Korg MonoPoly Service Manual
Contents
1. 0 0 0 KLM 354 m cri 39 3102 aam Ner R321 77 0201 5 8349 swit m R323 0203 R327 306 m 2 50186 2 I T niis 5 5 222 9202 7 026 1 7 e I m23 1 5 16 KLM 376 MP 7 ERRES dett SS Ctr CN32 CN33 CN34 itt KLM 357 8 3 d 4 87 d A w c 6 INTER CHANGE LIST OF CONNECTOR TERMINAL NUMBER This list was made with the change of the connector Please compare new number with old one reffering to the list 522552 LOSE POSE 5 5 9825225 5 2888 tee kere tenet kB a ARPEGGIO TRIG 18 PHONE GND 14 PHONE OUT 2 1 3 1 12 OUT GNO 1 1 SIGNAL OUT VCA OUT GNO VCA OUT MGI VCF BENO NNNN anos 34 GNO 33 GNO 32 15V 34 15 46 MG WHEEL 45 MG VCOWVSLAVE OSC PITCH BEND VCOVSLAVE OSC IMG 1 PITCH MG1 MG1 OUT PWM M2. G A O NP NEO ID KLM 353 34035300 KLM 354 34035400 KLM 355 34035500 KLM 356 34035600 KLM 376 34037600 KLM 372 34037200 KLM 357 34035700 SPARK KILLER PME271M533 21900200 POWER TRANSFORMER TA002 100V 117V 40006000 T8002 220V 240V 40006100 1801 0121 37503800 WOODEN CASE KOC D10004 64507800 PARTS NAME 40395 No 1 0 64052700 64052800 40395 No 2 L METAL FITTING OF KLM 376 KOC C40417 56001700 T CONTROL WHEEL ORANGE KOC E30019 No 5 IVORY KOC E30019 No 2 GRAY KOC E30019 No 6 62003300 SLIDE SW KNOB 558 L 9 BLACK 62001800 RUBBER FEET HARD No 5 50002100 KEY BOARD E mug MODEL NUMBER PLATE KOC C40144 64050500
3. 52225 A7 5 KLM 353 ver SNO M ser SUA PHA 9r _ 4 ZIMS 5 OLMS zi d Wiese merits dno rena 9MS MS EMS 2 5 LMS 13 HHOH R50 922 ess Aw 92 0 1 s a v ser Aw EE 0 4 e 05 8f ELHA m 98H S ala szr n ELLE 0 9 HH 2 485 285 MM L veu SON 0 912 99 Ten Sn gt ge E 13 LUA v 430 218 803A eeu e tN A EMEN 4 Ged GON ein PEAS TN cnn KLM 355 14 KLM 356 KLM 398 LOW HI Ec EREDE 4 Al 299 re 113 i eee amp s w iRI4 4 i 0 loi TA lil 158 28 HA M di Mo LS BM LB
4. NC NC NC NC 87 65 MM 5837 VRI cn 20 1 18 1 RB4 10K oe 2 TRACK 100 25 SOK R41 16 3 _ VCA oa a NOISE 23 C12 FCM IN 19 7 885 P 19 10K L BEND 579 2 T 16 1 30K 161541301110 9 SSM 2044 ret 12345678 VCF MGI CF MS 15K veo o i 14 1 ds a 5 E 1500 834 BALA Mate 2186 YRS R2 R77 SYR2 E 62K 1 1 RESONANCE VERRE jn TR SE3 31 17 1 33 1 15v e s 17 2 33 2 15 17 33 3 5ve 6 051 R3 R32 4 100K Nd 33 4 17 5 gt 422 R G INTENSITY c AUS 15 4 14 5 5 AG oP 05 fM 5 5 pwm EG 1 100K KR R18 sustain C 1 VRO 5 0001 WCF EG KLM 355 NEW PRODUCTION VRIB ADJ NOISE GENERATOR Fig 1008 pag Reli afee vcn V R6 M 330 287K 1 510K R82 RBI eon 859 R4 13600PPM C FCM IN 19 2 8102 wy 217 499K 1 P 9 10K 276 BEND 2 5 164 30K SSM 2044 12345678 Sw S ERIG 18 1 2 3 20 1 18 2 VCO OUT 14 5 E 8 7 R40 6 i R39 R66 R7 p SHR
