Korg EX-8000 Service Manual Download Page 31 | Manualshive

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Korg EX-8000 Service Manual Download Page 31

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Summary of Contents for EX-8000

Page 1: ...SPECIFICATIONS 1 2 MIDI IMPLEMENTATION 2 3 STRUCTURAL DIAGRAM 11 4 BLOCK DIAGRAM 14 5 CIRCUIT DIAGRAM 15 6 P C BOARD 24 7 CIRCUIT DESCRIPTIONS o 32 8 ADJUSTMENT PROCEDURES 40 9 PARTS LIST 42 KORG INC TOKYO JAPAN Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 2: ...me Time approx 4 512ms Factor x0 5 1 0 Feedback level Modulation frequency max 10Hz Modulation intensity Effect level After touch OSC MG VCF VCA Key assign POLY 1 POLY 2 UNISON 1 mode UNISON 2 MIDI Receive channel ch 1 16 ENABLE NOTE DATA ALL OMNI ON OFF Arpeggio clock Key window bottom Key window top MIDI data transfer Volume Tune Programmer Display Tape interface Input jacks Output jacks Tape sw...

Page 3: ...specified by para meter 84 NOTE 2 If DEVICE ID REQUEST DEVICE ID message will be sent b 1 0 0 1 DEVICE ID 1 1 1 1 1 0 0 1 REQUEST BYTE 1 0 0 1 0 0 n 0 0 0 n 1 0 1 n 1 0 0 n 1 DESCRIPTION EXCLUSIVE STATUS KORG ID42H FORMAT D4 H ch NOTE 6 EOX nnnn 0 15 channel number channel provisions within System Exclusive Messages specified by para meter 84 c 1 0 0 0 0 0 0 1 DATA DUMP 1 1 0 0 1 V V 1 1 0 1 0 0 V...

Page 4: ...1 1 0 0 0 1 1 0 1 0 0 1 BYTE i 0 1 0 1 1 0 0 n 0 0 0 0 0 n 0 0 1 0 1 r 1 0 1 0 0 n 1 1 1 DESCRIPTION EXCLUSIVE STATUS KORG ID42H FORMAT ID3 H ch NOTE 6 EX 8000 ID03H WRITE REQUEST 11H PROGRAM NUMBER EOX nnnn 0 15 channel number channel provisions within System Exclusive Messages specified by para meter 84 NOTE 6 When a Format ID is received channel numbers set at parameter No 84 and messages with ...

Page 5: ...ALL NOTES OFF PROGRAM CHANGE NOTE 2 AFTER TOUCH 6 BITS RESOLUTION PITCH BENDER CHANGE LSB will be ignored MSB will be recognized bbbbbbb 64 CENTER nnnn 0 15 Channel number specified by parameter 84 When the mode is OMNI ON all the data will be received When the mode is OMNI OFF only data of the channel designated by the parameter will be received As to MODE MESSAGE however designated channel data ...

Page 6: ...para meter 84 NOTE 3 Messages with channel numbers different from those specified by parameter 84 are ignored This has no relation to OMNI mode setting STATUS 1111 1110 DESCRIPTION ACTIVE SENSING 440ms 3 EXAMPLES OF SYSTEM EXCLUSIVE MESSAGES USED IN COMMUNICATING WITH OTHER EQUIPMENT 1 Data transmission between EX 8000 and DW 8000 a SINGLE PROGRAM LOAD Sending EX 8000 Receiving DW 8000 Receiving S...

Page 7: ... 8000 and computer 1 To find the ID number for equipment connected to the computer DEVICE ID REQUEST Computer Sending Receiving EX 8000 Receiving Sending DEVICE ID 2 To edit sound data within the EX 8000 Sending CompUter R eivin9 PROGRAM DATA DUMP PARAMETER WRITE CHANGE REQUEST CHANGE REQUEST EX 8000 Receiving Sending DATA DUMP mote PROGRAM CHANGE is not a SYSTEM EXCLUSIVE message WRITE COMPLETED ...

Page 8: ...s from the computer to the EX 8000 Computer Sending Receiving PROGRAM DATA DUMP CHANGE REQUEST 1 t EX 8000 Receiving Sending Repeated 64 times DATA DUMP 5 To save all 64 sound programs from the EX 8000 to the computer DATA DUMP Computer EX 8000 Sending Receiving WRITE REQUEST Receiving Sending Repeated 64 times i WRITE COMPLETED OR WRITE ERROR Scan by Manual Manor http www markglinsky com ManualMa...

