NAD M5 C/AH Service Manual - page 34
3.DECODE BOARD-DSP SECTION
VDT4
VDT5
VDT7
D7
D6
D5
D4
D3
D2
D1
D0
A8
A7
A6
A5
A4
A3
A2
A1
A0
VDT6
A[0..9]
D[0..7]
RS
V
1
D1.8V
D1.8V
D1.8V
X
RA
S
A1.8V
A1.8V
XWR
A9
XRD
S
T1
ST
2
S
T3
S
T4
XMWR
D
3.3V
XHAC0
XSHD0
DCK0
VEFG0
VDT0
VDT1
VDT3
VDT2
D1.8V
D1.8V
LPF
2
XRST
LD
M1
SLED
CLS_SW
OP
N
_
SW
OP
N
_S
W
C
L
S_SW
C
L
S_S
W
SPWM1
OPN_SW
DGND
DGND
FSCON
LDM1
SPWM2
LMT_SW
DGND
DGND
DGND
LD
M2
LDM2
DGND
LMT
_SW
LMT
_SW
DGND
DGND
XSPMUTE
R
SV
0
XFTSMUTE
B
UF
E
MP
MIRR
MIRR
A3.3V
RFAC
RFAC
MIRR
DFCT
DFCT
VC16
A3.3V
MIR
R
SE
J
M
O
UT
PI
PI
TE1
FE1
AMPMNT
AMPMNT
TE1
XRAS
XMWR
RD13
RD8
RD8
RD7
RD
15
RD15
RD4
RD
6
RD0
RD9
RD11
RD1
RD
2
RD
11
RD10
RD12
RD
3
RD5
RD3
RD2
RD[0..15]
RD
10
RD13
RD
14
RD1
RD6
RD12
RD0
RD5
RD14
RD4
XUCAS
XMOE
XMOE
XM
OE
XLCAS
RD9
XUCAS
XLCAS
XLC
AS
XUCAS
X
UC
A
S
XMOE
XLCAS
RA7
RA
0
RA
3
RA
2
RA5
RA
9
RA4
RA
4
RA6
RA3
RA
5
RA
7
RA9
RA[0..9]
RA
8
RA1
RA0
RA
1
RA
6
RA2
RA8
XINT
XRDY
XCS1
PL
CK
HDRQ0
D3.3V
D
3.3V
D3.3V
D3.3V
D3.3V
D3.3V
AMPSCK
AMPSCK
AMPSEN
AMPSEN
LDRSPD
TD
O
XSPM
U
TE
X
FT
SM
UT
E
LDON
CD/X
DV
D
C
L
VLOC
K
F
O
K
LD
O
N
CD/XDVD
E
DCN
G
TS
D-M
SY
NCL
O
CK
TSD-M
T
SD
-M
JMOUT
JM
O
UT
A3.3V
A3.3V
TSCON
V
MCHG
VMCHG
VMCHG
TC
K
TD
I
T
M
S
TR
S
T
AMPSDT
AMPSDT
LPF
1
MCK0
D3.3V
D3.3V
DGND
AGND
AG
ND
A1.8V
A1.8V
B
UFE
M
P
F
OK
DRVIRQ
G-
LI
NK
Vcc
1
DQ0
2
DQ1
3
DQ2
4
DQ3
5
Vcc
6
DQ4
7
DQ5
8
DQ6
9
DQ7
1
0
NC
1
1
NC
1
2
NC
1
3
WE
1
4
R
AS
1
5
NC
16
NC
1
7
A0
1
8
A1
1
9
A2
2
0
A3
2
1
Vcc
2
2
Vs
s
2
3
A4
2
4
A5
2
5
A6
2
6
A7
2
7
A8
2
8
A9
29
OE
3
0
UC
AS
3
1
LC
AS
32
NC
3
3
Vs
s
4
4
DQ1
5
4
3
DQ1
4
4
2
DQ1
3
41
DQ1
2
4
0
Vs
s
3
9
DQ1
1
3
8
DQ1
0
3
7
DQ9
36
DQ8
3
5
NC
3
4
IC20
M11L16161SA-45T
2
1
R440
33K
C471
0.047uF
C337
0.1uF
C401
0.1uF
C
40
2
0.1uF
/N
A
C
403
0.1uF
C
40
8
0.1uF
C409
0.1uF
C
407
0.1uF
C
406
0.1uF
C415
0.1uF
C416
0.1uF
C417
0.1uF
C418
0.1uF
C
47
3
150pF
C414
0.1uF
C412
0.1uF
C
405
0.1uF
C
460
0.022uF
C4
5
5
0.15uF
C4
5
6
100pF
C
459
0.022uF
C
45
7
100pF
C332
0.1uF
C
461
0.022uF
C453
330pF
C452
330pF
C338
0.1uF
C340
0.1uF
C339
0.1uF
C335
0.1uF
C336
0.1uF
C233
0.01uF
2
1
R429
10K
DVDD3
3
15
7
RD
<
8
>
