Casio_GZ-5_Service_Manual电路图.pdf

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1、MIDI MASTER KEYBOARD GZ-5 (with price) MIDI MASTER KEYBOARD INTERNAL ppp mp mffff VELOCITY OCTAVE SHIFT C1 C2 C3 C4 C5 C6 PROGRAM CHANGE 0 VELOCITY 1 VOLUME 2 PAN 3 EXPRES- SION 4 HOLD 1 5 SOFT 6 EFFECT DEPTH 7 FINE TUNE 8 COARSE TUNE 9 ENTER CONTROLMIDI CH.BEND SENS BEND CURVE MOD. DEPTH PIANOE. PI

2、ANOE. GUITARVIBRAPHONEE. BASSSTRINGSBRASSFLUTE SYNTH-LEADVOLUME POWER OFF MIDI OUT MODE ORGAN ALL NOTE OFF RESET ALL CONTROLLERGM RESET MODULATIONPITCH BEND GZ-5 RadioFans.CN 收音机爱 好者资料库 2 ELECTRICAL Current Drain with 7.5 V DC: No Sound Output35 mA 20% Maximum Volume103 mA 20% with keys A2, B2, C3 a

3、nd D3 pressed in Synth-Lead tone, Volume: Maximum Speaker Output Level at 10 cm away from the speaker690 mV 20% with key C3 pressed in Synth-Lead tone Volume: Maximum Minimum Operating Voltage:4.8 V SPECIFICATIONS GENERAL (Internal Mode) Number of Keys:32 Polyphonic:4-note Preset Tones:10;Piano, E.

4、Piano, Vibraphone, Organ, E. Guitar, E. Bass, Strings, Brass, Flute, Synth-Lead Controls:Volume control; 5 levels, Pitch bend switch, Modulation switch Built-In Speaker:6.5 cm dia. 0.5 W input rating: 1 pec. Tuning:A4=442 Hz (fixed) Terminals:MIDI Output, AC Adapter Jack (DV 7.5 V) Power Source:DC:

5、4 AA size dry batteries Battery life: Approx. 6 hours (SUM-3/R6P) AC: AC Adapter AD-1 Power Consumption:0.7 W when operating by batteries 1.0 W when operating by an AC adapter Dimensions (HWD):50 x 399 x 132 mm (1-15/16 x 15-11/16 x 5-3/16 inches) Weight:0.64 kg (1.4 lbs) including batteries CONTENT

6、S Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7、 . . . 8 Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Part

8、s List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 RadioFans.CN 收音机爱 好者资料库 3 MIDI MessageOperation switchSettingOpeartion for setting Note No.Keyboard Octave shift switchOctave range See the figure below VelocityKeyboard Velocity switchVelocity value CO

9、NTROL + VELOCITY, XXX, ENTER Pitch BendPitch bend switchBend sense Bend curve BEND SENS, XXX, ENTER BEND CURVE, X, ENTER ModulationModulation switchModulation depth MOD.DEPTH, XXX, ENTER OPERATION Transmitting MIDI Messages To transmit MIDI messages, set the Mode Switch to the MIDI OUT position. Ope

10、ration 1 The note number is transmitted when the corresponding key is pressed. Use the Octave Shift Switch, and select the position appropriate to the octave range you want. GZ-5 can send note numbers 17 to 108 but it has 32 keys only. Velocity is also transmitted when a key is pressed. GZ-5 sends t

11、he velocity in accordance with the selected position of the velocity switch. Data of pitch bend and modulation is transmitted when the corresponding switch is operated. The values of the velocity, the pitch bend and the modulation switches are automatically set up to the initial value when turning o

12、n the power. See the appendix for information about the initial value. See the following table for instruction how to change the value. Example of operation :CONTROL + VELOCITY, XXX, ENTER Press CONTROL button and VELOCITY button at the same time. Use the 10-key pads, enter a 3-digit number. Press E

13、NTER button. Position of the octave switch and octave range C1 C4=60 C2 C3 C4 C5 C6 C1C2C3C4C5C6 RadioFans.CN 收音机爱 好者资料库 4 Operation 2 The MIDI messages listed below are transmitted when completing the operation shown in the following table. Example of operation :CONTROL + VELOCITY, XXX, ENTER Press

14、 CONTROL button and VELOCITY button at the same time. Use the 10-key pads, enter a 3-digit number. Press ENTER button. Notes: 1.See the appendix for information about a value to be entered, XXX. 2.For details of MIDI message and operation, see GZ-5 operation manual. MIDI MessageOperation Program cha

15、nge CONTROL + PROGRAM CHANGE, XXX, ENTER Volume CONTROL + VOLUME, XXX, ENTER Pan CONTROL + PAN, XXX, ENTER Expression CONTROL + EXPRESSION, XXX, ENTER Hold 1 CONTROL + HOLD 1, XXX, ENTER Soft pedal CONTROL + SOFT PEDAL, XXX, ENTER Effect depth CONTROL + EFFECT DEPTH, XXX, ENTER Fine tune CONTROL + F

