Fender BASSBREAKER 007 Combo, Service Manual

Page: 14 / 16

02-JUL-15
RELEASE DATE: 02-JUL-15
A
A
DATABASE FILE: Z3032S.SCH SHEET: 1 OF 3
(POWER SUPPLY BYPASS CAPACITORS ARE 20%).
PCB ASSEMBLY P/N 7706164000 (COMBO) & 7708153000 (HEAD)
5. THIS SCHEMATIC IS FOR PCB FABRICATION P/N 7706169000 AND
7706211000
ENGR: GIT'LO DRAWN: GIT'LO
S M M
PR3032/3033
MAIN PCB
BASSBREAKER 007
3. ALL POLARIZED CAPACITORS IN uF, 20%; 50V MINIMUM.
(schematic) TITLE:
REV. DRAWING NUMBER SIZE
(UNLESS OTHERWISE NOTED)
NOTES:
1. ALL RESISTORS IN OHMS, 5%; 1/4W.
2. ALL UNPOLARIZED CAPACITORS IN uF, 10% OR BETTER; 50V MINIMUM.
B
R
INSTRUMENTS AND IS SUBMITTED TO YOU IN
CONFIDENCE AND SHALL NOT BE DISCLOSED OR
TRANSMITTED TO OTHERS WITHOUT AUTHORIZ-
ATION FROM FENDER MUSICAL INSTRUMENTS.
THIS DOCUMENT CONTAINS INFORMATION OF
A PROPRIETARY NATURE TO FENDER MUSICAL
R E V I S I O N S
DESCRIPTION REV. DATE APPROVED
CHECKED BY:
APPROVED BY:
DATE:
DATE:
SERVICE DIAGRAM, COMBINED
4. ALL DIODES ARE 1N4448.
MUSICAL INSTRUMENTS
Corona, CA U.S.A.
SWITCH
POWER
n
n n
n
L
N
8 OHMS
D3-6: 1N4006
C4-6,10: 8200pF, 1kV
WHT/BRN
TCO: 139C
BLACK
WHITE
BLACK
WHITE
GREEN/YEL
-
+
T1
F1
6. R20,21,31 & C20,23 NOT INSTALLED.
6
6
6
6
6
BLK
WHT
RED
RED
GRN
GRN
BRN
BRN
FOR 230/240V - SPARE TERMINATION FOR EXTRA WIRE
BLU
GRN
RED
BLK
GRI
WHT
BLK (SEE TABLE 1 - SHEET 2)
P35,P36 INSTALLED. JMP5 NOT INSTALLED.
JMP5 INSTALLED. P35,P36 NOT INSTALLED.
7
POWER
ON
7. FOR COMBO:
FOR HEAD:
8. ALL VOLTAGES MEASURED WITH RESPECT TO SP:GROUND USING
A DVM WITH AT LEAST 1MEG AC INPUT IMPEDANCE AND 10MEG DC INPUT
IMPEDANCE. VOLTAGES MAY VARY +/- 20%.
TEST CONDITIONS:
8 OHM RESISTIVE LOAD CONNECTED AT SPKR OUT (J3).
PANEL CONTROL SETTINGS: GAIN @ 12:00, ALL OTHER CONTROLS AT MAX (FULLY CW)
DC TESTS (TP1 TO TP15,TP26) - NO SIGNAL APPLIED
AC TESTS (TP16 TO TP23): 5MILLIVOLT, 1kHz SINUSOIDAL SIGNAL APPLIED TO INPUT (J5)
9. TREBLE BOOST SWITCH OUT EXCEPT FOR TESTS AT TP22, TP24, TP25
IN/OUT:
IN (CLIPPED):
OUT (SINE):
TREBLE BOOST
10. LINE OUT TEST (TP23) - INSTALL OPEN 1/4 INCH PLUG IN J2
10. 9.
