFORMATION . 4 CIRCUIT DESCRIPTION . 5 PRINTED CIRCUIT BOARDS . 6 DISASSEMBLY . 9 DIAGNOSTIC PROGRAM . 19 EXPLODED VIEW . 26 PARTS L

2、IST . 27 SCHEMATIC DIAGRAMS . 30 RadioFans.CN 收音机爱 好者资料库 CTK-2080 1 SPECIFICATIONS Keyboard 61 standard size keys Maximum Polyphony 48 notes (24 for certain tones) Tones Built-in Tones 400 Sampling Tones 1 (Full Sampling) or 3 (Short Sampling) Sampling Time: 1 second (Full Sampling) or approximately

3、 0.3 seconds each (Short Sampling) Effects: 10 types (for Full Sampling samples) Reverb 1 to 10, Off Voice Pad 5 pads 4 sets (3 sets for sampled sounds, 1 set for percussion only) Metronome Beats per Measure 0, 2 to 6 Tempo Range 30 to 255 Song Bank Tunes 110 Step Up Lesson Lessons 4 (Listen, Watch,

4、 Remember, Auto) Lesson Part L, R, LR Functions Repeat, Voice Fingering Guide, Note Guide, Performance Evaluation Music Challenge 20 notes Auto Accompaniment Rhythm Patterns 150 One Touch Presets 150 Other Functions Transpose 1 octaves (-12 to +12 semitones) Tuning A4 = 415.5 to 465.9 Hz (Initial De

5、fault: 440.0 Hz) MIDI 16 multi-timbre received, GM Level 1 standard Musical Information Function Tone, Rhythm, Song Bank numbers and names, staff notation, fingering, pedal operation, tempo, measure and beat number, chord name, etc. Inputs/Outputs USB port TYPE B Sustain jack Standard jack (sustain,

6、 sostenuto, soft, rhythm) Phones/Output jack Stereo standard jack Output Impedance: 200 , Output Voltage: 4.5 V (RMS) MAX Audio In jack Stereo mini jack Input Impedance: 9 k, Input Sensitivity: 200 mV Power Jack 9.5 V DC RadioFans.CN 收音机爱 好者资料库 CTK-2080 2 Power Supply 2-way Batteries 6 AA-size zinc-

7、carbon batteries or alkaline batteries Battery Life Approximately 3 hours continuous operation on alkaline batteries AC Adaptor AD-E95100L Auto Power Off Approximately 6 minutes (during battery operation) or 30 minutes (during AC adaptor operation) without any operation Speakers 10 cm 2 Output 2 W +

8、 2 W Power Consumption 9.5 V 7.7 W Dimensions 94.6 30.7 9.2 cm (37 1/4 12 1/16 3 5/8 inch) Weight Approximately 3.4 kg (7.5 lbs) (without batteries) CTK-2080 3 BLOCK AND WIRING DIAGRAM MAIN PCB (M822-MDA1) SUB PCB (M822-PSA1) BATTERY KEYBOARD PCB (M800-KYA1)KEYBOARD PCB (M800-KYA2) CN801 (13 pin)CN8

9、03 (16 pin)CN802 (13 pin) CN4 (16 pin) CN106 (+) CN107 (-) CN2 (10 pin)CN6 (12 pin) CN301 (10 pin)CN302 (12 pin)CN101 (11 pin) CN108 (+) CN109 (-) CN104 (+) CN105 (-) CN1 (11 pin) USB PHONES (J103) PEDAL (J1) SPEAKER (L) SPEAKER (R) MAIN VOL. (SW303) CN8 (4 pin) LOUT, ROUT AUDIO IN, ADIN, APO, STBY_

10、CTL KC0KC7, KI1, KI2, FI9, FI10 DB4DB7, E, R/W, RS, NMI MPU LSI1 Flash Memory (16 Mbit) LSI2 LCD Controller/Driver IC301 Power Amplifier IC101 MA1MA22 MD0MD15 Filter IC5 Filter IC103 Filter IC104 Power Supply Circuit IC6, C24, C25, C27, C33, C35, C183 Power Supply Circuit IC3, Q4, D1 Power Supply Ci

11、rcuit Q101, Q102, Q106, Q108, Q109, C185, C203C205, D104, D105 VA5 VD3 VD5 VA5 VA3 VD5 LOUT ADIN APO ROUT BUTTONS POWER SWITCH (SW301, SW302) DC 9.5 V IN (J102) VCP D101 D103 LCD FI0FI3, SI0SI3, KC0KC7 AUDIO IN (J104) CTK-2080 4 PCB INFORMATION M822-MDA1M822-PSA1 M800-KYA2M800-KYA1 Classifi cationPa

