Yamaha DSP-AX763, Service Manual

Page: 114 / 155

CB303
CB302
IC305
IC304
IC302
IC303
IC301
IC333
IC333
IC333
IC333
IC333
IC333
IC332
IC332
IC332
IC332
IC332 IC333
IC332
IC332
CB301
CB304
CB305
IC331
IC331
JK301
JK302
JK303
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V663/HTR-6160/DSP-AX763
114
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★ 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.
VIDEO 1/2
4.6
4.6
4.6
4.9 9.0
12.0
0
4.6
9.0 5.0
4.9
9.0
5.0
4.9
0.2 0.2
4.9
0 0
-4.7
4.9
0
-4.7 -4.7 4.9 0
-4.7
0 0
-4.7
4.9
0
-4.7 -4.7 4.9 0
-4.7
0
0
0
0.9
0.4
0
0
0
0
0
0.4
0.9
0.4
0.4
0.9
0.7
0.4
0.9
-4.8
0.2
0.9
-4.8
0.2
0.9
-4.8
0.2
0 0
0 0
0
-4.8
5.0
0.7
0.7
0.7
0
0
0
0
0
-11.9
11.5
0
0
0.2 0
-4.8
0
0
0
0
0
0
5.0
5.0
0.1
0
0.1
0.1
4.9
0.2 0
-4.8
0
0
0
0
0
0
5.0
0
0
5.0
5.0
0.1
0.1
0.1
0.1
4.9
0
5.0
0
0 0.5
5.0
0
0
0
0
5.0
0
0
0
5.0
0
0
0.5
5.0
0
0
0
5.0
0
0
0
5.0
0
0 0
5.0
0
0 0
0.2
-4.8 9.0
0 9.0
0 0
0 0
0 0
0 0
0
9.1
IC332, 333 : LA73050-TLM-E
6-channel 75-ohm video driver
IC305 : NJM2388F09
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V IN
Cont
GND
V
OUT
Over Current
Protection Thermal
Protection
IC331 : NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
IC304 : TC74HC4053AF
Analog multiplexer/demultiplexer
INPUT STATES
INHIBIT
0
0
0
0
0
0
0
0
1
"ON" CHANNEL (S)
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
0X, 1Y, 1Z
1X, 1Y, 1Z
NONE
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
BINARY TO 1-OF-8
DECODER WITH INHIBIT
LEVEL
CONVERTER
VCC INHIBIT
A
B
C
GND
VEE
0X
1X
0Y
1Y
0Z
X-COM
Z-COM
Y-COM
SW
SW
SW
SW
SW
SW
11
6 16
10
9
8
7
12
13
2
5
3
1
4 1
6 2
COM 3
7 4
5 5
INH 6
V
EE
7
GND 8
Vcc 16
2 15
1 14
0 13
3 12
A 11
B 10
C 9
IC302, 303 : TC74HC4051AFEL
8-channel analog multiplexer/demulitiplexer
Logic
Level
Converter
OUT C IN
OUT C IN
A
B
C
INH
COM
0
1
2
3
4
5
6
7
14
15
4
IC301 : TC4051BF
Multiplexer/demultiplexer
I/O c O/I
16
11
10
6
8 7
13
14
15
12
1
5
2
4
3
0
1
2
3
4
5
6
7
COMMON
VEE VSS
INH
B
9 C
A
VDD
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
LOGIC LEVEL CONVER
TER
RECOUT AMP
INPUT
SELECTOR
BYPASS SW
OUTPUT AMP
VIDEO (1)
No replacement par
t a
v
ailab
le
.
サービス部品供給なし
VIDEO
MONITOR OUT
to DIGITAL_CB80
Page 109 E2
to FUNCTION (1)_W2503
DOCK
Page 110 A5
to FUNCTION (6)_CB296
Page 111 B5
to MAIN (2)_W114
Page 113 K9