Yamaha YHT-S300 Service Manual page 62
Subwoofer integrated receiver sr-300, speakers ns-br300/ns-p705/ns-b380
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Also See for YHT-S300:
- Quick reference manual (80 pages) ,
- Owner's manual (29 pages) ,
- Owner's manual (31 pages)
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SR-300/NS-BR300/NS-P705/NS-B380
Pin
Function Name
Port Name
No.
(P.C.B.)
SDA0
44
HDMI_SDA
P63/TXD0/SDA0/
SRXD0/IrDAout
SCL0
45
P62/RXD0/SCL0/
HDMI_SCL
STXD0/IrDAin
P61
/INT_SD_C_
46
DAMP
P61/CLK0/RTP01
47 P60
CEC_INT2
P137
48
CEC_N_RST
P137/OUTC27
P136
49
P136
P136/OUTC21/
ISCLK2
P135
50
P135
P135/OUTC22/
ISRXD2/IEin
P134
51
P134/OUTC20/
P134
ISTXD2/Ieout
P57
52
HTX_N_RST
P57/RDY
P56
53
HRX_N_RST
P56/ALE
P55
54
/EPM
P55/HOLD
P54
55
HTX_PON
P54/HLDA/ALE
P133
56
H_DAT_EN
P133/OUTC23
57 Vss
Vss
P132
58
HDMI_PON
P132/OUTC26
59 Vcc2
Vcc2
P131
60
ADC_N_PDWN
P131/OUTC25
P130
61
UAW_PON
P130/OUTC24
P53
62
P53
P53/CLKout/
BCLK/ALE
P52
63
P52
P52/RD
P51
64
P51
P51/WRH/BHE
P50
65
/CE
P50/WRL/WR
P127
66
P125
P127
P126
67
P126
P126
P125
68
P127
P125
P47
69
P47
P47/SC0/A23
P46
70
P46
P46/SC1/A22
P45
71
SLCT_SELECT
P45/SC2/A21
P44
72
SLCT_N_ST
P44/SC3/A20
62
I/O
SIO
SIO
(Open
(Open
O
O
Drain)
Drain)
SO
SO
(Open
(Open
O
O
Drain)
Drain)
I
O
I
O
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
O
O
O
O
MCU
MCU
MCU
MCU
O
O
O
O
MCU
MCU
MCU
MCU
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Detail of Function
I2C SDA output for HDMI RX/TX CEC microprocessor
I2C SCL output for HDMI RX/TX CEC microprocessor
Detection of D-AMP Cch TAS5342 shutdown
Shutdown is not detected when 2ch output is selected.
CEC microprocessor interrupt signal input
CEC microprocessor reset signal output
Unconnected
Unconnected
Unconnected
HDMI TX reset output
L: reset
HDMI RX reset o;utput
L: reset
I
47k-ohms Pull Down for FLASH writing mode
ON/OFF control of 5V supply to Sinc equipment
H: ON, L: OFF
Usually 5V supply to Sinc equipment is turned on using H
ON/OFF control of audio signal between HDMI and DSP (BUFFER)
L: through ON H: through OFF
ON/OFF control of HDMI power supply (+3.3H, +1.8H, +1.2H)
Power down signal for ADC (PCM1803)
Unconnected
Unconnected
Unconnected
Unconnected
I
For FLASH writing mode
Unconnected
Unconnected
Unconnected
Unconnected
Unconnected
I2C selector SELECT signal
H: DIR L: HDMI
I2S selector /ST signal
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