Yamaha RX-Z1 Service Manual page 93

A B
SCHEMATIC DIAGRAM (SUB TRANS 2/2)
1
2
FRONT L
0.6
0
-35.1
12.0
3
0
0.6
0
-35.1
REAR L
4
REAR CENTER
CENTER
0.6
0
-59.3
5
-59.3
-59.6
-60.2
L
6
IC111, 112: TC74HC4051AP
Analog Multiplexer/Demultiplexer
INHIBIT VDD
6 16
A 11
7
LEVEL BINARY TO 1-OF-8
B 10
INPUT STATES
CONVERTER DECODER WITH INHIBIT
C 9 "ON" CHANNEL (S)
INHIBIT C B A
VSS
8
0 0 0 0
VEE
7
0 0 0 1
X0 13 SW
0 0 1 0
X1
14 SW
0 0 1 1
X2 15 SW
0 1 0 0
X3 X
12 SW 3 0 1 0 1
X4 1 SW 0 1 1 0
X5 0 1 1 1
5 SW
X
1 X X
X6 2 SW
X7
4 SW
8
9
C D E
0
-58.7
0.6
0.1
-36.0
-1.1
-58.7
-35.1
-35.8
0.6
0 0
-58.9
-36.0
-1.1
-35.1
-35.8
-58.9
0.6
0
0
-59.6 -58.6
-59.6 -58.6
-58.5
-59.3 -60.6
-60.2
-60.6
-60.3
0
IC113: TC74HC4053AP
Analog Multiplexer/Demultiplexer
INHIBIT VDD
6 16
A INPUT STATES
11
LEVEL BINARY TO 1-OF-8
INHIBIT
B 10
CONVERTER DECODER WITH INHIBIT
C 9
VSS
0 8
1
VEE 7
2
0X 12 SW
14 X-COM
3
1X
13 SW
4
0Y 2 SW
5
15 Y-COM
1Y 1 SW
6
0Z SW
7 5
4 Z-COM
NONE 1Z 3 SW
F G
0.6 0.6
0
-58.9
-58.9
-57.9
-58.6
-58.9
-59.6
-59.6
-59.3
0.4
0.4
0.2
0.6 0.6
0
0
-58.6
0
-58.6
-57.9
-58.6
-58.6
-58.5
-59.5
-59.3
0.6 0.6
0
-58.6
-58.6
-57.8
-58.7
-58.6
-59.5 -59.5 -59.5
IC114: LA7108M
Video Amp
VIN1+ 1 16 +VCC
"ON" CHANNNEL (S)
C B A
NFB1 2 15 VOUT1
6dB DR
0 0 0 0 0X, 0Y, 0Z
0 0 0 1 1X, 0Y, 0Z
0 0 1 0 0X, 1Y, 0Z MUTE1 3 14 GND
0 0 1 1 1X, 1Y, 0Z
0 1 0 0 0X, 0Y, 1Z VIN2+ VOUT2
4 13
0 1 0 1 1X, 0Y, 1Z
6dB DR
0 1 1 0 0X, 1Y, 1Z
NFB2 5 12 MUTE2
0 1 1 1 1X, 1Y, 1Z
1 X X X NONE
-VCC1 6 11 VOUT3
7
VIN3+ 6dB DR 10 MUTE3
NFB3 8 9 -VCC2
H I J
from VIDEO (3)
Page 108
J6
0 13 3 0
0 14
0 15
0 12
0 1
5
0
0 4
0 2
0 13 3 0
0 14
0 15
0 12
0 1
0 5
0 4
0 2
1 0
4 0 0 15 2 0
-0.1 13
5 0
1
0
-0.1 15
2 0
7 0
0 11
8 0
13 0
14 12 0
0
4.9
3 0
4 5 0
0
1.4
0.7
4.9
1.4
0.8
# All voltages are measured with a 10MΩ/V DC electric volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
K L
RX-Z1/DSP-AZ1
from VIDEO (1)
Page 106
F1
4.9
0 4.9
-5.0 0
0 0
4.9
0 4.9
-5.0 0
0 0
4.9
0 0
-5.0 0
0 4.9
4.9
4.9 0
4.9
-5.0
0
-5.0
110