C D 0091054000
8
7
6
5
4
3
2
1
REVISIONS
+479VDC
THESE CONNECTORS INTERFACE WITH
THE BASSMAN PRE-AMP PCB ASSEMBLY
(FENDER P/N 0090766000)
C223
2
PWR-AMP INPUT
3
PWR-AMP GND
133mVAC*
TP31
XLR-POST-PWR
6
7
XLR-PRE
D
2
100k
FTSW1
3
Q203
+3.9VDC
J113
+4.1VDC*
TP27
R230
1N4448
AV_PWR-AMP
TUNER
5
TUNER_GND
2
PA_GND
FTSW1
3
XLR-PRE
5
6
V4_CATHODE
BIAS_V4
BIAS_V5
R249
470
10%-5W
8
C219
R254
R251
.1
630V
1.5k
Fr22
2W
5
V4-A
6L6GC
R257
R258
.1
630V
1.5k
Fr22
2W
W+
R214
R213
6
100k
100k
10k
C208
.001
C204
220pF
-3dB@5kHz
PR1210
29-AUG-11
IDK
C
EC4945
11-NOV-11
IDK
R201
5.1k
D200
65mVAC*
TP37
TUNER_GND
P38A
WHITE
TWISTED PAIR
0091163000
8-OHM, 50W, 5%
(MOUNTED ON BOTTOM OF CHASSIS)
R287
R225
1.5k
47k
RED
R227
2.7k
1/2W
D209
100
35V
Q201
2N4403
R223
47k
+32mVDC
TP16
TP18
-14.3V
+32mVDC
TP17
25W -> 100W
TP40
+480V
V6_CATHODE
R237
2.7k
1/2W
R289
470k
V5_CATHODE
R208
68k
U201-B
7
3
D204
U201-A
1
+14.5VDC
TL072
-14.3VDC*
TP18
V6_CATHODE D205
-24V_LED
TP21-24 VARY DEPENDING ON BIAS SETTING,
TUBE GRADE & POWER MODE. TYPICAL VALUES:
(these components are on the switch PCB)
BIAS_V4
MATRIX
TP22
BIAS_V7
MATRIX
TP23
BIAS_V5
MATRIX
TP24
R241
COOL
NORMAL
WARM
-60VDC
-55VDC
-50VDC
25W
OR
-22VDC
SILENT R.
-20VDC
-18VDC
100W
R218
68k
R240
68k
-15.5VDC
+3.3VDC*
TP20
R232
100k
C238
R235
100k
68k
C243
.68
D253
1N4448
C235
+4.9VDC*
+240V
+4.2VDC**
TP28
PA_GND
C239
D252
Q205
2N4401
D214
TP18
470k
1/2W
R280
D255
220k
1W
.047
630V
C240
.022
630V
D254
1N4448
-14.3V
2
3
D
S
D258
R285
R284
220k
1W
R234
100k
+12.5VDC
C213
10
100V
C217
10
100V
+478VDC
1
Z+
+Z1
+Z2
B+_RAW
WJ208
WJ226
RED
6A4
WJ214
BLU
R283
Fr22
2W
VIO
R286
100k
1/2W
D259
+225VDC*
TP29
+478VDC
+239VDC*
TP3
D262
D261
1N5353B
16V5%
5W
G
+495VDC
PA_GND
+239VDC*
TP40
M1
FDP5N50NZ
D215
R206
C218
10
100V
B+
-16V
+16V
R211
100k
C203
.68
B+_RAW
+479VDC
TP1
(FOR ALL TP21-24)
BIAS_V6
C215
10
100V
0.0VDC
D263
GRAY
To power
supply PCB
(WJ221)
R217
5.1k
-16V
R247
P33
+16V
D202
MATRIX
TP21
R248
AV_PWR-AMP
+5.0VDC*
TP19
470k
PA_GND
D206
V4_CATHODE
Q204
2N4403
100k
R207
100k
TL072
6
C
PA_GND
V7_CATHODE
1N4448
R233
PA_GND
+14.5V
100W
68k
R209
TP14-17 DEPEND ON BIAS SETTING:
COOL
= +23mVDC
NORMAL = +32mVDC
WARM = +40mVDC
(FOR ALL TP14-17)
D216
GREEN
25W
+5V.
