NovaMod Version 2.0
Contents
1. 2 00 aa Annex B Bv S Annex C thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 2 of 63 Ee The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Overview Overview The NovaMod is a collection of simple do it yourself modifications for the Roland SH 101 synthesizer These modifications allow the SH 101 to create more sounds as well as interface better with external devices The complete NovaMod is a some what difficult modification for a beginner to do however one can easily choose to do only the easier parts of the NovaMod initially and continue with the difficult parts at a later date It is strongly recommended that the person doing the NovaMod is capable of completely disassembling and reassembling an SH 101 synthesizer familiar with electronic components and concepts has experience with soldering de soldering components cutting circuit boards cutting traces etc The Lab does not take responsibility for damage done to synths while attempting the NovaMod however The Lab will do it s best via email support to answer any questions regarding a NovaMod Although the last sentences sounds pessimistic the NovaMod is certainly a satisfying modification and well worth the effort History The NovaMod has been in existence since 1995 During the first two years The Lab had been doing private modifications for friend2. NovaMod Step 2 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Accent Installation 1 Connect red pushbutton normally closed switch to outside lugs of a 100k rotary pot with green on red and brown on black wires each 12cm red on green to ccw lug brown on black to cw lug 2 Connect clockwise lug of pot to center lug of pot thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 55 of 63 3 Connect brown on black wire 30cm from clockwise lug of accent amount rotary pot to pad of R140 4 Connect green on red wire 30cm from counter clockwise lug of accent amount rotary pot to R140 Interconnect wiring schematic Normally Closed Momentary Switch UPDT Relay o o N O lam red f mi N C hmiblk igrmired Cw TW 1 4 Jack grn red brn blk New Connect brn blk leads common and Norm Closed from 5V relay in series with momentary switch Connect blue on white leads coil from 5V relay to 74 accent in jack Note polarity is not important Mount Jack NovaMod Step 205 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 PW Mod Width Change thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 56 of 63 1 Rotate VR 4 on synth board fully counter clockwise UTEM A Pulse Width Adjustment ITHESIZER SH 101 NovaMod Step 3
3. NovaMod Step A The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Mechanical Repair and Cleaning Since your SH 101 is apart now is the best time to repair any mechanical problems and clean it Mechanical Repairs 1 Bent Slider Shafts a Using needle nose pliers grasp shaft as close to slider body b Gently straighten shaft by applying pressure to it s tip with a finger or pliers 2 Non Functioning Controls switches pots etc a Inspect and repair any cracked solder joints thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 13 of 63 b If solder joints are ok then you should order the replacement control from your nearest Roland Service Center Before ordering a linear slider you may wish to attempt repairing it yourself Simply de solder it and carefully take it apart Be sure to note the orientation of the body shaft leaf springs wipers Teflon anti stick bushing and phenol board with tracks The common problem with SH 101 sliders is poor contact between the wiper and tracks This is often the result of a blow to the shaft which bends the wiper and leaf spring To repair simply reshape the leaf spring and wipers with a gentle force You should also clean the slider components with isopropyl alcohol A small amount of silicon gel the kind recommended for pots can be applied sparingly to improve slider action Use a multimeter to verify repair s success before
4. Install FM Source Switch Leads away from keyboard Install FM Amount Pot Leads away from keyboard Install ENV2 Attack Pot Leads away from keyboard Install ENV2 Release Pot Leads away from keyboard Install Accent Amount pot and Accent switch Install CV Gate in out 1 4 jacks Solder as follows all sleeves daisy chained together CV in short to CV out tip gate in short to gate out tip 9 Mount VCO Mod SPDT switch green on white nearest to keyboard Bend leads towards keyboard to allow clearance of control board 10 Carefully position control board and mount LFO scalar switch gray on red toward keyboard 11 Fit switch board and screw into place Be sure to fit the metalized cardboard shield around switch board 12 Fit control board and screw into place 13 Route Ext audio in jack and dest switch between synth board and control board and mount 14 Mount bender unit and then bender board 15 Mount jack board for hand grip 16 Mount battery terminals 17 Rough fit CV gate board 18 Route all cables from PW FM area between synth board and control board 19 Connect CV Gate 1 4 jacks as follow sleeves daisy chained together are connected to ground on CV Gate jack board CONOOABRWN thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 43 of 63 CV in tip to pin 45 black on orange CV out tip to pin 43 gray on white gate in tip
5. Capacitor electrolytic ATuF 16V ff Circuit Board fo Colour Coded wire 6 0 f f 1N4148 B o i 100K Linear PB 1MAudio 2 100k 1 2watt SB 51k 1 2watt ff 150k 1 2watt o 220R 1 2watt 2 680R 1 2watt 3 1k 1 2watt 1 2 3 15k V2watt ft 47k 1 2watt f2 Switch N C momentary fo Switch toggle SPDT Switch Rotary 2pole 6 position Switch SPDT on off on Nylon Hardware Transistor NPN Transistor PNP Knobs 1 4 Chassis Jack with DPDT switch 1 4 Chassis Jack mono 1 4 Chassis Jack mono closed circuit 5v relay NovaMod z d thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 6 of 63 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Recommended Tools Recommended Tools 1 scissors 2 tape scotch tape and electrical tape 3 awl or sharp pointy object for pressing drill points into plastic chassis drill press metal file drill bits 6mm 8mm 9mm 10mm 13mm soldering iron de solder tool edge cutters wire strippers ruler metric needle nose pliers 10 vice 11 hack saw 12 Grinder 13 Xacto knife 14 permanent marker black 15 glue in aerosol can 16 glue or epoxy Goop brand recommended 17 multimeter oo xoosogoms Ea NovaMod The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06
