15
LC-20B2UA
LC-20B2UB
Test patterns in adjustment process mode
[1] IC801 (Video decoder) test patterns
1-1. Getting the test patterns displayed
Put the screen in AV1, AV2 or COMPONENT but keep out any signal. Call the adjustment process mode,
select “TEST PATTERN” in the 3rd line of page 7, make the settings 1 thru 6, and the following test patterns
show up.
1-2. Test patterns
»
Setting 1
»
Setting 2
Finer vertical stripes than Setting 1 are displayed.
»
Setting 3
»
Setting 4
A rather dark green-only pattern is displayed.
»
Setting 5
A half-tone green-only pattern is displayed.
»
Setting 6
A rather bright green-only pattern is displayed.
[2] IC1201 (LCD controller) test pattern
2-1. Getting the test pattern displayed
Put the screen in AV1, AV2 or COMPONENT but keep out any signal. Call the adjustment process mode,
select “G/A TEST PATTERN” in the 13th line of page 16, turn on the setting, and the following test pattern
shows up.
2-2. Test pattern
The following test pattern appears.
Note: When the IC801 and IC1201 test pattern display commands are both turned on at the same time, the IC1201
test pattern is given priority.
The color bars are displayed as shown at left.
The green pattern is displayed as shown at left.
g
reen
g
reen
Y
ello
w
Y
ello
w
Cy
an
Cy
an
Magenta
Magenta
Green
Green
Red
Blue
Bright
Bright
Dark
Green
Bright
Bright
Bright
Bright
Dark
Dark
Dark
Dark
Dark
Dark
Dark
Dark
Green
Red
Blue
Black
0-level
gradation
White
63-level
gradation
W
h
i
t
e
Gray
16-level
gradation
Gray
32-level
gradation
Gray
48-level
gradation
Gray scale
Summary of Contents for Aquos LC 20B2UB
Page 27: ...27 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 INVERTER B Unit INVERTER A Unit ...
Page 31: ...31 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM ËCONTROL and RC LED Unit ...
Page 32: ...32 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 1 5 ...
Page 33: ...33 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...
Page 34: ...34 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 2 5 ...
Page 35: ...35 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...
Page 36: ...36 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 3 5 ...
Page 37: ...37 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...
Page 38: ...38 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 4 5 ...
Page 39: ...39 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...
Page 40: ...40 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 5 5 ...
Page 41: ...41 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...
Page 42: ...42 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 1 2 ...
Page 43: ...43 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...
Page 44: ...44 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 2 2 ...
Page 45: ...45 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...
Page 46: ...46 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H Ë INVERTER A Unit ...
Page 47: ...47 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H Ë INVERTER B Unit ...
Page 49: ...49 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H DIGITAL Unit Side B CONTROL Unit Side B ...
Page 51: ...51 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H ANALOG Unit Side A ...