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EN 48
8.
8.3.2
Deflection
The Deflection Sub menu contains the following items:
•
AKB, ON to enable, OFF to disable the 'black current loop'
(AKB = Auto Kine Bias).
•
Brightness, (set Brightness)
•
Contrast, (set Contrast)
"See Vg2 alignment"
Deflection Menu
A K B
BRIGHTNESS
CONTRAST
Figure 8-2
8.3.3
Tuner
Note: Described alignments are only necessary when the NVM
(item 7602) is replaced.
Tuner Submenu
IFPLL
A G C
SL
CL
Figure 8-3
The Tuner Sub menu contains the following items:
•
Phase Locked Loop used for FST tuning systems. Adjust
the IFPLL value (default value is 30) with the LEFT/RIGHT
cursor keys.
•
(AGC take over point) asis Emphasistype= 'Bold'>Set the
external pattern generator to a colour bar video signal and
connect the RF output to aerial input. Set amplitude to 10
mV and set frequency to 475.25 MHz (PAL/SECAM) or
61.25 MHz (NTSC). Connect a DC multimeter to pin 1 of
the tuner (item 1000 on the main panel).
1. Activate the SDAM.
2. Go to the TUNER sub menu.
3. Select AGC with the UP/DOWN cursor keys.
4. Adjust the AGC-value (default value is 28) with the
LEFT/RIGHT cursor keys until the voltage at pin 1 of
the tuner lies between 3.8 and 2.3 V.
5. Switch the set to STANDBY.
•
Slicing level
Slicing level for the vertical sync. This adjustment is always
set to 0 (for NTSC system only).
•
CL (cathode drive level)
Adjust the CL value (default value is 4) with the LEFT/
RIGHT cursor keys.
L01H.2E
Alignments
ON/OFF
CL 16532138_020.eps
S
XXX
XXX
XXX
XXX
CL 16532108_010.eps
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8.3.4
White Tone
White Tone Menu
S
NORMAL RED
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In the WHITE TONE sub menu, the values of the black cut off
level can be adjusted. Normally, no alignment is needed for the
WHITE TONE. You can use the given default values.
The colour temperature mode (NORMAL, COOL and WARM)
and the colour (RED, GREEN, and BLUE) can be selected with
the UP/DOWN RIGHT/LEFT cursor keys. The value can be
changed with the LEFT/RIGHT cursor keys. First, select the
values for the NORMAL colour temperature. Then select the
values for the DELTA COOL and DELTA WARM mode. After
alignment, switch the set to standby, in order to store the
alignments.
Default settings:
•
NORMAL (colour temperature = 11500 K):
–
–
–
•
DELTA COOL (colour temperature = 14000 K):
–
–
–
•
DELTA WARM (colour temperature = 8200 K):
–
–
–
XX
NORMAL
GREEN
NORMAL
BLUE
DELTA
C O O L
R E D
DELTA
C O O L
G R E E N
DELTA
C O O L
B L U E
DELTA
W A R M
R E D
DELTA
W A R M
G R E E N
DELTA
W A R M
B L U E
Figure 8-4
NORMAL RED = 32
NORMAL GREEN = 35
NORMAL BLUE = 30
DELTA COOL RED = 0
DELTA COOL GREEN = -5
DELTA COOL BLUE = 5
DELTA WARM RED = 8
DELTA WARM GREEN = -3
DELTA WARM BLUE = 2
S
XX
XX
X X
X X
X X
X X
X X
X X
CL 16532108_007.eps
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