NAD T748 Service Manual page 50

SCHEMATIC DIAGRAM (DSP PART)
HDMI_S0/DL0
HDMI_S1/DR0
HDMI_S2/DR1
HDMI_S3/DL1
CODEC_SD
BCLK
LRCK
MCLK1
DSP_AMUTO
DSP1_INT
DSP1_RST
_TRST
TMS
C2010 470P
C2011
15P
C2013
15P
C2012 470P
L2016
BEAD
TDO
_EMU0
_EMU1
TCK
TDI
CN122
4 3 2 1
8 7 6 5
R2064
OPEN
C2002 C2001
0.1 0.1
VSS
R2001
AHCLKX0/2
AMUTE0
OPEN
AMUTE1
R2003
AHCLKX1
10K VSS
R2004
ACLKX1
10K CVDD
R2005
ACLKR1
DVDD
10K
AFSX1
R2007
AFSR1
10K VSS
_RESET
VSS
CVDD
IC201
R2009 CLKIN
TMS320DA788B
0 VSS
TMS
AUDIO DSP
CVDD
_TRST
OSCVSS
R2014 1M OSCIN
OSCOUT
R2015 270
OSCVDD
VSS
PLLHV
TDI
TDO
VSS
DVDD
_EMU0
CVDD
_EMU1
TCK
VSS
C2018 C2019
0.1 0.1
C2020 C2021
0.1 0.1
4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3
8 7 6 5 8 7 6 5 8 7 6 5 8 7 6 5 8 7 6 5 8 7
C2104 0.1/16V
DSP1_RST
R2106 10K
R2105 10K
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
C2107
0.1/16V
+3V3-1
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
TCK
_EMU1
_EMU0
TDO
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
TDI
TMS
_TRST
C2125 C2126
0.1/16V 0.1/16V
2-44
DOUT1-[00:08]
DOUT1-00
DOUT1-00
DOUT1-01
DOUT1-01
* BOOT MODE SETTING
DOUT1-03 DOUT1-03
BOOT MODE SPIO_SOMI SPIO_SIMO SPIO_CLK DOUT1-04
DOUT1-04
IROM 0 0 0 DOUT1-05
DOUT1-05
PARALLEL FLASH 0 1 0 DOUT1-06
DOUT1-06
SPIO SLAVE(16BIT) 0 1 1
0
DOUT1-00 R2401 DOUT2-06
DOUT1-01 R2402 0
DOUT2-07
DOUT1-03 R2403 0
DOUT2-00
0
DOUT1-04 R2404
+3V3-1 DOUT2-01
DOUT1-05 R2405 0
DOUT2-02
0
DOUT1-06 R2406 DOUT2-03
C2040 C2039
0.1 0.1
R2037 0
DSP_SPI_DO +5V6_SYS
R2038 0
DSP_SPI_DI
0
SPI0_CLK R2036
DSP_SPI_CLK
_SPI0_SCS R2035 0 D2151 D2152 L2153
DSP1_CS
VSS R2034
0
DSP1_ENA 1SR159-200 1SR159-200 BEAD
_SPI0_ENA
_EM_OE
DVDD
T2011
EM_RW
RX210
C2032 C2033 100X4
CVDD
_EM_CS2 0.1 0.1 MEM1-09
VSS MEM1-08
_EM_RAS MEM1-02
+2.5VH1
_EM_CS0 MEM1-00
EM_BA0
D2161 L2154
VSS EA1-12
EM_BA1 EA1-13 SS34SR BEAD
EM_A10 EA1-10
DVDD EA1-00
EM_A0
RX209
CVDD
100X4
EM_A1 EA1-01
EM_A2 EA1-02
VSS EA1-03
EM_A3 EA1-04
CVDD
RX208 +1V25-1 +3V3-1
EM_A4
100X4
EM_A5
RX207
VSS 100X4
DVDD EA1-05
EM_A6 EA1-06
EM_A7 EA1-07
VSS EA1-08
CVDD
EM_A8 IC217
S-80810CNNB
EM_A9
EM_A11
VSS
DVDD
VDD
C2030 C2031
0.1 0.1
2 1
6 5
ED1-[00:15]
MEM1-[00:09]
EA1-[00:21]
R2103 10K
R2102
10K
R2101 10K
R2108
10K
5 4 3 2 1
44 45 46 47 48
8 7 6 5 4 3 2 1
47 48 49 50 51 52 53 54
C2127
0.1/16V
IC219 3.3V
HVILM1117S-3V3
3 2 +3V3-1
In Out
1
IC216 1V25
CVIKIA1117F00RTFP
3 2
IN OUT +1V25-1
GND
1
DSP1_RST
IC218
S-80810CNNB
VSS
VDD
2-45