Yamaha RX-V467 Service Manual page 109

A B C
VIDEO 1/3
1
Page 111
to VIDEO (8)_CB354
2
AV 1
COMPONENT
VIDEO
3
AV 2
AV 3
4
VIDEO
AV 4
AV 5
5
AV 6
AV OUT
6
7
8
COMPONENT
VIDEO
MONITOR OUT
9
VIDEO
10
D E F
H6
(J model)
0
0
0
0
0
0
0
0
0
0
IC301
0
0
0
0
0
0
0
5.0
0
-5.8
0
5.0
0
CB301
0 0
-5.8 0
0 0
0
0 0
0
0 0
0
0 0
5.0
0
0
IC305
0
0
0.3 0
5.0 0
3.4 4.8
5.0 0
3.4 0
0 4.8
5.0 5.0
5.0 5.0
5.0 0
0 0
0 0
EXTERNAL I/O PORT
0 0
-5.8
0
4.8 0
0 0
0 0
0 0
0 0
5.0 0
OUTPUT
INPUT
AMP
SELECTOR
0 0
0 -5.8
5.0 0
0 -5.8
5.0 0
0 -5.8
5.0 0
0
0
IC305 0
5.0
G H I
IC309
5.0
0
0
IC310
0
IC304
5.0
0
0
0 IC310
0
5.0
5.0
0
0
IC310
0
0 0
-5.8
IC305
0.3
-1.2
-5.8
IC302
IC302
IC302
IC301
J K L
IC303: TC74HC4053AF
Analog multiplexer/demultiplexer
INHIBIT VCC
6 16
A 11
LEVEL
B
10 CONVERTER
C 9
GND 8
7
VEE
12
0X SW
1X 13
2
0Y
1Y 1
0Z
5
3
INPUT STATES
0 0 0 "ON" CHANNEL (S)
INHIBIT C B A
5.0 5.0 5.0
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 0 0 0 0 0
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 X X X
5.0
0.3
5.0
3.3
3.3
0
Page 106 J9
0
5.0
to OPERATION (2)_CB459
0
0
0
0
CB303
IC306: NJM2581M
Video amplifier
VIN1 1
BIAS
NEE1 2
VIN2 3
BIAS
VEE2
4
VIN3 5
BIAS
VEE3 6
PowerSave 7
CB304 CB305
VIDEO (1)
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced ●
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
M N
RX-V467/HTR-4063
IC305: LA73050-TLM-E
6-channel 75-ohm video driver
BINARY TO 1-OF-8
DECODER WITH INHIBIT
X-COM
14
SW
SW
Y-COM
15
SW
SW
Z-COM
4
SW
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
IC307: TC74HC4051AFEL
8-channel analog multiplexer/demultiplexer
COM
4 1 16 Vcc
OUT C IN 0
6 2 15 2
1
A COM 3 14 1
2
7 4 13 0
3
B 5 5 12 3
4 INH 6 11 A
V 7 10 B
5 EE
C
GND 8 9 C
6
OUT C IN 7
INH
IC308: LC709004A-TLM-E
I/O-expander for microcontroller
75
6dB
Driver 14 V+1 DIN 2 Serial/parallel converter/shift register 14 DOUT
AMP
CLK# 3 15 VDD
13 VOUT1
19 VSS
CS# 4
6dB 75
12 V+2
AMP Driver
RES# 21 I/O control/output register
11 VOUT2
75 port 0 I/O buffer port 1 I/O buffer
6dB
Driver 10 V+3
AMP
24 17 15 8
9 VOUT3
REF 8 GND
IC310: FHP3350IM14X
Triple voltage feedback amplifier
NC or DISABLE1
1 14 OUT2
2
NC or DISABLE2 13 -IN2
NC or DISABLE3 3 12 +IN2
4
+Vs 11 -Vs
+IN1 5 10 +IN3
6
-IN1 9 -IN3
OUT1 7 8 OUT3
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
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