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ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L182_1.0 SoundCube f amps.SchDoc
SoundCube - DAC f amplifers
Contact Engineer:
L182CT
28/09/2010
INITIALS
Printed:
5
7
Sheet
of
Notes:
Contact Tel Direct:
01223 203210
Mark Tweedale
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A2
ARCAM
Contact Tel Reception: 01223 203200
2
3
1
8
4
IC500A
NJM2114M
0W063
R504
6K8
50V
C512
680P
0W063
R510
8K2
0W063
R505
15K
50V
C513
100P
16V
C518
100N
16V
C508
100UF
16V
C516
100UF
16V
C502
100N
16V
C500
100UF
0W063
R500
1K0
GND
-5V
+5VA
GND
GND
GND
0W063
R502
5K6
50V
C510
470P
0W063
R508
47K
GND
2
3
1
8
4
IC503A
NJM2114M
0W063
R520
6K8
50V
C528
680P
0W063
R526
8K2
0W063
R521
15K
50V
C529
100P
16V
C520
100UF
0W063
R514
1K0
GND
GND
0W063
R518
5K6
50V
C525
470P
0W063
R524
47K
GND
6
5
7
IC503B
NJM2114M
0W063
R506
6K8
50V
C514
680P
0W063
R511
8K2
0W063
R507
15K
50V
C515
100P
16V
C519
100N
16V
C509
100UF
16V
C517
100UF
16V
C503
100N
16V
C501
100UF
0W063
R501
1K0
GND
-5V
+5VA
GND
GND
GND
0W063
R503
5K6
50V
C511
470P
0W063
R509
47K
GND
6
5
7
IC500B
NJM2114M
0W063
R522
6K8
50V
C530
680P
0W063
R527
8K2
0W063
R523
15K
50V
C531
100P
16V
C521
100UF
0W063
R515
1K0
GND
GND
0W063
R519
5K6
50V
C526
470P
0W063
R525
47K
GND
GND
16V
C523
100N
16V
C522
100UF
GND
-5V
16V
C505
100N
16V
C504
100UF
+5VA
GND
+5VA
GND
16V
C527
100N
GND
-5V
16V
C507
100N
GND
-5V
VOL_DAT
VOL_CLK
VOL_DAT
VOL_CLK
Address xxxx x00x
Address xxxx x11x
TWEET_VOL_R
TWEET_VOL_L
WOOF_VOL_L
WOOF_VOL_R
TWEET_R
TWEET_L
WOOF_R
WOOF_L
50V
C562
100N
50V
C563
100N
35V
C555
47UF
35V
C556
47UF
PGND_LW
+19V_AMP_LW
1 pair per bank of three VDD pins
+19V_AMP_LW
GND
PGND_LW
50V
C532
100N
GND
GND
50V
C535
100N
+5VA
AMP_SYNC
50V
C549
470N
NC
1
P
G
N
D
2
P
G
N
D
3
P
G
N
D
4
V
D
D
5
V
D
D
6
V
D
D
7
C
1
N
8
C
1
P
9
C
P
V
D
D
1
0
SYNCOUT
11
NC
12
SYNCIN
13
FS2
14
FS1
15
INL-
16
INL+
17
MONO
18
R
E
G
1
9
R
E
G
2
0
R
E
G
2
1
A
G
N
D
2
2
A
G
N
D
2
3
SS
24
INR-
26
INR+
27
V
D
D
_
A
2
5
G1
28
G2
29
SHDN
30
MUTE
31
TEMP
32
TH2
33
TH1
34
TH0
35
V
D
D
3
6
V
D
D
3
7
V
D
D
3
8
P
G
N
D
3
9
P
G
N
D
4
0
P
G
N
D
4
1
NC
42
NC
43
NC
44
OUTR-
45
OUTR-
46
OUTR+
47
OUTR+
48
P
G
N
D
4
9
P
G
N
D
5
0
OUTL-
51
OUTL-
52
OUTL+
53
OUTL+
54
NC
55
NC
56
E
P
5
