Denon avr-s720w, Руководство по обслуживанию

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1. IC's
ADV7623 (DIGITAL_HDMI_ADV7623 : IC731)
ADV7623
TOP VIEW
(Not to Scale)
PIN 1
1 DDCC_SCL
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
73
DVDDIO
74
AP3_IN
75
AP2_IN
76
AP1_IN
77 AP0_IN
78 SDATA
79 SCL
80
DGND
81
DVDD
82
INT1
83
INT2
84 INT_TX
85 DGNDIO
86 DVDDIO
87 AP0_OUT
88
AP1_OUT
89
AP2_OUT
90
AP3_OUT
91 AP4_OUT
92
DGND
93 DVDD
94 AP5_OUT
95
SCLK_OUT
96
MCLK_OUT
97
RESET
98
PWRDN
99 PGND
100 PVDD
101 XTAL
102 XTAL1
103
PVDD
104
PGND
105
HP_CTRLA
106
5V_DETA
107 RTERM
108 DDCA_SDA
10
9
11
0
11
1
11
2
11
3
11
4
11
5
11
6
11
7
11
8
11
9
12
0
12
1
12
2
12
3
12
4
12
5
12
6
12
7
12
8
12
9
13
0
13
1
13
2
13
3
13
4
13
5
13
6
13
7
13
8
13
9
14
0
14
1
14
2
14
3
14
4
DD
C
C_
SD
A
37
TX
PL
VD
D
38
TX
G
N
D
39
TX
PG
N
D
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
EX
T_
SW
IN
G
H
PD_ARC
–
A
RC
+
TX
D
DC
_S
D
A
TX
D
D
C_
SC
L
TX
A
VD
D
TX
G
N
D
TX
C
–
TX
C
+
TX
G
N
D
TX
0–
TX
0+
TX
G
N
D
TX
1–
TX
1+
TX
A
VD
D
TX
2–
TX
2+
TX
G
N
D
C
EC
D
G
N
D
D
VD
D
A
LS
B CS
EP
_S
C
K
EP
_C
S
EP
_M
O
SI
EP
_M
IS
O
M
C
LK
_I
N
SC
LK
_I
N
A
P5_
IN
A
P4_
IN
D
G
N
D
IO
5V
_D
ET
C
H
P_C
TR
LC
R
XB_2
+
R
XB_2
–
TV
D
D
R
XB_1
+
R
XB_1
–
C
G
N
D
R
XB_0
+
R
XB_0
–
TV
D
D
R
XB_C
+
R
XB_C
–
C
G
N
D
C
VD
D
DDCB_
SC
L
DDCB_
SD
A
D
VD
D
D
G
N
D
5V
_D
ET
B
H
P_C
TR
LB
R
XA_2
+
R
XA_2
–
TV
D
D
R
XA_1
+
R
XA_1
–
C
G
N
D
R
XA_0
+
R
XA_0
–
TV
D
D
R
XA_C
+
R
XA_C
–
C
G
N
D
C
VD
D
DDCA_
SC
L
CVDD
CGND
RXC_C–
RXC_C+
TVDD
RXC_0–
RXC_0+
CGND
RXC_1–
RXC_1+
TVDD
RXC_2–
RXC_2+
HP_CTRLD
5V_DETD
DGND
DVDD
DDCD_SDA
DDCD_SCL
CVDD
CGND
RXD_C–
RXD_C+
TVDD
RXD_0–
RXD_0+
CGND
RXD_1–
RXD_1+
TVDD
RXD_2–
RXD_2+
CVDD
CGND
TXPVDD
Pin Function Descriptions
Pin No. Mnemonic Type Description
1 DDCC_SCL Digital input HDCP Slave Serial Clock Port C. DDCC_SCL is a 3.3 V input that is 5 V tolerant.
2 CVDD Power Receiver Comparator Supply Voltage (1.8 V).
3 CGND Ground TVDD and CVDD Ground.
4 RXC_C− HDMI input Digital Input Clock Complement of Port C in the HDMI Interface.
5 RXC_C+ HDMI input Digital Input Clock True of Port C in the HDMI Interface.
6 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
7 RXC_0− HDMI input Digital Input Channel 0 Complement of Port C in the HDMI Interface.
8 RXC_0+ HDMI input Digital Input Channel 0 True of Port C in the HDMI Interface.
9 CGND Ground TVDD and CVDD Ground.
10 RXC_1− HDMI input Digital Input Channel 1 Complement of Port C in the HDMI Interface.
11 RXC_1+ HDMI input Digital Input Channel 1 True of Port C in the HDMI Interface.
12 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
Pin No. Mnemonic Type Description
13 RXC_2− HDMI input Digital Input Channel 2 Complement of Port C in the HDMI Interface.
14 RXC_2+ HDMI input Digital Input Channel 2 True of Port C in the HDMI Interface.
15 HP_CTRLD Digital output Hot Plug Detect for Port D.
16 5V_DETD Digital input 5 V Detect Pin for Port D in the HDMI Interface.
