Page 1
Power supply and Meters
Power supply and Meters.Sch
54321
6
D
C
Mic/Inst. Input Section
Input.Sch
Tube and Analog Ouptut
tube and output.sch
D
C
B
215 Tremont St.
A
Title
MPA GOLD block diagram
MPA GOLD block diagram
Number RevisionSize
B
Date: 22-Jul-2003 Sheet of
File: \\Server\d\products\210\210Pv103.Ddb Drawn By:
1 2 3 4 56
210P-3001-103 A
210P-3001-103 A
215 Tremont St.
Rochester, N.Y. 14608
Rochester, N.Y. 14608
04
04
Mitch Milton
Mitch Milton
B
A
Page 2
PL100
PLUG-AC
D
C
Left Dig. Level
Right Dig. Level
B
NOTE:
Values shown for 211.
For 210+, change the following:
stuff R142,R143 with 0 Ohm Jumpers
delete R145,147
A
Stuff LED4,4a, 12,12a with BLUE LEDs instead
of Orange
SW100
L
G
N
SW-DPST
SWG100
SWAGE-GND
R141 open
R139
10K
5
6
R116
39K
U103C
10
9
TL074
D113
1N4148
R138
39K
R144
open
Right Tube Meter
1 2 3 4 56
F100
FUSE
Left Tube Meter
U103B
7
TL074
D115
1N4148
R140
10K
8
D120
1N4148
R117
330 Ohm
D121
1N4148
R126
330 Ohm
0dB = +4dBu
METER-VU-LIT
C118
U104A
1
NJM2058
D125
C119
.33uF
U104D
14
NJM2058
SK109
SK110
L1
L2
SK111
SK112
14
14
6
SK108
-+
215 Tremont St.
215 Tremont St.
Rochester, N.Y. 14608
Rochester, N.Y. 14608
Mitch Milton
Mitch Milton
P108
(OPEN)
R103
4.7K
0dB = +4dBu
M2
VU
METER-VU-LIT
D
TAB.250
C
B
-+
A
54321
D106
AC-1
D108
1N4003
R123
LED_0
LED_1
LED_2
LED_3
LED_4
LED_5
LED_6
LED_7
1N4003
D104
1N4003
D105
1N4003
D107
1N4003
D102
1N4003
D100
1N4003
1N4003
D101
D103
1N4003
1N4003
100uF/100V
2.0K
D109
C105
U100
HS100
1
In
C113
2200uF/16V
D110
1N4003
1N4003
C106
100uF/100V
Q101
2N4403
2.0K
Q102
2N4403
R132
R133
R135
R134
R127
R128
R129
R130
C100
1000uF/35V
C101
1000uF/35V
C103
1000uF/35V
+5V
3
Out
Gnd
uA7805
HEATSINK #100-5204-104
2
-15 raw
C107
100uF/100V
C109
D112
1N4003
1N4003
+5V
JP100A1JP101A
10
330 Ohm
330 Ohm
330 Ohm
330 Ohm
330 Ohm
330 Ohm
100uF/100V
D114
R131
10 Ohms
1
2
9
8
7
6
5
4
3
C110
100uF/100V
D111
330 Ohm
330 Ohm
C102
1000uF/35V
R104
10K
C111
100uF/100V
+150V
C124
2200uF/16V
2
10
9
8
7
6
5
4
3
HEATSINK #100-5204-106
1
In
HS103
1
U102
uA7915
2
Gnd
In
HS102
HEATSINK #100-5204-104
C112
