Yamaha RX-V465 Service Manual

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82
RX-V465/HTR-6240/
AX-V465
RX-V465/HTR-6240/AX-V465
Pin
No.
Port Name
Function
Name
(P.C.B.)
I/O
Detail of Function
Power On
Stby Thrh
Standby
Stby Sleep
MCU Sleep
45
SCL0
P62/RXD0/SCL0/
STXD0/IrDAin
HDMI_SCL SIO SIO O O O
HDMI RX/TX, Video Enc/Dec I2C SDA input/output (400 kHz device)
Pull up at HDMI block
HDMI RX/TX: 5V tolerant
46 P61 232C_PON O O O O O H: ON, L: OFF
47
P60
P60/CTS0/RTS0/
SS0/RTP00
CEC_INT2 I I O O O CEC microprocessor interrupt
48
P137
P137/OUTC27
CEC_N_RST O O O O O CEC microprocessor reset
49
ISCLK2
P136/OUTC21/
ISCLK2
REM_CLK SO O O O O
Clock output for remote control code generation
No connection
50
P135
P135/OUTC22/
ISRXD2/IEin
HTX_PON O O O O O No use (HDMI_PON common)
51
P134
P134/OUTC20/
ISTXD0/Ieout
REM_OUT
52
P57
P57/RDY
HRX_N_RST O O O O O
HDMI TX reset output
L: Reset
Pull down at HDMI block
53
P56
P56/ALE
HTX_N_RST O O O O O
HDMI TX reset output
L: Reset
Pull down at HDMI block
54
P55
P55/HOLD
E8a_N_EPM I I I I I
E8a writing mode enable input
10 k-ohms pull down
55
P54
P54/HLDA/ALE
HTX_AUSEL O O O O O No use (HDMI Rx GPIO use)
56
P133
P133/OUTC23
HTX_VSEL O O O O O No use (HDMI Rx GPIO use)
57
Vss
Vss
Vss MCU MCU MCU MCU MCU Microprocessor GND
58
P132
P132/OUTC26
ABT_N_RST O O O O O
Video I/P & Scaler IC reset
L: reset
VID_PON=L: Low fix
59
Vcc2
Vcc2
Vcc2 MCU MCU MCU MCU MCU Microprocessor power supply
60
P131
P131/OUTC25
HDMI_PON O O O O O
HDMI power supply ON/OFF control
H: ON, L: OFF
when V2065 uses CEC microprocessor, HDMI EQ (CXB1442, SiI9185A) Reset
may be used
61
P130
P130/OUTC24
VID_PON O O O O O
Video power supply ON/OFF control
H: ON, L: OFF
Configured based on the Pure Direct specification
62 P53
SCPU_N_RST
OOOOO
63 P52 SCPU_N_SS O O O O O
64 P51 SCPU_RTS O O O O O
65
P50
P50/WRL/WR
E8a_N_CE I I I I I
E8a enable input
10 k-ohms pull up
66
P127
P127
SVID_DET I O O O O
S video detection
VID_PON=L: Low Fix
67
P126
P126
DVID_N_RST O O O O O
Video Enc/Dec reset
VID_PON=L: Low Fix
68
P125
P125
OSD_N_CS CS O O O O
OSD chip select
VID_PON=L: Low Fix
69
P47
P47/SC0/A23
DSP_PON O O O O O
DSP power supply ON/OFF control
H: ON, L: OFF
70
P46
P46/SC1/A22
SPRY_FA O O O O O
Front A speaker relay control
H: ON, L: OFF
71
P45
P45/SC2/A21
SPRY_FB O O O O O
Front B Speaker relay control
H: ON, L: OFF
72
P44
P44/SC3/A20
CPNT_DET O O O O O No use