15
8
TE
S
T<0>
159
TE
S
T<1>
160
TE
S
T<2>
16
1
TE
S
T<3>
162
TE
S
T<4>
16
3
TE
S
T<5>
164
TE
S
T<6>
165
TE
S
T<7>
166
TE
S
T<8>
167
TE
S
T<9>
168
TE
S
T<10>
16
9
TE
S
T<11>
17
0
TE
S
T<12>
171
TE
S
T<13>
172
TE
S
T<14>
17
3
TE
S
T<15>
17
4
MODSEL
<
0
>
175
MODSEL
<
1
>
17
6
DVSS
17
7
MODSEL
<
2
>
178
C
D/XDVD
(GI
O0
)
179
LDON
(GIO1
)
18
0
FT
SM
UT
E
(GI
O2
)
18
1
SPM
U
T
E
(G
IO
3
)
18
2
DVDD3
3
18
3
MIR
R
(GIO4)
18
4
ST
1
(G
IO
5
)
185
ST
2
(G
IO
6
)
18
6
ST
3(
GI
O
7)
18
7
DVDD1
8
18
8
ST
4
(G
IO
8/
TC
8
)
18
9
XTSD
-M
(GI
O9
/T
C
9
)
19
0
LD
M1
(G
IO
10
/T
C
10)
19
1
LD
M
2
(G
IO
11
/T
C
11)
19
2
CL
O
S
ES
W
(G
IO12
/I
N
T
)
19
3
DVS
S
19
4
O
P
EN
S
W
(G
IO
13
/IN
T)
19
5
IN
N
E
R
SW
(G
IO
1
4
/IN
T)
19
6
T
S
D-M
(G
IO
15/INT)
19
7
FOK
(G
IO1
6
)
19
8
RS
V
0(
G
IO1
7
)
199
R
SV1
(G
IO
18
)
200
B
U
F
E
M
P
(G
IO
19)
201
T
R
ST
202
TM
S
20
3
T
DI
204
T
C
K
20
5
TDO
20
6
VMC
HG
20
7
DVDD
18
20
8
DVDD33
1
ALCR
2
MSEL<0>
3
MSEL<1>
4
MA<0>
5
MA<1>
6
MA<2>
7
MA<3>
8
MA<4>
9
MA<5>
10
MA<6>
11
MA<7>
12
MA<8>
13
TESTSEL
14
MD<0>
15
MD<1>
16
MD<2>
17
MD<3>
18
MD<4>
19
MD<5>
20
DVSS
21
MD<6>
22
MD<7>
23
MALE
24
MCS
25
MWR
26
DVDD33
27
MRD
28
MRDY
29
MINT
30
SYSCK
31
DVDD18
32
XI
33
XO
34
DVSS
35
VDT<7>
36
VDT<6>
37
DVSS
38
VDT<5>
39
VDT<4>
40
VDT<3>
41
VDT<2>
42
VDT<1>
43
VDT<0>
44
HDRQ
45
XHAC
46
VEFG
47
XSHD
48
DCK
49
DRVIRQ
50
DRVRST
51
DVDD18
52
AVDD
1
8
104
VR
EF
L
10
3
VR
EFH
102
R
SV_
AD1
(AD9
)
101
RS
V
_
AD0
(AD8
)
100
JI
T
T
(AD7
)
99
VR
E
FC
(AD6
)
98
AMPMN
T
(AD
5
)
97
TILTIN
(AD4)
96
SE
(AD3
)
95
AVDD
3
3
94
FSUM
(AD
2
)
93
TE
(AD
1)
92
FE
(AD0
)
91
AVSS
90
AVSS
89
RC
88
L
PF2
87
L
PF1
86
V
C
OI
85
AVDD
1
8
84
VFB
C
83
CH
G
82
JM
OUT
81
JM
RE
F
80
AVDD
3
3
79
IRE
F
78
TLC
1
77
TLC
0
76
HF
75
ATC
74
AVSS
73
DTC
72
MIR
R
OR
H
71
HF
D
70
RF
OKGH
69
SCL
K
H
68
S
O
67
SI
66
CSL
65
EXP
L
DT
64
EXVC
O
63
BC
K
62
L
RCK
6
1
DO
T
X
60
DADT
5
9
C
2
OP
5
8
D
R
V
RD
Y
5
7
D
R
V
C
L
K
5
6
DR
V
R
X
55
D
R
V
TX
54
DVDD3
3
5
3
DVDD18
156
RD<9>
155
RD<10>
154
RD<11>
153
RD<12>
152
RD<13>
151
RD<14>
150
RD<15>
149
RD<0>
148
RD<1>
147
RD<2>
146
RD<3>
145
RD<4>
144
RD<5>
143
DVSS
142