5. LEVEL GATES 4 TUNE M TUNE DETUNE 4 vco 1234 24 1234 3 M TRIG AUTO DAMP O AUTO DAMP CONTROL LINE D SIGNAL LINE VCO TRIG 1 4 D OUT PUT LEVEL MIXER gt gt DO lt SIG OUT lt PHONE AMP ruo PHONE FcM IN ow Fe RES TRACK FREQ MOD PWM EG VCA EG noo 15 5 6 POWER SUPPLY Q TRIG l TRIG SELECT DETECT POLARTY TRIG TRIG OUT IN 4 CIRCUIT DIAGRAM KLM 353 BEND RIP BENO WHEEL RIS 4 1 INT 090 216 6 10 7 vCOV SLAVEVCOLBEND 3 50 10 6 PITCH BEND 2 10 016 1 vCF BEND 3 5 1 5 vcO1 SLAVE OSUMG 1 0 3 46 6 10 4 PITCH MG1 229 16 2 549 R sCONTRCL L WHEEL VRS FOWER 3 1 100K 31 1 EEg 399 9 31 2 E56 9 31 3 PW CAG 8 e3 PWM VA 0 2 3 OU OUT HEAD PHONE 1 T HEAD PHONE AMP UN LED UNISON Lep 5 1 pa ON CHORD UNISON SHARE POLY 9 0 ON F 24 1 24 5 R 1 6 1 OUT 900 97 6 25 2 lt Sw10 426 25 36 9 gt s 2 s 8 23 46 0 EFFECT LED LED COM UP OOWN 25 50 022 vf SW sw2 583 SWS 6 DOWN 25 66 0 5 sg
6. 4VCO SYNTHESIZER SERVICE MANUAL MONO POLY CONTENTS 1 SPECIFICATIONS 1 2 STRUCTURAL DIAGRAM 2 3 BLOCK DIAGRAM 3 4 CIRCUIT 5 55 y aue 13 6 INTERCHANGE LIST OF CONNECTOR TERMINAL NUMBER 18 7 SEMI FIXED RESISTORS DIAGRAM 19 8 ADJUSTMENT PROCEDURE 20 PARES EIST Cis tete beter and reta 23 KEIO ELECTRONIC LABORATORY CORPORATION TOKYO JAPAN 1 SPECIFICATIONS KEYBOARD H VECO VOR EG secs ccccdscdscdscsiscoscocvessssessccssseoes e EG NOISE White Noise TRIGGER MODE AUTO DAMP E O E crac LES PW DETUNE TRANSPOSE EFFECT m KEY ASSIGN MODE e e e e ARPEGGIATOR WHEEL X2 OUTPUTS i eene ti creo eren ao eoe taeda ote deu ce aio INPUT JACKS OUTPUT JACKS TRIGGER POLARITY
7. 1msec VCO1 LEVEL 10 HOLD ON CUTOFF 10 Leave others at normal setting Play C3 vary the RESONANCE setting and confirm oscilloscope traces as shown in figure 2 1 1 5 1 2 3 1 5 2 0 3 4 RESO at 0 RESO at 5 Fig 2 If indication is less than 1Vp p when RESONANCE is at 5 then set VCO 1 2 3 and 4 LEVEL to 0 CUTOFF to 5 and RESONANCE to 10 Then adjust KLM 355 VR4 to obtain 60mVp p across both sides of KLM 355 R44 8 VCF EG check Set oscilloscope to DC 2V 1msec VCO LEVEL to 10 HOLD to OFF EG to 0 D to 0 5 to 10 and R to 10 Then confirm changes in oscillation frequency as listed below curorr EG 7 5 153 Oscilloscope waveform OFF UM gt High Low High Low OFF ON 7S Low High Low 9 VCF KBD TRACK check and adjustment Set oscilloscope to DC2V 1msec VCO 1 4 LEVEL to 0 RESONANCE to 10 EG INT to 0 TRACK to 10 HOLD to ON Play C3 and turn CUTOFF to obtain about 4cm 250Hz then play 4 and confirm 1 1cm 0 1250Hz 414Hz as in figure 3 1 1cm 0 3cm Fig 3 Adjust 11 if necessary Due to circuit modification please make adjustment After check set KBD TRACK to 0 and HOLD to according to following measures on the MP 4 after MAY OFF production 10 VCA EG check Set RESONANCE to 10 CUTOFF to 10 KLM 355 Following chart be
8. 5 SW COM 18 59 1501 5 6 LATCH 25 70 9 7 21 6 25 5 12 21 1 21 2 021 3 21 4 2 5 3 9 4 SW Sw sw SW SW HOLO CHORD UNISON UNISON POLY 6 9 HARE 70 ARPEGGIO RESET 1 1 1 2 3 5 1072 1 4 4556 RIS 3608 0 16 2152 wr Se Swit vw EG 6 FREQ sun vet ta e 83 PwawG2 4553 2 79 exon e UM m 4 58 Sw2 162 Cre 17 Ea c POTCM 0ENU VCOV SLAVR OSC DITCH 461 VOD VSLAvE OSC 12 2 Mr 5 s 94 54 54 hos um Riz 10 16 Qt 14 5 154 vco z Gated 8120 134 25 3 76 ucc 1 M sl 5 Gates 3 8 Xt 22M 9 1 60 FECL LEO Rist A148 e as cel 4 4588 5 22 a A a p Pe MAST ow D E 5 swa 7 EFFECT SYNCHRO 5 19091 qa arn 1x24 KLM 355 OLD PRODUCTION VRIB Fc ADJ NOISE GENERATOR gd 299 ri T R78 0 Fc R7 R6 330K 470K 510K 100 NOISE GAIN TRACK VRG 3
