Input Selector - Yamaha RX-V667 Service Manual

A B C
RX-V667/HTR-6063/RX-A700
VIDEO 1/3
1
2
AV 1
COMPONENT
VIDEO
3
AV 2
4
AV 3
AV 4
AV 5
VIDEO
5
AV 6
AV OUT
6
7
8
COMPONENT
VIDEO
MONITOR
OUT
9
VIDEO
10
118
D E F
4.9
IC301
0 0
0
0 0 -4.9 0
0 0 0
0 0
IC301
4.9
0 0
-4.9 0
0 0
4.9
CB301
0 0
-4.9 0
0 0
COMPONENT

INPUT SELECTOR

0
0 0
0
0 0
0
0 0
5.0
0
0
IC305
0
0
0
0
5.0 0
3.3 0
0
5.0
0 0
0 0
5.0 5.0
0 5.0
0 0
0 0
5.0 5.0
EXTERNAL I/O PORT
0 0
-4.9
0
0 0
0 0
0 0
0 0
0
0
4.9 0
OUTPUT AMP
VIDEO
INPUT SELECTOR
0 5.0
0 -4.9
4.9 0
0 -4.9
4.9 0
0 -4.9
4.9
0
0
IC305 0
0
5.0
G H I
CB302
W3001
IC309
5.0
5.0
0
0 IC310 0
5.0
0
0 IC310 0
5.0
0
IC310 0
0 0
-4.7
IC305
-0.3
-1.0
-4.9
OUTPUT
SELECTOR
IC302 0
0 0
0
IC302
0 0
0
0 0
IC302
IC301
0
0
0
J K L
IC306: NJM2581M
Video amplifier
VIN1 1
2
NEE1
VIN2 3
IC304
VEE2 4
VIN3 5
6
VEE3
0 0 0 0
PowerSave 7
0 0 0 0 0 0 0
0
0
5.0
3.3
3.3
0 Page 115 H9
0
to OPERATION (2)_CB456
5.0
0
0
0
0
CB303
IC307: TC74HC4051AFEL
8-channel analog multiplexer/demultiplexer
A
B
C
INH
IC308: LC709004A-TLM-E
I/O-expander for microcontroller
DIN 2 Serial/parallel converter/shift register
CLK#
3
CS# 4
RES# 21
port 0 I/O buffer
24
0
0.7 Page 108 H2
0
to DIGITAL (1)_CB34
0.7
0
0.9
0
0.9
0
0
0
0
5.0
0
CB304
CB305
VIDEO (1)
M N
IC301-303: TC74HC4053AF
Analog multiplexer/demultiplexer
INHIBIT VCC
6 16
A 11
LEVEL BINARY TO 1-OF-8
B 10
CONVERTER DECODER WITH INHIBIT
C 9
GND 8
VEE 7
12 SW
0X
14 X-COM
1X 13 SW
0Y 2 SW
Y-COM
15
1Y 1 SW
0Z 5 SW
Z-COM
4
3 SW
INPUT STATES
"ON" CHANNEL (S)
INHIBIT C B A
0 0 0 0 0X, 0Y, 0Z
0 0 0 1 1X, 0Y, 0Z
0 0 1 0 0X, 1Y, 0Z
0 0 1 1 1X, 1Y, 0Z
0 1 0 0 0X, 0Y, 1Z
0 1 0 1 1X, 0Y, 1Z
0 1 1 0 0X, 1Y, 1Z
0 1 1 1 1X, 1Y, 1Z
1 X X X NONE
IC305: LA73050-TLM-E
6-channel 75-ohm video driver
6dB 75
14 V+1
AMP Driver
BIAS
13 VOUT1
6dB 75
12 V+2
AMP Driver
BIAS
11 VOUT2
6dB 75
10 V+3
AMP Driver
BIAS
9 VOUT3
REF 8 GND
COM
OUT C IN 0
1 4 1 16 Vcc
6 2 15 2
2
COM 3 14 1
3
7 4 13 0
4
5 5 12 3
5
INH 6 11 A
6
V EE 7 10 B
OUT C IN 7
GND 8 9 C
IC310: FHP3350IM14X
Triple voltage feedback amplifier
NC or DISABLE1 1
14 DOUT 14 OUT2
NC or DISABLE2 2 13
15 VDD -IN2
NC or DISABLE3 3 12
19 VSS +IN2
+Vs 4 11 -Vs
5
I/O control/output register +IN1 10 +IN3
6 -IN3
-IN1 9
OUT1 7 8 OUT3
port 1 I/O buffer
17 15 8
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ 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.