Yamaha YSP-4100, Руководство по обслуживанию

Страница: 64 / 135

64
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
67 P126
VDEC_N_
RST
OUT Video Enc/Dec. OSD reset
68 P125
OSD_N_
CS
OUT OSD chip select
69 P47
DSP_
PON
OUT
DSP power supply ON/OFF control
[H: ON, L: OFF]
70 P46
CEC_
RSTRQ
IN
CEC microprocessor reset request from HDMI CEC microprocessor
[H: ON, L: OFF]
71 P45
CEC_N_
RST
OUT CEC microprocessor reset
72 P44
CPNT_
DET
IN Component Video detection
73 P43 ISEL_CL OUT Analog input select CL (two-wire serial: BD3843FS)
74 VCC2 Vcc2 --- Power 3.3V
75 P42 ISEL_DA OUT Analog input select DA (two-wire serial: BD3843FS)
76 VSS Vss --- GND
77 P41
MDAC_N_
MUTE
OUT
Mch DAC Mute DASPJ / IRQO-1
[L: Mute]
78 P40
D4_N_
IRQ
IN DASPJ / IRQO-2
79 P37 D4_N_CS OUT D4SP J/CS-1 chip select
80 P36 D4_N_IC OUT D4SPJ / IC
81 P35
D4_N_
DISABLE
OUT D4SPJ / DISABLE
82 P34
DSP2_
FMT
OUT DA70Y (latter stage) FULL MUTE output
83 P33
DSP2_N_
RDY
IN
DA70Y (latter stage) READY D4SP J/CS-2 chip select
[L: DA70Y (latter stage) communication OK]
84 P32
DITR_N_
RST
OUT
DIR (SW unit)
[L: Headphone equipped]
85 P31
E2P_N_
CS
OUT
EEPROM chip select
Pulled up to EEPROM power source by 10k-ohms
86 P124
DIT2_N_
CS
OUT
87 P123
CTS6/
RTS6
DIT3_N_
CS
OUT
88 P122 RxD6 D4_MISO S-IN
89 P121 CLK6 D4_SCK S-CLK
90 P120 TxD6 D4_MOSI S-OUT
91 VCC2 Vcc2 --- Power 3.3V
92 P30
SW_N_
MUTE
OUT
Subwoofer MUTE control (analog mute) (also usable for old DAC-2 Mute)
[L: Mute]
93 VSS Vss --- GND
94 P27 AN27
TUN_N_
TUND
IN
FM/AM Tuner TUNED input
Pulled up to +3.3S by 47k
95 P26 AN26
TUN_N_
ST
IN
FM/AM Tuner STEREO detection input
Pulled up to +3.3S by 47k
96 P25 AN25 AW_DET2 OUT
+3.3S Power supply ON/OFF control
[H: ON, L: OFF]
97 P24 AN24 AW_DET1 OUT Air-Wired transmission/reception selection
98 P23 AN23
D5_
WARNG
IN
Excess current protection detection (D-5 warning signal IN)
(Pull-up resistor required) [L: WARNING]
99 P22 AN22
PWM_N_
RST
OUT [L: Mute]
100 P21 AN21
PWM_
PW_DWN
OUT [L: Mute]
101 P20 AN20 PRY OUT
Power relay ON/OFF control
[H: ON, L: OFF] [L: Mute]
102 P17 INT5
PW_
DOWN
INT-IN
AC power detection
[L: Power down]
103 P16 INT4 STBY_SW INT-IN
STANDBY/ON/Main/Zone/Input key interrupt
*
Which key is pressed is determined at KEY 1 port
104 P15 INT3 REM_IN INT-IN Remote control IN
105 P14
3DIR_N_
INT
IN
(XM Radio power supply ON/OFF control)
[H: ON, L: OFF]
106 P13
SWDAC_
N_MUTE
OUT
Subwoofer (analog)
Air-Wired (SWFR/head phone) DAC mute Dock power supply ON/OFF control
[L: MUTE] [H: ON, L: OFF]
107 P12 V_SEL1 OUT
Composite selection-1 (V_SEL 1)
10 [LL: ---, LH: Mute]
108 P11 V_SEL0 OUT
Composite selection-0 (V_SEL0)
[HL: External input, HH: OSD]
109 P10
AW_PW_
DWN
OUT
Air-Wired 3.3V basic power supply (common for 1 and 2) control
[H: ON]