12、rts NamePCB NameComponents Main PCBPCB UNIT/MAINM822-MDA1 MPU, Flash Memory (16 Mbit), Power Supply Circuit, Filter, SUSTAIN Jack, USB Port Sub PCBPCB UNIT/POWER & AMPM822-PSA1 Power Supply Circuit, Power Amplifi er, Filters, LCD Controller/Driver, LCD, Buttons, Power Switch, Main Volume, DC 9.5 V T

13、erminal, AUDIO IN Jack, PHONES/OUTPUT Jack Keyboard PCBPCB UNIT/KYA M800-KYA1 Keyboard M800-KYA2 CTK-2080 5 CIRCUIT DESCRIPTION KEY MATRIX KC0KC1KC2KC3KC4KC5KC6KC7 KI0C2C2#D2D2#E2F2F2#G2 KI1G2#A2A2#B2C3C3#D3D3# KI2E3F3F3#G3G3#A3A3#B3 KI3C4C4#D4D4#E4F4F4#G4 KI4G4#A4A4#B4C5C5#D5D5# KI5E5F5F5#G5G5#A5A5

14、#B5 KI6C6C6#D6D6#E6F6F6#G6 KI7G6#A6A6#B6C7 NOMENCLATURE OF KEYS C2C3C4C5C6C7 BUTTON MATRIX KC0KC1KC2KC3KC4KC5KC6KC7 KI1 SONG BANK TONE TEMPO q SET SELECT, MUSIC CHALLENGE VOICE PAD4, NEXT START/ STOP, PLAY/ STOP METRONOME, $ BEAT REPEAT, INTRO KI2 RHYTHM, ONE TOUCH PRESET $ TEMPO w VOICE PAD2, WATCH

15、 VOICE PAD3, REMEMBER VOICE PAD1, LISTEN NORMAL/ FILL-IN, REW FUNCTION VAR./ FILL-IN, FF FI90123456- FI10789+ VOICE PAD5, AUTO SYNCHRO/ ENDING, PAUSE ACCOMP, $ CHORDS, PART SELECT SAMPLING CTK-2080 6 PRINTED CIRCUIT BOARDS Main PCB: M822-MDA1 CTK-2080 7 Sub PCB: M822-PSA1 CTK-2080 8 Keyboard PCB: M8

16、00-KYA1 Keyboard PCB: M800-KYA2 CTK-2080 9 DISASSEMBLY CAUTION z The photos show a prototype. The appearance of the instrument, such as color, may differ from the actual model. z To avoid damages to the instrument and the floor, lay the instrument on a mattress or blanket before starting disassembli

17、ng. 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 removing them. z If a screw cap is attached to a screw, be sure to reattach the screw cap when reassembling. BEFORE STARTING REPAIR OR SERVICI

18、NG z Remove the AC adaptor, AC cord or batteries. z Remove accessories such as the music stand. CTK-2080 10 DISASSEMBLY A. REMOVE THE PANEL UNITS Main panel unitRight panel unitLeft panel unit A-1. Undo 17 or seven screws on the bottom surface of the main unit. NOTE: To remove only the main panel un

19、it, undo seven screws indicated with red circles in the illustration below. CTK-2080 11 A-2. Place the main unit with the keys facing up. A-3. Lift the main panel unit and turn it over. NOTE: The main panel unit is connected to the lower case unit with the lead wires and FFCs. Use caution when turn

20、over the main panel unit. Main panel unit Lead wires (Left speaker) Lead wires (Right speaker) Lead wires (Batteries) FFC (M800-KYA2) CTK-2080 12 A-4. Disengage one hook and then remove the right panel unit. A-5. Disengage one hook and then remove the left panel unit. Right panel unitLeft panel unit

21、 HookHook CTK-2080 13 B. REMOVE THE M822-MDA1 PCB (MAIN PCB) B-1. Unsolder one FFC. FFC (M800-KYA2) M822-MDA1 PCB B-2. Unsolder three FFCs. B-3. Undo three screws and then remove the M822-MDA1 PCB. FFC (M822-PSA1)M822-MDA1 PCB The number of pins on the PCB pad differs from that on the cable. Solder

22、in the way that No.1 pin on the cable (orange) is connected to No.1 pad on the PCB. FFC (M822-PSA1) PCB: 12 pads Cable: 11 pins CTK-2080 14 C. REMOVE THE M822-PSA1 PCB (SUB PCB) C-1. Unsolder four lead wires. Lead wire (Blue) Lead wire (White)Lead wire (Black)Lead wire (Red) C-2. Undo 23 screws. C-3

23、. Remove the M822-PSA1 PCB from main panel and then unsolder two lead wires. Lead wire (Blue) Lead wire (White) CTK-2080 15 C-4. Remove the M822-PSA1 PCB, LCD components and rubber keys. LCD componentsM822-PSA1 PCB To install the M822-PSA1 PCB, tighten the screws for the LCD part in the order indica

24、ted with the numbers below. If not tighten correctly, it may cause the LCD display errors. 613 524 M822-PSA1 PCB D. REMOVE THE SPEAKER D-1. Unsolder two lead wires. D-2. Undo four screws and then remove the SPEAKER. Lead wire (White) Lead wire (Blue) Lead wire (Blue) Lead wire (White) CTK-2080 16 E.