+16V
2.2k
~ 150msec
~
D217
AMBER
TUBE SHORT
-16V
68k
1N4448
5
V7_CATHODE
D219
RED
-76.8VDC
TP13
D212
R221
V5_CATHODE
+5V.
+16V
Q210
2N4401
R228
1.3k
FULL-POWER_MODE
2
+32mVDC
TP15
GDIG.
Q209
2N4401
Q206
2N4401
R224
2.7k
1/2W
P23
SILENT RECORD
1N4448
Q202
2N4403
470k
+14.5V
25W MODE: ADJUST INPUT SIGNAL LEVEL TO VERIFY:
23W (13.56Vrms) AT <5.0% THD INTO 8 OHMS.
23W (9.59Vrms) AT <5.0% THD INTO 4 OHMS.
23W (6.78Vrms) AT <5.0% THD INTO 2 OHMS.
WHITE/BLACK
D218
C211
D201
47k
V4_CATHODE D203
WJ206
P38B
DRTY_GND
1.5k
+32mVDC
TP14
BLACK
C-_RAW
PA_GND
TP40
100W MODE: ADJUST INPUT SIGNAL LEVEL TO VERIFY:
100W (28.28Vrms) AT <5.0% THD INTO 8 OHMS.
100W (20.00Vrms) AT <5.0% THD INTO 4 OHMS.
100W (14.14Vrms) AT <5.0% THD INTO 2 OHMS.
WJ205
0.0VAC
0.0VAC*
0.93VAC**
TP35
OUTPUT-POWER SWITCH
-24V_RAW
+240V
UNIT AT RATED LINE VOLTAGE,
1Vrms, 100Hz SINEWAVE INPUT AT PWR AMP IN JACK,
IMPEDANCE SWITCH SET TO MATCH RESISTIVE LOAD
CONNECTED TO MAIN SPKR JACK (J8).
J9
P/N 0021956000
EXT. SPEAKER JACK
SPEAKER JACKS ARE ELECTRICALLY
INSULATED FROM THE CHASSIS
S200-A
S200-B
R226
2.7k
1/2W
R210
~ 4msec
~
OUTPUT POWER TEST:
EXT SPEAKER
100W
3
RIBBON CABLE
P/N 0077624000
R220
220k
+480V
TWISTED PAIR
FEEDBACK
R203
R219
WHITE/BLACK
BLACK
SILENT RECORD
+16V
100W -> 25W
WJ200
100k
D210
1N4448
TYPICAL WAVEFORMS FOR "OUTPUT POWER" SWITCHING
(WITH STANDBY SWITCH IN "ON" POSITION)
1N5366B
47V5%
PA_GND
PA_GND
C
D220
Fr22
2W
R236
D223
R3000
100k
C200
.047
FULL-POWER_MODE
1N4448
Q200
J113
R244
25W
1.90VAC
TUNER
69mVAC
D221
1N5366B
47V5%
J8
P/N 0021550000
MAIN SPEAKER JACK
4
V5-A
6L6GC
0.93VAC*
TP36
PA_GND
P31
OUTPUT TRANSFORMER
P/N 0091053000
PA_GND
68k
R200
5.1k
WHITE
BRN
R255
470
10%-5W
D
MAIN SPEAKER
WJ202
S201-A S201-B
BLU
R202
3
C207
.0033
PA_GND
GND_T
(FROM P106A on pre-amp tube PCB)
F201
T100mA
F202
T100mA
R205
1.3k
5W
CHOKE
C242
.022
630V
D265
P25
P/N 0036486000
P20
ORN
ORN
P22
Y+
W+
+465VDC
TP4
WJ218
WJ219
2D
+300VDC
TP5
R216
1.3k
5W
GDIG.