16、INE TUNE, XXX, ENTER Coarse tune CONTROL + COARSE TUNE, XXX ENTER All notes off CONTROL + MIDI CH. Reset all controller MIDI CH. + BEND SENSE General MIDI reset BEND CURVE + MOD. DEPTH MIDI channel MIDI CH., XXX, ENTER Control change 5 Initial Value/Setting Range Setting Range Piano, E. Piano, Vibra

17、phone, Organ, E.Guitar, E.Bass, Strings, Brass, Flute, Synth-Lead 0 - 3 5 levels Setting Range 0 - 127 1 - 127 0 - 127 0 - 127 0 - 127 0 - 127 0 - 127 0 - 127 0 - 127 0 - 127 pp (50), p (70), mp (85), mf (95), f (110), ff (127) C1, C2, C3, C4, C5, C6 0 - 127 0 (approx. 0.048 sec.), 1 (approx. 0.096

18、sec) 2 (approx. 0.192 sec.), 3 (approx. 0.384 sec.) 4 (approx. 0.768 sec.) 0 - 127 1 - 16 Internal Mode Tone Bend Sens Volume MIDI Out Mode Control Program Change Velocity Volume Pan Expression Hold 1 Soft Effect Depth Fine Tune Coarse Tune Velocity Octave Shift Vend Sense Bend Curve Modulation Dept

19、h MIDI Channel Initial Setting Piano 2 Max. Initial Setting mf (95) C4 1 (Approx. 0.096 sec) 127 1 6 Program Change 0 - 127 Note ON/OFF Note No.:F0 - C8 (17 - 108) Velocity:1 - 127Note ON 0Note OFF Pitch Bend:0 - 16383 (14 bits) Control Change ModulationController No.: 1 Controller Value: 0 - 127 Vo

20、lumeController No.: 7 Controller Value: 0 - 127 PANController No.: 10 Controller Value: 0 - 127 Expression Controller No.: 11 Controller Value: 0 - 127 HOLD 1Controller No.: 64 Controller Value: 0 - 127 Soft PedalController No.: 67 Controller Value: 0 - 127 External Effect Depth Controller No.: 91 C

21、ontroller Value: 0 - 127 MIDI Transmission Registered Parameter Number Pitch Bend Sensitivity RPN LSB (100):0 RPN MSB (101):0 Data Entry MSB (6):0 - 127 Data Entry LSB (38): 0 Fine Tune RPN LSB (100):1 RPN MSB (101):0 Data Entry MSB (6):0 -127 Data Entry LSB (38): 0 Coarse Tune RPN LSB (100):2 RPN M

22、SB (101):0 Data Entry MSB (6):0 - 127 Data Entry LSB (38): 0 Channel Mode Message Reset All Controller Controller No.: 121 Controller Value: 0 All Note Off Controller No.: 123 Controller Value: 0 System Exclusive Message GM ON F0 7E 7F 09 01 F7 Tone PIANO E.PIANO VIBRAPHONE ORGAN E.GUITAR Range F3 -

23、 C6 F3 - C6 F3 - C6 F3 - C6 F4 - C7 Tone E.BASS STRINGS BRASS FLUTE SYNTH-LEAD Range F2 - C5 F3 - C6 F3 - C6 F3 - C6 F3 - C6 Note Range of Keyboard Play 7 MIDI Implementation Chart BasicDefault ChannelChanged Default ModeMessages Altered Note Number:True voice VelocityNote ON Note OFF AfterKeys Touc

24、hChs Pitch Bender Control01 Change06, 38 07 10 11 64 67 91 100, 101 121 Program Change: True # System Exclusive System: Song Pos Common: Song Sel : Tune System: Clock Real Time : Commands Aux: Local ON/OFF Messages : All notes OFF : Active Sense : Reset Remarks Function .TransmittedRecognizedRemarks

25、 1 channel 1-16 channel X EEEEEEEEEEEEEE 17 108 EEEEEEEEEEEEEE O9nH v = 1127 X9nH v = 0, 8nH v = EE X X O O O*1 O O O O O O O*1 O O0 127 EEEEEEEEEEEEEE O*2 X X X X X X O X X *1: Pitch Bend Sens Fine Tune Coarse Tune Version: 1.0 Mode 1 : OMNI ON, POLYMode 2 : OMNI ON, MONOO: Yes Mode 3 : OMNI OFF, P

