Fender 3959 Bassman LTD 59 Bassman LTD Schematics

Fender 3959 Bassman LTD Manual

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  • Fender 3959 Bassman LTD | 59 Bassman LTD Schematics - Page 1
    Corona, CA USA APPROVED. DATE. 4- (93 OR DISCLOSE0 IN ANY MANNER ITHOUT THE EXPRESSED WRITTEN CONSENT FROM FENDER MUSICAL INSTRUMENTS CORPORATION. TITLE. SERVICE DIAG, COMBINED 59 BASSMAN LTD. A TOLERA CES...70,3m'E X.X Wo.050T SIZE DRAWN. WILKENS DRAWING NUMBER REV. x.xx X.XXX J0.010
  • Fender 3959 Bassman LTD | 59 Bassman LTD Schematics - Page 2
    C16 CI7 -(R36 C19 =mom= CPI Is, CP6 CP28 CP11 mmmw CP9 CP2I C15 mmmm CP13 ==== CP31 CP29 CP30 CP7 - CP19 R35 FILM/DWG SERVICE DIAGRAM DATABASEIZ605P.DBF DATE' 07-AUG-*w LAYERS PLOTTED' 1 2 3 q 10 18 NOTES: 1).0-7.O IS ON Vq, PIN 3. 2).(TP3) IS AT THE GREEN LEAD OF THE OUTPUT
  • 1
  • 2
8
7
6
5
3
2
1
C
—P.
B
A
2
JI
1kHZ
SINE
2
co
1
LINE
CORD
J3
SIB
8Kn
7025
2
2
8Kn
5
68Kn
R6
1Mn
CI
220pF25V
+1.96
TP15
.022pF
400V
XF1
6
+246
TP2
V1B
.„R8
*100Kn
'Ay
R9
%100Kn
AW
CPI
C2
.022μF
400V
C3
r
VOL
NORMAL
1Mn
LIN
VOL
BRIGHT
1Mn
LIN
TH1
C60-11
5A
CONTROL
PCB
R10
r
-X-
-I
212
1
270K
I
100Kn.
W
L__x_
1
R11
C4
10
E---
0pF
1kV
CP6
BLK
WHT
NOTES:
1).
ALL
RESISTORS
ui
WATT
CARBON
FILM
UNLESS
OTHERWISE
NOTED.
A
ul,,
LINE
FUSE
IS
3A
IN
100V
AND
120V
L
.
MODELS,
F1.6A
IN
230V
AND
240V
MODELS.
3).
ALL
VOTAGES
MEASURED
TO
GROUND
USING
A
DVM
OF
AT
LEAST
1Mn
INPUT
IMPEDANCE
UNDER
THE
FOLLOWING
CONDITIONS.
ALL
CONTROLS
SET
TO
50%
ROTATION
(
-
06
-
).
VOLTAGES
MEASURED
AFTER
5
MINUTE
WARMUP.
VOLTAGES
MEASURED
WITH
BIAS
SET
AS
PER
NOTE
8.
DC
VOLTAGES
MEASURED
WITH
NO
SIGNAL
PRESENT.
VOLTAGES
MAY
VARY
+/-
20%.
Ak
MEASURED
WITH
AN
OSCILLOSCOPE
L
.
USING
A
X10
PROBE.
5).
X.
WIRE
CONNECTION.
6).
TEN
-DIGIT
NUMBERS
ARE
FENDER
PART
NUMBERS.
7).
INSTANCES
NOT
USED.
CI4
CP3
CP4
CP8
CP12
CP14
CP16
CP20
CP26
CP27
Ak
BIAS
ADJUSTMENT
-
NO
SIGNAL
APPLIED,
WITH
RATED
LINE
VOLTAGE
AT
T2
POWER
TRANSFORMER
PRIMARY.
AFTER
5
MINUTE
WARMUP.
SET
BIAS
ADJUST
POT
R49
TO
OBTAIN
A
READING
OF
+60mV
AT
TP19.
VOLTAGE
SHOWN
AT
TP14
IS
FOR
REFERENCE
ONLY.
CP6
6
CP29
CP2
CP7
N
C
-3
CP5
CP30
NC
C
.1.4%)
TP17
V2A
T2
YEL
<
C
P9
YEL
CP10
<4
RED
CP11
RED/YEL
4
CP13
REO
CP15
4
RED/
BLU
CP17
GRN
CP18
+216
TP4
11.5V
TP4
61
V2B
B
CONTROL
PCB
C5
250pF
1kV
R17
100K.
TREB
250Kn
LIN
Lx__
I
C6
I
.1pF
400V
R16
100Kn
1W
CR3
BYD33V
CR4
BYD33V
XF2
@IAA
F2
T6.3A
EXPORT
TRANSFORMER
PRIMARY
WIRING
DIAGRAM.
