GREEN/YELLOW
L
N
E
!
POWER_SWICH
BLACK
3
WHITE
2
4
L
!
1
+27V
-27V
-27V
SGND
SGND
+18V
+18V
-18V
-18V
1
N
CHGND
CHGND
+27V
L
N
CHGND
MUSTANG III
SMPS + AMP Schematic Diagram 1/3
MUSTANG III
SMPS + AMP Schematic Diagram 2/3
SCREW7
CN401
PIN-4
100n
100n
SCREW8
C404
C400
SGND
GND
Left
GND
Right
4
3
2
1
0R
R476
FROM PRE-AMP SECTION
VSS
C402
100n/250V
2
1
PRE
R491
*
100n
C403
1
C428
1000uF/50V
C427
1000uF/50V
L401
FERRITE BEAD
*
C436
2
4.7u/25V
R490
4.7u/25v
C435
R421
1.8K
R420
For MUS-IV/ V only
C405
100n
100n
C401
8
AC_SENSE
PRE
3
2
7
R431
3
2
1
+15V
R429
R455
C469
100n
U401-A
TL072
C468
100n
7.5K 1%
R428
3.3K 1%
VSS
VSSP
VSS
-15V
100n
C471
1
U402-A
TL072
100n
C470
470p
C440
PRE
4.7k
R459
C439
470p
VDD
1K
1k
C411
R432
R468
AC-SENSE
VDD
+8V
-15V
+15V
VSSA
VDDA
PRE
C424
150n
C423
R457
C412
150n
100n
C408
R425
3.9K
PRE
IN2M
IN2P
SGND
IN1M
PRE
N.C
VDDA
100n
VSSA
Q400
KTC3875
C410
VDDA
IN1P
FB_GND
PRE
21
22
FB_GND
19
3
2
3.9k
R471
C441
100n
R426
*
R464
FB_GND
R427
100K
R424
39K
C409
100n
R418
VSSA
TDA8950J-1
U400
R439
30K
C467
VSSP
VSSA
*
C445
47p
C459
470n
Q401
KTC3875
100R
R416
Note: 1. DO NOT STUFF THESE PARTS WITH "*"
2. SEE TABLE FOR SOME STUFFED PARTS W/O VALUE
R423
-15V
+15V
3.3K 1%
R430
6
5
VDD
4
PA_MUTE
3
-15V
+8V
2
DGND
1
GND
CN400
PIN-8
+15V
R422
7.5k
R412
10R/1W
C434
220uF/50V
C433
220uF/50V
TO PRE-AMP SECTION
C407
100n
100n
C406
8
4
Z400
18
VDD
VDD
VDD
20
5
VSS
VSSA
N.C
6
VSS
1
VDDP
VSSD
17
C418
100n
PGND
C414
100n
VDDP
7
PGND
PRE
VSSP
VSSP
C451
U402-B
TL072
R436
VDDP
C417
100n
*
C466
10
15
5
6
C419
100n
14
VDDP
PRE
10R/1W
R403
C456
15n
C455
15n
1.1K 1%
R443
C453
100p 5% X7R
VSSP
C458
R414
10R/1W
10R/1W
U401-B
TL072
10K 1%
R435
100p 5% X7R
C450
VDDP
C446
7
R413
VDD
VSSP
10R/1W
R402
R442
VDDP
R438
C457
C415 C444
100n
9
PGND
VSSP2
OUT2
BOOT2
BOOT1
OUT1
VSSP1
C416
100n
22K
R434
Z401
5.6V
PGND
1.5K 1%
R417
C454
47uF/100V
*
R463
C449
100uF/25V
10K
R419
VSS
VDDP
N.C
4
OSC
PROT
7
VSS
23
MODE
VDD
8
VDD
STAB1
12
VSS
VDD
VDD
R411
10R/1W
21uH
L405
L404
21uH
5
6
1
-15V
7
ES1D
D402
D401
ES1D
VSS
VDD
D404
ES1D
D403
ES1D
10K 1%
C429
120p
R470
C472
100n
2
3
6
5
C462
0.33u/5%
1.1k 1%
R441
C473
100n
FB_GND
C452
100p 5% X7R
22R/2W
R401
C448
100n
1.1k 1%
R440
22R/2W
C447
100n
BA4560
+15V
U405-A
BA4560
VSS
VDD
PRE
R437
10K 1%
VSS
VDD
R400
U404
