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EN 36
8.
TDVD1.1E
0: Two crystals applied (for NTSC playback)
b5
1: AVL Auto Volume Level (Mono 22XX)
0: not available
b6
1: 2248E (microprocessor)
0: 2248C (microprocessor)
b7
1: Standby after power 'on'
0: No Standby after power 'on'
Note:
•
Reserved bits (*) must be set to 0.
•
The 7th bit of Option byte 03 enables the 'no video ident'
timer.
8.2.2
Geometry
The Geometry Alignments menu contains several items to
align the set, in order to obtain a correct picture geometry.
1
V . S 4 / 3
Figure 8-3 Geometry alignment menu
How to align
Enter the Service Mode and select the GEOMETRY settings.
Standard geometry adjustments are carried out by VSIZE,
VPOS and HPOS settings.
VSIZE 16/9 50h setting has to be carried out until 3 cm distance
between upper and lower parts of the screen.
Same adjustments are valid for 60H 16/9 and 4/3.
•
V.S4/3 50h Vertical size property of picture at 50 Hz 4/3
aspect ratio broadcast (default value -8).
•
V.S16/9 50h Vertical size property of picture at 50 Hz 16/
9 aspect ratio broadcast (default value 12).
•
V.S4/3 60h Vertical size property of picture at 60 Hz 4/3
aspect ratio broadcast (default value -23).
•
V.S16/9 60h Vertical size property of picture at 60 Hz 16/
9 aspect ratio broadcast (default value 7).
•
V.P To adjust the vertical position of the picture (default
value -5).
•
H.P To adjust the horizontal position of the picture (default
value 2).
8.2.3
G2 Adjust menu
In this menu we will see a comparative display according to the
preset. To adjust the G2, turn the G2 potentiometer on the LOT
until you reach the ':' sign. If the colon is highlighted,
adjustment is achieved ('<' means you have to decrease and '>'
means you have to increase).
Figure 8-4 G2 adjustment menu
Alignments
5 0 h
0
CL 26532120_021.eps
311002
G 2 A D J
> : <
CL 26532120_022.eps
311002
8.2.4
Video
1
R
Figure 8-5 Video alignment menu
1. Apply a 'white' pattern (at 100 IRE)
2. Set CONTRAST to 70% and BRIGHTNESS and COLOUR
SATURATION in the middle.
3. Place the colour analyser.
4. Via R, G, and B, it is possible to modify the 'peak white'.
5. Adjust to obtain the necessary values for x and y.
–
R (default value = 12)
–
G (default value = 8)
–
B (default value = 0)
1. Apply a 'dark gray' pattern (at 10 IRE).
2. Set CONTRAST to 70% and BRIGHTNESS and COLOUR
SATURATION in the middle.
3. Adjust to obtain the necessary values for x and y by
changing the RED CFF and GREEN CFF
–
R CFF (default value = -3)
–
G CFF (default value = 1)
Remark:After the low light alignment it may be necessary to
check and to re-align the high light, and to repeat several times
the procedure to obtain a good alignment for both low and high
light.
8.2.5
Tune IF
1
A G C
Figure 8-6 Tuner alignment menu
AGC adjustment (default value = 40):
Select AGC, and adjust the settings until the ':' indicator
(displayed as >:< ) turns into red by pressing < and > on the
remote control.
PIF adjustment for BG/DK/L systems:
1. Apply a 38.9 MHz PAL BG signal.
2. Enter the Service Mode.
3. Select TUNE IF.
4. Choose the PIF COARSE and PIF FINE items, and adjust
the settings until the ':' indicator (displayed as >:< ) turns
into red by pressing < and > on the remote control.
–
PIF C (default value = -1)
–
PIF F (default value = -16)
PIF adjustment for L' system:
1. Apply a 33.9 MHz SECAM L' signal.
2. Enter the Service Mode.
3. Select TUNE IF.
0
CL 26532120_023.eps
311002
5 0
> : <
CL 26532120_024.eps
311002
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