Page 9: ... VCF EG INT VCF ATTACK VCF DECAY VCF BREAK P PARAMETER OFFSET 0 1 2 3 4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 BIT bi bO b3 bO b4 bO bi bO bO b4 bO b4 bO b1 bO b3 bO b4 bO b2 bO b2 t 0 b4 bO b5 bO b4 bO b1 bO bO b4 bO b4 bO b4 bO b4 bO CORRESPONDING PANEL VALUE 00 16 01 8 10 4 11 INHIBIT 0000 1111 1 16 00000 11111 0 31 00 OFF 01 OSC1 10 OSC2 11 BOTH 0 UP 1 DOWN 00000 11111 0 31 00000 11111 0 3...

Page 10: ... 11111 0 31 00000 11111 0 31 00000 11111 0 31 000 111 0 7 00000 11111 0 31 00000 11111 0 31 00000 11111 0 31 00000 11111 0 31 00000 11111 0 31 00000 11111 0 31 000 111 0 7 0 1 0 1 2 N 2 3 x1 3 4 JL 00000 11111 0 31 00000 11111 0 31 00000 11111 0 31 00000 11111 0 31 0000 1100 0 12 1101 1111 INHIBIT 0 0 0FF 1 1 ON 000 111 0 7 0000 1111 0 15 0000 1111 0 15 00000 11111 0 31 00000 11111 0 31 0000 1111 ...

Page 11: ...C BOARD P C BOARD P C BOARD POWER SW P C BOARD P C BOARD FRONT CHASSIS POWER SW KNOB ROTARY VR KNOB TACT SW KNOB BLK NO 4 TACT SW KNOB KT 8 TACT SW KNOB RED Q TY 10 2 3 1 2 PART CODE 64072900 63002100 34076500 34076500 34076400 37507800 34076400 34076500 64073000 62011100 62015200 62015100 62011000 62011202 00 30 I Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 12: ...L FITTING OF P C BRD A SHIELDING SHEET P C BOARD SHIELDING SHEET P C BOARD LOWER CASE RUBBER FEET P C BOARD SPACER P C BOARD INLET SOCKET POWER TRANSFORMER P C BOARD NAME PLATE PARTCODE 34066200 64072500 63002600 34077100 63001600 34077500 64073200 50008700 34076400 54011600 34076200 54010900 40009200 34076300 68600700 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 13: ...PART NO A B SCREWS TP2G BZMC 3x8 FEB ZMC 3x8 PART NO 1 2 PART NAME UPPER CASE LOWER CASE Q TY 8 4 PART CODE 64073100 64073200 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 14: ...SIG1 1 CLOCK CIRC Vrel velocity SENSE CIRC TIME FEEDBACK EFFECT LEVEL NJM2069 B MIXEK MG qsci icMa ciRc RESONANCE MPX VCF NOISE LEVEL fC 1 VCA VCALEVEL 1 MIX DIGITAL DELAY FACTOR MPX TUNE Rvalue editor S VOLUME MUTING CIRC OUT PUT OL MOWO OR HEAD PHONE AMP CD 6 o I MD L PHONE LINE CONTROL LINE Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 15: ...71 C67 0 001 R64 IC4O0 S 8054M T 150IC IC60 HB62H133 74S189 xiO 0 047CCHS 1C53 A2 02 04 H y Pff10 a IC51 A1 A2 A3 52 i 04 otnJ l R22 047 T IOOQ Cf 9tr AO A6 R100 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 16: ...AGT R19 HN613256P T70 HN613256P T71 A DTUWE R22 nr AO A70REF TO KLM 766 7C 6 7A 6 AG WO K W 1 NC NC NC NC V 28 6 4 11V K5V 2 66 4 1 3 2 Sv 1 A FROM GMO RLM 762 DSS 310 550 ii LCI 2Z3S z 2 cf OSS 510 tii s no DSS 310 550 LC3 225S 5502235 C73 jv 3 77 i t K uo fd La nn C82 9 L I A6 t C70 C83 CUT 0 047 Cf II 041 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 17: ... LOG F4 VCF SIG2 S42 rm IS411 V0ICE4 LEVEL2 RESO VCA LIN A4 VCF LIN VCF LOG FS VCFIN SIG2 tS52 SIGI IS5U LEVEL LEVEL2 RESO NJM4558DV M5218P VCF LIN LOG F6 VCF IN S1G2 S62 S1G1 LEV L1 LEVEL2 P ESO 5 VCA LIN A6 VCFLW VCF LOG F7 HJM4558DV Or M5218P VCF IN S72 S G1 S71 LEVEL1 1 LEVEL2 RESO VCA LIN A7 R56 1C12 33 NJM45S8 or VCF LIN VCF LOG F8 JvCF IN S82 18 Scan by Manual Manor http www markglinsky com...