6. a ma i E B E A 4 5 B B BP B B 4 4 ot S o E SG 2 o k Us Pi a m in h5 5 S SB SD SB GG n AC gt 47 j F x h c sma amp amp 9 6 amp GG 5 B LR le a bo al E amp E E E Meee ee n s BR Bon P on o 9 o 9 e Ale lea p cjele a o la T amp TILLIE KAG Hrn JTF C see ee D A DD z ya aa i E BG NG BA BG e e wem ali fir adi 5 io 4 s re Tu es amp amp 5 B PB B P b a cc Fu eo E tu DT re i Tp o 2 cR Sa Xx pe m DU E amp B B b B B B bb ma 5 P B B 5B B B OS 5 amp i NovaMod Step 13222E WA The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 construction 3 Twist together a 25cm blue on red wire with a 25cm orange on black wire thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 35 of 63 4 Connect these to a 1M rotary pot Blue on red connects to clockwise solder tab and center solder tab Black on orange connects to the counter clockwise solder tab Attack Pot Top View 5 Twist together a 25cm black on blue wire with a 25cm brown on black wire 6 Connect these to a 1M rotary pot Black on blue connects to clockwise solder tab and center solder tab Brown on black connects to the counter clockwise solder tab brn blk Decay Pot Top View NovaMod Step Aa The Lab SH 101
7. 15 thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 7 of 63 Terminology Terminology Lug solder connection point on a switch or pot Clockwise Counter Clockwise with respect to switches and rotary pots the clockwise cw position is referenced from an operators position who is turning the control Full Clockwise cw rotation is typically 10 or Max Counter Clockwise ccw is typically O or Min Synth Body plastic chassis of the SH 101 Wire Colours green grn black blk yellow yel gray gry red red blue blu orange org brown brn white wht purple pur A red wht wire is a white wire with red rings Read as red on white Component Side the side of a circuit board which holds the components resistors ICs capacitors etc Solder Side the side of a circuit board with the solder and leads legs of the components usually green Solder Mask the green protective coating over the traces on the solder side of a circuit board m The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Artwork and Connection Points thelab sprint ca http www robotnik com the_lab Made in Canada Copyright The Lab 1995 1999 page 8 of 63 ee a 26 06 15 The Lab SH 101 Synthesizer Modifications Rev 2 0 Schematic and Connection Points thelab sprint ca http www robotnik com the_lab page 9 of 63 Made in Canada Copyright The Lab 1995 1999 NovaMod N
8. 63 1 Mount 1 4 switched jack assembly on SH 101 main body 2 Connect 100k resistor colour code brown black yellow in series with 7cm piece of gray on black wire 3 Connect 100k resistor to junction of pins 4 and 5 of 1 4 jack with DPDT switch 4 Connect other end gray on black wire to sleeve connector on nearby 1 4 VCF in jack tied to Gnd Schematic AB DPDT Switched Jack lgry blk Physical Wiring NovaMod Step 222 A The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 51 of 63 1 Test fit AR unit to end of synth board 2 Use an Xacto knife to enlarge two corrugations on synth board to allow screws to pass through 3 Mount AR using two nylon screws and nuts tala a bA AN ETE a eT i soso ae 080 9 a a a o e 606569 5 5 5259 ela seo 952575 eoeoueeeeeceed 4 Attach wires from AR protoboard to V Gnd V Gate In AR Out points on Synth board AR Envelope External Connect Wire Color code Wire Colour Length Destination Attack Pot CW and center Attack Pot CCW Release Pot CW and center Release Pot CCW Trigger In NovaMod The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 Installation thelab sprint ca http www robotnik com the
9. R107 and R108 on synth board Connect yellow on blue wire to junction of R109 110 111 and 112 on synth board Connect free end of 10cm green on black wire to ground on control board FOS Connection Points Schematic G3 NGO Qi A KG Nap GO Ng EB GPA GORLE NOISE FREQ RES ils a Pigs 68k omer lit N 140 T T IC17 4013 put IT D VRB 4e ago arw ae Tn CF WIDTH NT FM of VCO 5 a D EI g Audio Input t Ground a mU CO Wa usus EI IT LUIS D is c CPU UE ium m TR Q ed cf s alo dis ots fy s E ROS e4 TOk 2 C39 2 27 50 co V VCO WIDTH 2 2 5 aie 8 20M ri e3oob RIS vao Connection Points Art Work NovaMod Step 2 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 FM of VCF Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 47 of 63 1 Connect 10cm blue on red wire from FM amount switch to junction of R184 1870n Control board 2 Connect gray on black ground to virtual ground on control board at low side of Noise slider E Wirfta a NOISE FREO RES lo P183 68k allt me EE IC17 4013 A AP Hagi TT la Ja 1 z 5 i VCF CV In Ground 3 Connect wires as follows Interconnections Switch Position Waveform Colour Length Destination 1 Pulse black on brown 20cm __ VR13hot pin Control Board 2 Ramp red on orange 20cm VR14 hot pin Control Board 3 1
