Pcb Dsp Sd 251 571 Sheet 3 Of 5 - Loewe Concertos Acoustimass 61247 Service Manual

Bassmodul
Table of Contents

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8
7
D
CABLE-CONT
MUTE-LR
MUTE-C
MUTE-LSRS
CLIP
RS-EQAUD
LS-EQAUD
B-EQAUD
C-EQAUD
L-EQAUD
AMP-GND-SENSE
R-EQAUD
PROTECT
-12V
+17V-FUSED
C
+12V
C302
M317
M318
M319
.033
Z300
10
M321
M322
R300
4
B
3
J9
M323
J9
5
6
M325
M326
R301
M327
10
Z301
C303
.033
M329
M330
C304
M331
.033
Z302
R302
10
M333
M334
2
1
J9
M335
J9
7
8
M337
M338
M339
R303
10
Z303
C305
.033
M341
M342
.033
M343
C306
A
Z304
R304
10
M346
M347
10
9
J9
M348
8
7
64
6
M306
18
J8
M301
J8
17
M302
16
J8
M303
15
J8
M304
14
J8
M305
13
J8
M307
J8
12
M308
J8
11
M309
TP308
J8
10
M310
9
J8
M311
8
J8
M312
J8
7
M313
6
J8
M314
J8
5
M360
J8
4
M315
3
J8
M361
J8
2
M316
J8
1
J4
C-SPKR
1
R308
M320
P22
1K
J4
C+SPKR
3
M324
J4
RS+SPKR
6
M328
J4
LS&RS-SPKR
7
M332
J4 145402-8
RT ANGLE TO AMP BD J10
J4
LS+SPKR
8
M336
J4
R+SPKR
4
M340
J4
L&R-SPKR
5
M345
J4
L+SPKR
2
M349
6
5
4
+12V
J5-7
BAV99L
TP305
TURN-ON
D301
Q300
MMBT3904
C307
.01
TP301
D300
R310
3.3V
360
TP300
R311
Z305
360
R305
M352
5.1K
R306
Q301
M354
MMBT3904
MMBT3904
100K
U300
1
ANODE
MAIN
2
C310
CATHODE
SUB
.01
3
NC
MAIN
R307
C308
10K
MOC3063T
2.2uF
M351
Q303
Q302-C
MMBT3906
C313
.001
Q302
TP306
MMBT3904
R309
C315
10K
0.01uF
M353
J8-18
CABLE-CONT
C314
.001
5
4
3
CLASS
DWG NO.
SD
251571
F300
M355
M356
HOT
2
SLO-BLO
NEUTRAL
1
Y301
J6
M357
R312
J7
100-1/4W
5
M358
1
2
3
4
115V
230V
R313
3
S300
100
S300
2
115V
230V
1
4
5
6
C312
3
N.U.
D302
FILM
TRIAC
6
2
1
Y300
Y302
5
TP307
R315
N.U.
4
R314
M359
N.U.
3
2
1
SH
3
D
C
B
THIS DRAWING IS BASED ON
P-CAD DATA ALL CHANGES
A
MUST BE MADE USING THE
P-CAD FILES ATTACHED TO
MD251571
SHEET =
3
SIZE
FSCM
CLASS
DWG NO.
REV
D
SD
251571
01
32108
SCALE
*
CAT. CODE
*
SHEET 3 OF 5
1
64

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