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Master Assembly

CLASSICA W3SK

AM 079

AM 079 (Part)

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Summary of Contents for CLASSICA W3SK

Page 1: ...Master Assembly CLASSICA W3SK AM 079 AM 079 Part 1 ...

Page 2: ...an Drawbars 6 3 5 Testing of the Lower Manual Envelope Control 6 3 6 Testing of the Drawbars and Envelope Control of the Upper Manual 7 3 7 Testing of the Lower Manual Fixed Stops 7 3 8 Testing of the Fixed Stops of the Upper Manual 8 3 9 Testing of the Pedals 9 3 10 Testing of the Frequency Vibrato 9 3 11 Testing of the Selector Switches Drawbars Fixed Stops 10 3 12 Testing of the Wersivoice 11 3...

Page 3: ...building blocks in the organ top 4 Figure 2 Block diagram of the audio wiring and associated DC controls 5 Figure 3 Schematic layout of the wiring harness GO 3 14 2 2 TABLES Table 1 Wire List of Harness GO 3 15 AM 079 Part 3 ...

Page 4: ...Figure 1 Layout of the building blocks in the organ top AM 079 Part 4 ...

Page 5: ... ones are to be plugged in by rereading chapter G 3 1 Preparations Cut off a 100 cm 40 long piece of hookup wire any colour Solder an alligator clip to one end and connect the other end to 15 V of the power supply together with the large number of blue wires This lead will serve as test wire to activate the various analogue audio switches 3 2 Conventions and lnitial Conditions A tongue tab is said...

Page 6: ... the preamplifiers to their centres of rotation Pull all 12 drawbars of the lower manual out half way Jam a key in the centre of the lower manual in the depressed position There should be no audible sound yet Clip the test lead to plug 4 terminal S 2 of the right preamp The drawbar signal should appear from the right speaker If no tone is heard touch the terminal E 2 plug 3 of the right Area m p w...

Page 7: ...f the lower manual Pull the volume control L Man out mid way Push the connector from the harness G03 onto the pins of Plug 1 and Plug 2 GP 2 of lower manual Clip the test lead to pin S1 of the right preamp The selected fixed stops will now be audible from the right speaker Check the presence of all fixed stops and compare the sound character with the list below Fixed Stop Voices of the Lower Manua...

Page 8: ...ixed Stops of the Upper Manual Jam a key of the upper manual in the depressed position Turn on a few fixed stops of the upper manual Pull the volume control U Man out mid way Push the connector from the harness G03 onto the pins of Plug 1 and Plug 2 G P 2 of upper manual Clip the test lead to pin S 3 of either preamp The selected fixed stops will now be audible Check the presence of all fixed stop...

Page 9: ... especially at lower pitches Again test the changeover of the sound to the other channel by clipping the test lead to pin S 3 of the other preamp 3 9 Testing of the Pedals The drawbars and the fixed stops of the pedal section are to be tested in the same way as the voices for the manuals The corresponding control inputs at the preamplifiers are S 6 for the drawbars left and right S 5 for the fixed...

Page 10: ...hat is easy to verify by touching the corresponding pin of the switchbank other end of wire No 145 If the vibrato does not slow down we have to assume that the wire you see emerging from the switch bank is not the one arriving at pin A 3 on the generator More likely the vibrato will slow down giving rise to two new questions a Is the switch Slow Vibrato defective b Is the control voltage for the e...

Page 11: ...rawbars for a matching bright sound The switches Fixed Stops to Wersivoice in both manuals when pushed down assign the respective sounds to the Wersivoice The Wersivoice imposes a rather complex vibrato on the sound such that it seems to emerge from rotating speakers or baffles 3 13Testing of the Channel Selectors Push the connector for plug 4 onto the pins of the left preamplifier While playing o...

Page 12: ...Turn on the switch Heavy also called Celeste The intensity of the vibrato should increase Turn on the switch Soft only also called Chorus The vibrato becomes less intense Turn on both Heavy and Soft The result is an intensified vibrato like the one you hear when holding your ear very close to a rotating speaker Thus ultra heavy vibrato is disabled automatically and reduced to normal heavy at the c...

Page 13: ...abilities Maybe you want to start your playing experiments with duplicating some of the sounds Klaus Wunderlich displays live on his LP Wersitime 2 His registration information on the liner notes pertain to the model W 2 S the principles hold true for all other models There is also a record dedicated to the CLASSICA namely the LP Old Masters by Paul Heuser This recording represents a good collecti...

