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A
B
SCHEMATIC DIAGRAM (VIDEO 2/2)
1
2
3
P-E76/J74
F-2
F AMP (1)
INPUT
SELECTOR
0
0
0
4
0
0
0
0
0
0
REC OUT
0
0
SELECTOR
0
0
5.0
0
0
0
0
-4.9
0
0
-4.9
5
0
-0.1
0
3.2
0
-0.1
0
3.2
VIDEO AMP
6
5.0
1.0
0
0
0.4
5.0
7
IC702, 703 : TC74HC4051AP
Analog Multiplexer/Demultiplexer
INHIBIT
VDD
6
16
A
11
LEVEL
BINARY TO 1-OF-8
B
10
CONVERTER
DECODER WITH INHIBIT
8
C
9
VSS
8
VEE
7
INPUT STATES
X0
13
SW
"ON" CHANNEL (S)
INHIBIT
C
B
A
X1
14
SW
0
0
0
0
0
X2
15
SW
0
0
0
1
1
X3
X
0
0
1
0
2
12
SW
3
0
0
1
1
3
X4
1
SW
0
1
0
0
4
X5
5
SW
0
1
0
1
5
X6
2
SW
0
1
1
0
6
0
1
1
1
7
X7
4
SW
1
X
X
X
NONE
C
D
E
P-E77/J75
G-2
5.0
0
4.9
-4.9
0
0
0
5.0
0
0
-4.9
0
0
0
IC752 : TC74HC4053AP
Triple 2-Channel Multiplexer/Demultiplexer
VDD
16
14
X-COMMON
A
11
OUT C IN
12
OX
OUT C IN
13
IX
B
10
OUT C IN
OY
2
CONTROL INPUTS
OUT C IN
1
IY
INHIBIT
C
B
A
0X (Pin 12), 0Y (Pin 2), 0Z (Pin 5)
(Pin 6)
(Pin 9)
(Pin 10)
(Pin 11)
1X (Pin 13), 1Y (Pin 1), 1Z (Pin 3)
C
9
OUT C IN
5
OZ
L
L
L
L
L
L
L
H
OUT C IN
3
IZ
L
L
H
L
L
L
H
H
INH
6
4
Z-COMMON
L
H
L
L
L
H
L
H
Y-COMMON
L
H
H
L
15
L
H
H
H
H
*
*
*
8
7
* Don't Care
VSS
VEE
F
G
P-E77/J75
P-E73/J71
H-2
L-3
5.0
5.0
0
-4.9
5.0
0
-4.9
0
0
0
-4.9
0
0
-0.1
0
0
5.0
COMPONENT VIDEO
SELECTOR
0
0
-0.1
0
0
5.0
0
0
-0.1
0
0
5.0
L
IC751 : LA7104M
Double Scart Interface
IC701 : LA7108M-TLM
Ω
75
Video Driver
VIN1+
1
VIN1+
1
16
+VCC
NFB1
NFB1
2
6dB
DR
15
VOUT1
2
MUTE1
MUTE1
GND
3
3
14
VIN2+
VOUT2
VIN2+
4
4
13
NFB2
5
NFB2
5
6dB
DR
12
MUTE2
"ON" CHANNEL
–VCC1
6
–VCC1
6
11
VOUT3
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
VIN3+
7
VIN3+
7
10
MUTE3
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
NFB3
0X, 1Y, 1Z
NFB3
8
6dB
DR
9
–VCC2
8
1X, 1Y, 1Z
NOTE
H
I
P-E73/J71
J-9
RS232C
INTERFACE
IC951 : HIN202ECBN-T
RS-232 Line Drive/Receiver
V
CC
16
C
1
+
1
16
+VCC
+5V TO +10V
VOLTAGE INVERTER
2
V+
C
1
–
3
6dB
DR
VOUT1
15
C
+
2
4
+10V TO –10V
6
V–
VOLTAGE INVERTER
GND
14
C
2
–
5
13
VOUT2
T
1
IN
11
T
14
T
1
OUT
1
Conditions
T
2
IN
10
T
7
T
2
OUT
2
• INPUT: DVD auto
6dB
DR
12
DR CTL
• PROGRAM: PRO LOGIC DSP
11
VOUT3
* All voltage are measured with a 10MΩ/V DC electric volt meter.
10
MUTE2
R
OUT
12
R
13
R
1
IN
1
1
* Components having special characteristics are marked Z and
R
OUT
9
R
8
R
IN
must be replaced with parts having specifications equal to those
6dB
DR
–VCC2
2
2
2
9
originally installed.
15
* Schematic diagram is subject to change without notice.
GND
J
K
DSP-AX2
P-E73/J71
C-9
P-E73/J71
D-9
E-78/J-76
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