★
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
B
C
D
E
F
H
I
J
K
L
M
N
87
MAIN 4/5
YMC-700/YMC-500
W2001
0
0
0
0
5.1
0
0
2.5
0
0
0
0
0
0
0
0
0
0
0
2.5
5.1
0
5.1
0
2.5
0
0
0.8
5.1
0
0
5.1
2.6
3.2
5.1
2.6
3.3
IC201
: 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
14
15
4
IC202
: NJM2580M (TE2)
Single supply wide band 3 ch video amplifier
13
VOUT1
11
VOUT2
9
VOUT3
8
VSAG
10
V+3
14
V+1
12
V+2
2
GND1
4
GND2
6
GND3
7
PowerSave
5
VIN3
1
VIN1
3
VIN2
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
CLAMP
REF
VIDEO IN
INPUT SELECTOR
YMC-500
to MAIN 3/5
to MAIN 3/5
to MAIN 3/5
to MAIN 5/5
YMC-700
w
w
w
.
x
i a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
