Denon AVR-4520CI Service Manual page 221

Pin No. Mnemonic
G23 ACMUXIN_5L
H1 EP_MISO
H2 EP_MOSI
H3 SPDIF_IN
H4 RXA_5V
H7 GND
H8 GND
H9 GND
H10 GND
H11 GND
H12 GND
H13 GND
H14 GND
H15 GND
H16 GND
H17 GND
H20 GND
H21 GND
H22 FILTA
H23 VREF_AUDIO
J1 EP_CSB
J2 EP_SCK
J3 SHARED_EDID
J4 RESET
J7 GND
J8 GND
J9 GND
J10 GND
J11 GND
J12 GND
J13 GND
J14 GND
J15 GND
J16 GND
J17 GND
J20 AC_AVDD
J21 GND
J22 ISET
J23 FILTD
K1 GND
K2 GND
K3 DVDDIO
K4 DVDDIO
K7 VDD
K8 GND
K9 GND
K10 GND
K11 GND
K12 GND
K13 GND
K14 GND
K15 GND
K16 GND
K17 GND
K20 AC_AVDD
K21 AC_AVDD
K22 AC_DACOut_R
K23 AC_DACOut_L
L1 HA_AP5
L2 HA_SCLK
L3 INT1
L4 SDA
L7 VDD
L8 GND
Description
Audio Codec Mux Input 5 Left Channel
External EDID EEPROM interface
External EDID EEPROM interface
S/PDIF digital audio input for Audio Return Channel (ARC).
5V detect pin for Port A in the HDMI interface.
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Audio Codec ADC lter capacitor
Audio Codec block reference voltage capacitor
External EDID EEPROM interface
External EDID EEPROM interface
EDID selection signal for HDMI Port D
Chip Reset. Active low. Minimum low time guarantee reset is 5 ms.
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Audio block supply (3.3V)
Ground
Audio Codec ADC current settings
Audio Codec DAC lter capacitor
Ground
Ground
I/O supply (3.3V)
I/O supply (3.3V)
Video Digital supply (1.8V)
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Audio block supply (3.3V)
Audio block supply (3.3V)
Audio Codec DAC output right channel
Audio Codec DAC output left channel
HDMI Audio port output
HDMI Audio port serial clock output.
External Interrupt 1.
I2C port serial data input/output pin.
Video Digital supply (1.8V)
Ground
221
AD