Page 18: ...TC 015A 240V TO KLM771 CPU TO KLM662 VCFA TO KLH766 PANEL RESISTORS NOT SPECIFIED CARBON 1 4W CAPACITORS NOT SPECIFIED 0 1 m 25V CE DIODES NOT SPECIFIED SR1K 2 i CHASSIS GROUND Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 19: ...KLM 775 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 20: ...a vw R9 220 n AAAr R7 220 a LI V_ OUTPUT L MONO MIDI OUT I 1 vvv i Hhv MIDI NC MIDI IN KLM 765 Front Jack From KLM766 26A 7 R26C 3 0 PHONE rrr LI BL02RN2 R62 C2 C3 C1 From KLM767 25A 1 2 3 4 25B 1 2 3 4 R3 1OK R1 4 7K r d TV H TAPE fl To U TAPE o 01 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 21: ... 4 27A 1 From TAPE LEVEL 4 Ji 1 2 3 4 J HIGH ow 1 R2 8 2 K Rl 2 2K 25A 1 258 1 3 4 For KLM 765 2 2 WRITE DIS ENA 3 TAPE O DIS ENA j i FG KLM 767 r PA NEL 2 SLIDE SW Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 22: ...660 16 45 4 S 6 7 6 11 12 i 13 IS ftP 12 8A 12 gfi 10KB t 0 01MCE C1 ooijia 7B 1 100U I6V 2SC278 x3 KLM 766 PANEL1 MUTE H BAMP WRITE 02 TAP POLY 2 sws TUNE SW1 fta i i mi DOWN PROO PARA 8A 10 WRITE BM XU DIODES NOT SPECIFIED 1S1555 or 1S2473 f 1 fe1 V Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 23: ...RD KLM 763 ACTION FOR CONTINUED j MEME TYPE PROTEC AGAI RISK 0 REPLACE WITH SAME TYPE FUSE KLM 763 f I ION UTILISER UN OE RECHANGE A I KLM 762 1 r Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 24: ...KLM 662 _oc 96 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 25: ...KLM 771 27 28 Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 26: ...KLM 767 29 Scan by Manual Manor http www markglinsky com ManualManor html ...

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Page 29: ...ower supply circuit Rear jack Front jack Mute headphone amp 7 segment LEDs switch matrix 2 Memory map 0000H 001FH 0040H OOFFH 3000H 3800H 4000H 4008H 4010H 4018H 4020H 4040H 4060H Internal Register Internal RAM RAM Back up 16K RAM 16K IC37 SW LS139 IC18 DWGS MB62H133 DAC 4 VCF A 4080H 40A0H 40C0H 40E0H 40FFH C000H FFFFH DDL LED DATA LED ADDR AD SELECTv etc IP ROM 128K 0 HAM Battery Back up 16K Byt...

Page 30: ...374OC19 FOR DAC HA17008 DATA LATCH 8 BIT VCF VCA EG SELECT 7 6 5 4 3 2 10 HEX 4060H 1 1 1 1 78 58 59 5A 5B 5C 5D 60 I 67 70 I 11 JOB Fc 1 8 JMHIBIT LEVEL 1 2 RESONANCE NOISE MG0V DDLOV VCA0 EG I VCA7 EG VCFO EG VCF7 EG IV DDL CONTROL S 7 4080H 6 y 5 4 3 2 10 V JOB MUTE STB TOS154 CLK DATA SERIAL STB D650100W Scan by Manual Manor http www markglinsky com ManualManor html ...

Page 31: ...r keys in the synthesizer s pro grammer section and at the same time turning on the power i e resetting the unit 1 2 1 Displays system ROM version number The system ROM version number is shown in the value display 2 Sets write protect attribute This is useful when displaying the synthesizer in a shop It prevents anything from being written into memory Effective on versions 850904 and later 5r6 Ref...