B
BLK
2
1
BLK
C241
220
285V
RT1
C60-11
F200
F8A
BLK
L
WJ225
P3
BLACK
GRN/YEL
5
N
WHT
RED/YEL
C236
P10
.1
250VAC
POWER
SWITCH
6. AC AND DC VOLTAGES ARE READ WITH RESPECT TO GROUND (CHASSIS) WITH A DVM UNDER THE FOLLOWING CONDITIONS:
BLK/GRN
WHITE
NC
AUTOMATIC BIAS SET TO 'NORMAL' (GREEN) SETTING.
ALL PCBS INSTALLED IN CHASSIS AND INTERCONNECTED WITH BASSMAN PREAMP PCB ASSY (0090766000)
2
5
1
4
NC
NO INPUT SIGNAL FOR TESTPOINTS TP1-29, AND TP38-39.
FOR TESTPOINTS TP30-TP36, CONNECT A 100mVrms 1kHz SINE-WAVE SIGNAL TO POWER AMP INPUT (J7 ON 0090766000)
TESTPOINTS WITH MULTIPLE VALUES ARE GIVEN FOR DIFFERENT SETTINGS OF THE 'OUTPUT POWER' SWITCH (S200):
OUTPUT POWER SET TO 100W
*OUTPUT POWER SET TO 25W OR SILENT RECORD (NOT VALID FOR SILENT RECORD WHEN SEPARATE **VALUES ARE GIVEN)
**OUTPUT POWER SET TO SILENT RECORD
P21
W202
D233
PA_GND
ORANGE
P15
GREEN
P32
R276
WJ223
D232
WHT/BLK
RED
D235
D264
P27
P7
REAR VIEW
+239VDC
POWER SUPPLY WIRING FOR 120V UNIT
4. ALL DIODES ARE 1N4006
TRANSFORMER PRIMARY-SIDE WIRING CONFIGURATIONS FOR ALL VOLTAGES ARE SHOWN IN THE MATRIX
TRANSFORMER SECONDARY-SIDE WIRING IS THE SAME FOR ALL VOLTAGE CONFIGURATIONS
BRN/YEL
BROWN
110V-120V 50/60Hz
WHT
P16
P9
P7
WHT/BLK
P12
BLK/RED
P10
BLK/YEL
P2
BLK/GRN
P6
P3
BLK
VIO
WHT/BLK
WHT
220-230V 50/60Hz
BLK
BLK/GRN
BLK
BLK/RED
BLK/RED BLK/GRN
BLK/YEL
BLK/YEL
WHT
VIO
WHT/BLK
VIO
P13
F4
F2
1A
1A
IN
1
P19
1N4003
D241
D242
1N4003
WJ209
OUT
7815
3
GND
+23.7VDC
TP6
1N4003
D240
R278
100
1/2W
+16V
+24V_RAW
C229
1000
35V
2U204
C228
22
PS_GND
+15.7VDC
TP8
C209
.1
C201
.1
D238
1N4003
R281
100
1/2W
8 U200-C
W201
D237
1N4448
C230
1000
35V
-24.1VDC
TP7
1U203
GND
DRTY_GND
7915
2
IN
F8A L 250V
+5V
7805
U202
IN
1N4003
D229
1N4003
D230
D228
1N4003
D231
1N4003
WHT
WHT/BLK
BLK/RED
BLK/GRN
BLK/YEL
BLK
VIO
C227
22
C224
1000
16V
C222
22
3.2VAC
TP39
7
6
5.0VDC
TP11
7
2
V5-B
6L6GC
7
HEATER-B
MUSICAL INSTRUMENTS
Corona, CA U.S.A.