RD<6>
141
RD<7>
140
XMWR
139
XRAS
138
RA<0>
137
DVDD18
136
RA<1>
135
RA<2>
134
RA<3>
133
RA<4>
132
DVDD33
131
RA<5>
130
RA<6>
129
RA<7>
128
RA<8>
127
RA<9>
126
DVSS
125
RA<10>
124
RA<11>
123
XMOE
122
XUCAS
121
XLCAS
120
GPWM<5>
119
GPWM<4>
118
GPWM<3>
117
GPWM<2>
116
GPWM<1>
115
GPWM<0>
114
SPWM2
113
SPWM1
112
FG
111
AVSS
110
SLED2_TILT (DA3)
109
FSCON (DA2)
108
SLED (DA1)
107
TSCON (DA0)
106
AVDD33
105
IC18
CXD1885Q
C410
0.1uF
2
1
R
448
150K
2
1
R4
4
6
47K
2
1
R
445
47K
2
1
R
447
470R
2
1
R4
44
4
7
K
2
1
R
443
100K
2
1
R4
4
2
22K
2
1
R
431
1.8K
2
1
R43
2
1.8K
2
1
R
43
3
68K
2
1
R441
33K
2
1
R449
1.5K
2
1
R427
10K
2
1
R426
10K
1
2
C464
22uF/6.3V
1
2
C465
22uF/6.3V
1
2
C467
22uF/6.3V
1
2
C468
22uF/6.3V
1
2
C475
100uF/16V
1
2
3
4
5
6
7
8
RM12
10Kx4
2
1
R453
NM
A1.8V
A3.3V
DGND
DGND
D3.3V
DGND
DGND
DGND
D3.3V
D1.8V
VC16
DGND
VC16
DGND
MCK
HF
HDRQ
DGND
SD
0
SD
1
S
D2
S
D
3
S
D4
SD
5
SD
6
SD
7
SD[0..7]
XSAK
SDEF
XSHD
SDCK
XSRQ
C
334
0.1uF
C404
0.1uF
DRVTX
CDCLK
DRVIRQ
DRVRDY
CDFRM
CDDAT
DRVRX
DRVRST
DRVCLK
CDERR
DGND
DGND
DGND
DGND
DGND
A8
A7
A6
A5
A4
A3
A2
A1
A0
A9
D7
D6
D5
D4
D3
D2
D1
D0
XWR
XRD
XINT
XRDY
XCS1
DGND
A[0..9]
D[0..7]
XWR
XRD
XRST
XINT
XRDY
XCS1
DGND
OUT
5
GND
7
NC
1
Vcc
8
X4
33.8688MHz
C411
0.1uF
2
1
R455
68R
2
1
R456
68R
2
1
R458
220R
2
1
R457
220R
DVD/SACD
XFTSMUTE
XSPMUTE
TSD-M
LDM1
LDM2
CLS_SW
OPN_SW
LMT_SW
TSCON
SLED
FSCON
SPWM1
SPWM2
SPWM1
SPWM2
RFAC
TEO
FEO
PI
SPEED_SP
AMPMNT
CD/XDVD
LDON
AMPSEN
AMPSDT
AMPSCK
DFCT
MIRR
SPEED_SP
SPEED_SP
LDON
CD/XDVD
LDRSPD
Falseta DSP BLOCK
To RF Block
SD[0..7]
SPEED_SP
VC16
AGND
DGND
VC16
AGN
D
SLED
FSCON
TSCON
SPWM1
SPWM2
RD
7
D3.3V
D1.8V
D3.3V
D3.3V
D1.8V
D
1.8V
L32
PCB Coil
A1.8V
DGND
DGND
SDEF
XSAK
SDCK
XSHD
XSRQ
CDCLK
CDFRM
CDDAT
CDERR
CDDAT
CDCLK
CDFRM
CDERR
XMSLAT
MSREADY
MSCK
MSDATAO
XRST
SMUTE
MSDATAI
DGND
MUTE_DAC
PLCK
To DSD Block
To Power & Drivers Block
XMSLAT
MSCK
MSDATAI
MSDATAO
MSREADY
XRST
SMUTE
MUTE_DAC
MCK
PLCK
XMSLAT
MSCK
MSDATAI
MSDATAO
MSREADY
XRST
SMUTE
MUTE_DAC
XTAL_O
XTAL_I
XWR
XRD
XINT
XRDY
XCS1
DGND
RA7
RA5
RA4
RA6
RA3
RA9
RA1
RA0
RA2
RA8
RD13
RD7
RD15
RD9
RD11
RD10
RD12
RD3
RD2
RD1
RD6
RD0