Page 32: ... DATA Jl TONEDATA DATA CHECKSUM DATA CHECKSUM 30 MESSAGES 1 MESSAGES 30 MESSAGES 1 MESSAGES 3 Format of one message DATA CHECKSUM 30 MESSAGES 1 MESSAGES LSB MSB b b4 I b8 b6 3 1 3 2 3 3 LEADER FF H ID ID1 ID2 CHECKSUM ONE START BIT DATA DATA 42 H 03 H DATA TONE DATA i 1 Byte DATA 8 bit 652 MESSAGES KORG X 300 3 4 PRELOAD TAPE NORMAL 3 5 END BLOCK DATA FFH 2 On AND FFH No ID FOR TEST 00 H 2 STOP BI...

Page 33: ...ugh IC41 NJM5534 See the section below concerning oscillator operation Oscillator operation The PAI phase angle increment value and PAR phase angle register value are added and the result is stored again in the PAR The PAR value is used as the wave table ad dress The wave table stores different harmonic configura tion data for each octave on the keyboard IC47 MB64H129 performs the processing neede...

Page 34: ... DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DBO VDD IC47 MB64H129 is used mainly for wave table ROM ad dress decoding it is a 40 pin LSI having about 400 gates MB64H129 TERMINAL NAMES Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Type Input Input Input Input Input Input Input Input Input Power supply N C Jnput Input Input Term DBO DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 vSs DB9 DB10 DB11 Pin No 15 16 17 18 1...

Page 35: ...igital delay The KLM 775 board has its own dedicated delay gate array xPD65010CW 113 The delay circuit comprises this gate array 64KB dynamic BAM x 2 ADC DAC and analog compander The delay time can be specified CPU Port P20 P21 P22 P27 RX TX P25 P26 P52 P53 P57 P60 P61 P62 P63 P64 P65 P66 P67 63B03X STATE OF PORT Pin 9 10 11 16 12 13 14 15 19 20 24 25 26 27 28 29 30 31 32 function Velocity Sens Co...

Page 36: ...D WR3 WR2 WR1 A7 A4 A3 A5 A2 A6 A1 RAS I O o o o o 0 o 0 o o ov 0 0 0 o o o o o 0 o o Pin No 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 GO 61 62 63 64 Pin Name A0 WR0 103 102 CAS OEO 101 104 OE1 OE2 OE3 DO D1 D2 D3 D4 D5 D6 D7 CLK VDD I O O O I O I O 0 O I O I O O O 0 5V PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 64 63 62 61 60 59 ...

Page 37: ... u S 0 n LJ 15 n LJ 0 n n 0 m ILJ 0 n LJ 0 10 n u A n u 0 0 n LJ 0 n u 0 S n u n LJ 15 n u n LJ n n Caution 1 This product has been throughly adjusted at the factory before shipment Therefore never turn any Semi Fixed VRs other than those required for servicing 2 After turning on power wait at least 15 minutes before beginning test and adjustment 3 Be sure to save the data on tape before loading t...

Page 38: ...illation frequency of each voice on AT 12 Display is C 2093Hz 3 octave 0 6 Noise Level Check and Adjustment KLM 662 1 Select Program number 15 2 Connect a Noise Meter to TP SG GND side TP AG 3 Press any single key and confirm value of the meter is 15dbm 4 Unless adjust VR1 to obtain correct value 7 DWGS Clock Check and Adjustment KLM 771 1 Connect a Frequency Counter to TP CLK GND side to TP DG 2 ...

Page 39: ...KLM 771 KLM 662 KLM 776 KLM 771 KLM 662 KLM 765 KLM 771 KLM 775 O TY 2 7 3 1 1 1 1 16 4 1 6 14 3 2 1 2 11 1 2 1 4 3 4 2 2 17 1 1 1 1 2 24 2 8 1 3 4 1 1 2 1 17 1 4 6 PARTS CODE 10416451 10416456 10416462 10416468 10416475 10416491 10416510 10416511 10416512 10416513 10416515 10416516 10416518 10416520 10416522 10416527 10416530 10416533 10416539 10416547 10416568 10416610 10416615 10416620 10416622...