9. 6 GATE 3 10 255135 2 11254 13 gt GATE 1 TRIG IN 487 Y R6 5 R24 100K 100K e c9 100K 0047 133 EFFECT 5 4 019 oN RESET KLM 376 MP 151955 4 KLM 357 E ce ENG 7 6 o 0 R 100v 120 TB 002 TH1 TOS A1500A 5009 RX 680K TO KLM355 CN 34 TORLM3S6 9 2855 i_ KLM372 1 6 5 4 32 h RI vco1H72 292 24K HEATER vco2H 3 29 HEATER IIR vCG3 HEATER wet 2955 HEATER mm M PEER 4 2 MMM 5131 01993duY OLN3SWVLYDd NI NI W3 10311 yovr 010 JACK 28 3 28 2 KLM 327 OLD PRODUCTION KLM 327 has been replaced by KLM 355 New production CN 38 KLM355 VRT 1 Ne 2 M2 KLM355 VRG 3 M3 KLM376Cl4 KLM 398 NR SD12V 25 30 0 360 RD9 1E82 10M 06 151555 c32 010 CAM 25 445 39 11 A11 O 8 H 15v 10 A10 GND 39 9 A90 15v os 1 TLO 72 1c2 2 139 6 39 8 139 7 i 9 A8 T R6 1M 3
10. INT to 0 then turn EFFECT SW ON and OFF and check amount of change in tuner indi cation 5 Perform step 4 for VCO3 and 4 in the same way 6 Select VCO exhibiting the greatest variation and adjust VR 15 KLM 354 to minimize change when EFFECT SW is turned on and off 22 9 PARTS LIST PARTS NAME PARTS CORD SPECIFICATIONS 1 4FYLC 12313243 1 4FYLC 12313806 1 4FYLC 12314100 1 4FYLC 12314200 1 4FYLC 12314909 1 4FYLC 12314887 1 4FYLC 12315100 1 4FYLC 12315143 1 4FYLC 12315150 1 4FYLC 12313475 1 4FYLC 12315499 1 4FYLC 12315549 1 4FYLC 12315140 1 4FYLC 12315953 1 4FYLC 12316100 1 4FYLC 12316196 1 4FYLC 12316215 1 4FYLC 12316240 1 4FYLC 12316300 1 4FYLC 12316115 1 2FY 12217301 1 8BY 12065100 1 8BY 12065200 1 8BY 12066100 1 8BY 12066200 1 8BY 12065550 BLOCK RESISTORS THERMISTORS TDSA150DA 5002 18032350 MYLAR CAPACITORS SOV 0 001uFK SOV 0 0047 SOV O 01uFK 50V 0 047 SOV 0 056 50V O 1uFK 50 0 22uFK 50V 0 015uFK 20003515 CERAMIC CAPACITORS 21252150 21253210 21256222 21256310 21256315 21256333 21256347 21277410 21289510 21238610 ELECTROLYTIC CAPACITORS A16V 10 23007210 A16V 7 23007247 A16V 1004F 23007310 1 4 1 2 1 1 1 2 2 4 5 8 1 4 3 1 1 4 4 4 4 3 2 18 7 4 PARTS NAME PARTS CODE SPECIFICATIONS ary A16V 68uF 23307168 23011210 23315022 23003410 23015110 23315068 23315047 23613422 23613447 POLYPROPYLENE CA
11. In Oct V Trigger Out CV Out Oct V Headphone Output I cno 744 W x 450 D x 144 H mm 12kg Connection Cord Sound Sample Tape Voltage Local Voltage 50 60Hz Wattage 28W GND 1 2 STRUCTURAL DIAGRAM PART REMARKS Wooden case KOC D1004 Front panel 20112 Phone jack plate 30177 Metal fitting of tact board KOC C40395 No 1 U Metal fitting of tact board 40395 No 2 L Metal fitting of MG C B KOC C40396 Power plate 40397 Metal fitting of KLM 376 Radiation board Metal fitting of slide sw Control panel Control wheel Key board ESK 721 Model number plate 40144 Small radiation board KOC C40416 3 BLOCK DIAGRAM 1 OUT TRIG DETECTOR CONTROL LINE SIGNAL LINE BLOCK DIAGRAM 2 KEY FEC ASSIGNER 44KEYS ARPEGGIATOR WAVE FORM FREQ vcr EG Re ARP CV CV TRIG OUT IN FREQ WHEEL FREQ MOD SINGLE MOD EFFECT DOUBLE WO 2 4 cor 2 3 MG VCF EG sw BEND f VR WHEEL WHEEL JACK PORTA gj MENT LEVEL porta PORTA TIME oCHORO oUNISON OUNISON SH oPOLY oF 240CT je GATE2 2 OUP DOWN OLATCH 2 GATE3 GATE 4 SINGL TRIG MULT TRIG KBD TRACK CV GATE 4 woe MOD SYNC SCALE pwm
