ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
Volume Control Circuit.Sch
Volume Control
Contact Engineer:
L955CT 3
4 Apr 2003
INITIALS
Printed:
3
4
Sheet
of
Notes:
Contact Tel:
(01223) 203XXX tel No
EngNameXXXX
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9PB
Waterbeach
23425
From Source Multiplexer
A80/A32 Multichannel Expansion Module
AGND
C330
100N
50V
0805
C331
100N
50V
0805
AGND
AGND
SRight_Vol
Sub_Vol
SLeft_Vol
FRight_Vol
Centre_Vol
FLeft_Vol
VOUTR
11
DGND
5
AGNDR
10
VINR
9
SDO
7
AGNDL
15
VD+
4
VA+
12
VOUTL
14
SDI
3
ZCEN
1
CS
2
SCLK
6
MUTE
8
VINL
16
VA-
13
IC308
PGA2310UA
SO-16W
VOUTR
11
DGND
5
AGNDR
10
VINR
9
SDO
7
AGNDL
15
VD+
4
VA+
12
VOUTL
14
SDI
3
ZCEN
1
CS
2
SCLK
6
MUTE
8
VINL
16
VA-
13
IC309
PGA2310UA
SO-16W
VOUTR
11
DGND
5
AGNDR
10
VINR
9
SDO
7
AGNDL
15
VD+
4
VA+
12
VOUTL
14
SDI
3
ZCEN
1
CS
2
SCLK
6
MUTE
8
VINL
16
VA-
3
IC310
PGA2310UA
SO-16W
AGND
R304
100K
0W125
0805
R309
100K
0W125
0805
Vol_SCLK
Vol_Mute
AGND
AGND
Vol_SCLK
Vol_Mute
Vol_CS_B
Vol_SCLK
Vol_SDI
Vol_Mute
Vol_CS_A
Vol_SCLK
Vol_SDI
Vol_Mute
AGND
FLeft_OP
Centre_OP
FRight_OP
SLeft_OP
Sub_OP
SRight_OP
BLeft_OP
BRight_OP
To Output Driver Circuit
AGND
C351
100N
50V
0805
C361
100N
50V
0805
C352
100N
50V
0805
C318
10UF
50V
SM
C319
10UF
50V
SM
C326
10UF
50V
SM
AGND
C342
100N
50V
0805
C312
10UF
50V
SM
C343
100N
50V
0805
C313
10UF
50V
SM
C364
100N
50V
0805
C328
10UF
50V
SM
C333
100N
50V
0805
C305
10UF
50V
SM
C335
100N
50V
0805
C307
10UF
50V
SM
C358
100N
50V
0805
C324
10UF
50V
SM
AGND
C332
100N
50V
0805
C304
10UF
50V
SM
AGND
C334
100N
50V
0805
C306
10UF
50V
SM
AGND
C357
100N
50V
0805
C323
10UF
50V
SM
AGND
AGND
AGND
6
5
7
IC300B
OPA2134UA
SO-8
AGND
R319
1M0
0W125
0805
C329
100N
50V
0805
R311
22K
0W125
0805
AGND
C340
100N
50V
0805
C341
100N
50V
0805
AGND
AGND
6
5
7
IC301B
OPA2134UA
SO-8
AGND
R321
1M0
0W125
0805
C339
100N
50V
0805
R312
22K
0W125
0805
2
3
1
8
4
IC300A
OPA2134UA
SO-8
AGND
C337
100N
50V
0805
C338
100N
50V
0805
AGND
AGND
6
5
7
IC302B
OPA2134UA
SO-8
AGND
R320
1M0
0W125
0805
C336
100N
50V
0805
R313
22K
0W125
0805
AGND
C348
100N
50V
0805
C349
100N
50V
0805
AGND
AGND
6
5
7
IC303B
OPA2134UA
SO-8
AGND
R323
1M0
0W125
0805
C347
100N
50V
0805
R314
22K
0W125
0805
AGND
C345
100N
50V
0805
C346
100N
50V
0805
AGND
AGND
6
5
7
IC304B
OPA2134UA
SO-8
AGND
R322
1M0
0W125
0805
C344
100N
50V
0805
R315
22K
0W125
0805
AGND
C360
100N
50V
0805
C350
100N
50V
0805
AGND
AGND
6
5
7
IC305B
OPA2134UA
SO-8
AGND
R325
1M0
0W125
0805
C359
100N
50V
0805
R316
22K
0W125
0805
BRight_Vol
BLeft_Vol
AGND
C354
100N
50V
0805
C355
100N
50V
0805
AGND
AGND
6
5
7
IC306B
OPA2134UA
SO-8
AGND
R324
1M0
0W125
0805
C353
100N
50V
0805
R317
22K
0W125
0805
AGND
C363
100N
50V
0805
C356
100N
50V
0805
AGND
AGND
6
5
7
IC307B
OPA2134UA
SO-8
AGND
R326
1M0
0W125
0805
C362
100N
50V
0805
R318
22K
0W125
0805
2
3
1
8
4
IC302A
OPA2134UA
SO-8
2
3
1
8
4
IC301A
SO-8
2
3
1
8
4
IC303A
OPA2134UA
SO-8
2
3
1
8
4
IC304A
OPA2134UA
SO-8
2
3
1
8
4
IC305A
OPA2134UA
SO-8
2
3
1
8
4
IC307A
OPA2134UA
SO-8
2
3
1
8
4
IC306A
OPA2134UA
SO-8
C365
22P
100V
0805
C367
22P
100V
0805
C366 22P
100V
0805
C368 22P
100V
0805
C369 22P
100V
0805
C370 22P
100V
0805
C372 22P
100V
0805
C371 22P
100V
0805
-15VA
+15VA
+15VA
-15VA
-15VA
+15VA
+15VA
-15VA
-15VA
+15VA
-15VA
+15VA
+15VA
-15VA
+15VA
-15VA
-15VA
+15VA
-15VA
+15VA
-15VA
+15VA
-15VA
+15VA
VOUTR
11
DGND
5
AGNDR
10
VINR
9
SDO
7
AGNDL
15
VD+
4
VA+
12
VOUTL
14
SDI
3
ZCEN
1
CS
2
SCLK
6
MUTE
8
VINL
16
VA-
13
IC311
PGA2310UA
SO-16W
R301
100K
0W125
0805
R303
100K
0W125
0805
R302
100K
0W125
0805
R306
100K
0W125
0805
R305
100K
0W125
0805
R308
100K
0W125
0805
R310
100K
0W125
0805
R307
100K
0W125
0805
P306
P307
P308
P309
P310
P311
P312
P313
P319
P318
P323
P322
P305
P304
P303
P302
P300
P301
P314
P315
P316
P317
P320
P321
FLeft_Vol
Centre_Vol
FRight_Vol
SLeft_Vol
Sub_Vol
SRight_Vol
BLeft_Vol
BRight_Vol
Note: Bulk decoupling capacitors on volume chips also bulk decouple the attached dc servos
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
C375
470N
100V
MKS2
C377
470N
100V
MKS2
C376
470N
100V
MKS2
C380
470N
100V
MKS2
C378
470N
100V
MKS2
C379
470N
100V
MKS2
P325
P324
02_E227
S.U
16/10/02
ISSUE A Release
A
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
PSU_GND
C373
1U0
63V
PE OLD
C374
1U0
63V
PE OLD
B
03_E071
S.U
03/03/03
ISSUE B Release
Summary of Contents for C30, P35
Page 1: ...Service Manual C30 Pre Ampli er Issue 1 0 ARCAM Bringing music movies to life...
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Page 32: ...CAM Products 2000 TM L928PB B GTO...
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