LM337
0.1
R448
0.1
R479
2.2K
2.2K
R478
C463
FB_GND
0.33u/5%
C430
120p
0R
0.1
10K 0.1%
7
*
R473-B
2
10K 0.1%
R465
8
R473-A
*
R472
6
10K 0.1%
R466
10K 0.1%
*
R473-D
R475
5
R473-C
*
3
C422
100n
C461
220uF/25V
1
C421
100n
C460
220uF/25V
For MUS-IV/ V only
R447
R460A
0.1
R460
C426
0.33u/5%
R453
10R/3W
PRE
R467
10K 1%
3
200
R480
200
D406
1N4148
OUT
2
R477
D405
1N4148
OUT
ADJ
1
1
ADJ
R448A
IN
IN
U403
LM317
For MUS-III only
C425
0.33u/5%
R452
10R/3W
2
C465
47uF/50V
C464
47uF/50V
3
R474
L400
FERRITE BEAD
8
4
13
VDDP1
VDDP2
16
VDD
11
VSS
VSS
VSS
4
8
2
4
-15V
HS-2
HS-15V
Location
R421
R423
R455
R429
R457
C411
C423
R418
C451
R436
R438
R442
C444
C446
C457
C458
Z400
R472
R426
C480
C481
R449
0.1R/5W
+15V
L407
16uH
L406
16uH
MUS-III
2.7K
8.2K
OPEN
8.2K
0R
OPEN
47n
2.7K
47P
22K
0R
11K
330P
330P
330P
330P
18V
0.1 ohm/5W
1.5K
N/A
N/A
2
1
MUS-IV / V
1.8K
7.5K
4.7K
7.5K
OPEN
220n
220n
1.5K
100P
10K
10K
1.1K
470P
470P
470P
470P
30V
0 ohm
1K
220P
220P
FB_GND
FB_GND
FB_GND
FB_GND
220p
C483
220p
C482
C481
C480
R-SPK-
CN402
L-SPK-
2
1
CN403
L-SPK+
R-SPK+
1
2
8 OHM
8 OHM
MUSTANG III
SMPS + AMP Schematic Diagram 3/3
!
!
1
!
YC301
330K
330K
!
6.3A/250V
Black
N
L
White
330K
330K
F300
R301
R300
J300
CX301
*
R363
330K
R302
330K
R364
GAP
R362
GAP303
!
GAP
L310
2X10mH
330n/X1
CX300
GAP302
NTC 25deg@2.5R
TH302
YC300
GAP
GAP
L308
2X10mH
JP301
!
C350
!
C360
FB
LTV817
U302-B
!
EGND1
SCREW4
SCREW1
1
1
1
EGND
SCREW2
1
1
1
1
SCREW9
SCREW3
SCREW6
SCREW5
(R305 & R306 are not used for 100-120V units)
For 100-120V units, R303 & R304 are 36k
For 220-240V units,R303-306 are all 150k
R306
R304
R303
R305
GND
JP301 used for USA/JAPAN version only
GAP301
!
C359
15n/630V
2
GAP300
C358
15n/630V
B300
C357
15n/630V
D301
!
1N4148
3
1
1K
R344
1n
C377
!
HV
U305-A
R369
560K
15V
Z309
R368
200K
R365
200K
C378
150P
GND
4
36K
R370
C373
104
220K
R366
!
U305-B
CS
GND
FB
3
ADJ
2
1
5
6
8
C379
47uF/50V
D305
UF1K
R325
33R/1W
R324
1K/1W
C393
104
D308
1N4148
R356
2.7K
15V
SGND
AC-SENSE
Q308
KTC3875
D316
1N4148
DRV
VCC
HV
U303
NCP1271D65R2G
HV
VSEN
Q309
KTC3875
D317
MBR0520
15V
R326
1N4148
D303
GND
GND
0R
GND
2
C391
104
R374
R-HS
1N4148
D300
Z305
15V
R349
1R
C387
10uF/50V
15V
1
PTC 25deg@470R
TH301
R351
2.7K
HS301
HS-1
5.1V
Z310
1
104
C392
LTV817
U301-B
R350
R352A
Q303
KTA1504
R327
22
GND
BEAD
224
C390
!
