Yamaha RX-V381 Service Manual page 69

Pin
Port Name
No.
84 PG10/TB2IN0 (no_use)
85 PG11/TB3IN0 MT_N_5CH
86 PN0/I2C2SDA (no_use)
87 PN1/I2C2SCL MT_N_SW
88 AVDD3 AVDD3
89 AVREFH AVREFH
90 AVSS AVSS
91 PH0/AIN0 TEST
92 PH1/AIN1 KEY1
93 PH2/AIN2 KEY2
94 PH3/AIN3 (no_use)
95 PH4/AIN4 THM1_PRT
96 PH5/AIN5 THM2_PRT
97 PH6/AIN6 PS_PRT
98 PH7/AIN7 (no_use)
99 PH8/AIN8 (no_use)
100 PH9/AIN9 DC_PRT
101 PH10/AIN10 AMP_OLV
102 PH11/AIN11 USB_VBUS_PRT
103 PH12/AIN12 (no_use)
104 PH13/AIN13 (no_use)
105 PH14/AIN14 VOL_RA
106 PJ0/AIN15 VOL_RB
107 PJ1/AIN16/TBCIN0 (no_use)
108 PJ2/AIN17/INTD/TBCIN1 (no_use)
109 PJ3/AIN18/INTE/TBDIN0 (no_use)
110 PJ4/AIN19/INTF/TBDIN1 (no_use)
111 RVDD3 RVDD3
112 RVSS RVSS
113 REGIN2 REGIN2
114 REGOUT2 REGOUT2
115 PN2/SC3TXD/I2C2SDA TUN_SDA
116 PN3/SC3RXD/I2C2SCL TUN_SCL
PN4/SC3SCK//SC3CTS/
117 TUN_N_RST
TBCOUT
118 PA0/A0/SP0FSS OSDFS_N_CS
119 PA1/A1/SP0DO OSDFS_MOSI
120 PA2/A2/SP0DI OSDFS_MISO
121 PA3/A3/SP0CLK OSDFS_SCK
122 PA4/A4/SP1FSS HDMI_SPI_N_CS
123 PA5/A5/SP1DO HDMI_SPI_MOSI
124 PA6/A6/SP1DI HDMI_SPI_MISO
125 PA7/A7/SP1CLK HDMI_SPI_SCK
126 DVDD3 DVDD3
127 DVSS DVSS
128 PL0/A0/SC9TXD BT_MOSI
129 PL1/A1/SC9RXD BT_MISO
PL2/A2/SC9SCK//SC9CTS/
130 BT_N_RST
TBFIN1
Function Name
(P.C.B.)
O O
O HiZ
O O
O HiZ
MCU MCU
MCU MCU
MCU MCU
HiZ HiZ
I+ I+
I+ I+
O O
I I
I I
I I
O O
O O
I I
I I
I I
O O
O O
I+ I+
I+ I+
O O
O O
O HiZ
O HiZ
MCU MCU
MCU MCU
MCU MCU
MCU MCU
HiZ HiZ
HiZ HiZ
O O
O O
SO SO
SI SI
O O
HiZ HiZ
HiZ HiZ
HiZ HiZ
O O
MCU MCU
MCU MCU
O HiZ
I I
O HiZ
I/O
O O
O O Mute control (Front/Center/Surround)
O O
O O Mute control (Subwoofer)
MCU MCU Microprocessor power supply
1uF/25V Seramic capacitors connection between
MCU MCU
Microprocessor and DGND
MCU MCU Microprocessor ground
HiZ HiZ
I+ I KEY AD value uptake 1
I+ I KEY AD value uptake 2
O O KEY AD value uptake 3 (no use)
I I Temperature detection 1
I I Temperature detection 2
I I PS protection detection 1 Specification
O O
O O
I I Power amp DC detection
I I Power amp output level detection
I I USB power supply voltage detection
O O
O O
I+ I Volume rotary encoder A
I+ I Volume rotary encoder B
O O
O O
O O
O O
MCU MCU Microprocessor power supply
MCU MCU Microprocessor ground
Connected to REGOUT2, 1uF/25V Seramic capacitors
MCU MCU
connection between connection point and DGND
Connected to REGIN2, 1uF/25V Seramic capacitors
MCU MCU
connection between connection point and DGND
HiZ HiZ Tuner I2C synchronization data input and output
HiZ HiZ Tuner I2C synchronization clock output
O O Tuner reset
O OSD Flash ROM chip select
SO OSD Flash ROM synchronization data output
SI OSD Flash ROM synchronization data input
O OSD Flash ROM synchronization clock output
HiZ HiZ OSD DATA chip select control from Microprocessor
HiZ HiZ OSD DATA SPI synchronization data output
HiZ HiZ OSD DATA SPI synchronization data input
O O OSD DATA synchronization clock output
MCU MCU Microprocessor power supply
MCU MCU Microprocessor ground
O O Bluetooth module data output
I I Bluetooth module data input
O O Bluetooth reset output
RX-V381/HTR-3069
Detail of Function
69