★ 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.
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JKLMN
RX-V671/HTR-6064/RX-A710
144
VIDEO 1/3
IC301
IC301
IC301
IC302IC303
IC308
IC307
IC306
IC303IC303IC303
CB301
IC305
IC305
IC301
IC302
W3001
IC310
IC310
IC310
IC305
CB302
CB303
IC305
IC305
IC305
IC305
IC310: FHP3350IM14X
Triple voltage feedback amplifier
1
2
3
4
5
6
7
8
14
13
12
11
10
9
NC or DISABLE1
NC or DISABLE2
NC or DISABLE3
+Vs
+IN1
-IN1
OUT1
OUT3
OUT2
-IN3
+IN3
+IN2
-IN2
-Vs
IC305: LA73050-TLM-E
6-channel 75-ohm video driver
IC308: LC709004A-TLM-E
I/O-expander for microcontroller
Control logic
port 0 I/O buffer
Serial/parallel converter/shift register
I/O control/output register
DIN
VDD
DOUT
VSS
CLK#
CS#
RES#
P00
P07
2
14
15
19
3
4
21
24 17
port 1 I/O buffer
P10
P17
15 8
IC306: NJM2581M
Video amplifier
13
VOUT1
11
VOUT2
9
VOUT3
8
GND
10
V+3
14
V+1
12
V+2
2
NEE1
4
VEE2
6
VEE3
7
PowerSave
5
VIN3
1
VIN1
3
VIN2
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
BIAS
REF
41
62
COM 3
74
55
INH 6
VEE 7
GND 8
Vcc16
215
114
013
312
A11
B10
C9
IC307: TC74HC4051AFEL
8-channel analog multiplexer/demultiplexer
Logic Level Converter
OUT
C
IN
OUT
C
IN
A
B
C
INH
COM
0
1
2
3
4
5
6
7
IC301-303: 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
VCCINHIBIT
A
B
C
GND
VEE
0X
1X
0Y
1Y
0Z
X-COM
Z-COM
Y-COM
SW
SW
SW
SW
SW
SW
11
616
10
9
8
7
12
13
2
5
3
1
14
15
4
AV 1
COMPONENT
VIDEO
VIDEO
to VIDEO 2/3
VIDEO (1)
AV 2
AV 3
AV 4
AV 5
AV 6
AV OUT
MONITOR OUT
VIDEO
COMPONENT
VIDEO
to DIGITAL (1)_CB21
Page 128
B1
to OPERATION (2)_CB455
Page 138
I10
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