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C17 TO
680PF 24-90PF "VOLUME"
R4 C2 TABLET
39PF RADIO-PHONO
1.8M
E F
EXPRESSION C22
CONTROL
R5 R9 C6 C15 C16
30PF 51PF .033 C23 C24
10M 820K C18 C20 G
145V 60PF/SEC 140V T3
220PF 220PF TONE
NON-VIB 12AX7A 12AX7A .033 TO TONE
V1 82PF R40 BN
CHANNEL R6 1 V4A 6 V4B 6 CABINET
INPUT A R29
47K 6AU6A R37 .3M V3B
C5 2 330K 7 R36 270K 7 12BH7A
R34 G
.01 R30 R32 330K
100PF 1 15M R39
R3 C3 R10 R27 3 8 8
3.9M 1.8M 1.8M R35 12V
270K 5 130V 1.8M +280 330K +290
3.3M
7 R31 R33 +280 R41
R38 1200 C26
68K 68K 100K
+1.7 (V2) +1.7V (V2) 390K R42 30/25
62 R8
470K
+1.7 (V2) INPUT FROM
C4 R7 VIBRATO SCANNER D C19 C21 C25
INPUT FROM .0022 .001 .001
MATCHING XFMRS +280 C
THRU VIBRATO .33 2.2M OUTPUT TO
TABLETS VIBRATO LINE
4.7M C7 C11 1.0
T7 TO HTRS R97
R13 24PF .0047 335V
"BL" +205
C13 C35 R63 4500
150PF 390K R98
10M R15 R18 C35 R63 C60 7500
R14 2.7M 10M 12BH7A R25 390PF 390K 50/300
C33 117VAC
V3A 1 C34 +290
100 .0033 +37
VIBRATO 60 HZ 1 4 R94
CHANNEL 47K 2 .001 C34 R62 900
INPUT B 6 3
R16 .001 220K R91 R99
V2 7 375V 4.7K 180
3 +290 +280
100PF 1 6AU6A
C12 C33 "GY" V8
270K C8 R62 R95 R96 +33
R12 .0047 C32 100K .0022 6X4 C56
5 R21 390PF 40/450
7 R22 4.7K 4.7K R100 R101
1M
820 2.7K 2.7K
R19 C57 C58 C56
62 470K THESE COMPONENTS GO BETWEEN 40/400 30/350 10/350
95V POINTS "P" AND "D" IN AO-28-1
+1.7V AMPLIFIERS (WITH NO CODE
R20
30/25 2.2M LETTER ONLY) INSTEAD OF
R17 R23 R24 THOSE SHOWN AT LEFT
C9 1.2K 22K 22K
TOP VIEW
C10
.33 +280 T5
P C56 C9,C26
12AU7A T3 C59,C60
(* SEE NOTE) C57
V7A 1 T4
C28 C58
R48 R52 * R61 SELECT FOR
T5 2 CHANNEL BALANCE T1
39K (MOUNTED ON "P" TERMINAL) EXPRES-
470K V5 47K SION
.047
6C4 R53 * * 3 T6
1 C32 T6 CONTROL
C31 47K
R47 .0082 V3 V7
T4 6 +205 .33 +33 V8 V4 V1 V2 V6 V5
+205
47K C29
H 7 R60
100PF R54 * +37 8 30K
PERCUSSION 47K
CHANNEL 7 PERCUSSION
INPUT C30 CUTOFF
R49 V7B GY BL BN G G F E C P D A B L N K M J H
2.2K 6 R58
V6 12AU7A
25/25 4.7M
6C4 N
R50 1 R57 TO SIDE VIEW
7 PERCUSSSION
J L SWITCH
R55
TO 22 6 1.5M NOTE:
82K
PERCUSSION
SWITCH M R52,R53,R54,C32 IN MODEL B3, C3, RT3
R51
25V AO-28-1 AMPLIFIERS
K (WITH NO CODE LETTER ONLY)
R56 Title
4.7K
+33 PREAMPLIFIER TYPE AO-28
22K Size Document Number REV
B --- --- --- 1.0
Date: April 20, 1995 Sheet 1 of 1
VIBRATO
GREAT OFF SOFT VOLUME
T1 TYPICAL GROUP OF LOWER PEDAL TYPICAL GROUP OF UPPER R4 C2 R9
MATCHING (GREAT) MANUAL DRAWBARS DRAWBARS (SWELL) MANUAL DRAWBARS T2 ON R10 - SELECT AT TEST NORMAL
TRANSFORMER MATCHING TO BALANCE CHANNELS
(LOWER AND PEDAL) TRANSFORMER VIBRATO 1.8M 820K
39PF
UPPER SWELL OFF R10
C17 E F
R5 3.9M
R29 680PF 24-90PF C24
ON 145V
R2 10M +280V RADIO-PHONO
C5
C1 A V1 .01 330K 82PF
C22
1M 470PF R6 6AU6
130V C8 EXPRESSION C23
C16 R37
100PF 1 5 30PF CONTROL .033 270K
47K C15 .033
R8 60PF/SEC 140V R39 G
R3 C3 470K 285V T3
C18 C20 12AX7A TONE
R1 270K 7 51PF V3B
3.9M 1 220PF 220PF 6 V4B 330K
R40 6 12BH7A BN
R28 V4A
6 R36 R38
62 2 12AX7 7 300K
2 3 5 390K
R7 330K 7
270K G
60V
+1.7V 3 R30 R32 R34 8
(FROM V2) 2.2M R27 R35 8 +290V
15M
C4 +280V 1.8M 3.3M
1.8M 1.8M +280V 12V
.33 R41
+1.7V
(FROM V2) +1.7V 100K 1200
(FROM V2) C26
B C7
R13 R31 R33 R42 30/25
C11
68K 68K
4.7M 24PF
C25
.0047
.001
R14 R15 R25
C19 C21
+290V
LOWER MANUAL BUSBARS UPPER MANUAL .0022 .001
PRESET PANEL 10M 2.7M 100
8 6 V3B
V2 C12
7 R16 12BH7
6 6AU6 130V 7
5 1 5
4 470K
.0047 C13
3 C8 8
2 R12 .0001 100V
1 270K 7 R21 D
0 R19 1M 1.0
470K R22
LOWER MANUAL 62 C
820
PRESET PANEL R17 R20
1.2K 2.2M PERCUSSION
UPPER MANUAL C9 60V 95V SIGNAL
BUSBARS 30/25
C10 +280V R23 R24
6
2 3 .33 22K 22K
+1.7V VIBRATO
(TO V1,V4)
5 SWITCH
(GEN 49-91)
CLOSED CLOSED CLOSED CLOSED
91
IN V1,V2,V3 IN V1/C1 IN V2/C2 IN V3/C3
C35
C34 150PF
R44
22K SCANNER
.001
R63
200V R62 C32
V7A 390K
100K 390PF C33
12AU7 1 .0033
C28
R48 T5
T4 2
1 H
PERCUSSION 470K V5 +37V
.047
R47 6C4 3 T6
OFF 1 +205
7
4 47K 6 +205 C31
(GEN 44-48) ON THIRD
C29
44 R61
7 33K
.33 8
SECOND 100PF
85V
7
C30
R49 V7B
2.2K 6 +33V 3 5 7
12AU7 1 2 4 6 8 9 10 11 12 13 14 15 16 17 18
25/25 200V
R58 L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 L13 L14 L15 L16 L17 L18
PERCUSSION R60
J R50
CUTOFF 30K
4.7M
22 R65 R67 R69 R71 R73 R75
R57 L
(GEN 1-43) V6 27K
6C4 56K 39K 33K 18K 12K
1 1.5M