Denon AVR-4520, Service Manual

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220
ADV7850
Pin No. Mnemonic Description
C17 TVDD HDMI termination supply (3.3V)
C18 TVDD HDMI termination supply (3.3V)
C19 TVDD HDMI termination supply (3.3V)
C20 GND Ground
C21 GND Ground
C22 ACMUXIN_1R Audio Codec Mux Input 1 Right Channel
C23 ACMUXIN_1L Audio Codec Mux Input 1 Left Channel
D1 RXA_0+ Digital Input Channel 0 true of Port A in the HDMI interface.
D2 RXA_0- Digital Input Channel 0 complement of Port A in the HDMI interface.
D3 CVDD HDMI comparator supply (1.8V)
D4 RXD_5V 5V detect pin for Port D in the HDMI interface.
D5 VGA_5V 5V detect inout for VGA connector
D6 DDCA_SCL Serial clock for DDC bus of Port A. DDCA_SCL is 5 V tolerant.
D7 DDCA_SDA Serial data for DDC bus of Port A. DDCA_SDA is 5 V tolerant.
D8 DDCB_SCL Serial clock port for DDC bus of Port B. DDCB_SCL is 5 V tolerant.
D9 DDCB_SDA Serial data port for DDC bus of Port B. DDCB_SDA is 5 V tolerant.
D10 DDCC_SCL Serial clock port for DDC bus of Port C. DDCC_SCL is 5 V tolerant.
D11 DDCC_SDA Serial data port for DDC bus of Port C. DDCC_SDA is 5 V tolerant.
D12 DDCD_SCL Serial clock port for DDC bus of Port D. DDCD_SCL is 5 V tolerant.
D13 DDCD_SDA Serial data port for DDC bus of Port D. DDCD_SDA is 5 V tolerant.
D14 VREG Voltage regulator output. Must be decoupled to GND via 1uF capacitor.
D15 GND Ground
D16 VGA_SCL Serial clock for VGA interface. VGA_SCL is 5V tolerant.
D17 VGA_SDA Serial data for VGA interface. VGA_SDA is 5V tolerant.
D18 TVDD HDMI termination supply (3.3V)
D19 AC_AVDD Audio block supply (3.3V)
D20 AC_AVDD Audio block supply (3.3V)
D21 AC_AVDD Audio block supply (3.3V)
D22 ACMUXIN_2R Audio Codec Mux Input 2 Right Channel
D23 ACMUXIN_2L Audio Codec Mux Input 2 Left Channel
E1 RXA_1+ Digital Input Channel 1 true of Port A in the HDMI interface.
E2 RXA_1- Digital Input Channel 1 complement of Port A in the HDMI interface.
E3 CVDD HDMI comparator supply (1.8V)
E4 RXC_5V 5V detect pin for Port C in the HDMI interface.
E20 GND Ground
E21 GND Ground
E22 ACMUXIN_3R Audio Codec Mux Input 3 Right Channel
E23 ACMUXIN_3L Audio Codec Mux Input 3 Left Channel
F1 RXA_2+ Digital Input Channel 2 true of Port A in the HDMI interface.
F2 RXA_2- Digital Input Channel 2 complement of Port A in the HDMI interface.
F3 CVDD HDMI comparator supply (1.8V)
F4 RXB_5V 5V detect pin for Port B in the HDMI interface.
F20 PLL_LF Loop Filter ball for Audio Codec PLL
F21 GND Ground
F22 ACMUXIN_4R Audio Codec Mux Input 4 Right Channel
F23 ACMUXIN_4L Audio Codec Mux Input 4 Left Channel
G1 TVDD HDMI termination supply (3.3V)
G2 TVDD HDMI termination supply (3.3V)
G3 TVDD HDMI termination supply (3.3V)
G4 TVDD HDMI termination supply (3.3V)
G7 GND Ground
G8 TEST1 Test pin, do not connect
G9 CVDD HDMI comparator supply (1.8V)
G10 CVDD HDMI comparator supply (1.8V)
G11 CVDD HDMI comparator supply (1.8V)
G12 CVDD HDMI comparator supply (1.8V)
G13 CVDD HDMI comparator supply (1.8V)
G14 CVDD HDMI comparator supply (1.8V)
G15 CVDD HDMI comparator supply (1.8V)
G16 GND Ground
G17 GND Ground
G20 AC_AVDD Audio block supply (3.3V)
G21 GND Ground
G22 ACMUXIN_5R Audio Codec Mux Input 5 Right Channel