Yamaha RX-V800 Service Manual page 32

RX-V800/RX-V800RDS/HTR-5280
No. Port No. Function name
76 VSS VSS
77 P41
78 P40
79 P37
80 P36
81 P35
82 P34
83 P33
84 P32
85 P31
86 P124 SCKA
87 P123 SDTA
88 P122 CEL
89 P121 RIMA
90 P120 RIMB
91 VCC VCC
92 P30
93 VSS VSS
94 P27
95 P26
96 P25
97 P24
98 P23
99 P22
100 P21
101 P20
102 P17
103 P16
104 P15
105 P14
106 P13
107 P12
108 P11
109 P10
110 P07
111 P06
112 P05
113 P04
114 P114 /MLV
115 P113 PRY
116 P112 SPE
117 P111 SPB
118 P110 SPA
119 P03
120 P02
121 P01
122 P00
123 P157 TUN0
124 P156 TUN1
125 P155 ISA/BSW
126 P154 ISB/PSW
127 P153 /HP
128 P152 TMT
129 P151 /TUNED
130 VSS VSS
131 P150 /ST
132 VCC VCC
133 P107 RMV
134 P106 REC
135 P105 PREMT
136 P104 ADKEY1
137 P103 ADKEY0
138 P102 AN2
139 P101 AN1
140 AVSS VSS
141 P100 AN0
142 VREF VREF
143 AVCC AVCC
144 P91 RXDR
Voltage 0.0
KEY0 PRESET ¶ PRESET • PRESET/EDIT
KEY1 6CH INPUT INPUT ¶
31
I/O Detail of function
VSS Microcomputer ground
O Clock output for audio IC
O Data output for audio IC
O Enable output for audio IC of sanyo
O Power rimitter A
O Power rimitter B
VCC Microcomputer power supply +5V
VSS Microcomputer ground
O Main level
O Power relay
O Speaker relay at effect
O Speaker relay at main B
O Speaker relay at main A
I Tuner step 0
I Tuner step 1
I Program rotary A / BASS EXT switch
I Program rotary B / PR.DIRECT switch
I Headphone detect
O Tuner mute
I Tuner meter
VSS Microcomputer ground
I Tuner stereo
VCC Microcomputer power supply +5V
I Power rimitter for model distinction
I REC OUT selector
I Power rimitter detect
I Key tact switch 1
I Key tact switch 0
I Temperature detect
I Power amplifier DC protection
VSS AD ground
I Power supply protection
VCC AD reference
VCC AD power supply
I 232C receive data / Yokokawa data receive
0.5 1.0 1.5
FM/AM
INPUT • INPUT MODE
2.0 2.5 3.0
MEMORY TUNING MODE RDS MODE
SPA SPB EFFECT
ON OFF BU
Just before
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O OL OL
O OL OL
O OL OL
O OL OL
O OL OL
Just before
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O OL OL
O OL OL
O OL OL
O OL OL
O OL OL
Just before
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Just before
I I OL
I I OL
I I OL
I I OL
I I OL
O OL OL
I I OL
I I OL
I I I
I I I
I I I
I I I
I I I
I I I
I I I
VSS VSS VSS
I I I
VCC VCC VCC
VCC VCC VCC
I I OL
3.5 4.0 4.5
EON PTY SEEK MODE PTY SEEK START
PROGRAM ¶ PROGRAM • A/B/C/D/E