Casio_CTK-691_Service_Manual电路图.pdf

《Casio_CTK-691_Service_Manual电路图.pdf》由会员分享，可在线阅读，更多相关《Casio_CTK-691_Service_Manual电路图.pdf（28页珍藏版）》请在收音机爱好者资料库上搜索。

1、ELECTRONIC KEYBOARD CTK-691 CTK-691 JUN. 2003 Ver.2 : Sep. 2006 RadioFans.CN 收音机爱 好者资料库 INDEX CONTENTS Page Specifications . 1 Block Diagram. 3 Circuit Description . 4 Printed Circuit Boards . 5 Disassembly. 8 Diagnostic Program. 14 Schematic Diagrams . 17 Exploded View . 22 Parts List . 23 RadioFan

2、s.CN 收音机爱 好者资料库 1 SPECIFICATIONS GENERAL Keyboard:61 standard-size keys, 5 octaves with touch response (Off / 1 / 2 / 3) Tones:300 Advanced Tones + 200 Preset Tones + 16 Drum Sets + 100 standard user tones + 20 user tones with waves*: + 4 drum sets with waves* + 50 drawbar organ tones + 100 user dra

3、wbar organ tones (790 tones total); layer/split Rhythm Instrument Tones:61 Polyphony:32 notes maximum (10 for certain tones) Effects:DSP (200 types: internal, 100 user areas) + Reverb (16 types) + Chorus (16 types) + Equalizer (10 types, 4 bands) Auto Accompaniment Rhythm Patterns:156 (internal, 16

4、user areas*) Tempo:Variable (226 steps, = 30 to 255) Chords:3 fingering methods (CASIO CHORD, FINGERED, FULL RANGE CHORD) Rhythm Controller:START/STOP, INTRO/ENDING 1 and 2, VARIATION/FILL-IN 1 and 2, SYNCHRO/FILL-IN NEXT Accomp Volume:0 to 127 (128 steps) One Touch Presets:Recalls settings for tone

5、, tempo, layer on/off, and harmonize on/off in accordance with rhythm. Auto Harmonize:10 types: Automatic addition of notes that harmonize with melody note in accordance with specified Auto Accompaniment chords. Memory Function Songs:5 Recording Tracks:6 (2 through 6 are melody tracks) Recording Met

6、hods:Real-time, step Memory Capacity:Approximately 10,000 notes (total for 5 songs) Edit Function:Equipped Demo Tunes:3 Synthesizer Function Parameters:Attack time; release time; resonance; cutoff frequency; vibrato type; vibrato delay; vibrato depth; vibrato rate; octave shift; level; touch sense;

7、reverb send; chorus send; DSP line; DSP type and DSP parameter, DSP level. Registration Memory Number of Setups:32 (4 setups 8 banks) Memory Contents:Tone, Rhythm, Tempo, Layer on/off, Split on/off, Split point, Harmonize on/ off, Mixer settings (Channels 1 to 10), Effect settings, Touch Response se

8、ttings, Assignable jack setting, Transpose, Tuning, Accompaniment volume setting, Auto Harmonize type, MODE button setting, Synchro standby state, Mixer Hold, DSP Hold, Synthesizer Mode parameters Mixer Function Channels:16 Parameters:Tone; part on/off; volume; pan pot; octave shift; coarse tune; fi

9、ne tune; reverb send; chorus send; DSP line; DSP level; DSP pan; DSP system reverb send; DSP system chorus send MIDI:16 multi-timbre receive, GM Level 1 standard Tune Number 0 1 2 Name Nora Park Garage Flava Strut With Beauty Composer TECH-NOTE INTERNATIONAL LTD. Steave Turner Edward Alstrom Play ti

10、me 2:06 2:15 1:52 RadioFans.CN 收音机爱 好者资料库 2 Other Functions Transpose:49 steps (24 semitones to +24 semitones) Tuning:Variable (A4 = approximately 440Hz 100 cents) LCD:Adjustable contrast SMF PlayerFlash memory storage for up to 200 files* Supported Format: SMF0 Flash MemoryCapacity: 2MB Shared Area