26、OLYMode 4 : OMNI OFF, MONOX: No X X X X EEEEEEEEEEEEEE X EEEEEEEEEEEEEE X X X X X X X X X X X X X X X X EEEEEEEEEEEEEE X X X X X X X X X X EE = No relation Modulation Data entry Volume PAN Expression Hold 1 Soft External effect depth RPN LSB MSB Reset all controller *2 : GM On *2 : GM On F0 7E 7F 09

27、 01 F7 8 BLOCK DIAGRAM F#3 G#3 A#3C#4 D#4F#4 G#4 A#4C#5 D#5F#5 G#5 A#5 F3G3A3B3C4D4E4F4G4A4B4C5D5E5F5G5A5B5C6 Nomenclature of Keys KO0KO10 KI0KI7 Keyboard Switches Oscillator Q958, X957 CPU MSM6387-A23 LSI101 Amplifier AN8053N IC101 Speaker VDD MIDI Output OUT KO11 Driver Q101 9 CIRCUIT DESCRIPTION

28、Key Matrix KI0KI1KI2KI3KI4KI5KI6KI7 KO0F3F#3G3G#3A3A#3B3C4 KO1C#4D4D#4E4F4F#4G4G#4 KO2A4A#4B4C5C#5D5D#5E5 KO3F5F#5G5G#5A5A#5B5C6 KO4Pad 0Pad 1Pad 2Pad 3Pad 4 KO5EnterPad 5Pad 6Pad 7Pad 8Pad 9 KO6 Volume Up Volume Down Bend Sense MIDI CH.Control KO7 Pitch Bend - Pitch Bend + KO8 Modula- tion KO9 Velo

29、city ff Velocity f Velocity mf Velocity mp Velocity p Velocity pp KO10InternalMIDI Out Octave Shift C6 Octave Shift C5 Octave Shift C4 Octave Shift C3 Octave Shift C2 Octave Shift C1 Pin No.TerminalIn/ OutFunction 1, 2TEST1, TEST2 Not used. Connected to ground. 3RESETIn Power ON reset input. On: +6V

30、 Off: 0V 4AVDDIn +5 V sorce for the built-in DAC 5OUTOut Sound waveform output 6AGNDIn Ground (0 V) source for the built-in DAC 7GNDIn Ground (0 V) source 8COSIIn 21.725 MHz clock pulse input 9COSO Not used. 10VDDIn +5 V source 11 18KI0 KI7In Input terminal from keys and switches 19 KO11Out MIDI sig

31、nal output 20 30KO10 KO0Out Key and switch scan signal output CPU (LSI101: MSM6387-A23) Containing a MIDI controller, the CPU outputs MIDI messages in accordance with the pressed keys and buttons. The following table shows the pin functions of LSI101. 10 SCHEMATIC DIAGRAMS 11 Main PCB JCM558-MA1M 12

32、 2 1 3 4 5 5 6 7 8 9 10 11 12 12-1 13 12-2 14 EXPLODED VIEW Notes: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 parts Supply, published seperately. 3.The numbers in item column correspond to the same

33、numbers in drawing. PARTS LIST GZ-5 FOB Japan NItemCode No.Parts NameSpecificationQ N.R.YenR Unit Price Electrical Parts N126923 6680PCB assy JCM558-MA1MM240209*1 11,650B NLSI1012012 0196LSIMSM6387-A23 1430A IC1012114 3269ICAN8053N 1110A Q1012220 1387Transistor2SC1740SQ-TP-T 113B Q9582220 1387Transi

34、stor2SC1740SQ-TP-T 113B X9592590 1897Ceramic oscillatorEFO-EN2175C4 160B D101D158,2390 1344Diode1SS133T-77-T 603B D160, D163 D1592360 2429Zener diodeMTZJ4.3B-T77-T 18B D1612390 0371DiodeDSK10B-BT-T 111B LED1012370 1106LEDMPR3338S-B99 124B J1013501 3731Power jackHEC2305-01-250 130B NJ1023501 4830DIN

35、jackYKF51-5050 170B 12-16917 1762Battery spring (+)M410913B-1 15C 12-26922 1760Battery spring (-)M412226-1 110C Mechanical Parts N16906 7751Slide knob, GrayM311859A-3 212B N26906 7761Slide knob, PurpleM311859A-4 112B N36923 9070Upper case sub assyM340288*1 1570C N43831 0812Speaker0023-249-0-0013 115

36、0B 56909 5890Slide contactCSB-12D 335B N66923 6740Bender knobM340143-1 280C N76923 6730Rubber buttonM340142-1 1200C 86917 1571White key setM210610A-1 169A 96917 1580Black key setM210609-1 141A 106917 1591Key contact rubberM210605A-1 180A N116923 6750Button contact rubberM340144-1 415B N136923 9060Lower case sub assyM340287*1 1450C N146906 7931Battery coverM312197A*6 135B Notes: N New parts M Minimum order/supply quantity R Rank 13 MA0700951A