NAD C 446, Руководство по обслуживанию

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SCHEMATIC DIAGRAM
RST
1
VL
2
SDATA
3
SCLK
4
LRCK
5
MCLK
6
M3
7
SPI_SCK
8
SPI_MOSI
9
SPI_CS
10
FILT+
11
CMOUT
12
BMUTEC
13
AOUTB-
14
AOUTB+
15
AGND
16
VA
17
AOUTA+
18
AOUTA-
19
AMUTEC
20
U601
CS4392
C611
10U/10V X5R
C612
100N
C613
330U/6.3V HCP
C621
100U/6.3V
C622
100U/6.3V
C623
100nF
C624
100nF
+5VA
AGND
AGND
AGND
C607
6N8
R605
47R
R6
16
22
K
AGND
C626
6N8
R621
47R
R6
29
22
K
C608
1N
C616
1N
R607
47RJ
R623
47RJ
C609
220P
C617
220P
L
R
ch
as
si
s3
1
3
2
K603A
JRC-27F/012-S
4
6
5 K601B
JRC-27F/012-S
R606
1K
R622
1K
AGND
J601A
J601B
R653
4k7
R651
4k7
Q601
2SC1815
C648
10N
D601
1N4148
C651
100P
AGND
+12VA
R618
18K
R619
56K
C620
220pF
C619
22pF
C625
22pF
R625
56K
R624
18K
R617
21K
R628
21K
2
3
1
U615A
NE5532
R602
18K
R603
56K
C604
220pF
C601
22pF
C605
22pF
R611
56K
R610
18K
R601
21K
R615
21K
2
3
1
U603A
NE5532
2
3
1
U605A
NE5532
C627
220pF
C606
220pF
AGND
AGND
-12VA
+12VA
AGND
8
4
U615C
NE5532
-12VA
+12VA
C677
33U/25V
C670
33U/25V
C676
33U/25V
C669
33U/25V
C675
33U/25V
C668
33U/25V
G
1
O
U
T
2
IN
3
O
4
U616
AMS1117-5
AGND
+12VA +5VA
C662
100N
3V3D
C630 100N
C628 22U/6.3V
DGND 3V3D
3V3D
MIX_RST
R608
330R
AGND
C618
22U/6V3
C615
1N
AGND
C614
1N
C610
22U/6.3V
AGND
3V3D
TR
1
G
N
D
2
O
U
T
3
V
D
D
4
U
60
4
24
.5
76
M
AGND AGND AGND
R614
82R
FB601
60
0@
10
0M
H
z
A-FL
A-FR
Vref
1
AGND
2
Vcc
3
Vdd
4
DGND
5
SCKI
6
LRCK
7
BCK
8
DOUT
9
MD0
10
MD1
11
FMT
12
VinL
13
VinR
14
U606
PCM1808
AGND
EC601
10uF/16V
C633
0.1uF
EC602
10uF/16V
C634
0.1uF
AGND
AGND
C636
0.1uF
+5VA
ADC_MCK
C631
100pF
R633
56K
R634
56K
C632
10UF
C635
10UF
C638
100pF
AGND
8
4
U603C
NE5532
6
5
7
U615B
NE5532
R632
20K
R644
10K
R631
10K
R641
20K
C629
33pf
AGND
AGND
AGND
C643
33PF
FB602
600@100MHz
R636
3R3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
P601
1.0-9-17PWB
RDS_DATA
RDS_CLK
STEREO
PLL_DO
PLL_CE
TUNERD
PLL_CLK
PLL_DI
AGND
FM/AM_R
FM/AM_L
AGND
+12VA
AGND
C644
100N
C646
220U/25V
_596 C645
100N
CSS
1
COPY/C
2
L
3
CLK1
4
CLK0
5
MCLK
6
Vio
7
DGND
8
FMT0
9
FMT1
10
SCLK
11
SYNC
12
SDATA
13
M/S
14
RST
15
DGND
16
TX-
17
TX+
18
Vdd
19
MDAT
20
MONO
21
AUDIO
22
EMPH
23
BLSM
24
BLS
25
V
26
U
27
MODE
28
U607
DIT4096
C639
100N
C637
100N
DGND
3V3D
DGND
DGND
DGND
FM_BCK
FM_LRCK
DGND
DGND
DGND
FM_DAT
DATA
1
VCC
2
GND
3
OP601
GP1FAV30TK0F
DGND
C641
100N X7R
L601
FB
C640
22u/6V3
R642
10K
+3.3VP
+3.3VP
R643