11、: Approximately 1.5MB (waveform data, accompaniment data, SMF data) Further storage of waveform, accompaniment, and SMF data becomes impossible after the total of such data reaches approximately 1.5MB. Terminals MIDI Terminals:IN, OUT Sustain/Assignable Terminal:Standard jack (sustain, sostenuto, so

12、ft, rhythm start/stop) Headphone/Output Terminal:Stereo standard jack Output Impedance: 140 Output Voltage: 4.5V (RMS) MAX Power Supply Terminal:9V DC Power Supply:Dual power supply system Batteries:6 D-size batteries Battery Life:Approximately 4 hours continuous operation on manganese batteries AC

13、Adaptor:AD-5 Auto Power Off:Turns power off approximately six minutes after last key operation. Enabled under battery power only, can be disabled manually. Speaker Output:3W + 3W Power consumption:9V 7.7W Dimensions:96.0 37.5 14.6 cm (37 13/16 14 3/4 5 3/4 inch) Weight:Approximately 5.6 kg (12.3lbs)

14、 (without batteries) * The same memory area is used to store waveform data, accompaniment data, and SMF data. ELECTRICAL Current drain with 9 V DC: No sound output1200 mA 20 % Maximum volume260 mA 20 % with 16 keys from C1 to D#2 pressed in 193 BREATHY ALTO SAX (R channel) Volume: maximum, Velocity:

15、 maximum Speaker output level (Vrms with 4 load each channel): with key G1 in 193 BREATHY ALTO SAX (R channel) Volume: maximun, Velocity: maximumL/R: 3700 mV 20 % Phone output level (Vrms with 32 load each channel): with key, E1 in 193 BREATHY ALTO SAX (R channel) Volume: maximun, Velocity: maximumL

16、/R:320 mV 20 % Output level (Vrms with 47 load each channel): with key E1 in 193 BREATHY ALTO SAX (R channel) Volume: maximun, Velocity: maximumL/R: 1750 mV 20 % About General MIDI General MIDI standardizes MIDI data for all sound source types, regardless of manufacturer. General MIDI specifies such

17、 factors as tone numbering, drum sounds, and available MIDI channels for all sound sources. This standard makes it possible for all MIDI equipment to reproduce the same nuances when playing General MIDI data, regardless of the manufacturer of the sound source. This keyboard supports General MIDI, so

18、 it can be used to play commercially available pre-recorded General MIDI data and General MIDI data send to it from a personal computer. 3 BLOCK DIAGRAM MIDI RAM (1Mbit) IC2 CY62128VLL-70AZI PEDAL Assingnable Jack Reset IC IC4 R1151N001C-TR RESET 16.384MHz EA0 EA19 ED12 ED19 MA0 MA20 MD0 MD15 Q207 D

19、209 Filter IC202, IC203 DAC IC3 PD6379LGR-E1 Main Volume Power Amplifier IC201 LA4636 Power Supply Circuit Q201 Q206, D201, D204, D205, D207, D208 (9V) VC (5V) VD5 (5V) VA5 (9V) VCP APO ADIN Battery APO Cancellation Speakers (L) (R) Phones/Output LOUT CONT ROUT AC Adaptor DC 9V Keyboard Buttons FLAS

20、H ROM (16MBit) IC5 LH28F160BJHE-BTL90 RAM (1Mbit) IC12 CY62128VLL-70AZI ROM (64Mbit) IC8 MR27V6402G01BTNZ04 MA0 MA21 MD0 MD15 MD0 MD15 MA0 MA15, MA25 MA0 MA23, MA25 MD0 MD7 MA1 MA3 MD0 MD15 CPU IC10 uPD914AGM-3ED KEY/BOTTON CONTROLLER IC13 TC190C020AF-001 KC0 KC7 SI0 SI7 FI0 FI7 FI8 FI10, FI0 FI7, K

