Digital Unit (14/14) - Denon AVR-4520CI Service Manual

1 2
TO BG TO BW
TO DIR/ADC TO AUDIO PLD
BH BX
TO 8U-310116(1/14) TO 8U-310116(2/14)
75 74
P13/D11
DSPMISO
P12/D10
R2101 33 76
DSPICLK
P11/D9
77
MHL_CABLE_DETS
P10/D8
78
R2102 33
SUB_TDI
P07/D7
79
P06/D6
80
P05/D5
81
P04/D4
SUB_TCK R2103 82
33
P03/D3
R2104 83
DIRRSTZ3 33
P02/D2
84
DIRRSTZ2
P01/D1
85
DIRRSTMAIN
P00/D0
86
DSP1RST
P107/AN7
87
DSP2RST
P106/AN6
88
DSPROMRST
P105/AN5
89
DSP2FLAG0
P104/AN4
90
DSP1FLAG0
P103/AN3
91
DSP1CS
P102/AN2
92
DSP2CS
P101/AN1
93
AVSS
94
DSP3RST
P100/AN0
C2103 0.1 95
VREF
96
C2104 1000P
AVCC
97
FRONT_RSTS
P97/SIN4
98
DSP3CS
99 P96/SOUT4
DSP3FLAG0
100 P95/CLK4
R2105 OPEN
P94/TB4
C2101
1 2
10P
R2106
1M
C2102
10P
GND POWER + POWER -
3
TO CE TO CA
TO MAIN DAC
TO_DSP_CONNECT
TO 8U-310116(4/14) TO 8U-310116(3/14) CB
CF
73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
P42 50
R2117 33
P43 49
P44 48
P45 47
R2115 10
P46 46 R2116 10
P47 45
P50/CE
44
P51
43
P52
42
P53
41
P54
U2101 40 R2118 4.7K
P55/EPM
39
R5F3650NNFB
P56
38
P57
37 R2119 33
(SUB)
P60/CTS0
36 R2120 33
P61/CLK0
35
P62/RXD0
34 R2121 33
P63/TXD0
33
P64/CTS1
32
P65/CLK1 31
P66/RXD1 30
R2122 33
P67/TXD1 29
R2123 10
P70/TXD2 28
R2124 10
P71/RXD2 27
P72/CLK2 26
P73/CTS2
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
STBY POWER
4 5
TO DY
TO EB
TO DE
TO_HDMI_RX TO_MAIN_CPU TO_HDMI_TX
TO 8U-310116(6/14) TO 8U-310116(13/14) TO 8U-310116(8/14)
EA DZ
R2134
R2135
R2129 R2136
OPEN
R2130 OPEN
R2131 OPEN
C2111
R2125 U2102
R2127
0.1
OPEN OPEN OPEN
4
DA NC 3
GND
2
VCC
5 SC 1
HDMI_ASEL
TX_INT1.
TX_INT2.
AVSCL
AVSDA
HINSELB
HINSELC
MHL_POWERS
CEC_I N
CEC_OUT
DV_POWER2
1TMDSSWRST
REQSOMI
CLKSIMO
SIMO
SOMI
HINSELA
SCPURXD
SCPUTXD
HSDA
HSCL
DA_POWER
R2132
4.7K
4 NC 3
DA
GND 2 R2133
CEC_I
5 SC VCC 1
C2112 1M
U2103
R2126 R2128
0.1
OPEN
OPEN
OPEN
Q2103
KRC402E-RTK
181
6 7
TO DQ TO DG
TO TO
TO DU
DIGITAL HDMI
CONNECT CONNECT TO RESET/SUPPLY
DF TO 8U-310116(11/14) TO 8U-310116(10/14) TO 8U-310116(12/14)
DV
4.7 K
4.7 K
4.7 K
R2141
OPEN
R2137
47K
R2138
1M
R2139
220K
SCLK
11
10
9
M/D
8
CE/DSP
7
CNVSS
6
GN D
5
RXD
4
3 TXD
2 3.3V
SUBRESET
1
N2101
Q2104
OPEN
KRA302E-RTK/P
Q2105
KRC402E-RTK
R2142
150K
SCHEMATIC DIAGRAMS (36/36)

DIGITAL UNIT (14/14)

8
A
B
C
D
E
8U-310116(14/14)
DIGITAL_UNIT
F