12. cay e ja 1 100K 15 47K 610 22 ca 6 8 VRIS e 1 2 R65 gt Ja9 R28 15 220K 1 38 1 s 724 ee 26 IMA R64 330K Ree OKAY OOK l SUSTAIN 1M 945 C27 R85 Oar cs E Ow am C945 16 100 07 3 ML dp 4 C2 9 R21 15 3 E LECAY I FF 1 v i ema 818 sustain C lc 1 vR9 Sor M J 14452 KLM 356 R4 2 1 072 04 231 64 10 MX REA Fu 537 001 1 1 01 len gt 271124 2 lt R32 R2O 18 m o 2ocr 92 Sue Fy 852 539 22 909 cs 150 000 lt ES WOR 52 C a19 dion sx 555 R38 01 am 33 ES Don BNG R9 272 122 TS 200K ay 4558 UM YOON Ape 1005 A E ___ R6 6 4558 1 7 62 23 160n 184 5 gt 1 Gn 122 52 051 ics 001 E K30AGRI o DOWN S 8 0n 283 62 25 2 PEN tore 5 224 12 4 t 5 215 55 OR I 165 s 018214 S4 10M 16 0047 4 016 213 5 H 15 D KER 6 25 6 13
13. pitch indications should ideally NORMAL be 4 cent and 7 cent respectively NORMAL 20 3 VCO 2 3 4 adjustment Perform adjustment in the same way as for VCO 1 VR positions are as listed below VR302 4 VCA LEVEL adjustment KLM 355 Connect oscilloscope DC 0 5V 1msec to SIG OUT or PHONE OUT Use settings listed below Settings VCO 4 LEVEL 10 VCO1 2 3 are at 0 WAVEFORM A OCTAVE 16 Play C3 and confirm 1 5Vp p Adjust VCA GAIN VR 10 if necessary 5 NOISE check Set CUTOFF to 10 RESONANCE to 0 and VCO1 2 3 4 100 Set NOISE LEVEL at 10 and confirm 3 0 5 0Vp p After check turn NOISE LEVEL back to O 6 VCF check and adjustment 1 OFFSET adjustment Set RESONANCE to 0 CUTOFF to 5 Use DVM 10 check both sides of R10 Adjust VR 19 to obtain 0 000V 1 2 VCF LEVEL Fc adjustment Set VCO4 to 0 RESONANCE to 10 EG INT to 0 CUTOFF to 10 Use oscilloscope at DC2V 0 1msec Put any single key into HOLD Confirm cycle T 140 and oscillation level is within 7Vp p 11Vp p figure 1 3 5 5 5 1 3 1 5 gt 0 1 div Fig 1 If necessary adjust VR18 for If oscillation level is off adjust VR3 to obtain 20Vp p at both sides of KLM 355 R10 with CUTOFF at 10 and RESO at 10 Confirm that oscillation begins when RESO NANCE is turned up to 7 or above 21 7 RESONANCE VCA check and adjustment Settings Oscilloscope DC 0 5V
14. G 2 PWM MG 1 ARP RESET COM ARP ON LATCH DOWI 3 fiii FULL GNO 5 15 nsv PORTAGNO P21 PORTA P20 FMIN P18 EFFECT SW EFFECT LED ARPSW VCON SLAVE 0567 PITCH BEND VCONSLAVE OSC MG PITCH MG1 PWM MG1 PWM MG2 PWM MG1 EFFECT ON NORMAL OCT UP VCO TRIG IN NOISE FM EG PWM VCO SIG OUT AUTO DAMP COM NOISE FUNCTION FMEG PWM OUT VCA OUT GND VCA OUT VCF 1 GNO 5 5 15 TRIG TRIG NC FCM IN TRIG OUT TRIG OUT TRIG IN TRIG IN TRIG IN From JACK TRIG IN to JACK TRACK SW COM LEO HOLO LEO CHORO LEO UNISON LED U S LEDPOLY NC 4 3 2 GATE 1 EFFECT ON RES NOR UP G2 5 5 18 TRIG IN JACK 14 TRIG IN JACK ARP TRIG IN P22 CV IN 6 9 CV OUT P6 CV IN SW P8 IN P7 NC vco4 2CONTROL 1 vco4 2 1 15 GND 15V GND 15V ges 8 o 88889888889 559 lSobohu oll BROWN gt RED RD gt OR YELLOW YE GREEN G
