Denon AVR-S740H, Service Manual

Page: 46 / 155

Pin No. Mnemonic Type Description
99 PGND Ground PVDD Ground.
100 PVDD Power PLL Supply Voltage (1.8 V).
101 XTAL Miscellaneous
analog
Input pin for 28.63636 MHz crystal or an external 1.8 V 28.63636 MHz clock oscillator source to
clock the ADV7623.
102 XTAL1 Miscellaneous
analog
Crystal Output Pin. This pin should be left floating if a clock oscillator is used.
103 PVDD Power PLL Supply Voltage (1.8 V).
104 PGND Ground PVDD Ground.
105 HP_CTRLA Digital output Hot Plug Detect for Port A.
106 5V_DETA Digital input 5 V Detect Pin for Port A in the HDMI Interface.
107 RTERM Miscellaneous
analog
This pin sets the internal termination resistance. A 500 Ω resistor between this pin and
ground should be used.
108 DDCA_SDA Digital I/O HDCP Slave Serial Data Port A. DDCA_SDA is a 3.3 V input/output that is 5 V tolerant.
109 DDCA_SCL Digital input HDCP Slave Serial Clock Port A. DDCA_SCL is a 3.3 V input that is 5 V tolerant.
110 CVDD Power Receiver Comparator Supply Voltage (1.8 V).
111 CGND Ground TVDD and CVDD Ground.
112 RXA_C− HDMI input Digital Input Clock Complement of Port A in the HDMI Interface.
113 RXA_C+ HDMI input Digital Input Clock True of Port A in the HDMI Interface.
114 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
115 RXA_0− HDMI input Digital Input Channel 0 Complement of Port A in the HDMI Interface.
116 RXA_0+ HDMI input Digital Input Channel 0 True of Port A in the HDMI Interface.
117 CGND Ground TVDD and CVDD Ground.
118 RXA_1− HDMI input Digital Input Channel 1 Complement of Port A in the HDMI Interface.
119 RXA_1+ HDMI input Digital Input Channel 1 True of Port A in the HDMI Interface.
120 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
121 RXA_2− HDMI input Digital Input Channel 2 Complement of Port A in the HDMI Interface.
122 RXA_2+ HDMI input Digital Input Channel 2 True of Port A in the HDMI Interface.
123 HP_CTRLB Digital output Hot Plug Detect for Port B.
124 5V_DETB Digital input 5 V Detect Pin for Port B in the HDMI Interface.
125 DGND Ground DVDD Ground.
126 DVDD Power Digital Supply Voltage (1.8 V).
127 DDCB_SDA Digital I/O HDCP Slave Serial Data Port B. DDCB_SDA is a 3.3 V input/output that is 5 V tolerant.
128 DDCB_SCL Digital input HDCP Slave Serial Clock Port B. DDCB_SCL is a 3.3 V input that is 5 V tolerant.
129 CVDD Power Receiver Comparator Supply Voltage (1.8 V).
130 CGND Ground TVDD and CVDD Ground.
131 RXB_C− HDMI input Digital Input Clock Complement of Port B in the HDMI Interface.
132 RXB_C+ HDMI input Digital Input Clock True of Port B in the HDMI Interface.
133 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
134 RXB_0− HDMI input Digital Input Channel 0 Complement of Port B in the HDMI Interface.
135 RXB_0+ HDMI input Digital Input Channel 0 True of Port B in the HDMI Interface.
136 CGND Ground TVDD and CVDD Ground.
137 RXB_1− HDMI input Digital Input Channel 1 Complement of Port B in the HDMI Interface.
138 RXB_1+ HDMI input Digital Input Channel 1 True of Port B in the HDMI Interface.
139 TVDD Power Receiver Terminator Supply Voltage (3.3 V).
140 RXB_2− HDMI input Digital Input Channel 2 Complement of Port B in the HDMI Interface.
141 RXB_2+ HDMI input Digital Input Channel 2 True of Port B in the HDMI Interface.
142 HP_CTRLC Digital output Hot Plug Detect for Port C.
143 5V_DETC Digital input 5 V Detect Pin for Port C in the HDMI Interface.
144 DDCC_SDA Digital I/O HDCP Slave Serial Data Port C. DDCC_SDA is a 3.3 V input/output that is 5 V tolerant.
ADV7623 Block diagram
CH0
CH1
CH2
VIDEO DATA
DE
VS
HS
AUDIO DATA
VIDEO DATA
DE
VS
HS
AUDIO DATA
VIDEO DATA
DE
VS
HS
AUDIO DATA
VIDEO DATA
DE
VS
HS
AUDIO DATA
XTAL
XTAL1
RXA_C
RXB_C
RXC_C
RXD_C
RXA_0
RXA_1
RXA_2
VI
D
EO
/A
UD
IO
C
LO
C
K
G
EN
ER
A
TI
O
N
RX
PLL
CEC
TXC
TX0
TX1
TX2
5V DETECT
C
O
M
PO
N
EN
T
PR
O
C
ESS
O
R
SCL
SDATA
ALSB
CS
I 2 C
CONTROLLER
PWRDN
RESET
GLOBAL
CONTROLS
DDCA_SDA
DDCA_SCL
DDCB_SDA
DDCB_SCL
DDCC_SDA
DDCC_SCL
DDCD_SDA
DDCD_SCL
AP0_IN
AP1_IN
AP2_IN
AP3_IN
AP4_IN
AP5_IN
SCLK_IN
MCLK_IN
AP0_OUT
AP1_OUT
AP2_OUT
AP3_OUT
AP4_OUT
AP5_OUT
SCLK_OUT
MCLK_OUT
ARC+
RX EDID/
REPEATER
CONTROLLER
RX HPD
CONTROLLER
EP_MISO
EP_MOSI
EP_CS
EP_SCK
SPI MASTER/
SLAVE
EQUALIZER
RXB_0
RXB_1
RXB_2
EQUALIZER
SAMPLER
SAMPLER
RXC_0
RXC_1
RXC_2
EQUALIZER SAMPLER
RXD_0
RXD_1
RXD_2
EQUALIZER
CEC
CONTROLLER
EDID
RAM
SAMPLER
H
D
M
I R
ECE
IVE
R
PR
O
C
ESS
O
R
TRA
N
SM
ITT
ER
PA
CK
ET
B
U
IL
D
ER
H
DC
P
EN
C
R
YP
TI
O
N
EN
G
IN
E
H
D
M
I
EN
C
O
DE
R
SE
R
IA
LI
ZE
R
TM
D
S
D
R
IVE
R
S
INT1
INT2
INT_TX
IN
TE
R
R
U
PT
C
O
N
TR
O
LL
ER
TXDDC_SDA
TXDDC_SCL TX
ED
ID
/H
DC
P
C
O
NT
R
O
LLE
R
ED
ID
/H
DC
P
B
U
FF
ER
HPD_ARC–
TX
H
PD
C
O
N
TR
O
LL
ER
H
DC
P
D
EC
R
YP
TI
O
N
EN
G
IN
E
SYNC
MEASUREMENT
PACKET
PROCESSOR
INFOFRAME
PACKET
MEMORY
AUDIO
PROCESSOR
ARC
RECEIVER
AUDIO
CAPTURE
H
D
C
P
K
EY
S
TX
PLL
ADV7623
5V_DETA
5V_DETB
5V_DETC
5V_DETD
HP_CTRLA
HP_CTRLB
HP_CTRLC
HP_CTRLD
OSD
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
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