Transcript
A
TO PERCUSSION SWITCH K
J
T4
+1.7V
B
PERCUSSION CHANNEL INPUT
H
VIBRATO CHANNEL INPUT
R3 270K
R6 47K
22
R50
47K
R47
470K
R48
4.7K
C29
25/25
C30
100PF
6
.047
R19 470K
+205
T5
C12 .0047
R18 10M
R10 3.9M
C6 30PF
3
100
R25
+290
R24 22K
95V
R22 820
1
47K
R52 *
25V
6
V6 6C4
R54 * 47K
1
R53 * 47K
2
12AU7A V7A
R55 82K
7
8
22K
R56 +33
R62 220K
R63 390K
C21 .001
R33 68K
R34 15M
60PF/SEC
"GY"
60 HZ
117VAC
"BL"
1.5M
R57
R58 4.7M
R61 39K
P
8
T7
M
L
N
R60 30K PERCUSSION CUTOFF
TO PERCUSSSION SWITCH
+33
SELECT FOR CHANNEL BALANCE (MOUNTED ON "P" TERMINAL)
T1
GY BL BN
V8 6X4
3 7
4
82PF
C24
G
G
F
V8
E
C56 40/450
900 R91
F
C56 C57 C58
375V
TO HTRS
R38 390K
330K
R39
R37 270K
E
TO "VOLUME" TABLET
R52,R53,R54,C32 IN AO-28-1 AMPLIFIERS (WITH NO CODE LETTER ONLY)
NOTE:
6
1
.033
C23
R36 330K
+280
12AX7A 6 V4B
140V
C22
24-90PF
+1.7V (V2)
R35 3.3M
7
THESE COMPONENTS GO BETWEEN POINTS "P" AND "D" IN AO-28-1 AMPLIFIERS (WITH NO CODE LETTER ONLY) INSTEAD OF THOSE SHOWN AT LEFT
C33 .0022
C34 .001
C35 390PF
C19 .0022
R31 68K
1.8M
R32
C17 680PF
EXPRESSION CONTROL
RADIO-PHONO
C20 220PF
T6
R62 100K
C33 .0033
R63 390K
1.8M
R30
C18 220PF
+205
1
V7B 6 12AU7A
+37
3
C32 390PF
.001
C34
150PF
C35
C
D
* C32 .0082
C13
1.0
R29 330K
C16 .033
+280
OUTPUT TO VIBRATO LINE
INPUT FROM VIBRATO SCANNER
C31 .33
7
3
145V 12AX7A 1 V4A
+1.7 (V2)
R27 1.8M
2
C15 51PF
(* SEE NOTE)
22K
R23
1M
R21
2
12BH7A V3A
C11 .0047
+280
R8 470K
V5 6C4
R49 2.2K
7
1
R20 2.2M
C10 .33
62
5
C5 .01
R9 820K
130V
+280
2.2M
R7
5
6AU6A
V2
62
C28
1
R17 1.2K
7
100PF C8
R51
C9
.33
C4
R15 2.7M
C7 24PF
7
1
V1 6AU6A
100PF C3
C2 39PF
30/25
270K R12
47K R16
10M R14
4.7M R13
+1.7 (V2)
INPUT FROM MATCHING XFMRS THRU VIBRATO TABLETS
NON-VIB CHANNEL INPUT
R5 10M
R4 1.8M
C57
4.7K
R95
D
CONTROL
EXPRESSION
A
B
V1
L
N
V2
K
V6
M
J
V5
R100 2.7K
H
V7
T5
T6
T4
+33
+37
+205
REV 1.0 1
TO TONE CABINET
R101 2.7K
R99 180
MODEL B3, C3, RT3
V4
C9,C26 C59,C60
C56 10/350
+280
C60 50/300
R98 7500
G
BN
G
PREAMPLIFIER TYPE AO-28 Size Document Number B --- --- --Date: April 20, 1995 Sheet 1 of
Title
SIDE VIEW
P
4.7K
R96
4500
R97
T3
+290 C26 30/25
V3B 12BH7A
C58 30/350
+290
TOP VIEW
V3
12V
6
1200 R42
8
4.7K
R94
40/400
T3
C
7
335V
C25 .001
R41 100K
R40 .3M
TONE