7
IC504
MAX
GND
WOO
WOOF_VOL_L
50V
C564
100N
50V
C565
100N
35V
C558
47UF
35V
C559
47UF
PGND_RW
+19V_AMP_RW
1 pair per bank of three VDD pins
GND
PGND_RW
GND
NC
1
P
G
N
D
2
P
G
N
D
3
P
G
N
D
4
V
D
D
5
V
D
D
6
V
D
D
7
C
1
N
8
C
1
P
9
C
P
V
D
D
1
0
SYNCOUT
11
NC
12
SYNCIN
13
FS2
14
FS1
15
INL-
16
INL+
17
MONO
18
R
E
G
1
9
R
E
G
2
0
R
E
G
2
1
A
G
N
D
2
2
A
G
N
D
2
3
SS
24
INR-
26
INR+
27
V
D
D
_
A
2
5
G1
28
G2
29
SHDN
30
MUTE
31
TEMP
32
TH2
33
TH1
34
TH0
35
V
D
D
3
6
V
D
D
3
7
V
D
D
3
8
P
G
N
D
3
9
P
G
N
D
4
0
P
G
N
D
4
1
NC
42
NC
43
NC
44
OUTR-
45
OUTR-
46
OUTR+
47
OUTR+
48
P
G
N
D
4
9
P
G
N
D
5
0
OUTL-
51
OUTL-
52
OUTL+
53
OUTL+
54
NC
55
NC
56
E
P
5
7
IC505
MAX
WOOF_VOL_R
AMP_SYNC
50V
C566
100N
50V
C567
100N
35V
C560
47UF
35V
C561
47UF
PGND_T
+19V_AMP_T
1 pair per bank of three VDD pins
GND
PGND_T
GND
NC
1
P
G
N
D
2
P
G
N
D
3
P
G
N
D
4
V
D
D
5
V
D
D
6
V
D
D
7
C
1
N
8
C
1
P
9
C
P
V
D
D
1
0
SYNCOUT
11
NC
12
SYNCIN
13
FS2
14
FS1
15
INL-
16
INL+
17
MONO
18
R
E
G
1
9
R
E
G
2
0
R
E
G
2
1
A
G
N
D
2
2
A
G
N
D
2
3
SS
24
INR-
26
INR+
27
V
D
D
_
A
2
5
G1
28
G2
29
SHDN
30
MUTE
31
TEMP
32
TH2
33
TH1
34
TH0
35
V
D
D
3
6
V
D
D
3
7
V
D
D
3
8
P
G
N
D
3
9
P
G
N
D
4
0
P
G
N
D
4
1
NC
42
NC
43
NC
44
OUTR-
45
OUTR-
46
OUTR+
47
OUTR+
48
P
G
N
D
4
9
P
G
N
D
5
0
OUTL-
51
OUTL-
52
OUTL+
53
OUTL+
54
NC
55
NC
56
E
P
5
7
IC506
MAX
GND
TWEE
TWEET_VOL_R
GND
TWEET_VOL_L
TWEE
AMP_SHDN*
AMP_MUTE*
0W063
0603
R555
10K
50V
0603
C554
10N
AMP_TEMP*
0W063
0603
R559
10K
0W063
0603
R560
10K
50V
C568
100N
GND
AMP_TEMP_COM*
AMP_TEMP*
AMP_TEMP*
AMP_TEMP*
+3V14
25V
1206
C538
1uF
Thermal trigger = 100degC
0805
R528
0R0
Replace with ferrite bead?
(PVDD)
GND
PGND_LW
WOOF_OUT_L-
25V
1206
X7R
C543
1uF
25V
1206
X7R
C546
1uF
50V
C550
470N
GND
Thermal trigger = 100degC
GND
PGND_RW
25V
1206
X7R
C544
1uF
25V
1206
X7R
C547
1uF
+19V_AMP_RW
50V
C533
100N
GND
50V
C536
100N
25V
1206
C539
1uF
0805
R529
0R0
Replace with ferrite bead?
(PVDD)
WOO
WOOF_OUT_R-
50V
0603
C552
10N
25V
1206
X7R
C541
1uF
25V
1206
X7R
C542
1uF
25V
1206
X7R
C545
1uF
25V
1206
X7R
C548
1uF
AMP_SYNC
+5VA
50V
C551
470N
Thermal trigger = 100degC
GND
PGND_T
TWEET_OUT_L-
TWEET_OUT_R-
50V
0603
C553
10N
+19V_AMP_T
50V
C534
100N
GND
50V
C537
100N
25V
1206
C540
1uF
0805
R530
0R0
Replace with ferrite bead?
