GRUNDIG Service
THARUS 51 LCD 51-9410 DOLBY
2 - 2
Alignment
All adjustment controls not mentioned in this description are adjusted during production and must not be re-adjusted in the case of repairs.
Call up the service menu:
Button "
i
" (EASY DIALOG)
Call up the dialogue line:
Buttons "
P+
" / "
P-
" –> "
OK
"
Change setting in the dialogue line:
Buttons "
Ǹ
" / "
Ƿ
" –> "
OK
"
Back to previous menu:
"
blue
" button
Exit menu:
Button "
i
"
Service menu for the dealer (code no.): "
8500
"
Measuring instruments:
100MHz oscilloscope with 10:1 test probe, colour test pattern generator.
Service work after changing the …
… Display,
Adjustment 5
… Chassis Board,
Adjustment 1…4, 6
… M2 Board,
Adjustment 5, 6
… Tuner,
Adjustment 3, 4
1. Display Type
2. IF Type
3. Terr. Tuner Type
4. Tuner AGC
5. White level
6. AD Converter
7. Screen geometry
Screen geometry
VGA
Call up the "Display type" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> Code number
"8500" –> "Hardware equipment".
Call up the "IF Type" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> "8500" –> "Hard-
ware equipment".
Call up the "Terrestrial tuner" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> Code number
"8500" –> "Hardware equipment".
Connect the 100MHz oscilloscope to the tuner contact 10 or
11 and to tuner ground.
Feed in a test pattern (sound carrier switched off) via the
aerial, 70…80dB
µ
V.
Call up the "AGC setting" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> "8500" –> "Spe-
cial functions".
Feed in a grey scale test pattern with burst.
White balance:
Central position
Contrast:
Maximum
Colour contrast:
Mean value
Screen brighness:
Mean value
Tilt angle:
Mean value
Call up the "White level alignment" menu via "EASY
DIALOG" –> "Installation" –> "Dealer service menu" –>
"8500" –> "Picture settings".
Call up the "Automatic – Yes" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> Code number
"8500" –> "Picture settings" –> "@AD-Wandlerabgleich".
Call up the "Screen geometry" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> "8500".
Feed in a geometry test pattern.
Reset:
The "Reset" field contains:
- either the optimum picture geometry data set at the
factory,
- or an average data record from the ROM if the set has
been started with the emergency data record.
After an incorrect alignment you may reload this basic data
at any time:
Call up the "Reset" menu via "EASY DIALOG" –> "Installation"
–> "Dealer service menu" –> "8500" –> "Screen geometry".
Switch the set to channel position "AV3" and feed in a
geometry test pattern via the VGA socket.
Call up the "Reset" menu via "EASY DIALOG" –> "Installation"
–> "Dealer service menu" –> "8500" –> "Screen geometry".
Select the
appropriate display type
:
1
LPL LC201V1
2
LPL LC201V02
3
LPL LC230W01
4
LPL LC300W01
5
LPL LC420W01
Adjust to IF Type built into the set.
National, Multi 8,
Multi 9
.
Select the
appropriate tuner type
.
Set to
300-350mV
pp
.
Adjust the values for
red, green
and
blue
so that the picture
becomes achromatic.
Note:
When calling up the menus again, the value of the largest
component is always 511, the other values are converted.
Call up the "@Automatischer Abgleich starten" menu and
wait up to the menu that is shown on the display.
Using the controls for "Height", "Vert. shift", "Horiz. shift",
and "Width", move the test pattern into the centre of the
picture screen, and then adjust a symmetrical display
reading.
Saving:
The set value is saved by pressing the "yellow" button.
The picture geometry adjusts itself to the last saved value
when switching the TV set on again.
Using the controls for Vert. Pos., Horiz. Pos., and Picture
Width, move the test pattern into the centre of the picture
screen, and then adjust a symmetrical display reading.
Saving:
The set value is saved by pressing the "yellow" button.
The picture geometry adjusts itself to the last saved value
when switching the TV set on again.
Alignment
Preparations
Alignment procedure