100uF/100V
-15V
Right Output Meter
-30
-20
-12
-10
3
Out
R105
10K
R112
2.0K
R113
2.0K
Right Tube Meter
LED16
Orange
LED17
Orange
LED18
Orange
LED19
Orange
LED20
-8
Orange
-6
LED21
Orange
LED22
-3
Orange
LED23
0
Red
Out
Gnd
U105
uA7812
2
C126
22uF/25V
Q100
TIP112
Left Tube Meter
D116
1N5261B
Left Output Meter
LED5
Orange LED
LED11
Orange LED
R142 0 Ohms
3
+12V
22uF/25V
-15V
+48V
R145 open
R148 7.5K
C125
Orange LED
P100
TR100
Blue
3
1
6
4
SW101A
SW-DPDT
SW101B
SW-DPDT
2
3
C120
.15uF
13
12
2
5
U103D
TL074
C121
.15uF
Grey
Brown
XFMR-2IN-UP
-15V
U103A
4 11
+15V
1
TL074
14
SK100
Red-1
SK101
Red/Yel
SK102
Red-2Vio
SK103
Grn-1
SK104
Grn-2
R124
510 Ohms
R136 510 Ohms
R137 510 Ohms
TAB-FASTON
P101
TAB-FASTON
P102
TAB-FASTON
P103
TAB-FASTON
P104
TAB-FASTON
100uF/100V
R125
510 Ohms
Left A/D
Right A/D
LED mux
R122
1K
AC-2
C104
C108
100uF/100V
+5M
R114
R115
1K
CH1 CH2
1
C123
1000uF/35V
+5V
C150
.1uF
R147 open
R143 0 Ohms
R146 7.5K
LED5A
LED11a
Orange LED
LED24
Orange
LED25
Orange
LED26
Orange
LED27
Orange
LED28
Orange
LED29
Orange
LED30
Orange
LED31
Red
In
3
1
6
4
6
4
3
1
3
Out
U101
uA7815
Gnd
HS101
2
HEATSINK #100-5204-104
C151
.1uF
-15 raw
2
SW5A
SW-DPDT
SW5B
5
SW-DPDT
5
SW11B
SW-DPDT
SW11A
2
SW-DPDT
22uF/25V
+15V
C127
22uF/25V
1
U106
uA7915
2
Gnd
Out
R106
10K
R109
10K
3
HS104
In
HEATSINK #100-5204-104
C114
22uF/25V
C115
P105
SK105
TAB.250
P106
TAB.250
P107
TAB.250
R108
1K
R111
1K
SK106
-15 lights
1N4148
6
5
1N4148
9
10
Title
B
Date: 22-Jul-2003 Sheet of
File: \\Server\d\products\210\210Pv103.Ddb Drawn By:
R100
27 Ohm/1W
2.0K
R107
10K
D117
U104B
R110
10K
D123
U104C
Power supply and Meters
Power supply and Meters
D118
7
1N4148
NJM2058
2.0K
D124
8
1N4148
NJM2058
-15 lights
Number RevisionSize
R101
27 Ohm/1W
210P-3001-103 PS A
210P-3001-103 PS A
13
12
L1
L2
2
3
M1
SK107
R102
4.7K
D119
(OPEN)
R120 100KR118
-15V
4 11
R121 100KR119
P109
TAB.250
P110
TAB.250
P111
TAB.250
P112
TAB.250
VU
.33uF
+15V
Page 3
D
C
B
A
LED2a
Orange LED
R200
2.0K
JP200E
JP202E
R217
10 Ohm
Right
Phantom
Power
LED14a
Orange LED
R230
2.0K
JP201E
JP203E
R248
10 Ohm
Left
Phantom
