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(PROVISIONAL VERSION)
CONTENTS
1) Structural Diagram - - - - - 2
2) Block Diagram - - - - - - - - - 7
3) Circuit Diagram - - - - - - - - 9
4) Diagnostics - - - - - - - - - - - Not yet
5) Parts List - - - - - - - - - - - - - 13
PROVISIONAL VERSION
Issued date: Dec.20.1999
Issued by: KORG INC.

PART CODE PART NAME NOTE Q'ty
001212400 PCB ASSY KLM-2124/5/6/9 D16 D16 M.PART 1
001212700 PCB ASSY KLM-2127/28 D16 D16 M.PART 1
304000070 TR 2SA812-T1B (M5-7) (TS) KLM-2124/5/6/9 19
304020230 TR 2SC3661-TA/TB(3K) (TS) KLM-2124/5/6/9 9
304050140 DIGITAL TR DTC114EKA T146 (TS) KLM-2124/5/6/9 9
304050150 DIGITAL TR DTA114EKA T146 (TS) KLM-2124/5/6/9 4
304060070 FET 2SK433-T12-1C (TS) KLM-2124/5/6/9 1
304060140 FET 2SK170-GR (TPE2) (TR) KLM-2124/5/6/9 2
304060200 FET 2SK1772HYTR(TS) KLM-2124/5/6/9 1
304060210 FET 2SJ278MYTR(TS) KLM-2124/5/6/9 1
304060240 FET FSS104-TL(TS) KLM-2124/5/6/9 1
312051600 LED SLP-190B-51 KLM-2124/5/6/9 5
312052300 LED SLP-290B-51 KLM-2124/5/6/9 2
312052400 LED SLP-581D-51 KLM-2124/5/6/9 16
313005200 LCD DG-24064-2-S1MBLY-H318-50 D16 M.PART 1
314001800 DIODE 1SS355 TE-17 (TS) KLM-2124/5/6/9 29
314030300 LED CL-200HR-C-TU(TS) KLM-2124/5/6/9 13
314030400 SCHOTTKT DIODE MBRS340T3(TS) KLM-2124/5/6/9 2
314030500 SCHOTTKY DIODE RB160L-40TE25 KLM-2124/5/6/9 1
314030600 DIODE 1SR154-400TE25(TS) KLM-2124/5/6/9 10
315000500 DOUBLE DIODE MC-2840-T12-1 KLM-2124/5/6/9 13
315000600 DOUBLE DIODE MC2838-T12-1 (TS KLM-2124/5/6/9 23
320001261 IC UPD71055GB-10-3B4 (S KLM-2124/5/6/9 1
320004663 IC HD64F7045F28(S) BLANK KLM-2124/5/6/9 1
320005020 IC LC89055W-RA8(S) KLM-2124/5/6/9 1
320011026 IC M5216L-600Y KLM-2124/5/6/9 1
320012215 IC MB86604LPFV-G-BND (S KLM-2124/5/6/9 1
320012251 IC MB87L1150PFV-G-BND(S) KLM-2124/5/6/9 1
320040055 IC MX29F1610MC10C5 KLM-2124/5/6/9 1
324001015 IC UPC4570G2-E2 (TS KLM-2124/5/6/9 6
324003004 IC TC7S08F (TE85L) (TS KLM-2124/5/6/9 1
324003010 IC TC7WU04F TE12L (TS KLM-2124/5/6/9 1
324003018 IC TC4W53F (TE12L) (TS KLM-2124/5/6/9 6
324003042 IC TC7W04F (TE12L) (TS KLM-2124/5/6/9 1
324004003 IC HD74HC139FPEL (TS KLM-2124/5/6/9 1
324004016 IC HD74HC14FPEL (TS KLM-2124/5/6/9 1
324004024 IC HD74HC74FPEL (TS KLM-2124/5/6/9 1
324004041 IC HD74HC123AFPEL (TS KLM-2124/5/6/9 1
324004042 IC HD74HC125FPEL (TS KLM-2124/5/6/9 1
324004050 IC HD74HC138FPEL (TS KLM-2124/5/6/9 4
324004165 IC HD74HC4040FPEL (TS KLM-2124/5/6/9 1
324004167 IC HD74HC4052FPEL (TS KLM-2127/8 D16 3
324004176 IC HD74HC05FPEL (TS KLM-2124/5/6/9 1
324007005 IC BA05FP-E2 (TS) KLM-2124/5/6/9 1
