NAD M5 C/AH Service Manual - page 33
2. DECODE BOARD-ES6168 SECTION
LA0
LA1
LA2
LA3
LA4
LA5
LA6
LA7
LA8
LA9
LA10
LA11
LA12
LA13
LA14
LA15
LA16
LA17
LA18
LA19
LA21
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
HWRQ#
XOUT
XIN
HIORDY
HRST#
HA2
RST#
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DMA11
DMA10
DMA9
DMA8
DMA7
DMA6
DMA5
DMA4
CKE
CS0#
RAS0#
DQMX
BANK0
BANK1
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DB[0..15]
MA[0..11]
CAS#
WE#
CLK
LA0
LA1
LA2
LA3
LA4
LA5
LA6
LA7
LA8
LA9
LA10
LA11
LA12
LA13
LA14
LA15
LA16
LA17
LOE#
LCS3#
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD[0..7]
LA18
LA19
LA[0..19]
RST#
TRIG_O/F
HD11
HD10
HD9
HD8
HD7
HD6
HD5
HD4
HD2
HD1
HD0
HA1
HA0
DRST#
DRD#
DWR#
DWRQ#
DA0
DA1
HCS3#
HCS1#
HIOCS16#
27M
27M
LD8
LD9
LD10
LD11
LD12
LD13
LD14
LD15
WRHL#
WRLL#
LCS2#
DD14
DD12
HD13
DD15
DD0
DD13
HD14
DD3
DD4
DD8
HD15
DD5
DD6
DD9
DD1
DD7
DD10
DD2
DD11
HD3
DIRQ
+12V_O/F
LCS2#
MA9
MA5
MA3
MA0
MA2
MA4
DMA1
MA11
MA1
MA8
MA1
MA6
MA2
MA10
MA7
MA10
MA3
MA0
DMA2
MA8
MA7
MA5
DMA3
MA6
MA4
MA11
MA9
DMA0
HIRQ
HRD#
HWR#
1
8
2
7
3
6
4
5
RP8
33x4
R55
OPEN
1
8
2
7
3
6
4
5
RP9
33x4
1
8
2
7
3
6
4
5
RP10 33x4
FB3
FERB
1
8
2
7
3
6
4
5
RP11 33x4
FB2
FERB
R83
33R
R75
OPEN
R48
4.7K
R85
33R
R69
0R
1
8
2
7
3
6
4
5
RP13 10x4
R86
33R
R82
4.7K
R103
10R
R89
33R
R90
33R
R44
OPEN
R74
4.7K
1
8
2
7
3
6
4
5
RP15 47x4
R107
1K
1
8
2
7
3
6
4
5
RP16
47x4
R94
33R
R95
33R
R108
1K
1
8
2
7
3
6
4
5
RP7
33x4
C22
OPEN
(15PF)
R87
33R
VCC
1
DQ0
2
DQ1
4
VSSQ
6
DQ2
5
DQ3
7
VCCQ
3
DQ4
8
DQ5
10
VSSQ
12
DQ6
11
DQ7
13
VCCQ
9
DQML
15
WE
16
CAS
17
RAS
18
CS
19
A11
35
A10
22
A0
23
A1
24
A2
25
A3
26
VCC
14
VSS
28
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
NC
36
CKE
37
CLK
38
DQMH
39
NC
40
VCCQ
43
DQ8
42
DQ9
44
VSSQ
46
DQ10
45
DQ11
47
VCCQ
49
DQ12
48
DQ13
50
VSSQ
52
DQ14
51
DQ15
53
VSS
41
BA0
20
BA1
21
VCC
27
VSS
54
U13
GLT5640L16(9ns)
C20
OPEN
(15PF)
1
8
2
7
3
6
4
5
RP12 10x4
R59
OPEN
R58
OPEN
R50
4.7K
HD0/DCI[0]/EAUX1[0]
122
DCS0
100
HD1/DCI[1]/EAUX1[1]
123
YUV0/UDAC
106
HD2/DCI[2]/EAUX1[2]
124
VC
25
9
HD3/DCI[3]/EAUX1[3]
125
YUV1/VREF
107
HD4/DCI[4]/EAUX1[4]
126
VC
25
35
HD5/DCI[5]/EAUX1[5]
127
YUV2/CDAC
108
HD6/DCI[6]/EAUX1[6]
128
VC
33
1
HD7/DCI[7]/EAUX1[7]
131
YUV3/COMP
109
HD8/DCI_FDS/EAUX2[0]
132
AVC
C
(VDAC
)
111
HD9/EAUX2[1]
133
YUV4/RSET
110
HD10/EAUX2[2]
134
VC
25
83
HD11/EAUX2[3]
135
YUV5/YDAC
113
HD12/EAUX2[4]
136
VC
33
18
HD13/EAUX2[5]
137
YUV6/VDAC
114
HD14/EAUX2[6]
140
VC
25
121
HD15/EAUX2[7]
141
YUV7/FDAC
115
VC
25
139
VC
33
27
VC
25
172
VC
25
44
VC
33
59
VC
33
68
VC
33
75
VC
