Yamaha RX-V385, Service Manual

Page: 76 / 133

Pin
No.
Port Name
Function Name
(P.C.B.)
I/O
Detail of Function
Related power
supply
ON OFF
55 PF4/SC0RXD/TB9IN1 232C_DBG_MISO I O
56 PF5/SC0SCK/SC0CTS/DMAREQA/TB9IN0 TUN_N_INT I I Tuner interrupt
57 PF6/SC1TXD WN_MOSI O O (no use)
58 PF7/SC1RXD/TBAIN1 WN_MISO I I (no use)
59 PF8/SC1SCK/SC1CTS/DMAREQB/TBAIN0 VOL_MOSI O O Volume communication data
60 DVDD3 DVDD3 Power supply pin for digital circuit
61 DVSS DVSS GND pin for digital circuit
62 PF9/SC2TXD VOL_SCK O O Volume communication clock
63 PF10/SC2RXD/TBBIN1 EEP_N_CS O I EEPROM chip select
64 PF11/SC2SCK/SC2CTS/DMAREQC/TBBIN0 USB_MCHNG I I USB matching
65 PF12/INT8/RXIN0 REM_IN1 I O
66 PF13/CEC CEC I/O I (Consumer Electronic Control) data input/output pin
67 PE5/TRACEDATA0 PRY O O Power relay
68 PE6/TRACEDATA1 PA_B_RY O O B power supply (Trans relay)
69 PE7/TRACEDATA2 – O O
70 PE8/INT9/TRACEDATA3/ADTRG PSW_N_DET I I Power switch detection
71 DVDD3 DVDD3 Power supply pin for digital circuit
72 DVSS DVSS GND pin for digital circuit
73 PE9/INTA/TRACECLK/SCOUT ACPWR_DET I I AC power detect
74 PG0/SP2FSS +3.3S_PON O O +3.3S power ON
75 PG1/SP2DO VRDET I I PCB version detection (L: TP~, H: ~ES)
76 PG2/SP2DI – O O
77 PG3/SP2CLK MT_N_3CH O O Mute 3ch (Left, Center, Right)
78 PG4/I2C0SDA/SP2FSS MT_N_SUR O O Mute surround
79 PG5/I2C0SCL/SP2FSS MT_N_SW O O Mute subwoofer
80 PG6/I2C1SDA SPRY_3CH O O Speaker relay 3CH (Left, Center, Right)
81 PG7/I2C1SCL HPRY O O Headphone relay
82 PG8/TB0IN0 – O O
83 PG9/TB1IN0 SPRY_SUR&BA O O Speaker relay surround & Bi-amp
84 PG10/TB2IN0 DIR1_N_INT I O DIR1 interrupt
85 PG11/TB3IN0 DSP1_N_INT I O DSP1 interrupt
86 PN0/I2C2SDA – O O
87 PN1/I2C2SCL DSP1_N_RST O O DSP1 reset
88 AVDD3 AVDD3 Power supply pin for analog circuit
89 VREFH VREFH
90 AVSS AVSS GND pin for ADC
91 PH0/AIN0 KY_AD1 I I
92 PH1/AIN1 KY_AD2 I I
93 PH2/AIN2 HWDET I I Hardware detect
94 PH3/AIN3 THM1 I I Thermal1
95 PH4/AIN4 THM2 I I Thermal2
96 PH5/AIN5 PS1_PRT I I PS1 protection
97 PH6/AIN6 PS2_PRT I I PS2 protection
98 PH7/AIN7 PS3_PRT I I PS3 protection
99 PH8/AIN8 DC_PRT I I DC protection
100 PH9/AIN9 AMP_OLV I I Amplifier output level
101 PH10/AIN10 USB_VBUS_PRT I I USB power supply protection
102 AIN11 TEST1 I I
103 PH12/AIN12 MODE I I
104 PH13/AIN13 TEST2 I I
105 PH14/AIN14 AUD_DET I I Audio detection (no use)
106 PJ0/AIN15 STBY_LED O O
107 PJ1/AIN16/TBCIN0 HAU_N_INT I O
108 PJ2/AIN17/INTD/TBCIN1 BT_INT I I Bluetooth interrupt
109 PJ3/AIN18/INTE/TBDIN0 ARC_MT I O
110 PJ4/AIN19/INTF/TBDIN1 ARC_N_INT I O
76
RX-V385/HTR-3072
RX-V385/HTR-3072