panas TX-51P100X, Руководство по обслуживанию, Страница: 22 / 108

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White Balance Adjustment (MARKET MODE CHK6)
Preparation
PICTURE MENU : DYNAMIC
C.TEMP :
STANDAR
AI : OFF
P-NR : WEAK
COLOR : 32
1. Receive a window pattern.
2. Align the High Light, Mod Light, and Low Light show below by using colour meter.
Blue Limit Adjustment (MARKET MODE CHK6)
Preparation
1. Receive a window pattern.
2. Connect an oscilloscope to TPLB4(LB-BOARD).
3. Set the TV to MARKET MODE [CHK6 mode].
4. Adjust Blue Limit Control.
A=30
±
1V
Adj.
Luminance
(cd/m
2
)
R B X Y
Colour
Temp
MPCD
Hi 200 R GAIN B-G GAIN 0.257±0.005 0.269±0.005 17500±500k +5±5
Mid 50 — B GAIN — 0.263±0.005 — —
Low 5 R CUT OFF B CUT OFF 0.259±0.005 0.264±0.005 16500±500k +15±5
H
GND
A=30±1V
Blue Focus / Gamma Adjustment
Preparation
PICTURE MENU: DYNAMIC CONTRAST MAX(63)
MARKET MODE CHK2,6
C.TEMP : STANDARD B-G GAIN (CHK6) : MAX
B-G-ST1 : 170
AI : OFF SUB CONTRAST (CHK2) : MAX
P-NR : WEAK B-GAIN (CHK6) : MAX
COLOR : 32
1. Receive a window pattern.
2. Cover the Green, Red CRT lens, projecting Blue only.
3. Set the White Balance meter in center area of screen.
4. Adjust blue focus VR until brightness, Y, is minimum.
5. Turn blue focus VR clockwise until the measurement is Y + 20 ± 1 cd/m
2
.
6. Set B-G GAIN (CHK6) to Original Data.
7. Set SUB CONTRAST (CHK2) to Original Data.
8. Set B-GAIN (CHK6) to Original Data.
9. Set the White Balance meter in center area of screen.
10. Adjust blue focus VR so that Y is 50 cd/m
2
.
11. Adjust B-GAIN (CHK6) so that B/G(y) is 0.263.
12. Adjust B-G ST1 (CHK6) so that B/G is more than 103% (y is less than 0.2**).
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