10. hot side of VCO Mod slider 2 Expose trace by scraping away green solder mask on side of cut not connected to the Mod slider thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 38 of 63 D Leave approximately 2cm of untouched trace between cut and exposed part to prevent trace from peeling when wires are connected Artwork Photo w ABI B lag TAY e Os PAN w i x pi i1 emm mL ss woo ao HYMCE Cut Trace ExposeTrace snret MIDIH Schematic LP Vr WAVEFORM R175 33k NovaMod Step 1 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 VCO Mod Source preparation 3 Cuta 15 cm piece of white on orange wire a 15cm piece of red on green and a 40 cm of green on white wire 4 Connect to SPDT switch as follows Wire Color Destination Length thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 39 of 63 white on orange center lug of switch red on green other side lug of switch 5 Twist wires together for 12 cm Note These wire ted later in step 25 red grn NovaMod Ste H 101 Synthesizer Modifications Rev 2 0 26 06 15 e Boost preparation To VCO mod From LFO mo thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 40 of 63 NovaMod Step 122 The Lab SH 101 Sy
11. lab Made in Canada Copyright The Lab 1995 1999 page 52 of 63 AR Envelope External Connect Points Schematic VCA zd IC 15 C6 041 BA662 le Bess 22 16 Gate In BP 5Ok RIZB 4 Tk VRB ke CF WIE Gnd x o har ig E 8 RDS 0470k 74 gp TR W5 WIDTE 0D nze n 2 1U RI4 220k NA 3008 RIS 22x AR Envelope External Connect Points Art Work 9 Gate In utd 052H398 2 cg NovaMod Step 2 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 53 of 63 AR External Connect Points Continued Arn TP ro gon GTR To AR Envelope Trigger In NovaMod Step 22 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 VCO Mod Source Installation 1 Solder white on orange wire from switch in step 15 4 to hot pin on Mod slider 2 Solder red on green wire from switch in step 15 4 to exposed trace 3 Route green on white wire from switch in step 15 4 to envelope area of circuit board thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 54 of 63 4 Connect green and white wire to AR circuit board s VCO Mod Out point refer to step 13 2 From common S SPDT switch From SPDT switch es bhac tt NUS ExposeTrace bnr2e MIDIH
12. riaaerm In NovaMod Step 1322EE H M The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 construction thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 33 of 63 ee e 0 0 00 o ee clelejece eeejejejiee e d d a i 9 meljejejee e Coe elo 0 0 0 eol eo e elejele eo a ag elelelogdpesees MI em soleleteeedes 3 XE oS eS uclo edesesee Sap BeOS pepe ce eco 3 e eejeje ee ommo 1 1 1D l oecibmeseetmiseh 1 11 ON MIA YOO TO gege e FEET TE aeu nee s ee ee ee 1 Populate protoboard with components as shown below O Please pay close attention to polarities of C2 C3 CR 1 2 3 and transistor orientation O Please note 2 3 hole number asymmetry of circuit board 1 NovaMod Step 13222 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 construction thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 34 of 63 2 Connect components as shown below use orange on red wire note ground bus wire on underside of board pa mum R D l i X T rw i ney CAB a AT s 9 ma a 3 st 9 v E amp x k E Aa LI LI i soe EL cx ee e OC ee re E E E a d 252 sh Bow a ves a 2 1 a a
13. to pin 44 gray on red gate out tip to pin 46 blue on white NovaMod Step 2 22EE B The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 PW Mod Source Installation 1 Connect the following from PW selector rotary switch to circuit board Switch se Waveform Colour Length Destination Position LFO Tri Switch 2 Control Board LFO Sar Switch 2 Control Board ILFO Rnd black on orange Switch 2 Control Board PA EE Common _ thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 44 of 63 Interconnect Art Work NovaMod Step 2 22 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 PW Mod Source Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 45 of 63 2 Connect Yellow on Blue wire from common on PW source rotary switch to R176 on Control Board naag pa gt h Cut sa To common on bAr2E MIDIH 6 way switch NovaMod Step 22 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 External Audio Input Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 46 of 63 Mount SPDT switch in location with white on orange VCO FM side towards keyboard Connect white on orange wire to junction of R99 R100 R102 R103 R104
14. within the SH 101 do not interfere with plug insertion c Ensure that the back wall of the synth body does not prevent the tip of the 1 4 jack from moving when a plug is inserted bending the tip of the 1 4 jack away from center may assist or simply rotating the jack 45 degrees thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 60 of 63 4 Text on decals does not match reality a Verify and correct wiring to the switch 5 Noise floor and Hum is noticeable a Change the 9V dc wall wart power supply noticed that my Boss ACA 120 9V 200mA power supply causes noticeable hum from my SH 101 while my Boss PSA 120 9V 200mA is silent 6 Glue on decals edge of decals synth body etc Using thumb rub glue continually in same direction This will make a gummy ball which you can pick off NovaMod Step 3 S The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Calibration Calibration Procedure This calibration is very easy to do All that you need is a digital voltmeter capable of reading DC with an accuracy of 1mV It is highly recommended to connect the voltmeter to a 1 8 plug best done by sacrificing a cable with 1 8 plug at one end and using alligator clips to connect the voltmeter Use 1 4 plug if NOVA MOD was done A guitar tuner or frequency counter is also needed 1 Remove back panel of synth 2 Adjust SH 101 front panel knobs as follows Tune Po
