Sharp Aquos LC 20D30U, Руководство по обслуживанию

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LC-20D30U
[7] Adjustment
7-1. AD converter level adjustment
1
D3 input
1) Feeding the D3 75% color bar signal
Instrument used: LEADER LT446 or LEADER LT448
(1) LEADER LT446
Signal name: COLOR BAR 75%
Setting: 01: 1920 x 1080 / 60i
H: 33.72 kHz, V: 29.97 Hz
(2) LEADER LT448
Signal name: COLOR BAR
* Use the LT446-compatible third type out of the 3 color bar patterns.
Setting: 02: 1080i / 59.94 (30sF)
H: 33.72 kHz, V: 29.97 Hz
2) Turn on the AUTO GAIN-OFFSET1 item on Adjustment Process Page 7.
2
PC input
1) Feeding the XGA white 100% signal
Instrument used: LEADER LT448
Signal name: RASTER 100%
Setting: 28: XGA (1024 x 768)
H: 48.36 kHz, V: 60.00 Hz
2) Turn on the AUTO GAIN2 item on Adjustment Process Page 8.
7-2. TAMP adjustment
1) Receive the standard color bar signal.
2) Suppose that the "YDATA" reading on Adjustment Process Page 2 is not as specified in the table below. Adjust
the "NTSC TAMP" setting on the same page to have the "YDATA" reading as specified below.
* Note that the setting may be different from model to model.
3) Make sure that the "PAL-M TAMP" and "PAL-N TAMP" settings are 6 higher than the "NTSC TAMP" setting.
Reference
(Adjustment process menu: Page 2 screen)
Model LC-20D30U
Setting 155-158
0
2
1 2
T
Y
T
N
P
P
3
A
D
A
T
A
A
4
M
A
M
S
L
L
5
P
T
P
C
-
-
6
A
M
N
7
L
H
T
8
A
T
T
9
M
A
A
10
P
M
M
11
P
P
12 13 14 15 16 17 18 19 20 21
1
1
1
22
5
5
5
8
9
9
23
5
7
8
5
1
1
24 25 26
0
1
2
3
4
5
6
7
8
Y Data
(White 75%)
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