33
92
VC
33
99
AVC
C
(PL
L
)
51
VC
33
104
VC
33
130
VC
33
148
VC
33
157
VC
33
159
VC
33
164
VC
33
183
VC
33
193
VC
33
201
VSS
129
DMA0
53
LA4
2
DMA1
54
DMA2
55
LA5
3
DMA3
56
LA6
4
DMA4
57
LA7
5
DMA5
58
LA8
6
LA9
7
VSS
8
LA10
10
LA11
11
LA12
12
LA13
13
LA14
14
LA15
15
LA16
16
VSS
17
LA17
19
LA18
20
LA19
21
LA20
22
LA21
23
RESET
24
TD
MD
X
/RS
EL
25
VSS
26
TD
MD
R
28
TD
M
C
LK
29
TD
M
F
S
30
TD
M
T
SC
31
TWS/SEL_PLL2
32
TSD0/SEL_PLL0
33
VSS
34
TSD1/SEL_PLL1
36
TSD2
37
TSD3
38
MCLK
39
TBCK
40
SPDIF/SEL_PLL3
41
NC
/C
AM
VS
42
VSS
43
RSD
45
46
47
CA
MY
U
V
2
48
XIN
49
XOUT
50
AVSS(PLL)
52
VSS
60
DMA6
61
DMA7
62
DMA8
63
DMA9
64
DMA10
65
DMA11
66
VSS
67
DCAS
69
DSCK/DOE
70
DWE
71
DRAS0
72
DBANK0/DRAS1
73
DBANK1/DRAS2
74
VSS
76
DB0
77
DB1
78
DB2
79
DB3
80
DB4
81
DB5
82
VSS
84
DB6
85
DB7
86
DB8
87
DB9
88
DB10
89
DB11
90
VSS
91
DB12
93
DB13
94
DB14
95
DB15
96
DCS1
97
VSS
98
DQM
101
DSCK
102
VSS
103
CLK
105
AVSS(VDAC
)
112
PCLK2XSCN/CAMYUV4
116
PCLKQSCN/CAMYUV5/AUX3[2]
117
VSSCN/CAMYUV6/EAUX3[1]
118
HSSCN/CAMYUV7/EAUX3[0]
119
VSS
120
VSS
138
HWRQ/DCI_REQ/EAUX4[1]
142
HRDQ/EAUX4[0]/CAMYUV3
143
HIRQ/DCI_ERR/EAUX4[7]
144
HRST/EAUX3[5]
145
HIORDY/EAUX3[3]
146
VSS
147
HWR/DCI_CLK/EAUX4[5]
149
HRD/DCI_ACK/EAUX4[6]
150
HIOCS16/CAMPCLK/EAUX3[4]
151
HCS1FX/EAUX3[7]
152
HCS3FX/EAUX3[6]
153
HA0/EAUX4[2]
154
HA1/EAUX4[3]
155
VSS
156
HA2/EAUX4[4]
158
AUX0
160
AUX1
161
AUX2
162
VSS
163
AUX3
165
AUX4
166
AUX5
167
AUX6
168
AUX7
169
LOE
170
VSS
171
LCS0
173
LCS1
174
LCS2
175
LCS3
176
VSS
177
LD0
178
LD1
179
LD2
180
LD3
181
LD4
182
VSS
184
LD5
185
LD6
186
LD7
187
LD8
188
LD9
189
LD10
190
LD11
191
VSS
192
LD12
194
LD13
195
LD14
196
LD15
197
LWRLL
198
LWRHL
199
VSS
200
C
A
M
YUV0
202
CA
MY
U
V
1
203
LA0
204
LA1
205
LA2
206
LA3
207
VSS
208
U10
ES6168
R73
4.7K
R105
33R
R37
OPEN
R77
OPEN
R92
0R
1
8
2
7
3
6
4
5
RP6
33x4
C23
OPEN
(150PF)
R104
33R
R67
for eprom
R76
OPEN
R70
0R
R68
for eprom
R49
4.7K
S0
1
S1
2
S2
3
GND
4
SDA
5
SCL
6
WC
7
VCC
8
U14
24LC16A/MICCHIP
1
8
2
7
3
6
4
5
RP14 10x4
C21
OPEN
(22PF)
RESET
1
CLK/CE1
2
WE
3
ADDR/CE1
4
U12
ROM EMULATOR SOCKET
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
29
A15
3
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
A16
2
CE
22
OE
24
A18
31
A17
30
A19
1
VCC
32
GND
16
U11
27C040/080-90 NA
R52
OPEN
R93
0R
R57
OPEN
R56
OPEN
R91
33R
VCC33
VCC20
VCC33
VCC33E
VCC33P
VCC
VCC
VCC
VCC33
VCC33
VCC33
VCC
VCC33
VCC
VCC
VCC
VCC
VCC33
AUX5
MCLK
DD[0..15]
DRST#
DRD#
DWR#
DWRQ#
EAUX34
EAUX37
EAUX36
DIRQ
DA0
DA1
EAUX44
WRHL#
TDM-DATA
TDM-CLK
TDM-FS
EAUX33
RST#
EAUX40
ES6168
+5V
IR
GND
