Harman Kardon AVR 151/230C, Service Manual

Page: 72 / 131

ADV7623 ADI Confidential
Rev. Sp0 | Page 10 of 16
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.
am Elec
l Inp p
eiver Termina Term
gital Input Chann put Chann
Digital Input Chan tal Input Cha
Receiver Compa ceiver Comp
TVDD and CVD DD and CVD
l
1.8 V Power S 1.8 V Power
digital logi digital log
El
1.8 V Pow 1.8 V Pow
El
TXPVD XPVD
E
TXPLV TXPL
E
g input Thi Thi
th th
E
nalog input
Analog input alog input
Digital I/O igital I/O
SCL Digital outp Digital ou
a
DD Power Power
a
Groun Groun
a
DM DM
March 18,
ly Volta y
Digital and I/O P gital and I
It should be filt It should be
d.
he internal refer he internal
ground. ground.
Detect Signal. Th ect Signal
rts 1.8 V to 5 V C .8 V to 5
Return Channel urn Chann
l Port Data I/O t rt Dat
CMOS logic leve MOS logic
erial Port Data C l Port Dat
It supports a 5 V It supports a
1.8 V Power Su 1.8 V Powe
M
TXAVDD Gro TXAVDD
M
Differentia Differe
TMDS lo TMDS
M
DI Confid
d as q as
rrents. Place an 887 . Place an 88
dicates to the inter es to the inte
ic levels. vels.
V Tolerant). nt).
er. This pin serves his pin serves a
Receiver. This pin se r. This pin s
ogic level. ogic level.
r TMDS Outputs. TMDS Outputs
Output. Differentia put. Differentia
.
ock Output. Differe ck
evel. evel.
ound. nd.
al Output Channe l Output Channe
ck rate; suppo ck rate; suppo
t Chan t Ch
Harman Kardon AVR 151 Service Manual
Page 72 of 131