Power
5
5
150 Ohms
R231
6.8K
5
5
150 Ohms
LED2
Orange LED
R201
6.8K
6
6
R216
LED14
Orange LED
R232
6.8K
6
JP203F
6
R247
Right Input
Impedance
54321
Q201
2N4403
R221
510 Ohm
Q217
2N4403
Q215
2N4403
Q221
2N4401
R252
510 Ohm
+15A
510 Ohm
R235
510 Ohm
Q216
2N4403
R205
Q202
2N4403
R206
10 Ohms
Q204
2N4403
Q205
2N4401
R236
10 Ohms
R207
2.0K
R208
10K
VR1A
5K DUAL/"C" TAPER
R222
510 Ohm
Q207
2N4403
2N4403
Q206
2N4401
R223
510 Ohm
R237
2.0K
R238
10K
VR4A
5K DUAL/"C" TAPER
R253
510 Ohm
Q223
2N4403
2N4403
Q222
2N4401
R254
510 Ohm
Input
Level
+15A
R224
510 Ohm
Q208
+15B
R255
510 Ohm
Q224
Q209
2N4401
R225
510 Ohm
Q225
2N4401
R256
510 Ohm
C202
2200uF/16v
Q210
2N4403
Q218
2N4403
Q211
2N4401
R226
510 Ohm
510 Ohm
Q219
2N4403
Q227
2N4403
Q226
2N4401
R257
510 Ohm
R209
510 Ohm
Q203
2N4403
Q212
2N4403
R239
C214
2200uF/16v
R210
R227
Q213
2N4403
Q220
2N4403
2
3
2
3
R240
2.49K
R241
2.49K
+15A
C223
100pF
8 4
+15B
2.49K
2.49K
C211
100pF
U200A
8 4
U201A
Left
Instrument
Input
1
NE5532
Right
Instrument
Input
1
NE5532
R228
4.99K
R258
4.99K
JK1
J-CLIF-GND
JK2
R229
4.99K
6
5
J-CLIF-GND
R259
4.99K
U201B
6
5
5
4
3
2
1
0
U200B
JP200J
JP202J
NE5532
5
4
3
2
1
0
JP201J
JP203J
NE5532
3
2
3
2
R246
3.3K
+15V
84
OPA-2134
-15V
C201
33pF
R215
3.3K
HPF
VR7
10K/"C" taper
330 Ohms
+15V
84
OPA-2134
-15V
C213
33pF
U202A
1
R333
U203A
1
C203
R212
1K
.1uF
R211
1M
C205
33pF
C204
3
JP200C
JP202C
3
R242
1M
3
JP201C
JP203C
3
R243
1K
2200uF/16v
JP202B
C217
33pF
C216
1
1
JP203A
10
10
7
C215
.1uF
10
10
7
D203
1N4148
D202
R213
5.1M
2
JP200B
VR1B
2
D209
D208
R244
5.1M
2200uF/16V
JP201A
VR4B
5K DUAL/"C" TAPER
Title
Mic/Inst. Input sections
Mic/Inst. Input sections
B
Date: 22-Jul-2003 Sheet of
File: \\Server\d\products\210\210Pv103.Ddb Drawn By:
-15V
1N4148
R214
15 Ohms
1
JP200A
JP202A
1
5K DUAL/"C" TAPER
1N4148
-15V
1N4148
R245
15 Ohms
2
JP201B
JP203B
2
Number RevisionSize
210P-3001-103 Inputs A
210P-3001-103 Inputs A
JP202H
D200
1N4148
J200
M3
M2
L-OUT-
L-OUT+
GND-L
(From tube and output sch.)
D204
1N4003
JP200I
9
-15A
+15B
8
JP203H
D206
1N4148
J201
M2
R-OUT+
(From tube and output sch.)