120R
R646
120R
R647
120R
DIT_MCK
R609
82R
ADC_MCK
DIT_MCK
R635
10K
R637
10K
MIX_RST2
MIX_RST
ETH_RST
C
6
7
4
4
7
n
F
R677
2K2
IRB
R678
10k
232GND
R
6
7
6
1
K
1
2
3
4
5
6
7
8
9
11
10
J608
D Connector 9
Same as SPA22
/EN
1
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
RIN
8
ROUT
9
/INV
10
DIN
11
FCON
12
DOUT
13
GND
14
VCC
15
/FCOFF
16
U617
MAX3221
C681
100N
C682
100N
C690
100N
C691
100N
232GND
C686
100N
3V3S
232GND
232GND
R683
330R
R685
330R
R232_RX
R232_TX
C685
10U/10V,
R679
10R
TPSA106M010R0900
C687
22N
R680
10R
D604
1SS352
D605
1SS352
232GND
DGND
1
2
3
J607
3PIN
R684
100R
232GND
IPOD_TX
IPOD_RX
DAC_SCK
DAC_MOSI
A0
1
GND
2
A1
3
Y
4
Vcc
5
S
6
U608
NC7SZ157
R645
33R
R640
33R
DGND
MM_SPDIF
MM_SPDIF
3V3D
FM/MM SPDIF
FM/MM SPDIF
3V3D
3V3D
DAC_CS
C642
100N
DGND
C602
100N
C603
22U/6.3V
AGND
C_M
U
TE
8
4
U605C
NE5532
C673
100N
C680
100N
C672
100N
C679
100N
C671
100N
C678
100N
C688
22N
R681
10R
D606
1SS352
D607
1SS352
AGND
chassis3
MM_MCK
MM_BCK
MM_LRCK
MM_DATA
MM_LRCK
MM_DATA
MM_BCK
MM_MCK
7
8
K601C
JRC-27F/012-S
1
3
2
K601A
JRC-27F/012-S
R649
33R
R648
33R
FM/AM_RO
FM/AM_LO
FM/AM_RO
FM/AM_LO
R654
4k7
R652
0R
Q602
2SC1815
C649
10N
D602
1N4148
C652
100P
AGND
+12VA
4
6
5
K603B
FM/MM Sel
FM
/M
M
Sel
3V3S
DGND
3V3S
C659
100N
Y601
18.432 MHz
C667
20P
C666
20P
DGND
R670
100K
dgnd
C660
100N
3V3S
1
2
J604
CON2
R667
10R
R675
1MEG
C658
22UF/16V
P102
57
P91
1
P90
2
C
N
V
SS
3
P8
7/
X
C
IN
4
P8
6/
X
C
O
U
T
5
R
ES
ET
6
X
O
U
T
7
V
SS
8
X
IN
9
V
C
C
10
P85/
N
M
I
11
P8
4/
IN
T2
12
P8
3/
IN
T1
13
P8
2/
IN
T0
14
P81
15
P80
16
P77
17
P76
18
P75
19
P74
20
P73
21
P72
22
RXD2/P71
23
TXD2/P70
24
TXD1/P67
25
RXD1/P66
26
P65
27
P64
28
P33
29
SO3/P32
30
SI3/P31
31
CLK3
32
TX
D
0/
P6
3
33
R
X
D
0/
P6
2
34
CLK0/
P61
35
P60
36
P27
37
P26
38
P25
39
P24
40
P23
41
P22
42
SCL/
P21
43
SD
A
/P
20
44
P17
45
P16
46
P15
47
P03
48
P02
49
P01
50
P00
51
P107
52
P106
53
P105
54
P104
55
P103
56
P101
58
AVSS
59
P100
60
VREF
61
AVCC
62
P93
63
P92
64
U611
M30281FAHP
RESET
1
GND
2
RESET
3
VDD
5
MR
4
U614
TPS3825
DGND
R662
47K
DGND
CLK1
BUSY
R673
33R
CNVss
CE
RESET
DGND
3V3S
R668
0R
1
2
J603
CON2
R672
47K
3V3S
R232_RX
R232_TX
3V3S
DGND
1 2
3 4
5 6
7 8
9 10
11 12
13 14
J606 HEADER 7X2 2.54 pitch
CLK1
BUSY
CNVss
CE
RESET
R232_RX
R232_TX
R664D
120R
R663A
120R
R663C
120R
R664A
120R
R664B
120R
R658A
120R
R658B
120R
R658C
120R
R658D
120R
M_SCK
M_MOSI
K
EY
_S
TB
SC
L
SD
A
KEY_MISO
IRF
IRB
A0
1
