13
LC-20S5H/M/X
[4] Initialization
4-1. Ground pins (81) and (82) of IC2001 (microprocessor) and turn on the power.
4-2. Make sure the screen size is set at 20 inches.
4-3. Make sure the model number is "A646AH".
(Adjustment Process Menu Page 1)
[5]
5-1. Model-by-model sending data
Separately published.
5-2. ROM collection
Separately published.
[6] Adjustment
6-1. Common bias adjustment
1) Feed a built-in signal.
2) Apply the specified instrument at the center of the screen.
3) Observe the instrument output on an oscilloscope.
4) Adjust the "COM BIAS" setting on Adjustment Process Page 2 so that the peak-to-peak of the wave be
minimized.
6-2. TAMP adjustment
1) Receive the standard colour bar signal.
2) See if the "Y" reading (maximum) on Adjustment Process Page 2 is within the range in the following table.
If not, adjust the "NTSC TAMP" setting on the same page to have the "Y" reading (maximum) within this range.
Reference
(Adjustment Process Menu Page 2)
0
1
2
3
4
5
6
7
8
9
10
11 12 13
14 15 16
17 18 19
20 21 22
23 24 25 26
1
M
O
D
E
L
6
A
A
H
4
2
O
F
6
0
0
F
I
N
C
H
S
I
Z
E
E
R
R
O
R
N
O
R
E
S
E
T
P
U
B
L
I
C
M
O
D
E
0
1
2
3
4
O
F
F
E
X
T
C
O
N
T
R
O
L
4
6
Model
LC-20S5H/M/X
Setting (PAL)
155~158
0
1
2
3
4
5
6
7
8
9
10
11 12 13
14 15 16
17 18 19
20 21 22
23 24 25 26
2
C
O
M
B
I
A
S
4
5
5
1
0
5
5
1
8
5
1
1
8
9
0
9
0
T
A
M
P
L
Y
D
A
T
A
T
A
M
P
H
0
1
2
3
4
N
T
S
C
T
A
M
P
P
A
L
T
A
M
P
5
6
9
0
S
E
C
A
M
T
A
M
P
7
Y Data
(White 75%)
Summary of Contents for LC-20S5H Aquos
Page 27: ...29 LC 20S5H M X 28 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Page 29: ...31 6 5 4 3 2 1 A B C D E F G H LC 20S5H M X SCHEMATIC DIAGRAM Ë INVERTER Unit ...
Page 30: ...33 LC 20S5H M X 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 5 ...
Page 31: ...35 LC 20S5H M X 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 5 ...
Page 32: ...37 LC 20S5H M X 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 5 ...
Page 33: ...39 LC 20S5H M X 38 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 5 ...
Page 34: ...41 LC 20S5H M X 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 5 ...
Page 35: ...43 LC 20S5H M X 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SUB Unit 1 3 ...
Page 36: ...45 LC 20S5H M X 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SUB Unit 2 3 ...
Page 37: ...47 LC 20S5H M X 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SUB Unit 3 3 ...
Page 38: ...48 6 5 4 3 2 1 A B C D E F G H LC 20S5H M X Ë OPERATION Unit ...
Page 39: ...49 6 5 4 3 2 1 A B C D E F G H LC 20S5H M X Ë R C LED Unit ...
Page 60: ...77 LC 20S5H M X PACKING OF THE SET S5 S2 S3 X3 X4 X5 X2 X1 S4 S6 S3 S1 X1 R L ...