D210
1N4003
-15B
8
9
JP202I
D201
1N4148
D205
1N4003
D207
1N4148
D211
1N4003
C226
22uF/25V
C227
22uF/25V
C228
22uF/25V
C229
22uF/25V
Q200
2N4403
Q214
2N4403
-15V
SW2A
SW-DPDT
Left
Mic/line
Input
1
FG
JP206B
2
JP204B
C206
0.001uF
C207
0.001uF
C209
100uF/100V
C208
0.001uF
-15V
Right
Mic/line
Input
F3F2F1
FG
2
C218
0.001uF
C219
0.001uf
C221
100uF/100V
C220
0.001uf
+15V
+48V
F3F2F1
2
+15V
+48V
3
JP207C
3
JP205C
20K
Left Output
3
M1
JP206C
3
JP204C
R219
20K
C210
100uF/100V
-15V
8
JP201H
Right Output
M3
M1
MG
GND-R
R-OUT-
R250
C222
100uF/100V
R251
20K
-15V
JP201I9JP203I
JP200H
8
MG
R220
20K
9
SW2B
SW-DPDT
5
2
R203
330 Ohm
C200
100uF/100V
R202
6.8K
JP204A
JP200F
JP202F
R218
10 Ohm
Left Input
Impedance
VR2A
5K dual "A" taper
7
JP200G
4
JP200D
SW14B
5
2
R233
330 Ohm
C212
100uF/100V
JP205A
1
JP201F
R249
10 Ohm
VR5A
5K dual "A" taper
7
JP201G
4
JP201D4JP203D
1 2 3 4 56
1
JP207A
JP205B
VR5B
R204
47K
JP206A
JP202G
JP202D
R234
47K
1
JP207B
JP203G
6
4
3
1
7
4
6
4
SW-DPDT
3
1 SW14A
SW-DPDT
2
7
6
C224
2.2uF/50V
5
6
5
6
C225
2.2uF/50V
VR10
10K/"C" taper
R357
330 Ohms
215 Tremont St.
215 Tremont St.
Rochester, N.Y. 14608
Rochester, N.Y. 14608
24
24
Mitch Milton
Mitch Milton
LEFT MIC-PRE
U202B
7
OPA-2134
RIGHT MIC-PRE
U203B
OPA-2134
HPF
D
C
7
B
A
Page 4
+15V
+150V
D
LEFT MIC-PRE
C
+150V
B
RIGHT MIC-PRE
A
1N4003
D308
3
1 SW4A
R312
1M
R302 100 Ohms
R300
3.0K
LED1a
Orange LED
LED1
Orange LED
3
1
1N4148
R345 100 Ohms
R343
3.0K
LED13a
Orange LED
LED13
Orange LED
+15V
84
U305A
NE5532
-15V
JP205F
6
GND-R
5
4
JP205D
6
1
JP206F
6
5
JP206E
GND
4
JP206D
JP207F
6
JP207E
5
4
GND
JP207D
215 Tremont St.
215 Tremont St.
Rochester, N.Y. 14608
Rochester, N.Y. 14608
A
34
34
3
Mitch Milton
Mitch Milton
L-OUT+
C309
100pF
C313
100pF
L-OUT-
J302
5
4
3
2
1
0
J-CLIF-gnd
GND-L
R-OUT+
C324
100pF
C327
100pF
R-OUT-
J305
5
4
3
2
1
0
J-CLIFF-GND
D
C
B
A
54321
JP204I
2
Left Output
Level
10K/"A" taper
3
JP302C
JP207G
5
4
3
JP207H
2
1
JP207I
GND-R
0
GND
SW15A
SW-DPDT
10K/"C" taper
SW15B
SW-DPDT
4
LED15a
Orange LED
LED15
Orange LED
JP204G
7
8
JP204H
9
5
JP205G
JP205H
JP205I
2
JP303C
JP301C
R318
1K
JP300E
VR3
7
8
9
JP301E
5
VR6
3
3
Left Tube Output
Left Tube Meter
5
JP302E
JP302D
4
5
6
R335
20K
3
JP300C
Right Tube Output
R319
1K
5
JP303E
JP303D
4
C329
22uF/25V
5
6
R362
20K
Left Output Meter
JP300D
4
C328
22uF/25V
U305B
7
NE5532
Right Tube Meter
Right Output
Level
JP301D
4
U306B
NE5532
Right Output Meter
+15V
84
3
2
U306A
NE5532
-15V
R320
10K
R336
10K
7
R321
1K
R337
10K
R365
10K
1
R366
1K
R367
10K
R322
30K
C307
10pF monobloc
-15V
2
3
6
