Dsp Circuit Diagram - NAD M55 Service Manual

3.DSP CIRCUIT DIAGRAM

To RF Block
AMPSEN
AMPSDT
AMPSCK
DFCT
MIRR
RFAC
TEO
FEO
PI
AMPMNT
CD/XDVD
LDON
1
DGND
A1.8V
D1.8V D1.8V
D3.3V D3.3V
DGND
DGND
VC16 VC16
AGND
AGND
TSCON
SLED
FSCON
SPWM1
SPWM2
LDRSPD
SPEED_SP
XFTSMUTE
XSPMUTE
TSD-M
LDM1
LDM2
CLS_SW
OPN_SW
LMT_SW
To Power & Drivers Block
1 2
1 2
VC16
A3.3V A1.8V
1 2
AGND
AGND
105
AVDD33
106
TSCON (DA0)
107
SLED (DA1)
108
FSCON (DA2)
109
SLED2_TILT (DA3)
110
AVSS
111
FG
112
SPWM1
113
SPWM2
114
GPWM<0>
115
GPWM<1>
116
GPWM<2>
117
GPWM<3>
118
GPWM<4>
2 119
GPWM<5>
120
XLCAS
121
XUCAS
122
XMOE
123
RA<11>
124
RA<10>
125
DVSS
126
RA<9>
127
RA<8>
VC16 128
RA<7>
129
RA<6>
130
RA<5>
131
DVDD33
132
RA<4>
133
RA<3>
134
RA<2>
135
RA<1>
136
DVDD18
137
RA<0>
138
XRAS
139
XMWR
140
RD<7>
141
RD<6>
142
DVSS
143
RD<5>
144
RD<4>
145
RD<3>
146
RD<2>
147
RD<1>
148
RD<0>
149
RD<15>
150
RD<14>
151
RD<13>
152
RD<12>
153
RD<11>
154
RD<10>
155
RD<9>
D3.3V 156
DVDD18
1 2
DGND
DGND
3-32
AGND
AGND
1 8
2 7
3 6
4 5
DGND
52
DVDD18
51
DRVRST
50
DRVIRQ
49
DCK
48
XSHD
47
VEFG
46
XHAC
45
HDRQ
44
VDT<0>
43
VDT<1>
42
VDT<2>
41
VDT<3>
40
VDT<4>
39
VDT<5>
38
DVSS
37
VDT<6>
36
VDT<7>
35
DVSS
34
XO
33
XI
32
DVDD18
31
SYSCK
30
MINT
29
MRDY
28
MRD
27
DVDD33
26
MWR
25
MCS
24
MALE
23
MD<7>
22
MD<6>
21
DVSS
20
MD<5>
19
MD<4>
18
MD<3>
17
MD<2>
16
MD<1>
15
MD<0>
14
TESTSEL
13
MA<8>
12
MA<7>
11
MA<6>
10
MA<5>
9
MA<4>
8
MA<3>
7
MA<2>
6
MA<1>
5
MA<0>
4
MSEL<1>
3
MSEL<0>
2
ALCR
1
DVDD33
DGND
1 33
VDT_COR_0 XSHD_DEC
2 32
VDT_COR_1 I/O 26
3 31
VDT_COR_2 I/O 25
4 30
TDI NRST
5 29
MCLKI TDO
6 28
GND GND
7 27
TCK HDRQ_DEC
8 26
VDT_COR_3 TMS
9 25
VDT_COR_4 HDRQ_DVD
10 24
VDT_COR_5 SEL
11 23
VDT_COR_6 VDT_DEC_7
D3.3V
DGND
2
Vcc 5V
IN_2
4
OUT
IN_1
5V
2 1
DGND
DGND
1 2 2 1
5 7 2 1
OUT GND
8 1
Vcc NC
DGND 2 1
DGND
D3.3V
D1.8V
DGND
8
NC
7
TRST
6
GND
5
TMS
4
TCI
3
TCK
2
TDO
1
GND
DGND
3-33
H_CDDAT
H_CDCLK
H_CDFRM
H_CDERR
H_DRVRDY
H_DRVCLK
H_DRVRX
H_DRVTX
H_DRVRST
H_DRVIRQ
H_MUTE
H_DVD/SACD
H_SMUTE
RST#
H_MSREADY
H_MSDATAO
H_MSDATAI
H_MSCK
H_XMSLAT
CDDAT
CDCLK
CDFRM
CDERR
XMSLAT
MSCK
MSDATAI
MSDATAO
MSREADY
XRST
SMUTE
MUTE_DAC
MCK
PLCK
XSRQ
SDCK
XSHD
SDEF
XSAK
SD[0..7]
H_DSTB
H_XSHD
H_VERR
H_XHAC
1
H_HDRQ
H_VDT0
2 H_VDT1
H_VDT2
H_VDT3
1
H_VDT4
H_VDT5
H_VDT6
H_VDT7
D3.3V
1
VCC
2
TDO
3
TDI
4
XENABLE
5
NC
6
TMS
7
GND
8
TCK
30
VMCHG
29
XRST
28
DGND
27
A0
26
A1
25
A2
24
A3
23
A4
22
DGND
21
A5
20
A6
19
A7
18
A8
17
A9
16
DGND
15
D0
14
D1
13
D2
12
D3
11
DGND
10
D4
9
D5
8
D6
7
D7
6
DGND
5
XCS1
4
XWR
3
XRD
2
XRDY
1
XINT
DGND
D3.3V
Falseta DSP BLOCK