15. 0 26 06 15 External LFO Clock Input preparation thelab sprint ca Made in Canada Copyright The Lab 1995 1999 page 16 of 63 E ci DPDT Switched Jack 100k lgryfblk Part1 IC3 rework 1 On Synth board de solder op amp IC3 I t C2 Cil The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 LFO Clock Input preparation Interconnect Table thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 17 of 63 Wire Color Destination Length gray onwhite Pad2 onSynthboard 18cm green on white Pad 3 on Synth board i8Bcm Pin 2 on IC3 18cm brown on white Pin 3 on IC3 18cm 2 Carefully lift pins 2 and 3 up 90 3 Twist two wires brown on white and orange on white together to make a piece 18cm Strip ends 75 cm 4 Twist two wires green on white and gray on white together to make a piece 18cm Strip ends 72 cm 5 Solder wires in 3 above to IC3 brn wht e 6 Solder wires in 4 above to solder pads of IC3 push gray white and green white wires through from component side craw gry wht 0 9 NovaMod Step Z2 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 LFO Clock Input preparation 7 Re install IC3 and re solder Ensure that pins 2 and 3 do not contact any pads or components or wires etc 8 Twist all four wires together take care not to stress any so
16. 3pin the other 12pin near C12 Remove screws that hold synth board in place Remove 5 screws that hold bender board in place note Gnd lug connecting bender and keyboard Remove 2 screws that hold pitch bender in place Remove 5 screws holding keyboard in place note metalized cardboard shield from arp switch board Lift up and remove keyboard grasp brass stand offs Flip up synth board from battery compartment side to expose the control board Remove plastic battery drip protective film Remove 13 screws that hold the control board in place Pull battery contacts from their slots with needle nose pliers Remove two jack boards note later SH 101 s have a metal plate Gently lift up bender board pitch bender control board and jack boards to allow access to the switch board Remove 4 screws to switch board NovaMod Step te a 63 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Disassembly thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 12 of 19 Carefully remove all components from SH 101 s plastic chassis Make notes of locations of parts so that re assembly will be trouble free Synth board ef lt Control board Bender board lt 0 Jack board B Battery Contacts Jack board A Note two rubber dust covers on Bender boars switches Soaking in water will soften
17. 51k resistor to center lug of pot Connect a 25cm black on green wire and a 10cm black on green wire to counter clockwise lug of 100k pot Twist all 25cm and 35cm wires together Connect free end of 25cm red on orange wire to tip of 1 4 jack Connect free end of 25cm black on green to sleeve of 1 4 jack Connect free end of 35cm blue on red wire to center lug of SPDT switch 0 Connect 35cm orange on white wire to one lug of SPDT switch 1 Connect 35cm yellow on blue wire to other lug of SPDT switch E219 po pL Wiring Diagram C D CCW A A IN blk grn red org a E z cn I S js i e 2c 13 5 E ul d TI gt I E uL oe i O O gt t o o E pe 3 uL Ni O Mrt T NovaMod Step 1 22 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 CV Gate 1 8 to 1 4 preparation 1 De solder four 1 8 c v gate in out jacks thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 28 of 63 2 Using a sharp utility knife score a rectangle in jack board to match the area to be removed Cut out this section BOSU J 3 Using a hack saw make the two short end cuts in jack board 4 Using sharp knife continue to score long horizontal cut until completely through circuit board Di know this is tedious however the circuit board though brittle does not break along score Attempting to score and cra
18. Mod Step 2a The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 FM of VCF preparation 4 Connect 10cm wire blue on red to 100k resistor 100k colour code is Brown Black Yellow 5 Connect other side of 100k resistor to center lug on rotary pot thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 23 of 63 6 Connect output of 6 position switch blue on red to full clockwise lug on 100k rotary pot 7 Connect 12 cm ground wire black on green from full counter clockwise lug on 100k pot blu red blk grn Bottom View of 100K Rotary Pot NovaMod Step d n The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 VCF CV preparation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 24 of 63 1 Connect 100k resistor 100K colour code is brown black yellow to tip of 1 4 mono jack 2 Connect 30cm wire red on blue to 100k resistor 3 Connect 30cm wire gray on black to sleeve of 1 4 mono jack 4 Twist both 30cm wires together 100K gry bik Verify which solder tabs of the jack are tip and sleeve before soldering NovaMod Step Semme The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 PW Mod Source preparation thelab sprint ca http www robotnik com the_lab Made in Canada Copyright The Lab 1995 1999 page 25 of 63 1 Carefully flatt
19. Oct white on green 20cm s5 Control Board 1 1 4 2OctSqr whiteonble 20cm s5 Control Board 1 11 5 2 Oct pulse blue on yellow 20cm S5 Control Board 1 1 6 Osc Noise blackonblue 20cm __ VR16 hot pin Control Board Common Output blueonred 6cm Junction of R184 to 187 Control Board Connection Points Art Work 1 f i NovaMod Step 2 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 FM of VCF Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 48 of Connection Points Schematic Noise X FREQ P183 68k Noise Hwb ope NovaMod Step 24 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 VCF CV Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 49 of 63 1 Connect black on green wire to Junction of R184 187 on Control board 2 Connect Grey on black to Ground near noise source slider on Control board Connection Points Schematic Connection Points Art Work NOISE FREQ RES Riga 68k aml i IC17 4013 NovaMod Step 222 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 LFO Clock In Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 50 of
20. Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 construction thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 36 of 63 7 Twist together a 20cm black on green wire with a 20cm blue on yellow wire and a 20cm black on orange wire 8 Connect the wires in 3 to 7 above plus a Gate In Trigger In and an AR out wire to the protoboard as per the following table O Please refer to the drawing in 2 above to view the protoboard s connection points AR Envelope External Connect Wire Color code Wire Colour Length black on orange 20cm black on green 20cm blue on yellow 20cm redonblue 10cm brown onred 10cm Attack Pot CW and center blueonred 25cm Attack Pot CCW orange on black 25cm Release Pot CW and center black on blue 25cm Release Pot CCW brown on black 25cm Trigger In blue on white 40cm NovaMod Step 1 4 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Accent preparation 1 De solder and lift leg of R140 on C55 side of resistor on synth board thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 37 of 63 Before After NovaMod Step 1 522 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 VCO Mod Source preparation 1 Cut trace on Control circuit board approx 1 2 cm along
21. The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 SH 101 Modification Instructions Version 2 0 ru i Es pw sonce ciado 13 Tiai thelab sprint ca Made in Canada Copyright The Lab 1995 1999 page 1 of 63 ee The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Contents FOTIA AA AA ANG PA 2 OVENI 2o no DAGANG A NABA P 3 PANG NAAN NAAN DAE AA NAG 4 BICCK BIL AA AA APA AA AR 5 FITS 11S E E PAPA PA EEE NP 6 Recommended Tools 7 TEMMMOOGY AA APP PMP PAA PAPA 8 Artwork with connect points 9 Schematic with connect points Lsssuue 10 Step 1 Disassembly aa 11 Step2 Mechanical Repair and Cleaning 14 Step 3 Drilling Body and Trimming Plastic 15 Step 4 Hardware Preparation 16 Step 5 LFO Clock In Preparation 17 Step 6 LFO Rate Scalar Preparation 21 Step 7 FM of VCF Preparation 23 Step 8 VCF CV Mod Preparation 25 Step 9 PW Mod Source Preparation 26 Step 10 External Audio Input Preparation 28 Step 11 CV Gate 1 8 to 1 4 upgrade Preparation 29 Step 12 Envelope 2 AR Preparation 32 Step 13 Envelope 2 AR Construction 33 S
22. The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 External Portamento Installation New Connect brown on white leads common and Norm Open from 5V relay in across portamento switch S1 on bender board Connect white on blue leads coil from 5V relay to 74 portamento in jack Note polarity is not important Mount jack thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 57 of 63 NovaMod Step 3 22zu X The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Resonance Boost Installation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 58 of 63 NovaMod Step 322 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Overdrive Installation NovaMod Step 3 u The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Final Assembly 1 Install Keyboard a Test fit first to ensure the VCF FM Source Amount PW Source control contacts etc do not short against keyboard s metal frame and springs b For safety run two pieces of electrical tape over the VCF FM Source Amount PW Source control contacts etc to prevent shorts c Screw keyboard in place 2 Fasten Synth Board a Carefully bend Synth board in place taking care not to stress wires b Double check for pinched wires or poorly soldered wires com
23. ck may destroy board NovaMod Step 1 22 JOG The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 CV Gate 1 8 to 1 4 preparation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 29 of 63 5 De solder capacitor C13 to allow clearance for an inserted jack Re install it on solder side of board D Pay attention to polarity and ensure that an inserted 1 4 plug does not short the capacitors legs NovaMod Step 1 22 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 CV Gate 1 8 to 1 4 preparation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 30 of 63 6 Solder a black on green jumper wire from large pin labeled hold on hold jack to pin 42 of the 9 pin connector This re makes the ground connection from the left side of the jack board to the right side The trace was cut in steps 1 through 4 above 9 Solder 15cm wires to the pins of the 9 pin connector on the jack board as follows D Do not connect to 1 4 jacks yet Connector Pin Wire Colour Destination Length hold NovaMod Step 1 A The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 preparation 1 Cut trace to ribbon interconnect to control board at pin 83 on synth board thelab sprint ca http www robotnik com the lab Made
24. en connection points on 6 position rotary switch O Only half of the rotary switch is used 2 Connect six wires white on brown brown on red black on orange white on green blue on yellow blue on black to 6 position rotary switch Switch Position Pas a a th 1 2 3 4 5 6 Common blu blk blu yel wht grn a yel blu 4 blk org mi PA A Mr A g pe s k oN brn red d a Sd wht brn Ss d s NovaMod Step dece The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 PW Mod Source preparation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 26 of 63 3 Connect one 12cm wire yellow on blue to output pole of switch 4 Cut trace on Control board between R176 and Jumper CONTROL BOARD View from foil side da AUT H gt aa aa TIT CI T a mo Herc CC cea aa The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Ext Audio input preparation 1 Connect 25cm red on orange wire to positive polarized side of capacitor 2 Connect negative side of 4 7uF polarized capacitor to clockwise lug of 100k pot thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 27 of 63 Connect 51k resistor colour code is green brown orange to 35cm blue on red wire Connect to free side of
25. in Canada Copyright The Lab 1995 1999 page 31 of 63 se ZIIPIIITIIM Schematic Cut C56 R41 10 16 33k C57 041 NovaMod Step 1 Sieeee The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Envelope 2 construction thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 32 of Schematic TM Gate In as zMJi226 CR Z az AR Out iMNdid8 ce 2N4126 Ei 3 duF 1E z0 CE HE to OS Mod ET 4ruF ik So Ra 47K AR Envelope Part Reference Y Designator Part Value R Resto 220R 1 2watt red red blk bik R3R9 Resistor 47k1 2watt_ yel pur blk red R Resistor j t5ki wat brn grn blk red RA JRessor 220R172wat red red blk blk R5R6R8 Resistor 680R 1 2watt blu gry blk blk R7ZR10 Resistor 1k1 2watt brn blk blk brn C2 Cepacior antPo 3 3uF 20V C1 Capacito Non Pol DOluF 0 0 0 0 0 CR CR2CR3 Diode 1N4148 fQ1a4 qrmrnsstrNPN 2N5172 v 8 Q2Q3Q5 Transistor PNP 2N4126 VRM2VR2 Pot Rotary Miner C3 Cap electrolytic Pol 0 47uF 50V required for step 25 AR to VCO mod A 47uF tantalum capacitor may be substituted for C8 C1 O O1uF Rz 15k