D302
1N4148
R378
100K
R385
100K
GND
R352
Q302
D304
UF1K
C351
Q311
KTC3875
100K
R379
R377
100K
BEAD
R323
10R/1W
VSEN
YC302
680P
6.8R/1W
R381
100K
R380
100K
C361
C381
100uF/35V
R354
0R
L309
1mH
BAV21
D311
D310
BAV21
Q310
KTA1504
R329
1
DZ300
GND
C384
*
R330
*
Q312
KTC3875
R383
100R
2
FB
R328
R329A
AUX+
C356
15n/630V
2
2
1
6
5
3
1
11
12
SM310A
9
7
10
A 8
D306
YC303
680P
B
T300
EER-35
!
Note For Transformer:
A Only for M3, Shileding Foil connect to Pin 8, detail refer to Spec.
B Only for M4/5, Shileding Foil connect to Pin 6, detail refer to Spec.
AUX+
680uF/400V M4:680uF/200V
M5:1000uF/200V
C350
C360
6
4
D314
ED1004CS
D313
ED1004CS
MUS-III
MUS-IV / V
+24V
+37V
-24V
-37V
1.5 OHM
0 OHM
100n/50V
100n/100V
100n/50V
100n/100V
100n/50V
100n/100V
100n/50V
100n/100V
30V
47V
301K
220K
110K
150K
6.2K
5.23K
150p/1kV
47p/1kV
39K
150K
1000p/1kV
2200p/1kV
75K/3W
220K/3W
OPEN
220K/3W
0.22/M4, 0.15/M5
0.22
N/A
N/A
680P/Y1
1000P/Y1
680P/Y1
1000P/Y1
22 ohm
47 ohm
SPP08N80C3 SPP11N80C3
510 ohm
1K
180uH
240uH
1.5KE300A
M4:1.5KE300A
M5:1.5KE400A
680uF/400V M4:680uF/200V
M5:1000uF/200V
!
LTV817
U301-A
L2_6P
L307-C
C380
0R
C365
1n
C364
1n
51R/1W
R337
R336
51R/1W
C362
1n
C363
1n
R335
51R/1W
51R/1W
R334
1
Location
VDD
VSS
R307
C370
C371
C375
C376
Z302
R361
R338
R384
C351
R374
C361
R329
R329A
R352
R352A
YC300
YC301
R326
Q302
R350
L307
DZ300
D307
SM310A
SGND
D315
ED1004CS
5
D312
ED1004CS
R307
R345
100K
C382
220uF/25V
Z306
3V
L307-B
L307-A
C368
1000uF/50V
C366
1000uF/50V
1uF
C399
R390
12K
C371
104
C370
104
D320
1N4148
LTV817
U302-A
!