Page 40: ... C210DA TD5 C250DA KLM 771 KLM 662 1 1 2 MYLAR CAPACITORS 20402410 50V O OOImF KLM 662 32 PARTS CODE 20402415 20402418 20402422 20402427 20402456 20402510 20402512 20402522 20402527 20402547 PARTS NAME SPECIFICATIONS 50V 0 001 5mF 50V 0 0018mF 50V 0 0022mF 50V 0 0027mF 50V 0 0056 uF 50V O OImF 50V 0 01 2mF 50V 0 022 uF 50V 0 027mF 50V 0 047mF P C BOARD KLM 771 KLM 775 KLM 662 KLM 775 KLM 771 KLM 7...

Page 41: ... 775 TRANSISTORS KLM 762 KLM 662 KLM 762 KLM 662 1 1 1 4 1 5 9 1 1 1 1 3 2 3 2 3 1 2 1 2 7 2 1 1 1 8 1 8 8 10 3 4 1 1 2 16 PARTS CODE 30420070 30420090 PARTS NAME SPECIFICATIONS 2SC2785 2SC2901 TALL P C BOARD KLM 771 KLM 775 KLM 662 KLM 766 KLM 771 IDENTIFICATION NO FUNCTION Q TY 1 3 2 3 2 2 DIGITAL TRANSISTORS 30430010 30430020 DTA 114N DTC 114N KLM 771 KLM 775 KLM 771 2 1 1 FETt 30460020 2SK381 ...

Page 42: ...OP AMP VCF VCA D A Dual D type positive edge triggered flip flop Dual 2 line to 4 line decoders 3 line to 8 line decoders Octal D type edge triggered flip flop OP AMP OP AMP Inverter OP AMP TR array Quad D type flip flop Octal buffer OP AMP OP AMP Hex inverter TTL RAM Gate array Gate array TTL RAM NAND gate OR gate fVTY JL 1 T 1 2 4 1 2 4 5 3 1 1 1 8 1 1 1 2 2 6 1 1 1 1 1 2 4 3 3 8 3 1 1 2 1 1 10 ...

Page 43: ...ECIFICATIONS 250 0 8AUL 250V T250MA 47053400 47053500 47053600 47053700 47053800 47053900 47054000 47054100 47054200 47054300 47054400 47054500 47054600 47054700 47054800 47054900 HNS 434 HNS 435 HNS 436 HNS 437 HNS 438 HNS 439 HNS 440 HNS 441 HNS 442 HNS 443 HNS 4444 HNS 445 HNS 446 HNS 447 HNS 448 HNS 449 47150300 47150600 47170400 47170500 47170600 47170800 B3P VH B6P VH B4B PH B5BPH B6B PH B8B...

Page 44: ... SOCKET KLM 764 1 RUBBER FEET 4 FUSE HOLDERS KLM 763 2 LITHIC BATTERY 1 TEST PINS KLM 662 KLM 771 KLM 775 2 6 3 PARTS CODE PARTS NAME SPECIFICATIONS P C BOARD IDENTIFICATION NO FUNCTION Q TY WIRE BANDS 54007200 PLT 1M KLM 662 9 2 ISOLATING WASHERS 54007300 B 1725K KLM 762 4 SPIRAL CLIPS 54008600 CS 8 2 INLET SOCKET 54010900 PA 126 1 DKN CLUMPS 54011500 DKN 10 4 SPACERS 54011600 54011800 A 2241 PS ...

Page 45: ...D DISPLAY COVER 63002100 QTY 1I 1 3 6 1 12 1 3 1 1 1 METAL FITTINGS OF P C BOARD 64072500 64072600 A B 2 2 PARTS CODE PARTS NAME SPECIFICATIONS P C BOARD IDENTIFICATION NO FUNCTION PANEL 64072900 FRONT CHASSIS 64073000 UPPER CASE 54073100 64073200 64073300 68600700 70060512 70160410 70530306 70530308 70760410 72160308 72560308 72730308 77330700 78060500 LOWER CASE RACK MOUNT ADAPTORS NAME PLATES 1...

Page 46: ...I L PARTS CODE PARTS NAME SPECIFICATIONS P C BOARD IDENTIFICATION NO FUNCTION Q TY SPRING NUTS 79060400 ZMC4 Scan by Manual Manor http www markglinsky com ManualManor html ...

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