100V
50/60Hz
230V
50/60Hz
240V
50/60Hz
CP6
CP6
CP6
CP28
CP5
CP5
CP2
CP28
CP28
CP29 CP29 CP29
SIB
CP30 CP30
CP30
SIB
CP2
CP7
CP2
SIB
R18
BASS
1Mn
AUD
C7
m
.022pF
400V
R22
19
R20
MID
25Kn
LIN
+280
TP6
Lg&
C
30.4;)
TP6
6.60VOrpk
TP5
C8
.022pF
400V
R21
6.8Kn
1W
C9
1pF
25ov
t4225
3.50WkTk
TP20
+38.3
Cl?
.1pF
630V
6L6GC
V4
Rffi
GRN
.SW
X
47n
,R28
*82Kn
"Ay
R29
V.00Kn
Yzw
TP18
R3I
IN4003
R30
20Kn
20Kn
N7
CRI
Fpin
R48
2
5
IF
X
n
GRN
V5
6L6GC
3
2 7
YELX
YELX
7
R23
25Kn
LIN
L
VIOLET
72
I
I
_./.
-
/-
BLK/RED.
-
-
\\_
3
BLK/GRN
I
ALTERNATE
EXPORT
POWER
TRANSFORMER
BLK/YELR
I
0049179000
I
WHITE
PRES
C10
25C
1
1N4003
IF242
47n
, ` -
R43
LAW
47n
,`
+274
TP9
(30.4D
TP9
1
R
8Kn
40
v
XVI
XV2
XV3
XV5
BLK/WHT
CP30
AND
CP5
FOR
UNUSED
\_>
BLACK
PRIMARY
WIRECS)
AS
RECI'D.
R27
27Kn
B+
STANDBY
CP23
CP21
/
0
,›
53
P22
CP21
LI
CP25
1,
:
//
-
+476
TP10
C15
.04PF
1
-
630V
CP31
LA1
T47
270kn
270kn
3
BRN
REVISIONS
ZONE
REV.
DESCRIPTION
DATE
APPROVED
A
RELEASED
EC
2972
07
-AUG
-03
T
x
GRAY
XORN
R32
*470n
IW
FP
A
RED
+60mV
R33
TPI9
*470n
IW
FP
XORN
+430
TP12
(C
8.537)
TP8
/
15
0036486000
4.
CP33
CP34
1W
n
FP
CAPACITOR
PCB
+
C16
100pF
350V
,CI7
100pF
350V
R34
20K
W
R35
20K
W
47
,C18
350V
,C19
47pF
350V
R36
I
20KI
AW
I
R37
I
20K1
AW
I
I
J
C
-
R49
25KmB
BIAS
ADJ.
41
36Kn
7
7
XV4
CP32
I
n
1W
FP
,C20
22pF
500V
,C21
22pF
500V
,
22p
C24
F
500V
P3
P4
SPKR1
SPKR2
SPKR3
SPKR4
OUTPUT
TEST.
45
WATTS
MIN.
R.M.S.
INTO
2n
RESISTIVE
LOAD
AT
5%
T.H.D.,
1kHz.
MEASURED
UNDER
THE
FOLLOWING
CONDITIONS.
LINE
AT
RATED
VOLTAGE.
41mV
SINE
INPUT
AT
TPI.
PRESENCE
AND
VOL.
BRIGHT
CONTROLS
FULL
CCW
C
-
I").
ALL
OTHER
CONTROLS
AT
50%
ROTATION
C
-
6A").
DATABASE
FILE.
Z605S.DBF
-?›
CHECKED
BY.
DATE.72.*
APPROVED.
DATE.
4-
PROPRIETARY
(93
TOLERA
CES...70,3m
'E
X.X
Wo.050T
x.xx
J0.010
-
X.XXX
i0.005"
ANGLES
*0.509°
THIS
DRAWINS
OOORIONT
CONTAINS
INFORMATION
WHICH
IS
PROPRIETARY
TO
AND
IS
THE
PROPERTY
OF
THE
TOMER
MUSICAL
INSTRUMENTS
CO.
ARO
MAY
NOT
SE
USED.
REPRODUCED
OR
DISCLOSE0
IN
ANY
MANNER
ITHOUT
THE
EXPRESSED
WRITTEN
CONSENT
FROM
FENDER
MUSICAL
INSTRUMENTS
CORPORATION.
MUSICAL
INSTRUMENTS
Corona,
CA
USA
TITLE.
SERVICE
DIAG,
COMBINED
59
BASSMAN
LTD.
SIZE
NEXT
HIGHER
ASSEMBLY.
DRAWN.
WILKENS
ENGR.
WILKENS
DRAWING
NUMBER
0063760000
REV.
A
CREATED
.
24
—JUN
-03
C
B
A
SCALE
NONE
pLOTTco.07—AUG—Am
SHEET
I
OF
2
8
7
6
5
t
1+
3
2
1