26. ing width between the two notes It should be exactly 2 octaves however VR 6 can make it greater or less that this amount If you have good ears you may be able to adjust VR 6 without an instrument use keys G3 and G4 if you use a guitar tuner that reads only EADGBE notes Note you may have to adjust VR 7 slightly to retune Unfortunately VR 6 adjusts the width AND the overall tuning TIP Play the lowest note and set it to reference point using VR 7 i e G3 for the guitar tuner Next press the G4 key and note where it sounds If it is too high then adjust VR 6 so that the G4 note increases in pitch YES INCREASES Next play G3 again and adjust VR 7 to re center the guitar tuner Press G4 and see how close you have come If G4 is too low then lower the pitch through VR 6 Repeat this until You get your octave spacing 15 Press an A key and adjust VR7 until the guitar tuner is centered on A 221 442 884 on a counter 16 Repeat 14 and 15 until happy or crazy Actually SH 101 s are easy compared to Moogs 17 De power the Synth 18 Re power again holding the TRANSPOSE and LOAD keys 19 Press the U amp D button then press the UP button Adjust VR 5 until the output is at the same pitch for each button thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 62 of 63 20 De power then re power synth 21 Adjust sliders so that all waveforms and noise levels are O Res is at Max VCF E
27. ing loose especially those in NovaMod Steps 5 amp 6 c Screw Synth Board in place 3 Connect two cables to keyboard unplugged in step 1 5 4 Connect two cables to synthboard unplugged in step 1 6 5 Closely inspect wire routing especially near jacks and rearrange as required thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 59 of 63 6 Insert 1 4 plugs in all new 1 4 jacks to test for ease of insertion See Step 30 Trouble Shooting for problems with insertion NovaMod Step 34 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Trouble Shooting Trouble Shooting 1 No Power Up a Check the cuts made on the jack board for the CV Gate 1 4 upgrade in Step 11 of the NovaMod Compare the circuit board to the artwork and schematic in the SH 101 Service manual Ensure that no 9Vdc or grounds have been cut If they were cut simply jumper around them b Check for wires which may have broken loose from flexing and stress while completing the NovaMod c Check for shorts caused by wires or debris on circuit boards 2 No Sound a Ensure that the two cables to the keyboard unplugged in Step 1 9 are re connected b Ensure that the two cables to the synth board unplugged in Step 1 4 are re connected 3 Difficulty in inserting 1 4 plugs a Ensure that objects on the Jack board CV Gate Jacks do not interfere with plug insertion b Ensure that wire harnesses
28. lder joints thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 18 of 63 e J a i ai S ad Q Ng rn wht gry wht Dr NovaMod ee LO CC UA HA The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 LFO Clock Input preparation thelab sprint ca http www robotnik com the lab Made in Canada 63 Copyright The Lab 1995 1999 page 19 of Part2 1 4 Jack with DPDT switch work 9 Connect pin 5 on 1 4 jack with DPDT switch to pin 4 on same jack see figure below 10 Connect sleeve of jack to pin 1 of jack see figure below note sleeve not visible 11 Connect wires to 1 4 jack with DPDT switch as shown in Interconnect Table below Interconnect Table Wire Color Destination No connect E E L grn wht T brn wht E RES org wht 9 el GS os a ri NovaMod Step The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 LFO Rate Scalar preparation 1 De solder and lift R15 on side connected to TR 4 on synth board thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 20 of 63 2 Solder 150K resistor in series with R15 150K colour code is brown green yellow 3 Twist three wires white on gray gray on red black on blue together to make a piece 21cm Strip ends 1 2cm Keep three wires on component side of board 4 Solder white on g
29. nthesizer Modifications Rev 2 0 26 06 15 Overdrive preparation NovaMod Step 15 A The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Decals preparation 1 Carefully cut out decals using shear scissors or Xacto knife with ruler 2 Carefully cut out center holes for pots and switches Test fit with actual hardware 3 Trace edges of decals with black permanent marker to hide the white color of the paper bonded inside laminate thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 41 of 63 NovaMod Step 195 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Decal Installation Clean surface of SH 101 where decals will be placed In a well ventilated area place decals on clean smooth piece of wax paper face down Spray aerosol glue onto the backs of the decals Carefully affix decals to SH 101 s main body as per diagram below Allow 12 hours to dry id a d cic Clumps of glue can be removed easily at a later time Do not worry about smudges on decals or synth body thelab sprint ca http www robotnik com the_lab Made in Canada Copyright The Lab 1995 1999 page 42 of 63 NovaMod Step 2 0 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Re Assembly Install PW Source Switch leads away from keyboard Install Ext Audio Pot leads away from keyboard Let switch and jack dangle