T2
PRIMARY WIRING - 220V - 240V
120V: P/N 7706160000
100V: P/N 7706162000
OT: P/N 7706163000
*(100V: VIO)*
PRIMARY WIRING - 100V* - 120V:
SEE SHEET 2 FOR
105C
1
2
3
V1-A
12AX7A
6
7
8
V1-B
12AX7A
4
5
9
V
1
-C
1
2
3
V2-A
12AX7A
6
7
8
V2-B
12AX7A
7
9
2
3
V3-A
EL84
4
5
V3-B
J5
INPUT
R50
1M
R39
10k
R45
3.3k
R15
330k
1W
C19
.0022
400V
R53
220k
CW
R56
250k15A
GAIN
R49
100k
R26
100k
R25
1.2k
R32
100k
1W
C22
47
16V
C24
.01
400V
R35
470k
C29
470pF
R41
220k
R24
68k
R14
100k
1W
R43
1.2k
C30
47
16V
CW
R59
250k30A
TREBLE
CW
R57
1M5A
BASS
CW
R58
25k10A
MID
C35
.047
400V
C36
.022
400V
C32
330pF
1kV
R48
47k
R54
270k
C34
.0068
R55
100k
CW
R60
250k15A
VOLUME
C33
.01
R23
10k
R30
100k
1W
R36
1.2k
C21
.0022
400V
R19
8.2k
R29
240
5W
C26
47
R16
Fr270
2W
C27
.15
R44
100k
R34
15k
C15
47
450V C11
22
450V
C12
22
450V
C13
22
450V
R13
Fp1k
1W
R11
Fp4.7k
1W
R12
Fp4.7k
1W
D6 D5
D4 D3
P6
P23
P22
D7
1N4006
D8
1N4006
D9
1N4006
D10
1N4006
OUT IN
GND
1
2 3
U2
7915
D2
1N4006
R10
Fr22
2W
C16
2200
35V
C8
10
P10
P14
4
5
9
V
2
-C
R9
Fr22
2W
R21
1M
1/2W
R20
1M
1/2W
R31
6.8k
1/2W
C20
1
250V
C23
1
250V
J3
SPKR OUT
C25
.68
R22
2.2M
R18
220k
C9
10
C14
2200
35V
D1
1N4006
GND
IN OUT
1
2
3
U1
7815
D
S
G
Q3
J113
C6 C10
C4
C5
P12
P5
P8
P7
C7
.1
250VAC
P9
P18
P19
R38
10M
R17
1M
C18
.22
400V
R37
1M
R6
4.7k
R5
100
J2
LINE OUT
JMP3
WJ21
BLK
WJ8
BLK
WJ14
ORG
WJ17
RED
WJ13
YLW
WJ15
GRN
WJ9
RED
WJ10
ORG
WJ11
YLW
WJ12
GRN
WJ19
BLK
WJ16
BLK
WJ20
GREY
C28
.68
WJ7
BLK
WJ6
BLK
WJ18
OPEN
P4
P3
R40
100 1/2W
R33 100
1/2W
P27
P25
P21
P28
P29
P17
P20 P30
P31
P16
JMP1
R28
100k
D
S
G
Q2
J113
R27
10M
F3
2A
F4
1A
F2
1A
C17
.1
C1
220pF
C2
220pF
D11
1N5363B
30V5%
P11 P15
JMP2
JMP4
JMP5
1
2
R100
1.2k
1/2W
WJ1
RED
WJ2
BLK
P33
P34
P35
P36
P32
P37
P13
TP1
322.5VDC
TP2
315VDC
TP3
298VDC
TP4
286VDC
TP5
+22.7VDC
TP6
-22.8VDC
TP7
+15.4VDC
TP8
-15.8VDC
TP9
+12.0VDC
TP10
-12.4VDC
TP11
+1.3VDC
TP12
+1.3VDC
TP13
+1.2VDC
TP14
+1.3VDC
TP15
+10.9VDC
TP16
6.8VAC
TP17
5mVAC
TP18
130mVAC
TP19
10mVAC
TP20
5.3VAC
TP21
320mVAC
TP22A
3.175VAC
TP23
66mVAC
TP22B
6.5VAC
TP26
+314VDC
B+1 B+2
B+3
B+4
B+4_TPCB B+4_TPCB
B+4_TPCB
B+3_TPCB
B+2_TPCB
B+1_TPCB
-15.6V
+15.6V
INST_INPUT V1A_GRID
V
1
A
_
PL
A
T
E
GAIN_IN
GAIN_OUT
V1B_GRID
V2A_PLATE
TONE_IN
VOL_OUT
V2B_GRID
GNDA_1
GNDA_2
GNDA_3
GNDA_3
GNDA_4
GNDA_4
GNDA_4
GNDA_4
GNDA_5 GNDA_5 GNDA_5
GNDA_B1_TPCB
GNDA_B3_TPCB
GNDA_B3_TPCB
GNDA_B1
GNDA_B3
GNDA_B4
GNDA_LV
GNDA_LV
GNDA_2
GNDA_4
TBOOST_ENA_TPCBA
GNDCH_SPK
GNDCH_SPK
GNDCH_IN
GNDA_B3_TPCB
+15.6V
-15.6V
GNDA_LV
+15.6V_RP
-15.6V_RP
GNDA_RP
GNDA_B1_TPCB
GNDA_LV
G
N
D
A
_
B
1
GNDA_LV
+15.6V