Yamaha CinemaDSP digital RX-Z1, Руководство по обслуживанию

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B C D E F G H I J K L
109
SCHEMATIC DIAGRAM (SUB TRANS 1/2)
★
All voltages are measured with a 10M
Ω
/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.
RX-Z1/DSP-AZ1
IC901~903: TC74HC4052AP
Analog Multiplexer/Demultiplexer
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
x: NOT USED
O: USED / APPLICABLE
P
age 111
from MAIN (3)
D2
P
age 104
from FUNCTION (1)
D8
P
age 106
from VIDEO
(1)
G1
P
age 108
from VIDEO
(5)
A3
P
age 108
from VIDEO
(5)
A2
P
age 104
to FUNCTION (1)
E8
P
age 111
to MAIN (3)
A2
56K
56K
82K
82K
R484
R485
0
-0.7
4.9
-0.1
-0.2
-0.2
-0.2
-0.2
19.4 -20.2
-0.1
10.5
-11.4
AC 31.0
AC 17.4
AC 12.9
12.9
5.9 6.2
0
0.8
4.9
4.6
0.1 12.9
0 0.1
0.8
Page 107
to VIDEO (2)
C1