Page 14: ...Figure 3 Schematic layout of the wiring harness GO 3 AM 079 Part 14 ...

Page 15: ... S 2 15 V Piano PI 1 plug 3 pin 1 5 Neg supply voltage 9 W blue Power supply P S 2 1 5 V Master pitch control terminal A On interface panel AP 1 10 W blue Power supply PS 2 15 V Envelope control U Man H K 13 terminal 15 Neg supplyvoltage 11 W blue Power supply PS 2 15 V Bus bar U Man Neg supplyvoltage 12 W blue Power supply P S 2 15 V Piano keyers PI 13 terminal V Neg supply voltage 13 W blue Powe...

Page 16: ...ed Power supply PS 2 15 V Piano keyers Pl13 terminal Pos supply voltage 39 W red Power supply PS 2 15 V Piano keyers Pl12 2nd oct terminal Pos supply voltage 40 W red Power supply PS 2 15 V Piano keyers PI 12 3rd oct terminal Pos supply voltage 41 W red Power supply PS 2 15 V Piano keyers PI 12 4th oct terminal Pos supply voltage 42 W red Power supply PS 2 15 V Piano keyers Pl12 5th oct terminal P...

Page 17: ...in 17 not used in some harnesses 69 W black Power supply P S 2 G N D Wersidata switches SW 2 point G N D G N D 70 W black Power supply PS 2 G N D Tape jack on AP 1 terminal2 G N D 71 W black Power su pply PS 2 G N D Pedal drawbars Z R 1 pin 12 not used in some harnesses 72 W black Power supply PS 2 G N D Pedal drawbars Z R 1 pin 14 G N D 73 W black Power supply PS 2 G N D Master pitch control term...

Page 18: ... 3 point 1 P M P M 92 W green Programming U Man P R 1 plug 2 pin 14 Switch bank Vibrato Reverb U S 1 point pm PM for tone generator 93 W green Programming U Man P R 1 plug 2 pin 15 Fixed stops U Man G P 2 plug 1 pin P M PM for fixed stops U Man 94 W green Programming U Man P R 1 plug 2 pin 16 Wersidata switches SW 2 point P M P M 95 W white Left Preamp V V 1 pin R A Right Preamp V V 1 pin R A Reve...

Page 19: ...Preamp V V 2 left plug 5 cond to pin E 11 shield cut off Preamp VV 2 right plug 5 cond to pin E 11 shield cut off Extension of cable No 108a 109 W red blue Preamp V V 2 left plug 4 pin S 1 Channel selectors S 2 K point 10 L Man fixed stops left 110 W yel red Preamp VV 2 left plug 4 pin S 2 Channel selectors S 2 K point 9 L Man dra wbars left 111 W wh yel Preamp V V 2 left plug 4 pin S 3 Channel se...

Page 20: ...d stop audio to WV 128 S blue U Man drawbars Z R 4 cond to pin 1 shield to pin 17 Wersivoice W V 7 inputs cond to pin 4 shield cut off U Man audio to WV 129 S white Pedal volume control cond to term S shield to term A Wersivoice W V 7 inputs cond to pin 5 shield cut off Pedal audio to WV fixed stops 130 S red Pedal drawbars Z R l cond to pin 10 shield to pin 9 Wersivoice WV 7 inputs cond to pin 6 ...

Page 21: ...lug A pin 5 Piano PI 1 plug 1 pin Trig Key down 148b W yel blue Piano PI 1 plug 1 pin Trig U Man envelope HK 13 pin Perc Extension of wire No 148a 149 W brown Tone generator G 1 plug A pin 6 Switch Cont Vibrato US 1 point a Continuous vibrato 150 W yellow Tone generator G 1 plug A pin 7 Switch Del Vibrato US 1 point a Delayed vibrato 151 W yel blk Tone generator G 1 plug B pin 7 Transposer TP poin...

Page 22: ...tch Long Sustain point a Control for long sustain 164 W yellow L Man envelope H K 13 term sust m ed L Man switch M ed Sustain point a Control for medium sustain 165 W brown L Man envelope H K 13 term sust short L Man switch Short Sustain point a Control for short sustain 166 W gray L Man envelope H K 13 term att soft L Man switch Soft Attack point a Control for soft attack 167 W white U Man envelo...

Page 23: ... 1999 Thomas Erlebniswelt Musik This document has been reproduced for the benefit of current owners of WERSI organs It should not be used for any commercial purposes AM 079 Part 23 ...

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