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AUXRTN.Sch
Titel
Size
File:
Date:
Drawn By:
Sheet
Revision
Model No:
12-Jul-2003
BOW.
MAIN INPUT STAGE (AUXRTN)
8
5 of
ALTO L12
VER030710
A3
PCB# S16MN1.PCB
R298
56K
R329
3K6
C174
100P
R297
56K
R330
3K6
VR52B
W50K
VR52A
W50K
3
2
1
U29A
4580M
5
6
7
U29B
4580M
R343
36K
C181
22P
C183
47u/25V
R351
20K
R344
36K
C182
22P
C184
47u/25V
R352
20K
AUX RETURN 1
LEFT-BUS
RIGHT-BUS
R306
56K
R335
3K6
R308
56K
R336
3K6
VR45B
W50K
VR45A
W50K
3
2
1
U30A
4580M
5
6
7
U30B
4580M
R345
36K
C193
22P
C195
47u/25V
R347
36K
C194
22P
C196
47u/25V
AUX RETURN 2
LEFT-BUS
RIGHT-BUS
C173
100P
C185
100P
C186
100P
AUXRTN1-L
AUXRTN1-R
AUXRTN2-R
AUXRTN2-L
AUXRTN1-L
AUXRTN1-R
AUXRTN2-R
AUXRTN2-L
AUXRTN.SCH
C175
47u/25V
C176
47u/25V
C187
47u/25V
C188
47u/25V
R326
5K1
R325
5K1
R328
5K1
R327
5K1
2
1
3
SW31A
PS-42E85L
R299
10K
SOLO(PFL)
8
7
9
SW31C
PS-42E85L
5
4
6
SW31B
PS-42E85L
AFL-L
AFL-R
R367
27K
R368
27K
R353
4K7
AUX1
VR48
W50K
R332
5K1
R331
5K1
R334
5K1
R333
5K1
R309
10K
R369
27K
R370
27K
R357
4K7
AUX2
VR49
W50K
R354
20K
R355
20K
LEFT-BUS
RIGHT-BUS
LEFT-BUS
RIGHT-BUS
R307
56K
R338
3K6
R320
56K
R339
3K6
VR46B
W50K
VR46A
W50K
3
2
1
U31A
4580M
5
6
7
U31B
4580M
R346
36K
C205
22P
C207
47u/25V
R349
36K
C206
22P
C208
47u/25V
AUX RETURN 3
C197
100P
C198
100P
AUXRTN3-R
AUXRTN3-L
AUXRTN3-R
AUXRTN3-L
C199
47u/25V
C200
47u/25V
R315
5K1
R314
5K1
R374
27K
R371
27K
R316
10K
R356
20K
R361
20K
LEFT-BUS
RIGHT-BUS
LEFT-BUS
RIGHT-BUS
SW32A
PS-22E85L
SW32B
PS-22E85L
R376
10K
R377
10K
CTRL/L
CTRL/R
R319
100K
R340
3K6
R324
100K
R342
3K6
VR47B
W50K
VR47A
W50K
3
2
1
U32A
4580M
5
6
7
U32B
4580M
R348
36K
C217
22P
C219
47u/25V
R350
36K
C218
22P
C220
47u/25V
AUX RETURN 4
C209
100P
C210
100P
AUXRTN4-R
AUXRTN4-L
AUXRTN4-R
AUXRTN4-L
C211
47u/25V
C212
47u/25V
R318
5K1
R323
5K1
R358
20K
R359
20K
LEFT-BUS
RIGHT-BUS
2
1
3
SW35A
PS-22E85L
5
4
6
SW35B
PS-22E85L
2
1
3
SW33A
PS-22E85L
5
4
6
SW33B
PS-22E85L
SUB1
SUB2
R360
20K
R362
20K
2
1
3
SW34A
PS-22E85L
SUB3
R363
20K
5
4
6
SW34B
PS-22E85L
SUB4
R364
20K
R317
10K
R337
5K1
R341
5K1
R365
4K7
AUX1
VR50
W50K
R366
4K7
AUX2
VR51
W50K
TO AUX SEND2
TO AUX SEND1
MAIN MIX / CTRL/R
R372
30K
R373
30K
DFX TO MONITOR
DFX TO MONITOR
AUX2
AUX1
11
10
12
SW31D
PS-42E85L
D13
BAS316
LOGIC
(SOLO)
(LOGIC=2.0V or 0.5V)
LOGIC
LD9
RED
R375
2K2
-VCC
8
4
U29C
4580M
C229
100N
C230
100N
8
4
U30C
4580M
8
4
U31C
4580M
8
4
U32C
4580M
C231
100N
C232
100N
C233
100N
C234
100N
C235
100N
C236
100N
8
4
U25C
4580M
C221
100N
C222
100N
8
4
U26C
4580M
8
4
U27C
4580M
8
4
U28C
4580M
C223
100N
C224
100N
C225
100N
C226
100N
C227
100N
C228
100N
+VCC
-VCC
C180
47u/25V
C179
47u/25V
R293
10K
R294
10K
3
2
1
U25A
4580M
5
6
7
U25B
4580M
C177
22P
C178
22P
R295
5K1
R296
5K1
C191
47u/25V
C192
47u/25V
R301
10K
R300
10K
3
2
1
U26A
4580M
5
6
7
U26B
4580M
C189
22P
C190
22P
R303
5K1
R304
5K1
C203
47u/25V
C204
47u/25V
R302
10K
R310
10K
3
2
1
U27A
4580M
5
6
7
U27B
4580M
C201
22P
C202
22P
R305
5K1
R312
5K1
C215
47u/25V
C216
47u/25V
R311
10K
R321
10K
3
2
1
U28A
4580M
5
6
7
U28B
4580M
C213
22P
C214
22P
R313
15K
R322
15K
C498
47u/25V
C497
47u/25V
R740
15K
R739
15K
C496
47u/25V
C495
47u/25V
C494
47u/25V
C493
47u/25V
R738
15K
R737
15K
R736
15K
R735
15K
C492
47u/25V
C491
47u/25V
R734
15K
R733
15K
Summary of Contents for L-12
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