Yamaha RX-V475 Service Manual page 81
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Also See for RX-V475:
- Easy setup manual (8 pages) ,
- Owner's manual (112 pages) ,
- Setup manual (59 pages)
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Pin
Function Name
Port Name
No.
(P.C.B.)
53
P5_4
HP_N_DET
54
P13_3
HPRY
55
P13_2
SPRY_SB_BA
56
P13_1
(no use)
57
P13_0
SPRY_5CH
58
P5_3
MT_N_SB
59
P5_2
(no use)
60
P5_1
MT_N_5CH
61
P5_0
E8A_N_CE
62
P12_7
OSDFS_N_CS
63
P12_6
USB_VBUS_PON
64
P12_5
PRY
65
TXD7
FPGA_MOSI
66
RXD7
FPGA_MISO
67
CLK7
FPGA_SCK
68
P4_4
REM_OUT
69
P4_3
(no use)
70
P4_2
(no use)
71
P4_1
N_FCT
72
P4_0
NDAC_N_MT
73
P3_7
74
P3_6
VOL_RB
75
P3_5
VOL_RA
76
P3_4
FLD_N_CS
77
P3_3
FLD_N_RST
78
P3_2
MIC_N_DET
79
P3_1
STBY_LED
80
P12_4
NCPU_PON
81
P12_3
DSP_PON
82
P12_2
+3.3S_PON
83
P12_1
HDMI_PON
84
P12_0
VID_PON
85
VCC2
VCC2
86
P3_0
EEP_N_CS
87
VSS
VSS
88
P2_7
MODE
89
P2_6
90
N_INT7
REM_IN
91
N_INT6
PSW_N_DET
92
P2_3
DSP_N_RST
93
P2_2
DSP_N_RDY
94
P2_1
DSP_N_CS
95
P2_0
DSP_FMT
96
P1_7
PWM_PDN
(reserved)
97
P1_6
NCPU_VBUSDRV
98
N_INT3
MHL_WAKE
99
P1_4
PWM_N_RST
(reserved)
100 TXD6
NCPU_SPI_MOSI
101
RXD6
NCPU_SPI_MISO
102 CLK6
NCPU_SPI_SCK
103 P1_0
NCPU_SPI_N_CS
I/O
I+
O
O
O
Headphone detection / L: Headphone detected
O
O
O
O
Headphone relay control
O
O
O
O
Speaker relay control (Surround back and Bi-Amp)
O
O
O
O
Speaker relay control (Front / Center / Surround) / H: Relay ON
O
O
O
O
Mute control (Surround back)
O
O
O
O
O
O
O
O
Mute control (Front / Center / Surround)
I+
I+
I+
I+
O
O
O
O
Chip select control of OSD Flash from microprocessor
O
O
O
O
O
O
O
O
Power relay control / H: On
SO
SO
O
SO
FPGA, OSD Flash synchronization data output
SI
SI
O
O
FPGA, OSD Flash synchronization data input
SO
SO
O
SO
FPGA, OSD Flash synchronous clock output
O
O
O
O
Remote control code (spare)
I+
I+
I+
I+
I+
I+
I+
I+
I
I
I
I
FCT detection / H: Product mode, L: FCT mode
O
O
O
O
Mute control
O
O
O
O
L: ROHM/FPGA SPI / H: Spalta OSD SPI
I+
I+
I+
I+
Volume rotary encoder B
I+
I+
I+
I+
Volume rotary encoder A
O
O
O
O
FL driver chip select
O
O
O
O
FL driver reset
I-
I-
I-
I-
MIC detection / L: MIC detected
O
O
O
O
Standby through LED / H: LED lighting
O
O
O
O
H: Power supply ON
O
H: Power supply ON
O
H: Power supply ON
O
H: Power supply ON
O
H: Power supply ON
MCU
MCU
MCU
MCU
Microprocessor power supply
O
O
O
O
EEPROM chip select
MCU
MCU
MCU
MCU
Microprocessor ground
I+
I+
I+
I+
+3.3V: Normal movement / 0V: MAC address writing permission
(reserved)
IRQ
IRQ
IRQ
I
Remote control pulse input
IRQ
IRQ
IRQ
I
Power system switch (Power, Scene) detection / L: Standby key ON
O
O
O
O
DSP reset
I+
I+
O
I+
DSP Ready input
O
O
O
O
DSP chip select
O
O
O
O
DSP full mute output / H: Mute
O
O
O
O
Digital amplifier power down control
I-
I-
I-
I-
USB power supply output requirement from NETWORK microprocessor
(reserved)
O
O
O
O
Digital amplifier reset
SO
O
O
O
NET SPI data output
SI
O
O
O
NET SPI data input
NET SPI clock output
O
O
O
O
NET SPI chip select
RX-V475/HTR-4066/RX-V500D
Detail of Function
81
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Troubleshooting