VFD-CLK
VFD-CS
VFD-DATA
VFD+REMOTE INTERFACE
SERIAL EEPROM
4MBIT EPROM/FLASH
8MBIT EPROM
32/64MBIT SDRAM
4-PIN EXTENSION FOR ROM EMULATOR INTERFACE
(4.7K)
(4.7K)
LCS3#
LA4
LA8
LA3
LOE#
LA13
LCS2#
LD2
LA2
LA11
LA7
LD5
LA17
LA1
LA15
RST#
LA5
LA9
LD7
LD0
LA14
LA12
LD3
LA18
LD1
LD4
LA16
LD6
LA10
LA6
LA19
LD14
LD13
LD12
LD11
LD10
LD9
LD8
WRHL#
WRLL#
LA0
LD15
R64
open
R61
0R
R15
OPEN
R71
0R
R51
0R
R14
OPEN
R12
OPEN
R60
0 OHM
R11
OPEN
R62
0 OHM
VCC
VCC33
MBM2
9
L
V1
6
0
D
OE
1
Q0
2
D0
3
D1
4
Q1
5
Q2
6
D2
7
D3
8
Q3
9
GND
10
CP
11
Q4
12
D4
13
D5
14
Q5
15
Q6
16
D6
17
D7
18
Q7
19
VCC
20
U16
74HCT374
LCS1#
LD8
LD9
LD10
2
1
D
L
1
1
D
L
LD13
LD14
LD15
CP1#
VCC
C108
0.1U
VCC
GND
DGND
SPDIF
R78
4.7K
TRIG_O/F
+12V_O/F
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7
IR IN
R88 33 OHM
VCC
B2
0.1UF
B52
10UF/16V
VCC
EPROM
B34
0.1UF
B58
10UF/16V
B56
10UF/16V
B32
0.1UF
B30
0.1UF
B35
0.1UF
VCC33
SDRAM
B27
0.1UF
B28
0.1UF
B4
0.1UF
B26
0.1UF
B53
10UF/16V
B54
10UF/16V
B29
0.1UF
ES6168 DECOUPLING CAPACITORS
B36
0.1UF
B57
10UF/16V
B33
0.1UF
B55
10UF/16V
VCC33E
VCC33P
B31
0.1UF
VCC
24C01
STANDBY
R72
0R
LA20
LA20
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A19
9
NC
10
W
11
RP
12
VPP
13
DU/WP
14
NC
15
NC
16
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
E
26
GND
27
G
28
DQ0
29
DQ8
30
DQ1
31
DQ9
32
DQ2
33
DQ10
34
DQ3
35
DQ11
36
VCC
37
DQ4
38
DQ12
39
DQ5
40
DQ13
41
DQ6
42
DQ14
43
DQ7
44
DQ15/A_1
45
GND
46
BYTE
47
A16
48
U6
MX29LV160ABTC-70
LA20
LA21
LED_POWER
VFD_CS
VFD_CS
DAC_CS
DAC_CS
SC
L
SDA
LED_POWER
Q2
NC/8050
STANDBY
DD14
DD12
DD15
DD0
DD13
DD3
DD4
DD8
DD5
DD6
DD9
DD1
DD7
DD10
DD2
DD11
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
DD8
DD9
DD10
DD11
DD12
DD13
DD14
DD15
R143
0R
HD12
P/I SELECT
R145
47R
VCC20
HA2
LED_POW
GND_RF
gnd
1
RST
2
Vcc
3
U9
TCM809M
ADJ
1
VOUT
2
VIN
3
VOUT
4
U19
LM1117MP-ADJ
R505
121R 1%
R506
75R 1%
VCC33
VCC20
2
1
R435
0R
PGND
(4.7K)
FLASH: INSTALL R51 REMOVE R64
EPROM: INSTALL R64 REMOVE R51
1
2
3
4
5
6
7
8
9
10
11
12
J3
S12B-PH-SM3-TB
GND
-22V
VF+
VF-
NC
-22V
VF+
VF-
-22V
VF+
VF-
FROM PSU BOARD
B12
0.1UF
VCC
MC
AUDIO DAC MODE CONTROL
VFD_CS
LED_POWER
AUX5
SC16C550 RESET
R5
390R
C1
0.1u
C2
0.1u
VCC33E
VCO
R17 NC
MUTE
R18
0R
TWS
TBCK
TSD3
S
1
I0a
2
I1a
3
Za
4
I0b
5
I1b
6
Zb
7
GND
8
Zd
9
I1d
10
I0d
11
Zc
12
I1c
13
I0c
14
OE
15
Vcc
16
U21
74AC257/NA
VCC
PCM/DSD
R19 NC
R20
0R
VCC33
TSD31
TWS1
TBCK1
TWS1
TSD31
TBCK1
PCM/DSD
C3
0.1U
(22PF)
OUT
5
GND
7
NC
1
Vcc
8
Y3
27MHz
B11
0.1UF
R21
2R2
VCC33
R22
68R
XIN
mute
R16 0R
mute
R27
4.3K
VCC33
B1
10UF/16V
B3
10UF/16V
3-23
3-24