30. nv and VCF Mod are 0 Cutoff is approx 8 adjust so that a tone is hear from the self oscillation of the filter 22 Alternately play two notes exactly 1 octave apart 23 Adjust VR 8 until the two notes played sound 1 octave apart Use a freq counter or tuner or ear to measure 24 Measure the DC voltage across the two test points on the Bender Board The test points are the wires accessed through the two holes drilled in the circuit board Adjust VR 3 on the bender board for a 0 000V dc reading thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 63 of 63
31. ovaMod Step te The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Disassembly thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 10 of 63 1 Remove all slider caps and rotary knobs Slider Colour Quantity Location PW Mod Src switch Sub Osc Oct switch VCA mode switch Env Trigger switch All other sliders 2 Remove bottom panel 10 black screws and 2 black machine screws How to Disassemble Remove 2 TP screws and 10 P tight screws 2 TP screws 3x10mm Screws 123H001 m Strap pin 2228532500 B Holder 064H158 D E Bottom panel 065H116 10 Ptight screws 3x10mm Note Be sure to use plastic screws 3x10mm when reassembling Keyboard Bender board 149H178 1 Synth board 149H177 2 Control board 149H177 1 Jack board A 149H178 2 Film battery case 114H008 NovaMod Step te c The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Disassembly thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 11 of 63 SN Pg ILALL SUAL Ng NN Yr E i d Assembly Date Clip wire tie holding two wire harnesses to keyboard Clip wire tie holding main wire harness to synth board Disconnect two header connectors on keyboard board 4pin and 8pin Disconnect two header connectors on synth board one near C55
32. ray to junction of TR 4 and 150K resistor 5 Solder gray on red wire to unmodified side of R15 resistor 6 Solder black on blue to junction of R15 and 150K resistor NovaMod Step The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 LFO Rate Scalar preparation 7 Connect wires to SPDT center off switch as follows Interconnect Table Wire Colour Destination Length side lug of switch center lug of switch black on blue other side lug of switch thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 21 of 63 NovaMod Step Zz nemmmm Go The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 FM of VCF preparation thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 22 of 63 1 Carefully flatten connection points on 6 position rotary switch 2 Connect six 20 cm wires black on brown red on orange white on green white on blue blue on yellow black on blue to 6 position rotary switch Refer to wiring interconnect below Only half of the rotary switch is used 3 Connect one 6cm wire blue on red to output pole of switch Switch Position Waveform Colour Length 1 black on brown 2 3 1Oct white on green 4 5 6 Common Pay careful attention to wire colors rotation etc Mistakes here will result in decal mismatch problems Nova
33. re installing 3 Broken Keys If the pieces of the damaged key are still in the synth or have been saved simply remove the rest of the key glue it then re install If this is not possible order new keys from your nearest Roland Service Center 4 Battery Acid Damage a Clean as much acid crust off the circuit boards b Scrub the area with baking soda and water c Rinse with isopropyl alcohol d Allow to dry e De solder and replace any damaged components f Use wires to jumper around damaged traces Cleaning 1 Bath plastic body knobs and slider caps in a sink full of warm soapy water 2 Use a tooth brush to remove dirt from the grooves of the slider caps and from the knob indicators as well as from the module dividing grooves in the synth body 3 Rinse the above components with water and dry 4 Use a dry tooth brush to remove any dirt from the sliders pots switches on the control board 5 Wipe keys with a clean cloth and a cleaner I like to use tough and tender melaleuca cleaner NovaMod Step dasmm The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Drilling Body and Trimming Plastic Do not attempt to drill a SH 101 with any of the circuit boards installed 1 With scissors carefully cut out paper drill templates and tape to main body thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 14 of 63 Haiii LLL al 2 Use a
34. s with much positive feedback This inspiration lead to sharing the mod by posting sketchy notes on the Internet It was a simple Word 6 document with spartan details lots of typos and a few mistakes oops Surprisingly many people successfully used the document to complete their own NovaMods Following even more positive feedback a better html based step by step instruction with drawings photos and scans of the schematics was created an put on line This document seemed to be very popular but the medium proved too awkward to maintain This present document is the replacement and is most likely the final format As with each revision new features have been added The NovaMod gas grown from 5 mods to over 15 Good luck with your NovaMod Philip Pilgrim thelab sprint ca http www robotnik com the lab thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 3 of 63 Ee The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Features Features FM of VCF amount and source selection Amazing and aggressive new sounds are now added through this feature Six FM sources are available Pulse Width Mod source selection Now you can choose a pulse width source It is independent from the LFO s waveform setting OSC sources are included External Audio In The ability to route a signal into the audio path is now provided Don t forget feedback loops using headphone out Routing of external a
