Fender Rumble-30 Schematic
5678 4 3 2 1
R E V I S I O N S
DESCRIPTION DATE APPROVEDREV.
PR 849A
100Hz
100mVAC
TP1
J1
INPUT 1
D D
J2
INPUT 2
R2
68k
R1
1M
R3
68k
+16V
D1
D2
-16V
C
B
TYPICAL POWER
ON/OFF SWITCH
UP
2A
1A
L
N
REAR VIEW
BLACK
GRN/YEL
WHITE
4B
3B
1A
INPUT VOLTAGE
100-120V
220-240V
4B3B
2A
POWER
SWITCH
FUSE RATING
BLACK
WHITE
F1 VALUE
F1A L 250V
F500mA L 250V
F1
P1
275VAC
P2
C64
.1
U1-B
5
TL074
6
R5
33k
R4
10k
C1
22
INPUT VOLTAGE
BLACK
P3
WHITE
P4
*215mV, INPUT AT J2
430mVAC
TP2
C2
7
22
R6
22k
POWER TRANSFORMER
100V
120V
220-240V
YELLOW
RED
RED
R7
22k
LABEL
066-RB30J
066-RB30U
066-RB30E
250k15A
VOLUME
9
10
+
D
-
SPKR
BI
CV
TL074
10
16
C13
10pF
R78
27k
R25
U1-C
+16V
9
BO
LM13700
C33
22
+8.50VDC
CW
8
U3-B
+33V
-33V
TP24
VOL AT 50%
230mVAC
203mVAC
TP11
12
R65
1k
R66
27k
D10D11D12D13
1
SPKR
TP6
C14
.0033
R28
6.8k
C17
R27
10k
R29
18k
C15
1
R75
1.5k
C16
.22
1
C32
22
R64
1k
P6 PW6
R30
8.2k
R31
1.8k
R61
33k
C31
100pF
U1-A
TL074
R67
27k
PA BREAKAWAY A
C35.1C36
+13.5VDC
TP23
D9
5
U3-A
LM13700
R26
22k
MUTE
STBY
R76
8.2k
-16V
R77
27k
C18
.0068
.0068
R58
33k
R59
33k
R60
2
33k
3
+33VA
13
2
TDA7294
3
MUTEA
15
STBYA
GA
.1
GND
+0.6VDC
TP21
3
7
+
8
BI
2
BO
D
CV
4
-
1
R74
33k
-0.6VDC
TP22
12
13
R33
750k
R32
330k
-33VA
R93
3.3k
C34
22
50V
6
U6-A
14
+33V
R70
33k
D7
R71
10k
R72
10k
D8
R73
33k
-33V
151mVAC
TP7
U2-D
C19
14
TL074
1
R34
100k
R94
2.2k
OUTPUT POWER
8ohm RESISTIVE LOAD CONNECTED AT P7-P8
UNIT AT RATED LINE VOLTAGE
ADJUST SINEWAVE INPUT SIGNAL AT
100Hz 1kHz
FREQ
30W (15.49Vrms)
LIMITER ON
ENABLE S1 OUT
<0.2% THD
34W (16.49Vrms)
LIMITER OFF
ENABLE S1 IN
0.12% THD
+33V
D5
1N4003
R68
D6
Fr2.7
1N4003
2W
C37
.1
63V
-33V
SPKR
R69
10k
S1-C
ENABLE
S1-D
ENABLE
R35
2.2k
WHITE
BLACK
SPKR
-16V
R85
1.5k
CW
50kB
BASS
CW
50kB
CW
50kB
TREBLE
AUX IN J3 TO VERIFY:
5.46VAC
TP12
P7
SPKR+
P8
SPKR-
RED
D14
RED
DRIVE
BLK
C63
.001
R36
R37
MID
R38
29.7W (15.42Vrms)
0.06% THD
33.7W (16.42Vrms)
0.10% THD
C20
560pF
.0068
R39
2.2k
R41
100k
C21
R40
150k
U2-A
2
1
TL074
3
C23
.22
C24
.22
+16V
148mVAC
TONES AT 50%
TP8
C22
22
J3
R
AUX IN
464mVAC
TP9
U4-A
4560
R54
47
464mVAC
TP10
U5-A
4560
R55
47
+16V
R23
10M
C26
220pF
C43
.047
L
R56
1
47
R57
1
47
C29
220pF
D17
D18
R90
1k
MUTE
STBY
PA BREAKAWAY A
MUTEA
STBYA
10
9
C30
220pF
MUTE
TDA7294
STBY
1
J4
HEADPHONES
MAX HP OUTPUT, Vo = 2.99Vrms
280mW @ 0.1% THD INTO 32ohms (MIN) PER CHANNEL
BOTH CHANNELS DRIVEN, 100Hz
+33VA
7
U6-B
8
4
-33VA
GA
R42
R43
R50
68k
4560
R51
68k
C27
100pF
R52
68k
4560
R53
68k
C28
100pF
22k
U4-B
U5-B
+4.85VDC
D
S
TP27
7
7
G
Q2
Q-2N7000
C25
220pF
3
2
3
2
22k
R44
15k
R45
5
30k
6
R46
10k
R47
30k
R48