(PVDD)
AMP_SHDN*
AMP_MUTE*
PGND_RW
AMP_SHDN*
AMP_MUTE*
PGND_T
0W063
0603
R513
0R0
0W063
0603
R517
0R0
0W063
0603
R516
0R0
GND
GND
A
G
N
D
1
2
A
G
N
D
2
4
A
G
N
D
3
6
D
G
N
D
1
1
DA
9
CL
8
MUTE
10
V
E
E
5
V
C
C
7
OUT1
14
OUT2
13
IN1
1
IN2
3
SEL
12
IC501
BD3812F-E2
A
G
N
D
1
2
A
G
N
D
2
4
A
G
N
D
3
6
D
G
N
D
1
1
DA
9
CL
8
MUTE
10
V
E
E
5
V
C
C
7
OUT1
14
OUT2
13
IN1
1
IN2
3
SEL
12
IC502
BD3812F-E2
35V
RX
C557
1000UF
+19V_AMP
PGND
SP500
+19V_AMP_LW
+19V_AMP_RW
+19V_AMP_T
1
2
3
4
5
6
7
8
XH (HORIZONTAL)
CON500
JST
WOO
WOOF_OUT_L-
WOO
WOOF_OUT_R-
TWEE
TWEE
TWEET_OUT_L-
TWEET_OUT_R-
TWEET_R
TWEET_L
WOOF_R
WOOF_L
VOL_CLK
VOL_DAT
AMP_TEMP_COM*
AMP_SHDN*
AMP_MUTE*
AMP_SHDN*
AMP_MUTE*
PGND_LW
PGND_RW
PGND_T
SP501
0W063
0603
R561
4K7
0W063
0603
R562
4K7
GND
AMP_SHDN*
AMP_MUTE*
These two need pulldowns so that the
default state of the amp is DISABLED.
P500
P502
P501
P503
P505
P504
P507
P506
P509
P508
P511
P510
P512
P515
P516
P514
P517
P519
P518
P513
PGND_LW
0W063
0603
R563
47R
0W063
0603
R565
47R
0W063
0603
R564
47R
0W063
0603
R566
47R
NF
NF
NF
NF
09_E142
PK
08-07-09
Prototype release
A.0
10_E001
PK
05-01-10
Added WWi caps to all volume control IC pins
B.0
50V
C336
10P
50V
C337
47P
50V
C338
10P
50V
C339
47P
50V
C340
10P
50V
C341
47P
GND
GND
50V
C332
10P
50V
C333
47P
GND
50V
C328
10P
50V
C329
47P
50V
C330
10P
50V
C331
47P
GND
50V
C324
10P
50V
C325
47P
GND
50V
C326
10P
50V
C327
47P
GND
50V
C322
10P
50V
C323
47P
50V
C334
10P
50V
C335
47P
GND
50V
C348
10P
50V
C349
47P
50V
C350
10P
50V
C351
47P
GND
+5VA
50V
C342
10P
50V
C343
47P
GND
50V
C354
10P
50V
C355
47P
GND
50V
C358
10P
50V
C359
47P
GND
50V
C356
10P
50V
C357
47P
GND
50V
C352
10P
50V
C353
47P
GND
50V
C344
10P
50V
C345
47P
GND
50V
C346
10P
50V
C347
47P
GND
50V
C360
10P
50V
C361
47P
GND
+5VA
-5V
50V
C569
10P
50V
C570
47P
50V
C571
10P
50V
C572
47P
50V
C573
10P
50V
C574
47P
50V
C506
10P
50V
C524
47P
10_E074
PK
30/03/10
Add WWI caps to power amp +ve input pins
C.0
50V
C582
1N0
50V
C581
1N0
50V
C580
1N0
50V
C579
1N0
50V
C578
1N0
50V
C577
1N0
50V
C576
1N0
50V
C575
1N0
GND
L500
70R@100MHz
L501
70R@100MHz
L502
70R@100MHz
L503
70R@100MHz
L504
70R@100MHz
L505
70R@100MHz
L506
70R@100MHz
L507
70R@100MHz
+5VA
+5VA
+5VA
+5VA
PGND_LW
Add amp output filter, remove option resistors
P520
P522
P521
P523
P525
P526
P524
P527
P532
P533
P528
P530
P540
P539
P541
P534
P529
P535
P531
P542
P538
P537
P536
P543
1.0
Add test points
10_E136
PK
09/09/11
P544
P545
P546
P550
P551
P552
P566
P567
P568
P553
P554
P555
P547
P548
P549
P556
P558
P557
P559
P560
P561
P562
P563
P564
P565
P572
P569
P570
P571