Yamaha DSP-AX1/RX-V1, Service Manual, Page: 84 / 120

A B C D E F G H
1
2
3
4
5
6
I J K L
7
8
DSP-AX1/RX-V1
0
0
0
0.6
0.6
4.9
4.7
4.7
4.9
0.5
0.5
4.9
0.5
0.5 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0 0.5
0 0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-0.2
-0.1
-0.1
0
0
0
-0.1
0
-0.1
1.4
0
-0.2
-0.2
0.2
0.7
1.4
4.9
0.7
0 0
0 0
0 0
0 0
0
4.9
4.9
0
0
-4.9
0
0
4.9
4.9
0
0
-4.9
0
0
4.9
4.9
0
0
-4.9
-4.9
0
0
4.8
-4.9
4.9
0
4.8
CIRCUIT CHANGES BY MARKET.
X : NOT USED
O : USED
■
SCHEMATIC DIAGRAM (SUB TRANS)
* All voltage are measured with a 10M
Ω
/V DC electric volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
LEVEL
CONVERTER
BINARY TO 1-OF-8
DECODER WITH INHIBIT
11
10
9
8
7
6 16
13 SW
SW
SW
SW
SW
SW
SW
SW
14
15
12
1
5
2
4
3
INHIBIT VDD
X
A
B
C
VSS
VEE
X0
X1
X2
X3
X4
X5
X6
X7
IC111, 112 : TC74HC4051AP
Analog Multiplexer/Demultiplexer
INPUT STATES
INHIBIT
0
0
0
0
0
0
0
0
1
C
0
0
0
0
1
1
1
1
X
B
0
0
1
1
0
0
1
1
X
A
0
1
0
1
0
1
0
1
X
“ON” CHANNEL (S)
0
1
2
3
4
5
6
7
NONE
IC113 : TC74HC4053AP
Triple 2-Channel Multiplexer/Demultiplexer
16
VDD
LOGIC LEVEL
CONVER
TER
12
OX
7
VEE
6
INH
OUT C IN
13 IX OUT C IN
2 OY OUT C IN
1 IY OUT C IN
5
OZ OUT C IN
3
IZ OUT C IN
4
Z-COMMON
15
14
X-COMMON
Y-COMMON
9 C
10 B
11
A
8
VSS
INHIBIT
(Pin 6)
L
L
L
L
L
L
L
L
H
CONTROL INPUTS “ON” CHANNEL
0X (Pin 12), 0Y (Pin 2), 0Z (Pin 5)
1X (Pin 13), 1Y (Pin 1), 1Z (Pin 3)
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
0X, 1Y, 1Z
1X, 1Y, 1Z
NOTE
C
(Pin 9)
L
L
L
L
H
H
H
H
*
B
(Pin 10)
L
L
H
H
L
L
H
H
*
A
(Pin 11)
L
H
L
H
L
H
L
H
*
* Don’t Care
IC114 : LA7108M
75
Ω
Video Driver
6dB DR
6dB DR
6dB DR
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VIN1+
NFB1
MUTE1
VIN2+
NFB2
–VCC1
VIN3+
NFB3
+VCC
VOUT1
GND
VOUT2
MUTE2
VOUT3
MUTE3
–VCC2
IC901~903 : TC74HC4052AP
Analog Multiplexers/Demultiplexers
16
VDD
6
INHIBIT
10
A
9
B
8
VSS
7
VEE
12
X0
14
X1
15
X2
11
X3
1
Y0
5
Y1
2
Y2
4
Y3
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13
X
3
Y
INHIBIT
0
0
0
0
1
B
0
0
1
1
X
A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
E-99/J-91
P-E96/J88
E-1
P-E97/J89
F-2
P-E95/J87
E-1