324009002 IC NJM5532M-T1 (TS KLM-2124/5/6/9 2
324009004 IC NJM78L05UA-TE1 (TS KLM-2124/5/6/9 1
324009048 IC NJM2114M-TE2 (TS) KLM-2124/5/6/9 8

PART CODE PART NAME NOTE Q'ty
324009051 IC NJM78M12DLA-TE1(TS) KLM-2124/5/6/9 1
324009052 IC NJM79M12DLA-TE1(TS) KLM-2124/5/6/9 1
324009053 IC NJM3404AM-TE1(TS) KLM-2127/8 D16 1
324009053 IC NJM3404AM-TE1(TS) KLM-2124/5/6/9 4
324011002 IC M5223FP-600C (TS KLM-2124/5/6/9 1
324011012 IC M51953BFP-600C (TS KLM-2124/5/6/9 1
324012016 IC MB81V17805A-60PFTN-E-EF(TS KLM-2124/5/6/9 2
324013018 IC PQ3TZ53U(TS) KLM-2124/5/6/9 1
324018007 IC AK4524-VF-E2(TS) KLM-2124/5/6/9 4
324021017 IC SN74LV00ANS-EL(TS) KLM-2124/5/6/9 1
324021018 IC SN74LVU04ANS-EL(TS) KLM-2124/5/6/9 1
324023007 IC S-8520F50MC-B0J-T2(TS) KLM-2124/5/6/9 1
324036010 IC REG1118-2.85/2K5(TS) KLM-2124/5/6/9 1
324037005 IC HY51V18164CTC-60-TE1(TS) KLM-2124/5/6/9 2
324039003 IC KM48C2104CK-6T/L6T(TS) KLM-2124/5/6/9 2
330002300 OPTICAL TRANSMITTER TOTX173 KLM-2124/5/6/9 1
330002400 OPTICAL RECIEVER TORX173 KLM-2124/5/6/9 1
334000600 PHOTO COUPLER PC-410K KLM-2124/5/6/9 1
335011000 X'TAL OSC CA-301 20.00MHZ KLM-2124/5/6/9 1
335011400 X'TAL OSC CA-301 7MHZ KLM-2124/5/6/9 1
335011500 X'TAL OSC CA-301 22.5792MHZ KLM-2124/5/6/9 1
335011600 X'TAL OSC CA-301 12.288MHZ KLM-2124/5/6/9 1
362009019 VR RK09K113012Y KLM-2127/8 D16 12
362009020 VR RK09K12A0A0N KLM-2124/5/6/9 1
362009021 VR RK09K1110D1A KLM-2124/5/6/9 4
362009022 VR RK09K1130D18 KLM-2124/5/6/9 4
362009023 VR RK09K1110AB2 KLM-2124/5/6/9 1
362009024 VR RK09K12C0A8H KLM-2124/5/6/9 1
365009900 SVR RS45111Z9001 KLM-2127/8 D16 13
370004500 REC EC16B242041S KLM-2124/5/6/9 1
373009300 SLIDE SW ESD-11V121 KLM-2124/5/6/9 1
373009600 SLIDE SW SSSS924800(G2908068M) KLM-2124/5/6/9 1
374000900 TSW SKQMALE010(G2900717M):TS KLM-2124/5/6/9 43
375015000 TSW SKQUAAA010 (G2935243M) KLM-2127/8 D16 1
402004600 COIL 2943-666673 KLM-2124/5/6/9 4
402006200 COIL C10-FR/33331 22UH(TR) KLM-2124/5/6/9 1
402400400 COIL C8-E/33331 10UH KLM-2124/5/6/9 1
404000560 CHIP COIL LEM3225T470K (TS KLM-2124/5/6/9 1
404001070 CHIP COIL BLM11B102SPT:T KLM-2124/5/6/9 90
405010700 AC-AC ADAPTER KA141 D16 JP M.PART 1
405010800 AC-AC ADAPTER KA143 D16 US M.PART 1
405010800 AC-AC ADAPTER KA143 D16 CN M.PART 1
405010800 AC-AC ADAPTER KA143 D16 EX M.PART 1
405010900 AC-AC ADAPTER KA149 D16 WG M.PART 1
405010900 AC-AC ADAPTER KA149 D16 GE M.PART 1
405010900 AC-AC ADAPTER KA149 D16 UK M.PART 1
405010900 AC-AC ADAPTER KA149 D16 FR M.PART 1

PART CODE PART NAME NOTE Q'ty
405011000 AC-AC ADAPTER KA145 D16 AU M.PART 1
415000900 MIC EM-4F-6 KLM-2127/8 D16 1