A1
2
A2
3
Vss
4
SDA
5
SCL
6
WP
7
Vdd
8
U612
24LC16
DGND
3V3S
C657
100N SCL
SDA
DGND
R663B
120R
R663D
120R
R664C
120R
R6
50
B
12
0R
R6
50
C
12
0R
R6
50
D
12
0R
R6
50
A
12
0R
ST
B
Y
ACDET
IPOD_TX
DGND
IPOD_RX
M
M
_TX
M
M
_R
X
LED_B
FPCLKa
FPMOSIa
VFMISO
KEYMISOa
VFSTBa
KEYSTBa
IRFa
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
J602
To FPP Board
8VD
DGND
ENCAa
ENCBa
LED_B
1G
1
A1
2
1Y1
18
A2
4
1Y2
16
A3
6
1Y3
14
A4
8
1Y4
12
V
C
C
20
G
N
D
10
2G
19
B1
11
2Y1
9
B2
13
2Y2
7
B3
15
2Y3
5
B4
17
2Y4
3
U610
74LCX244
DGND
C650
100n
DGND
DGND
R659B
120R
R659C
120R
R659D
120R
R659A
120R
DGND
FPMOSI
FPCLK
VSTB
KEY_STB
R657B
120R
R657C
120R
R657D
120R
R657A
120R
IRF
ENCA
ENCB
KEY_MISO
EN
CA
EN
CB
VFMISO
FPCLK
FPMOSI
V
ST
B
VFMISO
A0
1
GND
2
A1
3
Y
4
Vcc
5
S
6
U609
NC7SZ157
DGND
MISO
Sel
3V3S
C647
100N
DGND
3V3S
3V3S
5
1
4
J605A
SCJ351-DS SW
C665
100nZ
R674
33KJ
232GND
trig i
TRIG
R671
100KJ
3V3S
b
e
c
Q604
DTC114
232GND
TRIG
STEREO
PLL_DO
PLL_CE
TUNERD
PLL_CLK
PLL_DI
R665A
120R
R665B
120R
R665C
120R
R665D
120R
R666
47K
R669
47K
3V3S
RDS_DATA
RDS_CLK
MUTE
D
A
C
_C
S
DAC_SCK
DAC_MOSI
R660A
120R
R660B
120R
R660D
120R
R661B
120R
R6
55
12
0R
R660C
120R
R661A
120R
R661C
120R
R661D
120R
C689
22N
R682
10R
AGND
DGND
-12VA
+12VA
3V3S
8VD
DGND
DGND
3V3D
3V3D
3V3D
3V3D
3V3D
R6
56
12
0R
C664
33U/25V
C661
100N
C663
33U/25V
G
1
O
U
T
2
IN
3
O
4
U613
AMS1117-3.3
DGND
C654
100N
C656
33U/25V
C653
100N
C655
33U/25V
_596
+5VS
+5VS
DGND
Q603
DTC114
DGND
STBY
25
21
J605B
SCJ351-DS SW
232GND
7
8
K603C
JRC-27F/012-S
C683
EMI100p
C684
EMI100p
DGND
DGND
R62
10K
R61
10K
3V3D
R64
10K
a1
1
gnd
2
a2
3
y2
4
vcc
5
y1
6
U61
NC7WZ17
C62
1N
C61
22U/6.3V
3V3S
232GND
FB61
600@100MHz
IPOD1_RX
IPOD1_TX
232GND
MIX_RST2
MIX_RST1
MM_TX
MM_RX
ETH_RST
+5VD
DGND
+5VD
R66
4.7K
232GND
AGND
AGND
C6001
10uF
C6002
10uF
ENC_Ent
er
ENC_Enter
1
2
3
4
5
6
7
8
9
10
P602
10pin, 2.54mm
DGND
8VD
-12VA
R143
1K
TRIG_DEC
Q6001
DTC114
a1
1
gnd
2
a2
3
y2
4
vcc
5
y1
6
U6001
NC7WZ16
C1011
100n
3V3S 232GND
D603
1SS352
3V3S
R140
2K
R141
20K
TRIGB
VFD_BUSYa
V
FD
_B
U
SY
a
TR
IG
B
3V3S
232GND
C_MUTE
Q1010
2SA1015
Q1011
2SC1815
R
1
3
5
2
1
2
K
R1345
4
K
7
+12VA
D1054
BAT54S
R1347
47K
C1443
100U/25V
C1444
47U/25V
AGND
+12VA
R1348
4k7
Q1007
DTC114EKA
AGND
Q1008
DTC114EKA
AGND
R
1
3
5
5
1
0
K
3V3S
MUTE
LED_A
LED_A
C6140
100pF
C6141
100pF
AGND
AGND
C6006
10UF/16V
C6007
10UF/16V
A
A
K
K
D119
MM3Z4V7T1G
MAIN BOARD - 1
Page 17