Yamaha YSP-4100, Service Manual

Page: 65 / 135

65
YSP-4100/YSP-5100
Y
SP-41
0
0/Y
SP-51
0
0
Pin
No.
Port
Name
Control Interrupt Timer UART Analog
Function
Name
I/O Detail of Function
110 P07 AN07
AW_N_
MUTE
OUT
Air-Wired (head phone /SWFR) mute
[L: MUTE]
111 P06 AN06 SYS_ON OUT Subwoofer system connection ON/OFF
112 P05 AN05
STBY_
LED
OUT
STANDBY LED OUT
[H: ON]
113 P04 AN04 PS5_PRT A-D IN PS protection detection 5
114 P114
AW_N_
IC2
OUT iPod accessory power detection
115 P113
MIC_N_
DET
IN
MIC detection
[L: MIC equipped]
116 P112 OUT
Sirius asynchronous data input
Pulled-up by 100k-ohms
117 P111 FLD_N_IC OUT FL driver reset
118 P110
HDMI_
PON2
OUT
HDMI power supply ON/OFF control (upstream: power supply circuit board side)
SIRIUS asynchronous data output
[H: ON, L: OFF]
119 P03 AN03 PS4_PRT A-D IN
PS protection detect 4 Sirius Radio power supply ON/OFF control
[H: Power ON, L: Power OFF]
120 P02 AN02 AW_ON1 OUT
Air-Wired 1 power supply control (Reception)
[H: ON]
121 P01 AN01
ADC_N_
PDWN
OUT
ADC power down
[L: Power down]
122 P00 AN00
FLD_N_
CS
OUT FL driver chip selection
123 P157
CTS6/
RTS6
AN157 IN Component Video aspect detection
124 P156 CLK6 AN156 AW_ON2 OUT
125 P155 RxD6 AN155
AW_N_
IC1
OUT Air-Wired 1 reset (reception) Vx65: Power amplifier output level detection
126 P154 TxD6 AN154
PWMAMP_
DCPRT
A-D IN [0 to VREF]
127 P153
CTS5/
RTS5
AN153 MODEL A-D IN Model discriminating AD value
128 P152 RxD5 AN152
E2P_
MISO
S-IN EEPROM synchronous data input
129 P151 CLK5 AN151
FL/OSD/
E2P/SCK
S-CLK
FL driver, OSD, IO expanding IC (Video), EEPROM synchronous clock output
Add series 1k-ohms to FL driver
130 VSS Vss --- GND
131 P150 TxD5 AN150
FL/OSD/
E2P/MOSI
S-OUT
FL driver, OSD, IO expanding IC (Video), EEPROM synchronous data output
Add series 1k-ohms to FL driver
132 VCC1 Vcc --- Power 3.3V
133 P107 KI3 RTP33 AN7 KEY1 A-D IN
KEY AD value taken in 1
[0 to VREF]
134 P106 KI2 RTP32 AN6 KEY2 A-D IN
Key AD value taken in 2
[0 to VREF]
135 P105 KI1 RTP31 AN5 PS1_PRT A-D IN
PS protection detection 1
[0 to VREF]
136 P104 KI0 RTP30 AN4 PS2_PRT A-D IN
PS protection detection 2
[0 to VREF]
137 P103 RTP13 AN3 AW_CS1 OUT Air-Wired 1 CS OUT (reception)
138 P102 RTP12 AN2 AW_CS2 OUT
139 P101 RTP11 AN1 DEST A-D IN
Destination discriminating AD value
[0 to VREF]
140 AVSS Avss --- Connect to Vss (GND)
141 P100 RTP10 AN0 PS3_PRT A-D IN
PS protection detect 3 Dock discrimination
Type of connected dock is determined and operation is changed.
[0 to VREF]
142 VREF VREF --- A- D, D-A reference voltage input
143 AVCC Avcc --- Connect to Vcc terminal (+3.3V)
144 P97
RxD4/
SCL4/
STxD4
ADTRG AW_MISO S-IN
Air-Wired (1,2) SPI data IN (iPod asynchronous data input)
*
Pull down required to detect Air-Wired function