21、I0 KI2, LD14 LD16, LD20 LD22 LCD Controller ML9040-B02GA (IC501) IN OUT D203 MA0 MA20 4 CIRCUIT DESCRIPTION KEY MATRIX BUTTON MATRIX KC0KC1KC2KC3KC4KC5KC6KC7- C2 (1)C#2(1)D2 (1)D#2 (1)E2 (1)F2 (1)F#2 (1)G2 (1) C2 (2)C#2 (2)D2 (2)D#2 (2)E2 (2)F2 (2)F#2 (2)G2 (2) G#2 (1)A2 (1)A#2 (1)B2 (1)C3 (1)C#3 (1

22、)D3 (1)D#3 (1) G#2 (2)A2 (2)A#2 (2)B2 (2)C3 (2)C#3 (2)D3 (2)D#3 (2) E3 (1)F3 (1)F#3 (1)G3 (1)G#3 (1)A3 (1)A#3 (1)B3 (1) E3 (2)F3 (2)F#3 (2)G3 (2)G#3 (2)A3 (2)A#3 (2)B3 (2) C4 (1)C#4 (1)D4 (1)D#4 (1)E4 (1)F4 (1)F#4 (1)G4 (1) C4 (2)C#4 (2)D4 (2)D#4 (2)E4 (2)F4 (2)F#4 (2)G4 (2) G#4 (1)A4 (1)A#4 (1)B4 (

23、1)C5 (1)C#5 (1)D5 (1)D#5 (1) G#4 (2)A4 (2)A#4 (2)B4 (2)C5 (2)C#5 (2)D5 (2)D#5 (2) E5 (1)F5 (1)F#5 (1)G5 (1)G#5 (1)A5 (1)A#5 (1)B5 (1) E5 (2)F5 (2)F#5 (2)G5 (2)G#5 (2)A5 (2)A#5 (2)B5 (2) C6 (1)C#6 (1)D6 (1)D#6 (1)E6 (1)F6 (1)F#6 (1)G6 (1) C6 (2)C#6 (2)D6 (2)D#6 (2)E6 (2)F6 (2)F#6 (2)G6 (2) G#6 (1)A6

24、(1)A#6 (1)B6 (1)C7 (1) G#6 (2)A6 (2)A#6 (2)B6 (2)C7 (2) FI0 SI0 FI1 SI1 FI2 SI2 FI3 SI3 FI4 SI4 FI5 SI5 FI6 SI6 FI7 SI7 KC4 PART EDIT TONE EDIT SETTING TEMPO UP BANK EFFECT EDIT KC5 SEQ ACCOMP VOLUME ONE TOUCH PRESET REGISTRATION 1 TEMPO DOWN SMF PLAY KI0 KI1 KI2 FI8 FI9 FI10 KC2 DSP ON/OFF PIANO SE

25、TTING RHYTHM CURSOR CURSOR TONE KC3 CURSOR EXIT CURSOR 7 4 DRAWBAR KC0 9 6 3 + LAYER DEMO KC1 8 0 1 2 5 KC6 STORE INTRO/ENDING 2 INTRO/ENDING 1 SPLIT AUTO HARMONIZE START/STOP KC7 SYNCRO/FILL-IN NEXT VARIATION/FILL-IN 2 VARIATION/FILL-IN 1 REGISTRATION 4 REGISTRATION 3 REGISTRATION 2 5 PRINTED CIRCU

26、IT BOARDS Main PCB M705-MA1M Top View Bottom View 6 Sub PCB M705-MA2M LCD PCB M705-LCD1M Top View Top View 7 CONSOLE PCB M705-CN2M Top View CONSOLE PCB M705-CN1M Top View CONSOLE PCB M705-CN4MCONSOLE PCB M705-CN3M Top View Top View 8 DISASSEMBLY 1. Remove the battery cover and then the battery. 2. R

