TO C17 24-90PF "VOLUME" R4 C2 680PF TABLET 39PF RADIO-PHONO 1.8M E F EXPRESSION C22 60PF/SECCONTROL R5 R9 C6 C15 C16 140V C23 C24 10M 820K 30PF 51PF 145V .033 C18 C20 G NON-VIB 1 6 TONE T3 CHANNEL 12AX7A 220PF 220PF 12AX7A V1 R40 6 BNTO TONE INPUT R6 2 V4A 7 V4B .033 A R29 R37 82PF V3B CABINET 47K 6AU6A C5 R36 .3M 7 330K 270K 12BH7A G 100PF 1 .01 3 R30 R32 R34 8 330K R39 C3 R10 R27 15M R3 R35 812V 3.9M 1.8M 1.8M 270K 5 130V 1.8M +280 3.3M 330K +290 7 R31 R33 +280 R41 1200 R38 C26 68K 68K 100K R8 +1.7 (V2) +1.7V (V2) 390K R42 30/25 +1.7 (V2) 62 470K INPUT FROM C4 R7 VIBRATO SCANNER D C19 C21 C25 INPUT FROM +280 .0022 .001 .001 MATCHING XFMRS C OUTPUT TO THRU VIBRATO 2.2M TABLETS .33 VIBRATO1.0 LINE 4.7M C7 C11 TO HTRS T7 R97 R13 24PF .0047 "BL" 335V +205 C13 C35 R63 4500 10M R15 390K R98 R18 150PF C35 R63 117VAC C60 7500 R14 12BH7A 2.7M 10M 1 R25 390PF 390K 50/300 VIBRATO V3A C33 60 HZ 1 4 CHANNEL C34 +290 +37 2 100 .0033 R94 INPUT 47K .001 C34 R62 6 3 900 B 7 R99 R16 220K R91 V2 .001 4.7K 180 100PF 3 +290 +280 6AU6A1 375V 270K C8 C12 R62 C33 "GY" V8 C32 C56 R95 R96 +33 R12 .0047 R21 100K .0022 6X4 5 R22 390PF 40/450 R100 R101 7 1M 4.7K 4.7K R19 820 C57 C58 C56 2.7K 2.7K 470K THESE COMPONENTS GO BETWEEN POINTS "P" AND "D" IN AO-28-1 40/400 30/350 10/350 +1.7V 62R20 95V AMPLIFIERS (WITH NO CODE 30/25 LETTER ONLY) INSTEAD OF R17 2.2M R23 R24 THOSE SHOWN AT LEFT C9 1.2K 22K 22K C10 .33 +280 TOP VIEW T5 P C56 C9,C26 (* SEE NOTE) 12AU7A T3 C59,C60 V7A C57 T4 C28 1 R48 R52 * R61 SELECT FOR C58 T5 CHANNEL BALANCE T1 2 39K (MOUNTED ON "P" TERMINAL) EXPRES- V5 47K SION 470K .047 R53 T6 1 6C4 * *C32 T6 C31 47K CONTROL R47 .0082 3 V8 V3 V4 V1 V2 V6 V5 V7 T4 6 +205 .33 +205 +33 C29 H 47K 8 R60 7 R54 * +37 30K PERCUSSION 100PF 47K 7 CHANNEL C30 PERCUSSION INPUT R49 V7B CUTOFF GY BL BN G G F EC P D AB L 6 R58 2.2K V6 12AU7A 25/25 6C4 4.7M NKMJH 1 N TO SIDE VIEW R50 7 R57 PERCUSSSION SWITCH J R55 L 6 NOTE: 22 82K 1.5M M MODEL B3, C3, RT3 R51 R52,R53,R54,C32 IN K AO-28-1 AMPLIFIERS TO 25V R56 (WITH NO CODE LETTER ONLY) Title PERCUSSION 4.7K +33 PREAMPLIFIER TYPE AO-28 SWITCH 22K Size Document Number REV B ------1.0 Date: April 20, 1995 Sheet 1 of 1 VIBRATO R10 - SELECT AT TEST GREAT OFF SOFT VOLUME T1 TYPICAL GROUP OF LOWER PEDAL TYPICAL GROUP OF UPPER R4 C2 R9 T2 MATCHING (GREAT) MANUAL DRAWBARS DRAWBARS (SWELL) MANUAL DRAWBARS ON NORMAL TRANSFORMER MATCHING TO BALANCE CHANNELS (LOWER AND PEDAL) TRANSFORMER 1.8M 820K R10 VIBRATO 39PF C17 24-90PF E F UPPER R5 3.9M 145V SWELL OFF R29 680PF C24 