15. PACITORS 100V 0 001uFG Dowo TRANSISTORS 2SA733AK 30000727 258744 30100328 25 945 30202400 25 1345 30202400 25 1583 30201106 250794 30300528 2SK30A 30600115 2SK30A TM GR 30600232 1S 1555 31000100 31000200 1S 1885 LED HD14007UBP HD14013BP HD14042BP 32004013 HD14051BP 32004017 140668 32004004 HD14069UBP 32004019 HD14071 32004024 HD14174BP 32004020 MC14504 32020040 SSM2033 32029005 SSM2044 32029004 NJM4556 32009002 NJM4558DV 32009001 MM5837 32022005 M5230L 32011001 uPD8049 C 217 32001036 TL072 32021011 EVH 45LA802B14 EVH5LA802B15 EVH 5LA802A16 EVH 5LA802B16 EVH 5LA802A26 23 FORES PARTS CODE SPECIFICATIONS POTENTIOMETERS cont d EVH 6LA802B14 36010800 EWK ENAP15B14 36202600 EWK UVAP15B26 36202700 K1611008TE 10K TOKU 36014000 EWH H8AP20B14 36202800 CERAMIC RESONATORS EFO A6ROMO1 252 SSB 122020 37301700 858 123014 37301600 558 12202 37301200 KHC 11901 37503400 SEMI FIXED RESISTORS 35121310 35121320 35121410 35121510 35201115 35201122 35201147 35201310 35201322 35201410 10 4 7KQB 35201247 PHONE JACK STREO 0927 02 45300400 SG 7627 03 45001300 36 1 45300500 2 9022401 45300600 0927501 45300700 2P 0983400 45300800
16. R BLUE FcM IN PORTA vcot 4 VCO VCO4 COM 4 15V GNO nsv PURPLE PU GRAY gt GY WHITE WT BLACK BL PINK PK LIGHT BLUE LB vco2 TEP VCO3 CHECK EFFECT LED LED UNISON POLY EFFECT SW OUT OUT D ARP TRIG IN TRIG J HEATER COM VCO2 HEATER VCO3 CONTROL UNISON SHARE POLY 7 SEMI FIXED RESISTORS DIAGRAM VR403 VR401 OOO KLM 398 VR402 VR404 VR301 OOOO VR10 VRI 3 VR19 2 VR2 VR203 VR18 VR202 VR103 D 201 VR102 4 KLM 353 8101 KLM 327 KLM 376 LOW HI KLM 372 MID VR 2 VR 1 D VR 3 KLM 357 KLM 356 8 ADJUSTMENT PROCEDURE Caution This unit has been precisely adjusted at the factory before shipment Therefore absolutely do not turn any variable resistors other than those required for servicing Furthermore please allow thirty minutes of warm up time after turning on the power before beginning check or adjustment Please refer to the separate VR location chart 999 gt 5 BOE 197521515989 9996 ESO eH Normal setting 1 POWER SUPPLY adjustment KLM 376 3 PITCH adjustment
17. SWITCH DIMENSIONS WEIGHT ACCESSORIES POWER CONSUMPTION 44 Keys Waveform PWM PW Octave Selector 16 8 4 2 0 Level Tuning Master Tune x1 50 Cents or More Tune x3 50 Cents or More Cutoff Frequency Adjustment Resonance Adjustment Envelope Generator Modulation Sensitivity Adjustment Keyboard Tracking 0 15096 Attack Time Decay Time Sustain Level Release Time Attack Time Decay Time Sustain Level Release Time Level Single Multiple ON Off Waveform A F1 Frequency Below 0 1Hz to above 20Hz Waveform A Frequency Below 0 1Hz to above 30Hz Sensitivity Adjustment Mode VCF EG MG 1 MG 2 Pulse Width Adjustment Time Adjustment 4 35 35 when VCO2 is 35 35 Up Normal Down On Off Mode Synchro Cross Modulation Synchro Cross Modulation Connection Single Double Frequency Modulation Sensitivity Adjustment Cross Modulation Sensitivity Adjustment Poly Unison Share Unison Chord Memory Hold Range Full 2oct 1oct Mode Up Down Up Down Arpeggio Off On Latch Bend Sensitivity Adjustment VCO 1 Slave BCO Pitch VCF MG 1 Sensitivity Adjustment VCO1 Slave VCO Pitch VCF Level Selector Off Low High Volume Arpeggio Trigger In Portamento GND fcM 5V 5V VCO FM In 5V 5 Trigger In CV