RD5
RD14
RD4
SLED
FSCON
TSCON
XUCAS
XLCAS
XMOE
CLS_SW
OPN_SW
LDM1
LMT_SW
LDM2
XSPMUTE
XFTSMUTE
MIRR
LDON
CD/XDVD
TSD-M
TDO
TCK
TD
I
T
MS
TRS
T
R
SV
1
R
SV0
5V
2
1
R454
2.2R
VDT4
VDT5
VDT7
VDT6
VDT0
VDT1
VDT3
VDT2
HDRQ
XRST
D3.3V
VCC
1
TDO
2
TDI
3
XENABLE
4
NC
5
TMS
6
GND
7
TCK
8
CN15
CON8*2.54
D3.3V
D3.3V
TDO_PLD
TDI_PLD
TMS_PLD
TCK_PLD
DGND
1
2
C466
22uF/6.3V
1
2
D25
1SS355
1
2
D24
1SS355
2
1
R
42
8
10K
GND
1
TDO
2
TCK
3
TCI
4
TMS
5
GND
6
TRST
7
NC
8
CN17
8 pin 1mm pitch FFC Header/NA
DGND
IN_1
1
GND
3
IN_2
2
OUT
4
V
C
C
5
IC19
NM
DGND
1
2
3
4
5
6
7
8
RM13
10Kx4
1
2
3
4
5
6
7
8
RM14 10Kx4
1
2
3
4
5
6
7
8
RM15
10Kx4
1
2
3
4
5
6
7
8
RM16
10Kx4
1
2
3
4
5
6
7
8
RM17
10Kx4
D3.3V
2
1
R4
3
0
10K
R420
NM
R365
10K
GND
6
TDI
4
VDT_COR_0
1
VDT_COR_1
2
VDT_COR_2
3
VDT_COR_3
8
VDT_COR_4
9
VDT_COR_5
10
VDT_COR_6
11
VDT_
C
O
R
_
7
12
MCLKI
5
HDR
Q
_C
O
R
3
7
V
EFG_C
O
R
43
XSHD_
C
OR
4
1
D
C
K
_
C
OR
4
4
XHAC
_
C
OR
4
2
I/O 25
31
TMS
26
TCK
7
I/
O
1
6
1
8
VDT_
D
EC
_0
1
3
VD
T
_
DE
C
_
1
14
VD
T
_D
E
C
_
2
1
5
VDT_
D
EC
_
3
19
V
cc
16
GND
1
7
VD
T
_D
E
C
_
4
2
0
VD
T
_
D
EC
_5
21
VD
T
_
D
EC
_
6
2
2
VDT_DEC_7
23
GND
28
I/O 26
32
TDO
29
NRST
30
HDRQ_DVD
25
SEL
24
GND
3
9
V
cc
38
DC
K_
DEC
3
6
I/
O
0
4
0
VE
FG
_
D
E
C
3
5
HDRQ_DEC
27
XSHD_DEC
33
XHAC
_
DE
C
3
4
IC17
PLD M4A3-64/32
TDI_PLD
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
DGND
2
1
R
450
0R
2
1
R45
1
NM
VDT4
VDT5
VDT7
VDT6
VDT0
VDT1
VDT3
VDT2
MCK_PLD
XH
A
C0
XSH
D
0
DCK
0
VEF
G
0
HDR
Q0
S
DE
F
XSAK
SD
C
K
XSHD
DVD/SACD
SD7
TMS_PLD
XSRQ
TDO_PLD
DGND
XRST_PLD
XRST_PLD
DGND
D
G
ND
TCK_PLD
D3.3V
XRST
DRV
RS
T
DRVTX
CDCLK
DRVIRQ
DRVRDY
CDFRM
CDDAT
DRVRX
DRVRST
DRVCLK
CDERR
DR
V
TX
CDC
LK
DR
V
RD
Y
CD
F
RM
CDD
A
T
DRV
R
X
DRVRST
DR
VC
LK
CD
E
R
R
DG
N
D
DG
ND
DG
ND
DG
ND
A
M
PSC
K
A
M
PSE
N
A
M
PSD
T
MIRR
DFCT
AGN
D
D1.8V
PI
AM
P
MNT
SPEED
_SP
A3.3V
V
C
16
VR
E
F
L
VR
EF
H
SE
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
H_VDT0
H_VDT1
H_VDT2
H_VDT3
H_VDT4
H_VDT5
H_VDT6
H_VDT7
H_XHAC
H_HDRQ
H_XSHD
H_VERR
H_DSTB
A
1.8V
SDEF
XSAK
SDCK
XSHD
DGND
DGND
FB5 FERB
Vcc
5V
DGND
R25
33R/NC
Q1
A1015
D3.3V
R26
4K7
DGND
3-25
3-26