17 DGND Ground DVDD Ground.
18 DVDD Power Digital Supply Voltage (1.8 V).
19 DDCD_SDA Digital I/O HDCP Slave Serial Data Port D. DDCD_SDA is a 3.3 V input/output that is 5 V tolerant.
20 DDCD_SCL Digital input HDCP Slave Serial Clock Port D. DDCD_SCL is a 3.3 V input that is 5 V tolerant.
21 CVDD Power Receiver Comparator Supply Voltage (1.8 V).
22 CGND Ground TVDD and CVDD Ground.
23 RXD_C− HDMI input Digital Input Clock Complement of Port D in the HDMI Interface.
24 RXD_C+ HDMI input Digital Input Clock True of Port D in the HDMI Interface.
25 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
26 RXD_0− HDMI input Digital Input Channel 0 Complement of Port D in the HDMI Interface.
27 RXD_0+ HDMI input Digital Input Channel 0 True of Port D in the HDMI Interface.
28 CGND Ground TVDD and CVDD Ground.
29 RXD_1− HDMI input Digital Input Channel 1 Complement of Port D in the HDMI Interface.
30 RXD_1+ HDMI input Digital Input Channel 1 True of Port D in the HDMI Interface.
31 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
32 RXD_2− HDMI input Digital Input Channel 2 Complement of Port D in the HDMI Interface.
33 RXD_2+ HDMI input Digital Input Channel 2 True of Port D in the HDMI Interface.
34 CVDD Power Receiver Comparator Supply Voltage (1.8 V).
35 CGND Ground TVDD and CVDD Ground.
36 TXPVDD Power 1.8 V Power Supply for Digital and I/O Power Supply. This pin supplies power to the
digital logic and I/Os. It should be filtered and as quiet as possible.
37 TXPLVDD Power 1.8 V Power Supply.
38 TXGND Ground TXPVDD Ground.
39 TXPGND Ground TXPLVDD Ground.
40 EXT_SWING Analog input This pin sets the internal reference currents. Place an 887 Ω resistor (1% tolerance) between
this pin and ground.
41 HPD_ARC− Analog input Hot Plug Detect Signal. This pin indicates to the interface whether the receiver is connected.
It supports 1.8 V to 5 V CMOS logic levels.
42 ARC+ Analog input Audio Return Channel Input (5 V Tolerant).
43 TXDDC_SDA Digital I/O Serial Port Data I/O to Receiver. This pin serves as the master to the DDC bus. It supports a
5 V CMOS logic level.
44 TXDDC_SCL Digital output Serial Port Data Clock to Receiver. This pin serves as the master clock for the DDC bus.
It supports a 5 V CMOS logic level.
45 TXAVDD Power 1.8 V Power Supply for TMDS Outputs.
46 TXGND Ground TXAVDD Ground.
47 TXC− HDMI output Differential Clock Output. Differential clock output at the TMDS clock rate; supports
TMDS logic level.
48 TXC+ HDMI output Differential Clock Output. Differential clock output at the TMDS clock rate; supports
TMDS logic level.
49 TXGND Ground TXAVDD Ground.
50 TX0− HDMI output Differential Output Channel 0 Complement. Differential output of the red data at 10×
the pixel clock rate; supports TMDS logic level.
51 TX0+ HDMI output Differential Output Channel 0 True. Differential output of the red data at 10× the pixel clock
rate; supports TMDS logic level.
52 TXGND Ground TXAVDD Ground.
53 TX1− HDMI output Differential Output Channel 1 Complement. Differential output of the red data at 10×
the pixel clock rate; supports TMDS logic level.
54 TX1+ HDMI output Differential Output Channel 1 True. Differential output of the red data at 10× the pixel
clock rate; supports TMDS logic level.
55 TXAVDD Power 1.8 V Power Supply for TMDS Outputs.
SEMICONDUCTORS
Only major semiconductors are shown, general semiconductors etc. are omitted to list.
The semiconductor which described a detailed drawing in a schematic diagram are omitted to list.
39
Caution in
servicing
Electrical
Mechanical
Repair Information
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