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GRUNDIG Service
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:
Call up the dialogue line:
Change setting in the dialogue line:
Back to previous menu:
Exit menu:
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
Alignment
1. Display Type
Call up the "Display type" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> Code number
"8500" –> "Hardware equipment".
2. IF Type
Call up the "IF Type" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> "8500" –> "Hard-
ware equipment".
3. Terr. Tuner Type
Call up the "Terrestrial tuner" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> Code number
"8500" –> "Hardware equipment".
4. Tuner AGC
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...80dBµV.
Call up the "AGC setting" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> "8500" –> "Spe-
cial functions".
5. White level
Feed in a grey scale test pattern with burst.
White balance:
Contrast:
Colour contrast:
Screen brighness:
Tilt angle:
Call up the "White level alignment" menu via "EASY
DIALOG" –> "Installation" –> "Dealer service menu" –>
"8500" –> "Picture settings".
6. AD Converter
Call up the "Automatic – Yes" menu via "EASY DIALOG" –>
"Installation" –> "Dealer service menu" –> Code number
"8500" –> "Picture settings" –> "@AD-Wandlerabgleich".
7. Screen geometry
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".
Screen geometry
Switch the set to channel position "AV3" and feed in a
VGA
geometry test pattern via the VGA socket.
Call up the "Reset" menu via "EASY DIALOG" –> "Installation"
–> "Dealer service menu" –> "8500" –> "Screen geometry".
Button "
i
" (EASY DIALOG)
Buttons "P+" / "P-" –> "OK"
Buttons " " / " " –> "OK"
"blue" button
Button "
i
"
Preparations
Central position
Maximum
Mean value
Mean value
Mean value
2 - 2
THARUS 51 LCD 51-9410 DOLBY
Alignment procedure
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.
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