Yamaha YSP-4300 Service Manual page 104

YSP-CU4300/YSP-CU3300/NS-WSW160
Pin
Port Name
No.
132 AIN1
PJ1/AIN1
133 AIN2
PJ2/AIN2
134 AIN3
PJ3/AIN3/ADTRGn
135 AIN4
PJ4/AIN4/KWUP0
136 AIN5
PJ5/AIN5/KWUP1
137 PJ6
PJ6/AIN6/KWUP2
138 PJ7
PJ7/AIN7/KWUP3
139 PK0
PK0/AIN8
140 PK1
PK1/AIN9
141 AIN10
PK2/AIN10
142 AIN11
PK3/AIN11
143 AIN12
PK4/AIN12
144 AIN13
PK5/AIN13
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Detected voltage value
0 – 0.165 V
at 171 pin
A/D value
(3.3V = 255)
KEY1
104
I/O
Function
Name
(P.C.B.)
INPUT_PRT AD HiZ
(AD)
VBUS_PRT AD HiZ
(AD)
– HiZ HiZ
HDMI_PRT AD HiZ [AD]
AW_PRT AD HiZ
– HiZ HiZ
MODEL HiZ HiZ
DIR_WCK2 I I
DEST_N_WR I HiZ
DAMP_PRT AD HiZ
26V_PRI AD HiZ
DC_PRT HiZ HiZ
DSP_PRT AD HiZ
0 Ω +4.3 kΩ +6.8 kΩ
0.825 – 1.155 V 1.155 – 1.485 V
0 – 5 25 – 35 35 – 45
INPUT VOLUME + VOLUME –
Detail of Function
Protection INPUT power voltage detect +12D/+5A/+30V
Protection USB power voltage detect USB_VBUS
Protection NET power voltage detect +3.3N/+1.8N/+1.2N (Spare)
Protection HDMI power voltage detect +5H/+3.3H/+1.2H
Protection AW power voltage detect AW +5AW
ADC power down output (Spare)
MODEL discrimination (High: YSP-CU4300, Low: YSP-CU3300)
LR clock input for CDDA writing
For setting destination writing mode
Valid only in self-diagnostic function mode
Protection DAMP power voltage detect +26V
26V current detect
Protection WF amplifier DC detect
Protection power voltage detect +3.3DSP/+1.2DSP
∞
3.2 – 3.3 V
100
Key off