27、emove 27 screws and then the upper case. 3. Remove 5 screws, 4 speaker cords, 2 battery cords, 3 connectors (JC, JG, JH) and then the PCB ASSY (MA2M). Speaker cord (BL) Speaker cord (W) Speaker cord (O) Speaker cord (W) Battery cord (R) Battery cord (B) Screws Connectors 9 4. Remove 4 screws, 6 conn

28、ectors (JA, JB, JC, JD, JE, JF) and then the PCB ASSY (MA1M). 5. Remove 6 screws and then the LCD ASSY (LCD1M). Note: Tighten the screws in the order from 1 to 6 when reassembling. 1 2 3 4 5 6 Screws Screws Screws Connectors Connectors Connectors Note: How to attach a HEAT-SINK Insert aTRANSISTOR in

29、to the PWB after attaching a HEAT- SINK to the TRANSISTOR. Be soldering sfter that. HEAT-SINK TRANSISTOR 10 Screws 6. Remove 3 screws, connector (JL), and then the PCB ASSY (CN3M). Connector 7. Remove 2 screws, the volume knob, and then the PCB ASSY (CN2M). Volume knobScrews 8. Remove 22 screws and

30、then the PCB ASSY (CN1M). 11 Note: Fix the LED (D301, D302, D303, D304, D305, D306, D307) to the PCB according to the height as shown in the figure below while paying attention to the polarity. Refer to the illustration on the PCB for the details of the polarity. AnodeCathode D301 D302 D306D303 D305

31、 I D301, D302 D307 9. Remove 13 screws and then the lower case. Note: Tighten the screw with the arrow mark in the figure first when reassembling. Cushion D304 Note: Mount LED on the PCB. (solder side) Correct polarity and height as follows. I D303, D304 15.0 0.5 mm SOLDER SIDE COMPONENT SIDE 14.5 0

32、.5 mm SOLDER SIDE COMPONENT SIDE I D305I D306, D307 12.5 0.5 mm SOLDER SIDE COMPONENT SIDE 6.8 0.5 mm SOLDER SIDE COMPONENT SIDE 12 10.Remove 19 screws and then the PCB ASSY (KY1M, KY2M). 11.Remove the rubber keys. Note: Pay attention to the positions of the rubber keys as one of them has a differen

33、t length. Match the projections of the rubber keys with the holes of the lower case when reassembling. Projection 13 12.Remove 21 screws and then the white keys. 13.Remove the black keys. Note: Pay attention to the positions of the screw holes when reassembling. 14 ORHYTHM PDRAWBAR ORGAN QDSP RPIANO

34、 SETTING SCursor key Up TCursor key Right UCursor key Down VCursor key Left WEXIT XAUTO HARMONIZE YSPLIT ZLAYER IInitial Setup 1. Connect an AC adaptor. 2. Connect a Sustain pedal. 3. Main volume: MAX. NOTE: If there is no pedal or MIDI cable, pedal or MIDI check can be skipped. I How to start diagn

35、ostic program 1. Press the “POWER” button while pressing the “Cursor key Up” and “Cursor key Down” buttons. 2. Release the “POWER” button first while still pressing the “Cursor key UP” and “Cursor key Down” buttons. After “000 Sy.Gr Pno” appears, release the “Cursor key UP” and “Cursor key Down” but

36、tons. “TEST 705” appears on the LCD. NOTE: Refer to the figure below for the LCD messages that appear during the diagnostic program. 1MODE 2ONE TOUCH PRESET 3ACCOMP VOLUME 4INTRO/ENDING 1 5INTRO/ENDING 2 6VARIATION/FILL-IN 1 7VARIATION/FILL-IN 2 8SYNCHRO/FILL-IN NEXT 9START/STOP TEMPO? ATEMPO? BBANK

