Yamaha RX-V461 Service Manual page 29

RX-V461/HTR-6040/DSP-AX461
IC206
Pin No. Port Name
1 /OE
2 1D
3 2D
4 3D
5 4D
6 5D
7 6D
8 7D
9 8D
10 GND
11 LE
12 8Q
13 7Q
14 6Q
15 5Q
16 4Q
17 3Q
18 2Q
19 1Q
20 VCC
IC207
Pin No. Port Name
1 /OE
2 1D
3 2D
4 3D
5 4D
6 5D
7 6D
8 7D
9 8D
10 GND
11 LE
12 8Q
13 7Q
14 6Q
15 5Q
16 4Q
17 3Q
18 2Q
19 1Q
20 VCC
42
Function Name
/EXPE Extended port enable
D00 Data bus 00
D01 Data bus 01
D02 Data bus 02
D03 Data bus 03
D04 Data bus 04
D05 Data bus 05
D06 Data bus 06
D07 Data bus 07
DGND Ground of external
LEEX2 Bank select 2
/VR1 Video select R
SPISEL5 CE for tuner
/8ohmSW AC H/L relay (RY106, MAIN P.C.B.)
HPRY Headphone relay (RY102, MAIN P.C.B.)
MRYA Main speakers A relay (RY101, MAIN P.C.B.)
MRYB Main speakers B relay (RY102, MAIN P.C.B.)
CSRY Center/surround speakers relay (RY103/RY105, MAIN P.C.B.)
/SWMT Subwoofer mute
EX3.3 Power supply
Function Name
/EXPE Extended port enable
D08 Data bus 08
D09 Data bus 09
D10 Data bus 10
D11 Data bus 11
D12 Data bus 12
D13 Data bus 13
D14 Data bus 14
D15 Data bus 15
DGND Ground of external
LEEX2 Bank select 2
DST Direct stereo
/OSDSEL OSD/Video select
MON Monitor mute
/SPISEL6 CS for OSD (IC342, VIDEO P.C.B.)
VIC Video select C
–
Ex2-09/VIB Video select B
Ex2-08/VIA Video select A
EX3.3 Power supply
Detail of Function
Detail of Function