Grundig CUC 1837 Service Manual page 23

DIGI 100
- Click to spare parts: ordering and listings.
- Input your customer number and your password.
- Click to Log in.
- Click to spare parts lists and service documents.
- Select the Software you need via Software-Download.
- Copy the selected software for your set into the
C:\GRUNDIG\Software folder on your PC which has been created
in connection with the installation of the F-Prog 1 PC software.
1.7 PIP Position (only with PIP module)
Press and hold down the "PIP" button on the remote control while
switching the set on with the mains switch. This activates the PIP
mode.
Adjust the horizontal and vertical position.
Using the Format button, you can change the upper right/left and
bottom right/left PIP position.
Press "OK" to save the position.
Note: It is not possible to display VGA or RGB signals as PIP picture.
1.8 Service Mode Programme (for fault finding on the I
These error messages refer only to interferences on the I
to modules or circuits which do not return an acknowledgement via the
2
I C bus, e.g. no operating voltage supplied to the module, break in the
circuit path, or I 2 C interface defective.
1.8.1 I 2 C Bus, IC Test
In this fault finding programme, the CIC80050 processor scans the
individual modules or circuits connected to the I
them as countable flashing sequence on the LED of of keyboard
control unit.
Press and hold down "P+" on the TV set and switch the TV set on with
the mains button.
The number of flashing pulses indicates the defective module according
to the table.
Flashing sequence example:
red LED flashes quickly for 10s
yellow LED lights for 4s
green LED flashes (e.g. 2 times) = tens's place (2)
green LED lights for 4s
green LED flashes (e.g. 8 times) = units's place (8)
Result
With the "L+" button on the TV set is is possible to find out further
defective interfaces.
IC Flashing
designation frequency
CIC31010 1
CIC70200 2
CIC70250 3
CIC70300 4
CIC33010 5
IC43140 6
TUNER 7
CIC32040 8
2. Special Functions in the "Installation" Menu
2.1 Entry of Letters
Call up the "Letter entry" menu via "EASY DIALOG" –> "Installation"
–> "Special functions".
You may select between "off", "on" and "mix" for the programme
selection letter entry.
2.2 Visible or Unvisible "Sound scale" for all Programmes
Call up the "Sound scale" menu via "EASY DIALOG" –> "Installation"
–> "Special functions".
With "off" selected, no volume bar is displayed.
GRUNDIG Service
2
C bus)
2 C bus, that is,
2
C bus and indicates
= 28
Defective module/
integrated circuit
Signal Module
Feature Module
Feature Module
Feature Module
Signal Module
Signal Module
Signal Module
Signal Module
2.3 Switching on with Programme "1", or automatically
Call up the "Switching on " menu via "EASY DIALOG" –> "Installation"
–> "Special functions" .
Set the option "Programme position 1"or"automatic".
With the "automatc" setting, the programme position selected when
switching off is selected again when switching the set on again (Last
station memory).
2.4 "Megalogic Info" (only if the Megalogic feature is identified)
Call up the "Megalogic Info" menu via "EASY DIALOG" –>
"Installation" –> "Special functions".
The Megalogic´control can be switched to "on " or "off ".
2.5 Status Indication
Call up the "Status indication" menu via "EASY DIALOG" –>
"Installation" –> "Special functions" .
You may select the position (top or bottom) where the information
about the sound mode and the picture format is displayed.
With the "off" option, no information is displayed when changing the
programme.
2.6 Automatic Volume
Call up the "Autom.volume" menu via "EASY DIALOG" –>
"Installation" –> "Special functions".
In the "ON" position, the sound IC regulates the volume internally to
the normal value ( e.g. increased deviation in the case of advertising).
2.7 Noise Reduction P1...99 or P1...199 (with SAT module)
Call up the "Noise reduction P. 1...99" menu via "EASY DIALOG" –>
"Installation" –> "Special functions. For the programmes 1...99 or
1...199 you may set the noise reduction to "off", "low" or "automatic".
With the "manual" setting, the display indicates that one or several
programmes have different settings.
2.8 Picture Sharpness P1...99 or P1...199 (with SAT module)
Call up the "Picture sharpness" menu via "EASY DIALOG" –>
"Installation" –> "Special functions" (to page 2).
The picture sharpness is set for all programmes.
2.9 Colour Match
Call up the "Colour match" menu via "EASY DIALOG" –> "Installation"
–> "Special functions" (to page 2).
The colour match (luma delay) is set for every programme.
On sets with PIP module, the colour match for the PIP picture can be
set individually.
2.10 Rotation (optional)
Call up the "Rotation" menu via "EASY DIALOG" –> "Installation" –>
"Special functions".
Adjust the display angle of the picture with respect to the picture to zero.
N/S trapezium in Geometry menu.
3. Format Switching
3.1 Format Switching with Evaluation of the Switching Voltage
Depending on the voltage present on Pin 8 of the active EURO-AV
socket, the set adjusts the picture format. In AV mode, the picture
format switching is active for the AV socket (AV 1, AV 2, AV 3) .
With 16:9 picture tubes
Picture format be- New picture format after New picture format after
fore voltage change Pin 8: 0/12V –> 6V
16:9 -
Cinema Zoom 16:9
Panorama Zoom 16:9
4:3 16:9
With 4:3 picture tubes
Picture format be- New picture format after New picture format after
fore voltage change Pin 8: 0/12V –> 6V
16:9 -
4:3 16:9
Panorama Zoom 16:9
* old format means the format adjusted manually before the last voltage
change.
Allgemeiner Teil / General Section
Pin 8: 6V –> 0/12V
old format *
old format*
old format *
old format* *
Pin 8: 6V –> 0/12V
old format *
old format *
old format *
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