NAD D3020 - Output Board

5
1
4
2 3
J308A
DLR13M1
VCC
8
GND
7
DO
6
J308B
DLR13M1
R373
4R7
C385
100n
C383
4U7
AGND AGND
3V3DA
AGND
R376
33R
C380
10N
AGND
R405
56K
C423 100P
R406
56K
C424 100P
R414
56K
C435 100P
R418
56K
C445 100P
AGND
C415 47U/16V C419 47U/16V
C430
47U/16V
C449
47U/16V
C431 1N NPO
C441 1N NPO
AGND
PHI_L PHI_R
RCA_L
RCA_R
1 2
3
4
5 6
7 8
9
10
11 12
13 14
15 16
17 18
19 20
21
22
23
24
25 26
27 28
29 30
31 32
33 34
35
36
J301
AMP MODULE
OUT1
IN2+
VDR_EXT
IN1+
AGND
AGND
PRV
PRV
AGND
AGND
+15VA
-15VA
1
2
J300 LOUT
1
2
J302 ROUT
OUT2
C403
10N
C432
10N
C406
10N
AGND
C434
10N
AGND
+35V
-35V
+35V
-35V
AGND
R409
100R 3W
OPTO_DET
ANA_DET
Q300 BC860
Q301
BC860
R306
51R
C317 2N2
R308
51R
R304
R05 3W
PRV
C384
220U/50V
C382
220U/50V
PRV
PGND PGND
C388
100N
C389
100N
+35V
C416 100N
C418 100N
AGND
-35V
R321
270K
R320
2K
AGND
C351 10N
R348
47K
C352
1uF/25V
R315
10K
-12V
2
3
1
U308A
OPA1654AIDR
6 5
7
U308B OPA1654AIDR
13
12
14
U308C
OPA1654AIDR
9 10
8
U308D
OPA1654AIDR
411
U308E
OPA1654AIDR
D301
1SS352
C348
0.47uF
R343
330K
R342
330K
AGND
R344
2.7K
R351
2.7K
AGND
R368
10K
R365
10K
R361 10K
1 2
3
R363
5K
R372
56K
+12V
C369 100N
C363
10U/25V
AGND
VCL+
VCL-
AGND
+12V
-12V
C364
100U/25V
C377
100U/25V
C365 100N
C373 100N
AGND
Clipping control
+15VA
-15VA
C410 100nZ
C425 100nZ
C409 100nZ
C426 100nZ
+12V
-12V
AGND
C408
100U/25V
C422
100U/25V
C421
100U/25V
C407
100U/25V
AGND
+7VA -7VA
AGND
Clip +
IN
U316 LM317M
IN
2
ADJ
1
OUT
3
U318 LM337M
R416
243R
R423
243R
R422
1K1
R417
1K1
R415 10R
R426
10R
C437
100U/25V
C454
100U/25V
C438 100nZ
C442 10U/10V
C451 10U/10V
C444 100nZ
C455 100nZ
C450
100nZ
+12V
-12V
AGND
OPTO_DET ANA_DET
DCERR-
PSU
AGND
1 2
3
R314
100K
R437
220R
R439
220R
R435
220R
R436
220R
R440
10R
R441
10R
C467
100P
C466
100P
C468
100P
C469
100P
21
3 4
L145 40uH*2
21
3 4
L305 40uH*2
J309
ANALOG Input L
J310
ANALOG Input R
C443
10U/10V
C452
10U/10V
1 2 3
4
5
6
J303
From PSU board
1
2
3 4
J304
From PSU board
RX2
nAMPON
3V3D
L306
742792662
C396
22U 6V3 X5R
AGND
3V3DA
1
1
2
2
C472
22N
1
1
2
2
R446
10R
A
1
K
2
D317
1SS352
A
1
K
2
D318
1SS352
AGND
XM102
HOLE
0 if inserted 0 if inserted
R450
10R
R449
10R
-35V
-35V
C485
100U/50V
-35V
AGND
OPTO_DETANA_DET
RX2
IN2+
IN1+
-12V +12V
3V3D
VCL-VCL+
DCERR-
nAMPON
R393
100K
PSUFa
PRV
PHI_L
PHI_R
RCA_R
RCA_L
+7VA
-7VA
AGND
SUB IN
SUB IN
nAMPON
1 2 3
4 5 6 7
J311 CON7
1
2 3 4 5
6
7
J312
CON7
AGND
AGND
5VS
1
2
3 4
5
6
7
8
9
10
11
12
13 14
15 16
17
18
19 20
21 22
23
24
25
26
27 28
29
30
31
32
J305
To Preamp board J105
R464
10K
R466
22K
-12V
IN
1
OUT
2
G
3
DIS
4
U312
KA78R12
Vin
2
GND
1
Vout
3
U315 LM7912
5VS
C496
47U/16V
4.OUT PUT AND HEADPHONE BOARD
16