R2 +280V RADIO-PHONO 10M C5 C1 A V1 ON R6 .01 330K C22 470PF 6AU6 130V C8 82PF 1M 100PF C16 60PF/SEC C23 R37 .033 30PF C15 .033 EXPRESSION 140V 270K 47K CONTROL R8 1 R39 285V G R3 C3 6 12AX7A T3 R1 1 5 470K C18 C20 TONE 6 270K 2 V3B 3.9M 51PF 220PF 220PF V4B 330K R40 BN R28 V4A 7 7 12BH7A 6 60V R36 R38 2 3 5 12AX7 300K R7 7 3 330K 390K G +1.7V 270K R32 R34 8 8 R27 R30 2.2M R35 +290V C4 +280V 15M 62 1.8M 3.3M +280V 12V (FROM V2) .33 +1.7V 1.8M 1.8M R41 (FROM V2) +1.7V 1200 100K C26 B C7 (FROM V2) R13 C11 R31 R33 R42 30/25 68K 68K 4.7M 24PF C25 LOWER MANUAL BUSBARS .0047 .001 R14 R15 R25 8 +290V C19 C21 UPPER MANUAL .0022 .001 PRESET PANEL 7 10M 2.7M 100 6 6 V2 V3B R16 C12 5 6AU6 7 12BH7 4 1 5 130V 3 470K C13 2 C8 .0047 R12 8 1 .0001 R21 D 0 270K 7 R19 1M 100VR22 LOWER MANUAL 470K 1.0 C PRESET PANEL R17 R20 820 BUSBARS 62 1.2K C9 2.2M UPPER MANUAL 30/25 +280V R23 R24 6 60VC10 PERCUSSION 2 3 .33 95V22K SIGNAL22K +1.7V VIBRATO 5 (TO V1,V4) (GEN 49-91) SWITCH 91 CLOSED CLOSED CLOSED CLOSED IN V1,V2,V3 IN V1/C1 IN V2/C2 IN V3/C3 C35 C34 150PF R44 SCANNER 200V 22K R63 1 R62 C32 .001 V7A C33 390K 100K 390PF C28 12AU7 .0033 R48 T5 2 PERCUSSION T4 H 1 V5 +37V 470K 3 OFF R47 .047 1 6C4 T6 +205 7 4 6 +205 C31 (GEN 44-48) ON THIRD 47K C29 44 R61 7 8 33K SECOND 100PF .33 7 C30 85V R49 200V V7B +33V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 2.2K 12AU7 6 25/25 R58 PERCUSSION L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 L13 L14 L15 L16 L17 L18 J R50 CUTOFF R60 30K 4.7M (GEN 1-43) 22 R57 L R65 R67 R69 R71 R73 R75 V6 27K 1 6C4 56K 39K 33K 18K 12K K R51 1.5M C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 25V 1 M PERC. R77 7 DECAY 15K GENERATOR PERCUSSION R66 C37 R68 C38 R70 C39 R72 C40 R74 C41 R76 OUTPUT 4.7K SLOW VOLUME 6 R55 82K .004 .004 .004 .004 .004 .004 .004 .004 .004 .004 .004 .004 .001 TERMINALS R59 SOFT VIBRATO DELAY LINE R56 22K 120K 68K .004 150K .004 150K .004 180K .004 180K .004 180K R46 +33V 12K NORMAL FAST NOTES: TONE NINE CONTACTS AND CONNECTIONS 335V UNDER "A#" ADJUST KEY ARE R81 10 R84 5 SAME AS "B" EXCEPT THAT GENERATOR R97 1 RUN OFF THESE THREE DRAWBAR WIRES SWITCH +205V GO DIRECTLY TO KEY CONTACTS. T5 C56 C9,C26 BL T7 4500 R98 T3 C59,C60 ON C60 C57 T4 R82 47 R85 5 7500 NINE CONTACTS UNDER TYPICAL R80 50/300 2 C58 10 START 6.0V PLAYING KEY. T1 SWITCH HEATERS +290V +37V EXPRES- TOP VIEW R94 NINE CONTACTS AND CONNECTIONS SION TO GENERATOR L20 R83 470 R86 20 UNDER "B"3 ADJUST KEY. T6 TERMINALS 8 CONTACTS UNDER R87 1 4 R99 CONTROL TYPICAL PEDAL KEY (SEE PEDAL 4.7K PRESET PERCUSSION SWITCH V8 V3 V4 V1 V2 V6 V5 V7 R88 117VAC +280V 180 WIRING CHART) 6 3 900 UNDER "B" ADJUST KEY ONLY. 600 50/60HZ 7 R95 4 (1000)250 R91 R96 +33V HEATER 375V (IF USED) 4.7K NINE CONTACTS AND CONNECTIONS 4.7K R100 R101 5 V8 UNDER TYPICAL PRESET KEY. GY C56 C57 C58 C56 2.7K 2.7K 6X4 6 TO GENERATOR TERMINALS STARTING SYNCHRONOUS 40/450 40/400 30/350 10/350 (SEE MANUAL WIRING CHART) BUSBARS 340VRMS PINS 1,6 Title MOTOR MOTOR R61 SELECTED AT TEST TO GND 7 TO BALANCE THE CHANNELS. B3/C3 SCHEMATIC PEDAL SWITCH Size Document Number REV E ------1.0 Date: December 11, 1995 Sheet 1 of 1 GY GY VI VI BL BL GN GN YL YL ORBN BNOR RDBK BKRD A G# G F# F E D# D C# A G# G F# F E D# D C# GY GY G V B G Y O R B W G V B G Y O R B R B W G V B G Y O R B W G V B G Y O R B VI VI W Y I L N L R D N H Y I L N L R D N D N H Y I L N L R D N H Y I L Y L R D N H BL BL
GN GN
YL YL RESISTOR PANEL OR AND PEDAL FILTER W G Y RESISTOR PANEL OR ON BACK OF H N L BK BK MANUAL ASSEMBLY RD RD RUN SWITCH START SWITCH R83 PEDAL FILTER R82 BN BN 1 BK R80 O O F N OFF F R86 R85 R84 R81 ON L20
BK BN YL BK OR LINE BL YL BN BK BK PANEL BN RD MATCHING XFMR T1 (LOWER MANUAL) T2 (UPPERWH MANUAL) WH
WH VI GY R87 LOWER MANUAL BL BK BK Y B (BL) 91 13 VI L N GN BL YL OR YL BN RD RD RD BN GY WHGN RD STARTING SYNC OR MOTOR GY MOTOR BK C1 BL PRESET R1 SWITCH BK R2 YL GN
UPPER MANUAL BK BK BK
8 72 15 44 27 61 485 3 86 2945327612 3 13 19 70 86 46 2 83 19 17586424 VIBRATO SCANNER 8 4 3 7 6 1 6593 5843761795387216442761585387215 4 32 76 13853 8628543276114 5 2 0 8 6 8 405 06319795164242081975739420208 6 97 53 5172 0806475313 9 YL BL BN TONE GENERATOR YL GN WH YL GN GN RD
RD R59 R46 BK BL WH YL GN Y O RB 68 FREQUENCY NUMBERS IN CONSECUTIVE ORDER 1 L R DN PEDAL SWITCH PERCUSSION SWITCH (REAR VIEW, COVER REMOVED)
VIBRATO SWITCH TERMINALS ON SCANNER TERMINAL NUMBERS DRAWBAR BASE COLOR CODE 8 7 6 5 4 3 2 8 7 6 5 4 3 2 8 7 6 5 4 3 2 GN YL YL BK BLACK BL R44 BN BROWN RD RD RED 1 1 1 1 1 9 6 1 1 1 1 9 7 5 1 1 9 8 7 6 5 OR ORANGE 8 7 6 5 2 5 4 3 1 1 0 YLGN GN BLYL BLUEYELLOW VIBRATO LINE TERMINAL NUMBERS JACK TO VIGN VIOLETGREEN AC LINE TONE CABINET GY GREY BN CONTROL PANEL WH WHITE Y Y R B B G (REAR VIEW, COVER REMOVED) B BARE GY BL BN L L D L N N GGF EC YL GN BK GN BL R Y B G BD L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 G B B K N N P D A J H Y L N B L N K M GY BK RD OUTLET BOX PREAMP VIBRATO LINE BOX Title BN WIRING DIAGRAM - HAMMOND B3 OR C3 Size Document Number REV EB Date: December 12, 1995 Sheet 1 of 1