C369
1000uF/50V
C367
1000uF/50V
*
R359
C385
100n 5%
R346
1K
2K
R360
1
U304
TL431C-SF/TL432BIDBZR
Z302
C376
104
C375
104
*
C386
R361
R384
R338
Note: 1. DO NOT STUFF THESE PARTS WITH "*"
2. SEE TABLE FOR SOME STUFFED PARTS W/O VALUE
C372
104
+8V
SGND
PTC 25deg@470R
TH300
R355
100K
SGND
3
2
For Mustang V only
4
3
2
1
2
3
3
VSS
SGND
VDD
PCB Bottom Side
PCB Top Side
MUSTANG III
PCB PAMP
4
MUSTANG III
MAIN/IN/IO/USB Schematic Diagram
[1] LOUTGC140
A
47
R160
2.2
C141
C137
A
C126
CN108
8PIN2.0MMRIGHT
+15V 1
2
A
3
-15V
4
D
5
+8V
+27V 6
PA_MUTE [1] 7
AC_SENSE[1] 8
R
C132
.1
-15V
C125
.1
+15V
1
2
A
A
C172
.01
5
6
C136
220pF
1
C128
F
CN107
2P2.0MM
A
F
U105-B
7
1
2
4
C133
.1
8 U111-C
A
C131
.1
A
C174
2.2
R203
10k
62K
R202
68pF
C171
U111-A
1
2 TL072
3
4
A
C149
.1
10
C186
R260
15k
15k
A
C157
.1
15k
A
4
4560
R245
A
C161
.1
A
C123
10k
R141
4
TL072
C170
.1
4560
220pF
C189
10k
1%
R218-D
10k
1%
7
R208-B
10k
1%
R264
2.2k
D
5
U110-A
1
CW
68pF
C167
50k30A
MASTER
A
C166
.1
A
4
C175
.1
10k
A
C185
.1
10k
R140
8 U108-C
4560
A
R137
10
C182
10
C183
C115
10
20.0k
R128
1% 10.0k
R105
10.0k 1%
220pF
4
C179
.1
8 U109-C
A
A
C188
.1
22k
R175
22k
R173
R106 10.0k 1%
C103
220pF C102
U101-B
5
7
TL072 6
4560
A
R124
220pF
U101-A
3
1
TL072 2
220pF
R126 1%
-1.3V
20.0k
R127 1%
C113
A
D111
RIN [1]
C209
.1
4
C180
.1
8 U101-C
A
C190
.1
A
Q108
2N2222
[1]
U108-B
7
4560
100pF
C156
100k
R176
C110
.1
-15V
4
U108-A
1
4560
PA_MUTE
TL072
A
5
6
A
3
2
C150
100k
R172
100pF
C107
.1
R248
16k
1%
R209
A
16k
1%
R216
8 U104-C
100k
4
D
47
R183
47
R184
F
47
R179
47
+5V
C163
220pF
R226
1k
1
2
3
4
5
6
7
8
D1
-15V
C196
10
1SS355TE-17
F
-1.3V
A
CS101
D
R228
1M
1k
.01
C160
J103
J104
FTSW-4BTN
.01
C155
FTSW-2BTN
D
1
C250
10
SC10
SC2
SC1
1
1
HP_DETECT[1]
3.18v=Phones, 0.15v=Speaker.
D1
C159
.01
D1
D
C
D
F1
B
A
ENCODER
100
R115
D
F
C144
100
16V
2R2
R250
R1
SC4
+8V
R167
100k
R1
1
R240
22k
+5V
R1
D
3
NC
GND
2 A
1
PB14 [1]
VCC
5
Y 4
R1
D
C201
.1
+5V
J107
FX SEND
R1
4.7k
D
R241
8.2k
J108
FX RETURN
R242
FX RETURN
R1
U115
SN74LVC1G17
R1
C106
.01
D
FX SEND
R1
220pF
C252
PC15 [1]
C153
220pF
220pF
C116
R1
C104
.01
D
PB9 [1]
AC_FREQ [1]
[1] PC3
[1] PC13
[1] PC12
F1
C145
.1
R239
*
*
SC3
1
D
A
C266
*
U106
NCP1117DT50RKG
3
2
IN
OUT
*
R236
D
C197
*
C198
*
D
R237
*
C146
.1
+5V
C147
100
16V
3
IN
1
GND
OUT
2
U107
NCP1117DT33RKG
C148
.1
C213
.1
C139
10
+3.3V
PB1 [1]
* Note: No need to stuff
RAIL SENSE CIRCUIT
D
C200
*
R238
(rail sense)
+27V