5
15k
6
R49
10k
*~0VDC PLUG CONNECTED
R86
15k
R87
6.8k
AT HEADPHONES J4
R88
15k
D15
R89
330
C44
47
R21
C8
.0015
TP26
2.2k
S1-B
C12
414mVAC
TP5
U2-C
10
8
TL074
9
U2-B
6
7
TL074
5
Q1
MPSA63
R84
100k
-16V
ENABLE
C11
22
R22
22k
C9
22
475mVAC
TP4
R16
22k
R82
1.5k
0VDC
TP25
R81
4.7k
R83
6.8k
R24
68k
22
ENABLE (S1) IN
GAIN AT 50%
R62
10k
14
R63
15
100
13
R80
R79
27k
27k
C411C401C391C38
U1-D
12
14
TL074
13
C4
470pF
R10
CW
R11
4.7k
250k15A
GAIN
D3
C5
RED
22
D4
RED
R8
3.3k
C3
.47
S1-A
ENABLE
R9
1M
TO P5
1
R17
1.5k
ENABLE (S1) IN
BLEND AT 50%
C10
R18
10kB
CW
1
BLEND
R20
100k
R19
4.7k
1.87VAC
ENABLE (S1) IN
GAIN AT 50%
TP3
R12
22k
R13
7.5k
C7
.033
R14
R15
5.6k
5.6k
C6
.012
-15.6VDC
C42
470pF
06-AUG-09
POWER XFMR
dBL
C
B
+33V
TP15
D21
TP16
+30.4VDC
TP17
R95
75
1W
SPKR
C49
47
50V
R91
47
CS1
C50
47
50V
R96
75
1W
-30.4VDC
TP18
C47
2200
40V
C48
2200
40V
-33V
C51
.1
C52
.1
U7
IN OUT
123
7815
ADJ
1
GND
7915
2 3
OUTIN
U8
D25
D23
D24
D26
+16V
-16V
+15.6VDC
TP19
C53
22
C54
22
-15.6VDC
TP20
TL074
C55
.1
4
U1-E
11
C56
.1
TL074
C57
.1
4
U2-E
11
LM13700
C58
.1
11U3-C
6
C59
.1
8
8
U4-C
4560
U5-C
4
4560
4
C60
.1
R92
1.5k
C61
.1
RED
D27
RED
POWER
C62
.1
BLK
7. AC AND DC VOLTAGES ARE READ TO GROUND WITH A DVM UNDER
THE FOLLOWING CONDITIONS:
UNIT AT RATED LINE VOLTAGE
8 OHM RESISTIVE LOAD AT P7-P8
NO INPUT SIGNAL FOR TP13-27
100mVRMS, 100Hz SINEWAVE INPUT SIGNAL AT J1
ALL CONTROLS AT 12 O'CLOCK (50% ROTATION)
ENABLE SWITCH S1 OUT (OFF), EXCEPT FOR TP3-TP5
VOLTAGES MAY VARY BY +/-20%
6. LAST REFERENCE DESIGNATORS: C64, D27, F1, J4, P8, PW6, Q2,
R96, S1, U8. NOT USED: D16
5. THIS SCHEMATIC IS FOR PCB FABRICATION P/N 849KKI010 AND
PCB ASSEMBLY P/N 848KKI009.
4. ALL DIODES ARE 1N4448.
3. ALL POLARIZED CAPACITORS IN uF, 20%; 16V MINIMUM.
2. ALL UNPOLARIZED CAPACITORS IN uF, 10% OR BETTER; 50V MINIMUM.
(POWER SUPPLY BYPASS CAPACITORS ARE 20%).
1. ALL RESISTORS IN OHMS, 5%; 1/4W.
(UNLESS OTHERWISE NOTED)NOTES:
THIS DOCUMENT CONTAINS INFORMATION OF
A PROPRIETARY NATURE TO FENDER MUSICAL
INSTRUMENTS AND IS SUBMITTED TO YOU IN
CONFIDENCE AND SHALL NOT BE DISCLOSED OR
TRANSMITTED TO OTHERS WITHOUT AUTHORIZ-
ATION FROM FENDER MUSICAL INSTRUMENTS.
CHECKED BY:
DATE:
APPROVED BY:
DATE:
DATABASE FILE: Z849S.SCH
ENGR: D. LEWISDRAWN: D. LEWIS 849KKI011
R
MUSICAL INSTRUMENTS
Corona, CA U.S.A.
TITLE:
SERVICE DIAGRAM, COMBINED
SIZE DRAWING NUMBER REV.
RUMBLE 30
BASS AMPLIFIER
(schematic)
D
RELEASE DATE: 06-AUG-09
SHEET: 1 OF 2
A
A
D19
1N4003
X 4
D20 D22
+33.6VDC
-33.6VDC
25.7VAC
TP13
A
P5
25.7VAC
TP14
C45
.1
63V
C46
.1
63V
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