Yamaha HTY-7040 Service Manual page 63

Function Name
No. Port Name
(P.C.B.)
56 Reserved PO133
57 VSS
58 /CSTIA PO132
59 VCC
60 TIA_BUSY
61 TIA_MUTE PO130
62 TIA_RDY
63 /ICTIA
64 NRESET
65
66 /DA1_MUTE PO127
67 /DA2_MUTE PO126
68 D3_MUTEN PO125
69 D3_PROTN
70 /ICS
71 AUPH
72 MIC_DET
73 /SW_MUTE
74
75 PW_RY
76 VSS
77 HPD1ENB
78 HPD2ENB
79 /ICV
80 TUNER_MUTE
81 TUNER_TUNED
82 /TUNER_CE
83 TUNER_STEREO
84 Reserved
85 Reserved
86 Reserved PO124
87 /RDS_CE/XM_RES PO123
88 RDS_RX PO122
89 OSD_CLK PO121
90 OSD_TX PO120
91 VCC
92 OSD_RESET
93 VSS
94 /OSD_CE
95 OSD_BUSY
96 DDC_SEL0
97 DDC_SEL1
98 SCL_DAB
99 SDA_DAB
100 /FL_CE
101 FL_ON
102 PW_DOWN
103 STBY_SW
104 /REM_CTL
105 PWR_ENB
106 /RES_C
107 DDC_ENB
108 XMREV
109 XMLINK
110 Reserved
111 E2PROM_RX
112 E2PROM_CLK
113 E2PROM_TX
114 Reserved PO114
Port I/O
Output Open (/CSY2)
VSS
Output Chip select signal to front-end DSP
VCC2
PI131 Input BUSY signal from front-end DSP
Output MUTE signal to front-end DSP
PI53 Input READY signal from front-end DSP
PO52 Output RESET signal to front-end DSP
PO51 Output RESET signal to back-end DSP
PI50 Input Terminated
Output MUTE signal to DAC for sub-woofer
Output MUTE signal to DAC for woofer
Output MUTE signal to D3 digital AMP
PI47 Input Protection detection signal from D3 digital AMP
PO46 Output Reset signal for video scaler IC
PO45 Output Video to HDMI ON/OFF
PI44 Input MIC detection signal
PO43 Output MUTE signal of sub woofer
VCC2 GND
PO42 Output Power relay control signal
VSS
PO41 Output HDMI HPD1ENB
PO40 Output HDMI HPD2ENB
PI37 Output Reset signal for video decoder IC
PO36 Output MUTE signal to FM tuner
PI35 Input TUNED signal from FM tuner
PO34 Output Chip select signal to FM tuner
PI33 Input STEREO signal from FM tuner
PI32 Open (RDS_RX)
PO31 Open (RDS_CLK)
Open (RDS_TX)
Output Chip select signal to RDS
RESET signal to XM LSI
Input Serial data input from RDS
Output Clock output to OSD/RDS/FL driver
Output Data output to OSD/RDS/FL driver
VCC2
PO30 Output RESET signal to OSD LSI
VSS
PO27 Output Chip select output to OSD driver
PI26 Input BUSY signal from OSD LSI
PO25 Output HDMI DDC select0 output
PO24 Output HDMI DDC select1 output
PO23 Output Clock output to DAB tuner
PO22 Input/Output Data line between DAB tuner
PO21 Output Chip select signal to FL driver
PO20 Output RESET signal to FL driver
/INT5 Input Power down detection signal
/INT4 Input Standby witch input
/INT3 Input Remote control signal input
PO14 Output Power supply control for HDMI
PO13 Output RESET signal to HDMI CEC
PO12 Output HDMI DDC enable output
PI11 Input XM Rev detection
PO10 Input XM link
PO07 Output Terminated
PO06 Input Data signal from EEPROM
PO05 Output Clock signal to EEPROM
PO04 Output Data signal to EEPROM
Input Pull down
YSP-4000/YSP-40D/HTY-7040
Detail of Function
63