415004000 TOUCH PANEL KGJ-02-2D D16 M.PART 1
435002300 2.5 INCH HDD MK2110MAT D16 M.PART 1
450001600 PHONE JACK SG-4617#01 KLM-2124/5/6/9 1
450003100 PHONE JACK LGR4609-7000 KLM-2124/5/6/9 10
454010000 PIN JACK YKC21-5220 KLM-2124/5/6/9 2
454011700 DIN CONNECTOR TCS5073-24-4151 KLM-2124/5/6/9 1
464062501 FUSE 250V T3.15A 195-3.15A D16 M.PART 1
471070301 CONNECTOR TOP B3B-PH-K-S (U) KLM-2124/5/6/9 2
471070501 CONNECTOR TOP B5B-PH-K-S (U) KLM-2124/5/6/9 2
471070801 CONNECTOR TOP B8B-PH-K-S (U) KLM-2124/5/6/9 1
471071301 CONNECTOR TOP B13B-PH-K-S (U) KLM-2124/5/6/9 1
471071501 CONNECTOR TOP B15B-PH-K-S (U) KLM-2124/5/6/9 1
474022900 D-SUB CONNECTOR 1210-012-25S KLM-2124/5/6/9 1
474023000 CONNECTOR 20P 5332-20T2 KLM-2124/5/6/9 1
474029200 CONNECTOR NCJ6FI-H-0 KLM-2124/5/6/9 2
474029300 CONNECTOR 5597-16CPB KLM-2124/5/6/9 1
474029400 CONNECTOR A3 44DA-2DS KLM-2124/5/6/9 1
475002832 HARNESS HNS-2832 D16 M.PART 1
475002833 HARNESS HNS-2833 BOARDIN KLM-2124/5/6/9 1
475002834 HARNESS HNS-2834 BOARDIN KLM-2124/5/6/9 1
475002835 HARNESS HNS-2835 D16 M.PART 1
475002836 HARNESS HNS-2836 BOARDIN KLM-2127/8 D16 1
475002837 HARNESS HNS-2837 BOARDIN KLM-2124/5/6/9 2
475002838 HARNESS HNS-2838 BOARDIN KLM-2127/8 D16 1
480010430 DIN SOCKET M1781-A KLM-2124/5/6/9 1
500032100 X-8410 RUBBER FOOT KOC-F40891 D16 M.PART 4
515400100 FUSE HOLDER CNT47-0003A(TR) KLM-2124/5/6/9 2
550018100 X-8410 TOUCH PANEL TAPE F40892 D16 M.PART 2
575018600 LED SPACER LH-36-17.5 KLM-2124/5/6/9 16
575018700 LED SPACER LH-5S-4 KLM-2124/5/6/9 7
575018800 LED HOLDER LF-12 KLM-2124/5/6/9 7
620033100 SLIDER KNOB P772-FO D16 M.PART 12
620036200 X-8410 RUBBER KEY-R (31KEY) D16 M.PART 1
620036300 X-8410 RUBBER KEY-L (12KEY) D16 M.PART 1
620036400 X610 R.ENCODER KNOB(DARK GLAY) D16 M.PART 1
620036500 X-8410 VR KNOB KOC-E40487 D16 M.PART 12
620036600 X-8410 TRIM KNOB1 KOC-E40486-1 D16 M.PART 4
620036700 X-8410 TRIM KNOB2 KOC-E40486-2 D16 M.PART 1
620036800 X-8410 CURSOR KEY KOC-E40485 D16 M.PART 1
620037200 KNOB P772 (RED/BLACK) D16 M.PART 1
620037700 X-8410 MIC RUBBER KOC-F40893 D16 M.PART 1
630031300 X-8410 SHIELD SHEET KOC-F30079 D16 M.PART 1
630031400 X-8410 ISOLATION SHEET F30080 D16 M.PART 1
641041436 GND PLATE M1866-A D16 M.PART 4
641041552 X-8410 LCD METAL FITTING D16 M.PART 2

PART CODE PART NAME NOTE Q'ty
641041553 X-8410 XLR METAL FITTING D16 M.PART 1
641041570 X-8410 KORG PLATE KOC-C41155 D16 M.PART 1
644009000 X-8510 GND SPRING(K) KOC-C4116 D16 M.PART 3
646071900 X-8410 UPPER CASE KOC-E10171 D16 M.PART 1
646072200 X-8410 LOWER CASE KOC-E10172 D16 M.PART 1