TRANSMITTED TO OTHERS WITHOUT AUTHORIZ-
10k
T close = 70°C
T open = 55°C
+9.5VDC
TP12
R288
(NORMAL)
RED
WJ217
BLK
1
5%
C244
100
35V
P40
C231
100
35V
TITLE:
CHECKED BY:
DATE:
RED
APPROVED BY:
BLK
SIZE
DATE:
ME80251V2
(0091147000)
DRTY_GND
ATION FROM FENDER MUSICAL INSTRUMENTS.
(WHEN AMP IS HOT)
12VDC FAN
GDIG.
4
2
V4-B
6L6GC
R
INSTRUMENTS AND IS SUBMITTED TO YOU IN
+0VDC
R222
DRTY_GND
5
7
A PROPRIETARY NATURE TO FENDER MUSICAL
DRAWN: I.KOTHRADE
ENGR: I.KOTHRADE
DATABASE FILE: Z1210S.SCH
8
2
V6-B
6L6GC
CONFIDENCE AND SHALL NOT BE DISCLOSED OR
D207
1N5341B
6.2V5%
WJ216
W210
7
A
THERMOSTAT
+16V
W203
F4A L 250V
2
V7-B
6L6GC
C202
.1
+5V.
3
2
5
9
WHITE
THIS DOCUMENT CONTAINS INFORMATION OF
W204
GND
WJ211
3
OUT
1
4
PA_GND
C210
.1
OUT
-24V_RAW
+9.8VDC
TP10
F5
-15.7VDC
TP9
4
V3-C
12AT7
WHITE/BLACK
TWISTED PAIR
8 U201-C
PA_GND
LV_GND
BLACK
P24
P37
D236
1N4448
GDIG
240V 50/60Hz
PS_GND2
3.2VAC
TP38
P11
MAINS FUSE
(F200)
F4A L 250V
STANDOFFS
(ST9 & V4 socket)
PA_GND
HEATER-A
CS2
F8A L 250V
C206
22
500V
P26
WJ220
PS_GND
1A
100V 50/60Hz
C214
22
500V
W209
4
P21
B
W205
P1
P18
BLUE
R212
Fr22k
2W
D243
R279
Fr62k
2W
D251
1N4003
BLUE
POWER TRANSFORMER
P/N 0091052000
CONNECTIONS FOR TRANSFORMER (0091052000) PRIMARY WIRES
YEL
BLACK
1. ALL RESISTORS IN OHMS, 5%; 1/4W.
NOTES: (UNLESS OTHERWISE NOTED)
D245
BROWN
NC
R204
Fr22k
2W
C205
22
500V
WJ215
D244
1N5366B
47V
+242VDC*
TP2
P8
NC
C225
47
350V
R268
220k
1W
D248
D246
1N5366B
47V
D260
1N5353B
16V5%
5W
TO P33
R277
470k
1/2W
C234
D250
15A
WJ221
GRAY
R272
220k
1W
3S
D256
BLACK
P9
D247
C232
47
350V
10k
D249
C226
100
100V C-_RAW
F3
GREEN
Q211
MPSW42
D234
C233
WHITE
P16
VOLTAGES MAY VARY BY +/-20%.
INPUT POWER
TYPE
C237
220
285V
ORANGE
BLK/YEL
UP
4-OHM RESISTIVE LOAD CONNECTED AT MAIN SPKR JACK J8, SPEAKER IMPEDANCE SWITCH SET TO 4-OHM
2. ALL UNPOLARIZED CAPACITORS IN uF, 10% OR BETTER; 50V MINIMUM.
(POWER SUPPLY BYPASS CAPACITORS ARE 20%).
4
P17
P14
P2
P6
UNIT AT RATED LINE VOLTAGE
3. ALL POLARIZED CAPACITORS IN uF, 20%; 50V MINIMUM.
5
M2
FDP5N50NZ
1N5246B
16V5%
RED
WJ224
TYPICAL DPST TOGGLE
ON/OFF SWITCH
5. THIS SCHEMATIC IS FOR PCB FABRICATION P/N 0091055000 AND PCB ASSEMBLY P/N 0091056000.
1
4
7. LAST USED REFERENCE DESIGNATORS: C244, D265, F202, J9, M2, P108, Q211, R289, RT1, S201, U204, V7, W212, WJ226, TP40
TP35 & TP36 ARE NOT MEASURED WITH RESPECT TO GROUND, BUT BETWEEN THE TWO POINTS SHOWN AT EACH TESTPOINT.