37、 CREGISTRATION 1 DREGISTRATION 2 EREGISTRATION 3 FREGISTRATION 4 GSTORE HTRANSPOSE/FUNCTION IMIXER JSYNTH KEFFECT LSONG MEMORY MSMF PLAYER NTONE DIAGNOSTIC PROGRAM I Diagnostic program 1. Button check 1 Press “DSP” button. Display indicates 3 “MODE”. 2 Press buttons in the following order. NOTE: NG

38、sound sounds when a button is defective or buttons are pressed in a wrong order. LCD message appears in the area 3 OTP ACMP VOL INT/END1 INT/END2 VAR/FIL 1 VAR/FIL 2 SYNCHRO STRT/STP TEMPO/DW TEMPO/UP BANK REGIST 1 REGIST 2 REGIST 3 REGIST 4 STORE TRN/FUNC MIXER SYNTH EFFECT SONG SMF TONE RHYTHM Mes

39、sage on LCDMessage on LCDMessage on LCDMessage on LCD 1 234 56 7890ABCD DRAWBAR DSP PIANO UP RIGHT DOWN LEFT EXIT HARMO SPLIT LAYER 0 0 buttons 1 buttons 4 buttons 7 buttons a8 buttons b5 buttons c2 buttons d- buttons e+ buttons f3 buttons g6 buttons h9 buttons iDEMO 1 4 7 8 5 2 - + 3 6 9 DEMO SW OK

40、 T U S V W ZYX GFEDCB A0987654 12 3 H J L I K M i Q N O P R d c b a e f g h 15 2. AC adaptor detection check. 1 Press “TONE” button. 2When the instrument detects that an AC adaptor is plugged in, an OK sound sounds. “ACJ OFF” appears and an NG sound sounds when the AC adaptor is not plugged (when ba

41、tteries are used). 3. Sustain jack check. (If no pedal, this check can be skipped) 1 Press “RHYTHM” button. 2 Press “Sustain pedal” . 3 Release “Sustain pedal” . 4 NG sound, “OFF” sound this case, must be audible. 4. Low Voltage detection check. 1 Press “DRAWBAR ORGAN” button. 2 OK sound must be aud

42、ible. 5. MIDI IN/OUT check (If there is no MIDI cable, this check can be skipped) 1 Connect MIDI IN and MIDI OUT terminals with a MIDI cable. 2 Press “3” button. 3 Disconnect the MIDI cable. 6. ROM check 1 Press “INTRO/ENDING1” button. 2 OK sound must be audible. 7. Flash memory bus check 1 Press “I

43、NTRO/ENDING2” button. 2 OK sound must be audible. 8. DSP RAM check 1 Press “VARIATION/FILL-IN 2” button 9. CPU RAM check 1 Press “SYNCHRO/FILL-IN NEXT” button. 10. LED check 1 Press “TEMPO?” button. 2 LEDs illuminate in the following order. a. FULL RANGE b. FINGERED c . CASIO CHORD d. DATA ACCESS e.

44、 DRAWBAR ORGAN f . DSP 11. LCD check 1 Press “TEMPO?” button. 2 Turn on all segments of the LCD. 3 Press “BANK” button. 4 The area 3 turns as check pattern. 5 Press “REGISTRATION 1” button. 6 The area 3 turns as check pattern. 7 Press “REGISTRATION 2” button. 8 Half of characters in area 1 to D turn

45、 on. 9 Press “REGISTRATION 3” button. Message on LCD 3 ACJ ON 3 SUS CHK 3 SUS ON 3 US OFF 3 VOLT HI 4 ROM CHK ? 3 ROM OK 3 FMB CHK ? 3 FMB OK 3 MIDI OK 3 DRAM OK 3 CRAM OK 3 LED CHK ? ? ? ? ? ? ? 3 LED END Except area 3 Except area 3 16 = Rest of above characters turn on. A Press “REGISTRATION 4” button. B Each characters turn in order. There no lack of dots and characters 12. TUNE check (If no TUNING METER, this check can be skipped) 1 Connect the TUNING METER to the phone jack. 2 Pre