Denon AVR-4520CI Service Manual page 223

Pin No. Mnemonic
P15 GND
P16 GND
P17 GND
P20 GND
P21 GND
P22 GND
P23 GND
R1 TTX_SCLK
R2 TTX_MOSI
R3 TTX_MISO
R4 TTX_CSB
R7 VDD
R8 GND
R9 GND
R10 GND
R11 GND
R12 GND
R13 GND
R14 GND
R15 GND
R16 GND
R17 GND
R20 GND
R21 GND
R22 REFN
R23 REFP
T1 DVDDIO
T2 DVDDIO
T3 GND
T4 GND
T7 VDD
T8 GND
T9 GND
T10 GND
T11 GND
T12 GND
T13 GND
T14 GND
T15 GND
T16 GND
T17 GND
T20 AVDD
T21 AVDD
T22 AVDD
T23 AVDD
U1 TX_AVDD
U2 TX_AVDD
U3 GND
U4 TX_DDC_SCL
U7 VDD
U8 VDD
U9 VDD
U10 VDD
U11 VDD
U12 VDD
U13 VDD
U14 TEST2
U15 GND
U16 GND
U17 GND
U20 AVIN13
U21 AVIN12
U22 AVIN11
U23 AVIN10
Description
Ground
Ground
Ground
Ground
Ground
Ground
Ground
VBI data interface
VBI data interface
VBI data interface
VBI data interface
Video Digital supply (1.8V)
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Analog video reference output
Analog video reference output
I/O supply (3.3V)
I/O supply (3.3V)
Ground
Ground
Video Digital supply (1.8V)
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Video Analog supply voltage (1.8V)
Video Analog supply voltage (1.8V)
Video Analog supply voltage (1.8V)
Video Analog supply voltage (1.8V)
HDMI Tx Analog Supply (1.8V)
HDMI Tx Analog Supply (1.8V)
Ground
Serial clock for DDC bus of HDMI Tx. TX_DDCA_SCL is 5 V tolerant.
Video Digital supply (1.8V)
Video Digital supply (1.8V)
Video Digital supply (1.8V)
Video Digital supply (1.8V)
Video Digital supply (1.8V)
Video Digital supply (1.8V)
Video Digital supply (1.8V)
Test pin, do not connect
Ground
Ground
Ground
Analog video mux input channel
Analog video mux input channel
Analog video mux input channel
Analog video mux input channel
223
AD