LINE FREQ SENSE CKT for HUM REDUCTION
AC_SENSE [1]
C152
220pF
R104
100k
R1
R181
220R
C101
220pF
R1
220R
R134
R101
100k
C108
.1
R114
47k
10k
R108
R109
10k
+3.3V
+3.3V
10k
R116
R110
10k
+3.3V
S103-B
S103-A
ENCODER
FX & FW Jack Card
J113
PHONES
R1
C154
.01
C105
220pF
F
R227
+1.3V
D199
C191
220pF
A
U113-B
7
4560
U113-A
1
4560
CN106
5
6
2
3
C162
220pF
C184
.1
CN105
1
2
3
4
5
6
7
8
R180
R215
1.50k
1%
C181
.1
PC0 [1]
R210
1.50k
1%
C210
.1
R232
U109-B
7
4560
U109-A
1
4560
TL072
5
6
3
2
R
2BTFS [1]
4BTFS [1]
D
R191 100
10kB
REVERB
8 U113-C
4560
R103 10.0k 1%
CW
+15V
PA3 [1]
R102 10.0k 1%
BAT54SW
R125
C114
R107
100k
D
10.0k 1%
10.0k 1%
R
R247
R190 100
10kB
BASS
+1.3V
LING [1]
RING [1]
22
CW
R192-B
R212
10k
1%
CW
LIN [1]
PC1 [1]
C111
U110-B
7
5 TL072
6
A
1
C208
.1
U112-A
R208-A
4560
220pF
C176
10k
1%
R208-D
220
1/4W (1206)
3
2
50k30A
MASTER
68pF
C178
3 TL072
2
R205
15k
A
R192-A
10k
1%
R246
R189 100
10kB
MID
U112-B
R218-A
TL072 6
470pF
CW
R208-C
R261
15k
5
6
A
8 U110-C
7
U104-B
R194
15k
Q202
J111
C244
.0068
R265
22k
R262
22k
+5V
10k
1%
R218-B
10k
1%
7
PA2 [1]
U111-B
R218-C
-15V
R263
1M
C164
.1
C261
180pF
R286
10k
R139
10k
1
470pF
931
1%
C187
R217
C207
.1
5 TL072
6
Q200
2N4403
A
A
C199
C251
.047
CS473F
8 U105-C
R138
3.9k
A
2.2
C173 R211
2.2
R214
D
10.0k
Q201
J111
C168 R201
U104-A
3
1
TL072 2
R195
100k
C169
220pF
8 U112-C
4560
R185
100k
C165
220pF
10
C130
10
C134
C177
.022
R204
1k
A
R207
1M
To AMP board A
4560
220pF
TL072
A
10k
R206
U105-A
220pF
C135
3 4560
2
J114
AUX IN
3.3k
R154
47k
47k
C127
.0022
R157
R169
3.3k
47k
47k
R156
R153
A
.0022
R164
47k
R170
C138
.0022
3.3k
47k
3.3k
R162
R171
47k
47k
R161
R163
A
.0022
R168
A
From Power supply borad
[1] ROUT
2.2
[1] ROUTG C142
2.2
[1] LOUT C143
2.2
A1
INPUT JACK CARD
.01
C202
2P2.0MM 2P2.0MM
C129
.01
1
SC6
C288
SCREW-M3-NON-PAD
J110
CN104
D202
CN101
220pF
1
2
1SS355TE-17
R188 100
10kB
TREBLE
D201
D
D203
1SS355TE-17
CW
1SS355TE-17
PA1 [1]
D204
C206
.1
D205
1SS355TE-17
R244
1SS355TE-17
R187 100
10kB
VOLUME
8PIN2.0MMRIGHT
CW
D200
8PIN2.0MMSTR
22k
PA0 [1]
R229
C205
.1
D121
1SS355TE-17
D
C211
22
1SS355TE-17
R243
1 GND
C118
.1
D131
1SS355TE-17
S105
4
D
+3.3V
D198
BAT54SW
D
R112
10k
PB0 [1]
REVERB
S109
STOMP
S106
UTL
S104
TP101
4BTFS
[1]
3
7
22
R151
22
R147
+3.3V
TP102
BAT54SW
D197
D
NC
GND
D
3
GND
2
1
4
3
R144
D
P109
47k
R221
USBD+
USBD-
VBUS
P101
P102
+5V
[1] PC11
[1] PC10
[1] PC9
[1] PC8
D
R220
1.5k
Q104
2N4403
D116
D115
