Yamaha RX-V671 Service Manual page 76

RX-V671/HTR-6064/RX-A710
Pin
Port Name
No.
IIO0_4/TXD6/SDA6/
158 SRXD6/AN15_4/ EX1_N_RST
P15_4
IIO0_3/N_RTS7/N_
159 AD_SEL_A
CTS7/AN15_3/P15_3
IIO0_2/RXD7/
160 AD_SEL_B
AN15_2/P15_2
IIO0_1/CLK7/
161 IR_OUT
AN15_1/P15_1
162 VSS VSS
IIO0_0/TXD7/
163 AD_SEL_C
AN15_0/P15_0
164 VCC VCC
165 KI3/AN_7/P10_7 +3.3S_PON
166 KI2/AN_6/P10_6
167 KI1/AN_5/P10_5 AD1_COM
168 KI0/AN_4/P10_4 DEST
169 AN_3/P10_3 MODEL
170 AN_2/P10_2 KY_AD2
171 AN_1/P10_1 KY_AD1
172 AVSS AVSS
TUN_N_RST
173 AN_0/P10_0
HDR_N_RST
174 VREF VREF
175 AVCC AVCC
STXD4/SCL4/RXD4/ TUN_SCL
176
ADTRG/P9_7 HDR_MISO
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Ohm 0
V 0 – 0.15
A/D conversion value
0 – 11
(3.3 V=255)
RADIO
KEY1 (171 pin)
(SCENE4)
Ohm 0
V 0 – 0.15
A/D conversion value
0 – 11
(3.3 V=255)
KEY2 (170 pin) PURE DIRECT
Destination detection for AD port
Pull-up resistance 10 k-ohms
R3809
0
(VIDEO P.C.B.)
V 0 – 0.16 0.17 – 0.51
A/D conversion value
0 – 12
(3.3V=255)
Destination
J
(168 pin)
76
Related Power Supply
Function Name ON
I/O Logic I/O
O L act
O
O
O Data
O
O H act
--- I A/D
I A/D
I A/D
I A/D
I A/D
I A/D
O L act
O L act
O Data
I Data
+ 1.0 k + 1.0 k + 1.5 k
0.15 – 0.42 0.43 – 0.70 0.71 – 0.97
12 – 32 33 – 54 55 – 75
CD TV BD/DVD
(SCENE3) (SCENE2) (SCENE1)
+ 1.0 k + 1.0 k + 1.5 k
0.16 – 0.42 0.43 – 0.70 0.71 – 0.99
12 – 32 33 – 54 55 – 77
TUNING TUNING
AM
>> <<
1.2 k 2.7 k 4.7 k
0.52 – 0.87 0.88 – 1.92 1.93 – 1.49
13 – 39 40 – 67 68 – 92 93 – 115
U C R, S
OFF
Logic
O Low Expansion IO 1 reset
O Low AD select A
O Low AD select B
O Low Remote control cord output
---
O Low AD select C
---
O Low +3.3S power supply
O Low No used
O Low AD selector 1 COM input
O Low Destination distinction
O Low Model distinction
O Low Key 2
O Low Key 1
---
O Low Tuner reset
O Low HD Radio reset (U model)
---
---
O Low Tuner I2C clock
O Low HD Radio reception data (U model)
+ 1.5 k + 2.2 k 22.0 k
0.98 – 1.24 1.25 – 1.53 2.23 – 2.62
76 – 96 97 – 119 182 – 197
ZONE2 ZONE2
MAIN ZONE
CONTROL ON/OFF (power)
+ 1.8 k + 2.2 k + 3.3 k
1.00 – 1.27 1.28 – 1.56 1.57 – 1.86
78 – 99 100 – 121 122 – 144
PRESET PRESET
FM
>
6.8 k 10.0 k 15.0 k 47.0 k
1.50 – 1.81 1.82 – 2.35 2.36 – 2.86
116 – 140 141 – 169 199 – 221
T K A B, G, F
Detail of Function
33.0 k
2.63 – 3.04
198 – 209
TONE
CONTROL
+ 4.7 k + 6.8 k
1.87 – 2.14 2.15 – 2.39 2.40 – 2.65
145 – 166 167 – 186
MEMORY INFO STRAIGHT
<
100.0 k
2.87 – 3.15
222 – 244
L
+ 10.0 k
187 – 205