2
D257
1N5246B
16V5%
R282
100k
1W
RED
STANDBY
SWITCH
RED
BLK/RED
8. TP12: NORMALLY 0VDC (FAN IS OFF). HOWEVER, IF THE AMPLIFIER GETS HOT ENOUGH, THE FAN WILL TURN ON AND TP12 = 9.5VDC
UNUSED REFERENCE DESIGNATORS: D1-D199, D208, D213, D239, F1, F6-F199, J1-J7, P4, P5, P39, P41-P104, Q1-Q199,
R1-R199, R275, S1-S199, U1-U199, V1-V2, W1-W200, WJ1-WJ199, WJ204
1
G
WJ222
VIOLET
-t
P12
A
IDK
B
2-ohms
P30
BLK
P34
5
3.70VAC
1.35VAC*
TP33
WJ207
RED
1W
8
C220
3
+239VDC*
TP25
FEEDBACK
2
5
6
15-APR-11
1.90VAC
0.93VAC*
0.00VAC**
TP34
4-ohms
D224
R259
220k
4
+479VDC
3
-16V
DESCRIPTION
LOAD IMPEDANCE SWITCH
8-ohms
P29
4
2
W207
D222
XLR-POST (PRE-AMP)
R215
8
WHT
V5_CATHODE
ORN
BLU
2
4
APPROVED
PR1210
P28
GRN
B+
+Z2
R256
Fp1
WJ201
1W
R252
220k
XLR-POST-PWR
P106B
1
DATE
A
BLU
PA_GND
C-_RAW
R260
10M
ORN
W206
(FROM P105A on pre-amp tube PCB)
+16V
WJ213
R250
Fp1
WJ203
5
P35
R262
Fp1
1W
R265
10M
+Z1
PA_GND
C-_RAW
R253
10M
PRE-AMP_OUT
U200-B
7
TL072
R261
470
10%-5W
GRN/YEL
V3-A
12AT7
R239
24k
U200-A
1
TL072
8
W208
4
PA_GND
Fr22
2W
D225
P36
PA_GND
-16V
1.5k
R264
220k
4
5
V6_CATHODE
R269
Fp1
1W
R274
10M
1
2
.1
630V
R263
3
BIAS_V6
R242
100k
1/2W
3
R238
1.3k
FTSW2
R267
470
10%-5W
D226
R3000
R266
PA_GND
R243
100k
1/2W
R229
150
-16V
P105B
1
8
C216
100pF
1kV
Q207
2N4401
6
Fr22
2W
D227
V7_CATHODE
Y+
Q208
2N4401
5.1k
C212
.047
4
+16V
1.5k
R271
220k
C221
4
5
BIAS_V7
D211
R231
R270
8
(FROM P107B on rear PCB)
FTSW2
R273
V6-A
6L6GC
1.35VAC*
TP32
3
V3-B
12AT7
R246
6.8k
GND_T
P107A
1
.1
630V
330mVAC
R245
10k
5
6
REV.
BLU
3.70VAC
PRE-AMP_OUT
4
WJ210
BLU
V7-A
6L6GC
330mVAC
TP30
(FROM P108B on rear PCB)
P108A
1
WJ212
+239VDC*
TP26
3
2
RED/BLACK
TWISTED PAIR
D
SERVICE DIAGRAM, COMBINED
BASSMAN 100T
POWER AMP PCB ASSY
(schematic)
DRAWING NUMBER
REV.
0091054000
RELEASE DATE: 15-APR-11
1
SHEET: 1 OF 2
C
14-JUN-11
6/14/11
14-JUN-11
6/14/11
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