Adjustment - Loewe Xelos M155 TM Service Manual

Allgemeiner Teil / General Section
7. Service Settings for the Dealer
"TV Menu" –> "Settings" –> "Special Functions" –> "Service" –>
"Service Code" –> Code number "8640" .
7.1 Service Menu
After entering the code number "8640", the dealer can carry out the
following alignment functions for the TV set according to the menu
guide:
- GEOMETRIE
- WHITE ADJUSTMENT
- AGC
- AFC 38.9 MHz
- OSD horizontal
- OSD vertical
- RC5 Code
- Initial Mode
- Hotel/Hosp.
- Alarm prog.
Alignment: page 2-3
7.2 OSD Position
With this function, the horizontal or vertical position of the on-screen
display can be shifted.
Exit the "End" dialogue line with "with mem" to save the setting.
7.3 Hotel Mode
7.3.1 Activating the Hotel Mode
This function is shown in no dialogue line (hidden function).
Select "Initial mode" then enter the code number 8640. "Initial mode"
is displayed in red.
After exiting the "End" dialogue line with "with mem", the hotel mode is
activated.
When "Hotel mode" is activated
- the volume last set in the Sound menu is the maximum volume which
can be stored.
7.3.2 Deactivating the Hotel Mode
Press and hold down the " " button on the remote control while
switching the TV set on with the mains switch.
Select "Initial mode" then enter the code number 8640. "Initial mode"
is displayed in black.
7.4 Hotel / Hosp.
On units with hotel or hospital card, select the „on" setting.
To reset press and hold down the remote control button " " while
switching the unit on with the mains switch.
7.5 Initial Mode
The TV set is reset to the factory settings.
ATS-Reset and the analog data record are overwritten in the NVM.
The ATS-Reset Bit is set.
7.6 Alarm prog.
This function is used to select the programme which is to be switched
on with the alarm function.
The standard setting is "1".
7.7 Display test
Pressing the „red" button activates the complete display unit of the
Clock module (except the message LED).
This enables a function test of all display elements and of the alarm
function via the loudspeakers (tone of about 2kHz).
8. Deactivating the Protection Circuits
- Horizontal and vertical protection circuit:
connect the base and emitter at CT50055.
- Horizontal protection circuit:
connect the base and collector at CT57113.
- Vertical protection circuit: to short-circuit C50052.
Attention: When the repair is completed, it is absolutely necessary to
re-activate the overlaod protection circuits.
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LOEWE.-Service