25、 REMOVE THE KEYBOARD E-1. Undo 21 screws and then remove the keys. CTK-2080 17 F. REMOVE THE M800-KYA1/KYA2 PCBs (KEYBOARD PCB) M800-KYA1 PCBM800-KYA2 PCB F-1. Unsolder one FFC connected to the M822-MDA1 PCB. FFC (M800-KYA2) M822-MDA1 PCB F-2. Disengage the hooks and then remove the M800-KYA1/KYA2 P

26、CBs. CTK-2080 18 F-3. Remove five rubber contact strips. NOTE: One rubber contact strip differs in length. Rubber contact stripsThis rubber contact strip differs from the others in length. Lightly insert the tip of a rubber contact strip into the PCB. Pull the tip from the back of the PCB and instal

27、l it using a tool such as tweezers. Do not forcibly pull it. CTK-2080 19 DIAGNOSTIC PROGRAM PREPARATION (1) Connect the AC adaptor. NOTE: “AC ADAPTOR CHECK” cannot be performed unless the AC adaptor is connected. (2) Turn the main volume to the maximum. (3) Have a PC and a USB cable ready. NOTE: “US

28、B CHECK” cannot be performed without a PC and a USB cable. Operating System: Windows XP (SP2 or later) *1 Windows Vista *2 Windows 7 *3 Mac OS X (10.3.9, 10.4.11, 10.5.8 or later, 10.6.6 or later) *1: Windows XP Home Edition/Windows XP Professional (32 bit) *2: Windows Vista (32 bit) *3: Windows 7 (

29、32 bit, 64 bit) HOW TO START THE DIAGNOSTIC PROGRAM (1) Hold down the “0”, “1” and “2” buttons at the same time, to turn the power ON. NOTE: Be sure to turn OFF the power when the test is finished. (2) Release the “0”, “1” and “2” buttons. (3) After the diagnostic program is launched, the test mode

30、screen appears. CTK-2080 20 TEST ITEMS Pressing a test button after the diagnostic program was launched or while on the main screen enables the corresponding test item to be tested. Test ItemsButtonsNote A. BUTTON CHECK1 B. AC ADAPTOR CHECK3AC adaptor C. ROM VERSION & MODEL CHECK9 D. LCD CHECK2 E. U

31、SB CHECKPC, USB cable TEST PROCEDURES A. BUTTON CHECK A-1. Press the “1” button to select the “BUTTON CHECK”. CTK-2080 21 A-2. Press the button in the order indicated in the illustration. NOTE: You cannot cancel this check procedure mid-way. The confirmation chord sounds and “1:SW00XX” is displayed

32、on the LCD with “XX” indicating the corresponding button number in the illustration. If there is a button failure or the buttons are pressed in a wrong sequence, an error tone sounds and the button number which you pressed will be displayed on the LCD. 1F 03 00 02 0D0A0B0E0C0F SW OK! 161514 191817 1

33、211 1B 1A 10 01 040506071C 1E1D0908 START CTK-2080 22 A-3. When the “3” button is pressed at the end, a confirmation chord sounds and “SW OK!” is displayed on the LCD. A-4. Check to see if the LCD is as shown below. A-5. Press the “0” button to return to the main screen. B. AC ADAPTOR CHECK B-1. Pre

34、ss the “3” button to select the “AC ADAPTOR CHECK”. B-2. Make sure that a value “X” shown in the illustration is in the range of 1 to 3. B-3. Press the “3” button again. B-4. Make sure that a value “XX” shown in the illustration is in the range of 00 to FF. B-5. Press the “0” button to return to the

35、 main screen. CTK-2080 23 C. ROM VERSION & MODEL CHECK C-1. Press the “9” button to perform the “ROM VERSION CHECK”. The ROM version appears on the LCD. C-2. Check that the ROM version is “18376”. C-3. Press the “9” button to perform the “MODEL CHECK”. The model name appears on the LCD. C-4. Check t

36、hat the model name is “MX822”. C-5. Press the “0” button to return to the main screen. CTK-2080 24 D. LCD CHECK D-1. Press the “2” button to select the “LCD CHECK”. D-2. Press the “2” button and check to see if all LCDs are lit. D-3. Press the “2” button and check to see if all LCDs are turned off.