35. t in center position VCO Mod slider at O Range at 8 Pulse width at O Pulse waveform off Ramp waveform at Max Sub Osc waveform at 0 Noise at 0 thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 61 of 63 Freq at Max Res at 0 Env at 0 Mod at 0 Kybd at Max VCA at Gate Portamento at Off Transpose at M Volume at 10 VCO VCF MOD bender assignments at 0 3 Connect voltmeter to CV output jack Measure DC voltage 4 Power up SH 101 while holding LOAD and KEY TRANSPOSE buttons down These LEDS should stay lit 5 Voltmeter will now read approx 0 000V Adjust VR 2 on Synth Board to achieve 0 000V 6 Press PLAY button 7 Voltmeter will now read approx 2 750V Adjust VR 1 on Synth Board to achieve 2 750V 8 Press ARPEGGIO DOWN button 9 Voltmeter will now read approx 2 500V Adjust VR 3 on Synth Board to achieve 2 500V 10 Repeat steps 5 9 until all measurements are within 1mV note you can press the LOAD button to return to the state required for step 5 rather than re powering 11 De power the Synth 12 Re power the synth and connect a guitar tuner or frequency counter to its output 13 Alternate playing the lowest key F3 and highest key F5 while looking at the tuner counter NovaMod Step 3 Sa The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Calibration 14 Adjust VR 6 until both notes are exactly 2 octaves apart VR 6 adjusts the frequency spac
36. tep 14 Accent Preparation eeeessseesse 38 Step 15 VCO Mod Source Preparation 39 Step 16 Resonance Boost Preparation 41 Step 17 Overdrive Installation 42 Step 18 Decal Preparation suuesusss 41 Step 19 Decal Installation 42 Step 20 Re assembly 43 Step 21 PW Mod Source Installation 44 Step 22 External Audio Input Installation 47 Step 23 FM of VCF Installation 48 Step 24 VCF CV Installation a 49 Step 25 LFO Clock In Mod Installation 50 Step 26 Envelope 2 AR Installation 51 Step 27 VCO Mod Source Installation 54 Step 28 Accent Installation s 54 Step 29 PW Mod Width Change ssueesss 55 Step 30 External Portamento In Installation 57 Step 31 Resonance Boost Installation TBD Step 32 Overdrive Installation TBD Step 33 Final Assembly 00 58 Step 34 Trouble Shooting 0 eee eens eeeee ens 59 Step 35 Calibration aaa 60 Roland Service Manual 2 KK Annex A Drill Templates
37. th accent Like a 303 but far more powerful sonically and musically Overdrive Overdrive the VCA borrowed from 22Hz s MC 202 mods Results in a nice saturated sound Resonance Boost With this you now can peel paint off walls Watch your ears thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 4 of 63 NovaMod 26 06 15 The Lab SH 101 Synthesizer Modifications Rev 2 0 Block Diagram LFO MOD AA SH 101 BLOCK DIAGRAM yy BENDER MOD GRIP py oo A S R ki p L vco VCF 42 KA ENV PHONES j ooreo z gt 11 OCT DOWN x 2 OCT DOWN SUB OSC po bo 2 OCT DOWN fl CUTOFF RESO EXT i CLK P o ENV IN S i L GATE HOLO NOISE RANGE TRANSPOSE POWER SUPPLY AEPORTA GATE POWER MENTO x amp T a E 1 emory Back up Haltery E a Memory Backup Battery cesar abd GATE GATE Cv CV QUT IN OUT IN Koy Assigner Sequencer Arpeg gator etc thelab sprint ca http www robotnik com the lab Made in Canada Copyright The Lab 1995 1999 page 5 of 63 NovaMod The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Parts List Parts List Part Value Quantity Capacitor electrolytic Non Pol LOduF p Capacitor electrolytic Pol 23uF20 V 11 Capacitor electrolytic Pol D4AzuF5OV NM
38. udio to frequency modulate VCO is also implemented An envelope follower is also included Envelope 2 AR type A discrete ARP Odyssey AR envelope can be used to drive the VCA This free s the ADSR for complex VCF modulations The AR envelope also re triggers Pulse width to near 0 Pulse width effects are now made more extreme and powerful External LFO Clock input Syncing the Arpeggiator and LFO to external drum modules and sequencers is now possible As well interesting feedback loops can be created Even triggers by 1V or less audio signals External VCF CV input Just plug in a foot pedal or a CV from a midi converter and your SH 101 will be even more expressive LFO rate scalar lo normal high Ever hear a bell sound out of a 101 Try this on Hi Want a really slow sweep you got it too VCO mod source selector LFO or Env 2 Simply an auto pitchbend like feature when Env2 is used Manual accent button and amount An Accent button is added for manual increase of volume A pot controls amount Lots of fun live 1 4 CV Gate input outputs Aren t we all tired of those miniphono plugs They should only exist on walkmans 1 4 portamento control Now you can use your computer sequencer and a MIDI to CV converter to create complex sequences with slides Like a 303 but far more powerful sonically and musically 1 4 accent control Now you can use your computer sequencer and a MIDI to CV converter to create complex sequences wi
39. wl or sharp object to indent plastic in main body at drill centers 3 Remove paper template 4 Drill Holes diameters are on paper drill templates For better accuracy drill 3mm pilot holes first Don t forget to drill out the c v and gate in out jacks if you plan to use 1 4 jacks 5 Cut away plastic structural bracing in the vicinity of the new pots and switches to be mounted under the Source Mixer VCF and VCA sections Drill Template 1 Use a sharp Xacto knife to score the plastic then carefully bend it until breaking Take care not to force the plastic damage to the top surface may result Step 4 The Lab SH 101 Synthesizer Modifications Rev 2 0 26 06 15 Hardware Preparation 1 Test fit all hardware pots toggle switches 1 4 jacks rotary switches etc to verify hole sizes Resolve any conflicts thelab sprint ca Made in Canada Copyright The Lab 1995 1999 page 15 of 63 now 1 4 jacks for CV Gate mod will be mounted in step 18 At this point just ensure that the holes are large enough to fit the jacks in 2 Test fit 1 4 jacks in synth body C V gate ins are the 2 conductor shorting type while C V gate outs are regular 1 4 jacks Tip contacts go to back of synth 3 Carefully grind or file the C V in jack to allow clearance for the adjacent gate in jack as well as the plastic post Grinding of other jacks may be required Trim Jacks Here Step 5 The Lab SH 101 Synthesizer Modifications Rev 2
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