1SS355TE-17
1SS355TE-17
Q105
2N4403
+5V
A
F1
CON_LCD_TIANMA_MAIN_EGND
D
CON101
2
1
1/4W (1206)
R152
20
+5V
F
D
+3.3V
P110
D
HP_DETECT [1]
+3.3V
POWER/USB HEADER
D
R145
8.2k
D104
RED
SAVE
R178
150
+3.3V
1.5k
R219
D
R146
(OPEN)
1
1
0
1
1
N/A
(TBD)
MUSTANG V
MUSTANG IV
D105
WHITE
UTIL
D110
WHITE
REVERB
P104
R213
220
RX103
10k
AC_FREQ [1]
PC12 [1]
PC15 [1]
[1] RIN
[1] RING
[1]LOUTG
[1] LOUT
[1] PB1
[1] PA2
[1] PA0
[1] PC4
[1] PB2
[1] PB14
[1] PB11
LIN [1]
LING[1]
ROUTG [1]
ROUT[1]
PB0 [1]
PA3 [1]
PA1 [1]
PC1 [1]
PC0 [1]
PC5 [1]
PC6 [1]
PB10 [1]
PC8 [1]
PC9 [1]
PB8 [1]
[1] PC3
[1] PC7
[1] PC13
[1] PB9
PB3 [1]
PC10 [1]
[1] PB5
[1] PC11
D
*
D
*
D
P111
*
RX102
10k
*
RX104
10k
PB6
RX101
10k
+3.3V
[1] PA15
PB7
+3.3V
R182
220
D112
D103
WHITE
WHITE
TAP/ TUNER EXIT
R193
220
R200
220
*FOR M3, DO NOT STUFF RX101, RX103
*FOR M4, DO NOT STUFF RX103, RX104
*FOR M5, DO NOT STUFF RX102, RX104
0
PB6 PB7 MODEL
0
0
MUSTANG III
D
C120
.47
NC 1
NC 2
NC 3
NC 4
NC 5
6
NC 7
NC 8
9
10
NC 11
NC 12
13
14
15
16
17
18
19
NC 20
D109
WHITE
DELAY
R199
220
D107
WHITE
FX PDL
D108
WHITE
MOD
D106
WHITE
AMP
R197
220
R198
220
R196
220
(LCD data) [1]PB5
(LCD clock) [1]PB3
(LCD reg select) [1]PB2
[1] LCD_RESET
(LCD select) [1] PA15
C124
.47
NC (HCKR) NC
D
C119
.1
D101
BAT54H
+3.3V
TIAN-MA 128x64 LCD DISPLAY
[1] PB8
PB11 [1]
[1] PC7
[1]LCD_RESET
P106
C121
.1
4.7k
+5V
U116
TPD2E001
5
USB Socket
USB
GND
ID
D+
D-
VCC
P105
VCC
Y 4
PC4 [1]
PC5 [1]
PC6 [1]
U102
SN74LVC1G17
2 A
1
R111
10k
4-BUTTON FOOTSWITCH
D
74LVC2G32
U103-B
6
6
5
74LVC2G32
U103-A
2
2
1
2-BUTTON FOOTSWITCH
0
R142
R143
10k
+3.3V
D
R113
10k
D135
1SS355TE-17
DELAY
MOD
D134
1SS355TE-17
D133
1SS355TE-17
S108
D132
1SS355TE-17
S107
AMP
EXIT
D130
1SS355TE-17
S110
TAP/TUNER
S102
S101
SAVE
74LVC2G32
8
[1] PB10
[1]
2BTFS
1SS355TE-17
D114
1SS355TE-17
D113
1SS355TE-17
D102
+3.3V
R186 100
10kB
GAIN
U103-C
5
6
+3.3V
D
CON_LCD_TOP_CONTACT-20
CW
22
C212
SHL1 SHL2 SHL3 SHL4
5
PCB Bottom Side
PCB Top Side
MUSTANG III
PCB MAIN
6
IN PCB Top Side
IN PCB Bottom Side
IO PCB Bottom Side
IO PCB Top Side
USB PCB Top Side
USB PCB Bottom Side
MUSTANG III
PCB IN / IO / USB
7
MUSTANG III
DSP Schematic Diagram
8
DSP PCB Top side
DSP PCB Bottom Side
MUSTANG III
DSP PCB
9
MUSTANG III
FTSW2 Schematic Diagram
10
PCB Top Side
PCB Bottom Side
MUSTANG III
FTSW2
11
PCB
DSP Board
MAIN Board
USB Board
PAMP Board
IO Board
IN Board
MUSTANG III
Mustang III Wiring Diagram
12