37、D-4. Press the “0” button to return to the main screen. CTK-2080 25 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 Manager”, and then make sure “USB Audio Devices” is listed under “Sound,

38、video and game controllers”. E-3. Disconnect the USB cable. E-4. Verify “USB Audio Devices” is not listed under “Sound, video and game controllers”. CTK-2080 26 EXPLODED VIEW 14 13 15 12 6 17 18 26 29 27 28 16 1 20 3 32 33 32 21 21 19 24 23 25 22 22 23 24 25 34 35 39 35 40 41 43 42 45 44 46 30 31 36

39、 38 2 10 7 7 4 5 9 11 36 8-1 8 47 37 37-1 Notes: 1. Pricesandspecificationsaresubjecttochange withoutpriornotice. 2. Refertothelatest“PartsPriceCode”at “PARTSFINDER”ontheCasioServiceWEBsite (). 3. Asforsparepartsorderandsupply,referto the“GUIDEBOOKforSparepartsSupply”, publishedseparately. 4. Thenum

40、bersinitemcolumncorrespondto thesamenumbersindrawing. 27 PARTS LIST CTK-2080 CTK-2080 28 CTK-2080_US NItemCode No.Parts NameSpecificationQty Price Code RRemarks MAIN PCB N110401017PCB UNIT/MAINTK-RJM511249*0011AMDA1 J110206815JACK/PEDALJY-6314*01-0301B CN810236624CONNECTOR/USBUBR24-4K5G001C L1110193

41、074COILDLW21HN181SQ2L1X D410009218DIODE1SS400TE611X IC510211950ICNJM2068M-D(TE1)1X NIC610398240ICXC6402FV36PR-G1X NLSI210396644MEMORYMX29LV160DBTI-70G1C X110375016RESONATOR7V480800061X NQ12,Q1310399706TRANSISTORDSC500100L2X SUB PCB N210401018PCB UNIT/POWER & AMPTK-RJM511239*0011BPSA1 L103,L104102319

42、19COILRB53-856396NP2X L102,L105,L10610231920COILRB53-856397NP3X J10235015103JACK/DCHEC3110-01-0101A J10310305218JACK/PHONEJY-6316B*01-0701B J10410305131JACK/AUDIO INST-3529B1B IC103,IC10410206677ICNJM2068D-D2C NIC10110370338ICTA8227APG-D12-H-T1X IC30110222381LSIST7066U-0A-QG1C Q10610206835TRANSISTOR

43、KTA1046-Y-U/P1X VR30169304870VARIABLE RESISTOREVND8AA03B531XContrast for LCD D103,D104, D301-D308 23901820DIODE1SS355TE-1710X D101,D10210261170DIODESRT14-A22X D10523603102DIODEUDZSTE-175.1B1X TH30110245365THERMISTORTSM1A103J34D3RZ1X N Q102,Q104, Q108,Q109 10399706TRANSISTORDSC500100L4X Q10510217742T

44、RANSISTORKTA1270-Y-AT/P1X Q10110206675TRANSISTORKTA1273-Y-AT/P1X KEYBOARD PCB 310401014PCB UNIT/KYATK-RJM508609*0031CKYA1/KYA2 D801-D830,D83210301580DIODELM1MA142WAT1G31X PANEL UNIT N410402407DISPLAY PLATERJM511072-001V021X 510199714KNOB/SLIDERJM503803-002V011X N610400571CASE/PANELRJM511042-002V011X

45、 769276630FABRIC TAPE/8X15M440832-12X 869270510SLIDE CONTACT/8DCSB-08D1X 8-110417025FABRIC TAPE/SLRJM511833-001V011X N910402514SHEET/for fireproofingRJM511371-001V021X N1010405127LCDZAS-TY012725DN001X 1110301465RUBBER CONNECTOR/for LCDRJM508539-001V012X N1210400577RUBBER BUTTON/ARJM511051-001V011X N

46、1310400579RUBBER BUTTON/BRJM511052-001V011X N1410400581RUBBER BUTTON/CRJM511053-001V011X N1510400583RUBBER BUTTON/DRJM511054-001V011X N1610400585RUBBER BUTTON/ERJM511055-001V011X N1710400589RUBBER BUTTON/FRJM511056-001V011X N1810400591RUBBER BUTTON/GRJM511057-001V011X CTK-2080 29 CTK-2080_US NItemCode No.Parts NameSpecificationQty Price Code RRemarks SIDE PANEL UNIT N1910394575CASE/SIDE PANEL/LEFTRJM511043-001V011X N2010394576CASE/SIDE PANEL/RIGHTRJM511044-001V011X N2110405274PACKING/8X200RJM511196-002V012X N2210264808SPEAKERC10J01A2X N231040240