18. low play keys and check VCA EG 1 NOISE GAIN check and adjustment operation by ear Set VCO1 2 3 4 to0 Set NOISE LEVEL to 10 and confirm noise level mms 30 50 VP pong If necessary adjust VR20 After check turn NOISE LEVEL back to 0 2 VCF VCA check and adjustment Set VCO1 2 3 4 to 0 FC to 10 RESONANCE to 0 VCAEG A to 0 D 100 5 to 0 R to 0 Play any single key and confirm noise level 4 11 Wheel check and adjustment EFFECT SW WHEEL SW pitch deviation adjust A ment Set all VCO OCTAVE selectors to 16 WAVE FORM to A 4 key on HOLD Connect WT 12 METER OCT M A to SIG OUT and adjust to obtain cent reading 1 With VCO1 LEVEL at 10 EFFECT MODE SW Key ON Key OFF A Less than 100mV B Less than 10mV at SYNC SINGLE switch EFFECT SW ON and OFF and confirm WT 12 meter indication change of within necessary adjust VR11 to minimum for A according to above modification We don t need TRACK adjustment Regarding to VR11 2 With VCO1 LEVEL at 10 and EFFECT SW off change BEND SW between VCO1 SLAVE PITCH and positions and confirm 1 12 reading Adjust KLM 353 VR 4 if necessary 3 With the same settings as 2 above change MG switch position and confirm same 1 cent reading Adjust KLM 353 VR 5 if necessary After check turn VCO 1 LEVEL back to 4 VCO2 LEVEL to 10 turn TUNE knob to obtain Ocent Set EFFECT MODE SW to X MOD SINGLE X MOD
19. stretch tuning KLM 354 Connect DVM to KLM 356 GND is J12 1 OFFSET adjustment 1 15 Check J11 with DVM and confirm 15V Check KLM 398 lead wire connection points with 0 01V DVM and confirm that each VCO offset voltage is Adjust KLM 376 VR 3 if necessary 0 1 Adjust the KLM 398 VR if necessary 2 15V Check J40 with DVM and confirm 15V Color code 0 5 VCO 1 Red 3 5V Check left side of R54 J39 with DVM and VCO 2 Yellow confirm 5V 0 02V Adjust KLM 376 VR 2 if VCO 3 Blue necessary VCO 4 Gray 2 KEY ASSIGNER adjustment KLM 356 2 VCO 1 adjustment 1 Assigner slope Setting VCO1LEVEL 10 CV1 output Short the TUNE POINT connect VCO2 4 LEVEL 0 DVM to right side of KLM 356 R8 GND is 712 MASTER TUNE center change TRANSPOSE SW position in the order UP TRANSPOSE NORMAL gt DOWN gt NORMAL and adjust to obtain the DETUNE 0 values shown in the chart WHEEL BEND Connect properly calibrated WT 12 to SIG OUT or PHONE OUT and adjust as follows Set WT 12 to METER function and set chromatic dial to DOWN LOW 2 40 000 1mV NORMAL MID ADJ VR 3 5 250 timV 2 Open the TUNE POINT and confirm keyboard CV as shown E TANE oe WT 12 Veter ar arusata LLL 16 7 5 10 VR103 z 4 o As The 2 and
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