5
U302A
1
NE5532
R324
47 Ohms
8 4
+15V
R323
C330 10pF
2
3
3K
R339
30K
U302B
NE5532
R338
C321
10pF monobloc
-15V
U304A
NE5532
7
R340
47 Ohms
R341
30K
30K
1
R370
47 Ohms
8 4
R369
+15V
3K
C331 10pF
R368
30K
U304B
6
5
NE5532
R379
10K
Title
B
Date: 22-Jul-2003 Sheet of
File: \\Server\d\products\210\210Pv103.Ddb Drawn By:
7
R381
47 Ohms
R380
30K
Number RevisionSize
210P-3001-103 analog outA
210P-3001-103 analog outA
C308
220uF/6.3V
C312
220uF/6.3V
C322
220uF/6.3V
C323
220uF/6.3V
3
2
R325
10K
R342
10K
JP204F
6
JP204E
5
4
JP204D
R372
10K
JP205E
R371
10K
C300
Q304
BF423
Q305
2N4401
-15V
7
R363
240K
Q311
Q312
2N4401
-15V
7
R364
240K
10K
R308
+12V
R352
10K
+12V
100uF/250V
High Voltage
Switch
BF423
5
SW-DPDT
R306
10K
R350
10K
Q303
BF423
Q310
BF423
R307
10K
6
V300B
12AX7
8
5
Q306
2N4401
R330
4.7K
-15V
100uF/250V
C314
R351
10K
6
V301B
12AX7
8
5
Q313
2N4401
R376
4.7K
-15V
BF423
22uF/25V
12AX7
2
R327
10K
Q316
2N4401
D311
1N4003
BF423
22uF/25V
12AX7
2
R374
10K
Q317
2N4401
R303
10K
Q300
C301
V300A
220uF/6.3V
R346
10K
Q307
C315
V301A
220uF/6.3V
2
2
5
Q319
BF423
2
5
D309
1N4003
D305
D304
1N4148
1N4148
Q318
BF423
3
1
SW1A
R301
330 Ohm
6
SW1B
4
SW-DPDT
+20dB gain
Switch
R326
2.0K
-15V
D310
+15V
SW12A
SW-DPDT
R356
D306
R344
330 Ohm
R373
2.0K
-15V
1N4003
2
1M
D307
1N4148
3
SW13A
1
SW-DPDT
6
SW13B
4
SW-DPDT
+20dB gain
Switch
1 2 3 4 56
1
349
C310
BF423
1
349
C325
R328
20K
R347
20K
R304
10K
Q301
BF423
Q302
10K
R305
M1
R348
10K
Q308
R349
10K
M1
2N4401
R382
240K
M2
10K
R329
Q309
2N4401
R383
240K
M2
R375
10K
High Voltage
Switch
R310 100K
2
3
220uF/6.3V
1K
R384
warmL
SW12B
R353 100K
R354 100K
6
5
220uF/6.3V
R385
warmR
1K
R309
8 4
C311
4
6
C326
-15V
+15V
100K
R311 4.7K
U301A
NE5532
R331
10K
warmR
C316
R355
U303B
NE5532
R377
10K
5
C303
47pF
1
C320
22uF/25V
220uF/6.3V
4.7K
C317
47pF
7
SW4B
C302
220uF/6.3V
+15V
+15V
4
6
R314
10K
R358
R388
10K
R389
10K
C306
22uF/25V
10K
warmL
6
5
Q314
2N4403
2.0K
R332
LED12
BLUE LED
LED12a
BLUE LED
R361
2
3
Q315
2N4403
R317
10K
D300
1N4148
NE5532
8 4
D302
1N4148
U301B
NE5532
-15V
-15V
+15V
R313
LED4
BLUE LED
LED4a
BLUE LED
7
10K
U303A
1
2.0K
C304
220uF/6.3V
220uF/6.3V
D301
1N4148
Right Dig.
Insert
C319
220uF/6.3V
D303
1N4148
-15V
R315
100K
C305
R386
20K
R359
100K
220uF/6.3V
R387
C318
R360
100K
20K
J300
Left Dig.
Insert
Phase
Invert
R316
100K
J303
J-CLIFF-GND
Phase
Invert
3
1
6
-15V
5
7
4
8
3
JP206H
2
9
1
GND-L
0
GND
SW3A
SW-DPDT
5
SW3B
SW-DPDT
4
LED3a
Orange LED
LED3
Orange LED
R334
2.0K
3
1
5
6
R378
2.0K
-15V
JP206G
JP206I
7
8
9
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