Service Modes, Error Codes, and Fault Finding
EN 14
LC4.9E AB
5.
Figure 5-7 DCSM menu - 3
1.
Hardware version:
This indicates the version of the IBO
Zapper module hardware.
2.
Application SW:
The application software version.
3.
NOR Version:
The NOR Flash image software version
4.
Digital Frequency:
The digital frequency that the set is
tuned to.
5.
Bit Error Rate:
The error rate measured before the error
correction algorithm circuitry. (this value gives an
impression of the received signal)
6.
Tuner AGC:
Tuner AGC value.
7.
COFDM Lock:
Indication if COFDM decoder is locked.
8.
AFD Status:
Status of the Active Picture Format
Descriptor.
9.
Terrestrial Delivery System Parameters:
–
Bandwidth:
Bandwidth of the received signal.
–
Constellation Pattern:
Displays the signal
constellation.
–
Alpha Value:
Displays the Alpha Value.
–
FEC Scheme:
Displays the Forward Error Correcting
Scheme
–
Guard Interval:
Displays the value for the Guard
Interval.
–
Transmission Mode:
Displays the Transmission
Mode.
10.
Audio Comp Type:
Type of detected audio stream.
11.
MHEG Present:
Indicates if MHEG is present or not.
12.
CIM Card Present:
Indicates if CIM card is present or not.
How to exit
Press the
BLUE
button on the Remote Control to exit DCSM.
5.3
Problems and Solving Tips Related to CSM
5.3.1
Picture Problems
Note
: The problems described below are all related to the TV
settings. The procedures used to change the value (or status)
of the different settings are described.
Picture too Dark or too Bright
If:
•
The picture improves when you press the AUTO PICTURE
button on the remote control transmitter, or
•
The picture improves when you enter the Customer
Service Mode,
Then:
1.
Press the AUTO PICTURE button on the remote control
transmitter repeatedly (if necessary) to choose
PERSONAL picture mode.
2.
Press the MENU button on the remote control transmitter.
This brings up the normal user menu.
3.
In the normal user menu, use the MENU UP/DOWN keys
to highlight the PICTURE sub menu.
4.
Press the MENU LEFT/RIGHT keys to enter the PICTURE
sub menu.
5.
Use the MENU UP/DOWN keys (if necessary) to select
BRIGHTNESS.
6.
Press the MENU LEFT/RIGHT keys to increase or
decrease the BRIGHTNESS value.
7.
Use the MENU UP/DOWN keys to select PICTURE.
8.
Press the MENU LEFT/RIGHT keys to increase or
decrease the PICTURE value.
9.
Press the MENU button on the remote control transmitter
twice to exit the user menu.
10. The new PERSONAL preference values are automatically
stored.
White Line around Picture Elements and Text
If:
The picture improves after you have pressed the AUTO
PICTURE button on the remote control transmitter,
Then:
1.
Press the AUTO PICTURE button on the remote control
transmitter repeatedly (if necessary) to choose
PERSONAL picture mode.
2.
Press the MENU button on the remote control transmitter.
This brings up the normal user menu.
3.
In the normal user menu, use the MENU UP/DOWN keys
to highlight the PICTURE sub menu.
4.
Press the MENU LEFT/RIGHT keys to enter the PICTURE
sub menu.
5.
Use the MENU UP/DOWN keys to select SHARPNESS.
6.
Press the MENU LEFT key to decrease the SHARPNESS
value.
7.
Press the MENU button on the remote control transmitter
twice to exit the user menu.
8.
The new PERSONAL preference value is automatically
stored.
Snowy Picture
Check CSM line 6. If this line reads “Not Tuned”, check the
following:
•
Antenna not connected. Connect the antenna.
•
No antenna signal or bad antenna signal. Connect a proper
antenna signal.
•
The tuner is faulty (in this case line 2, the Error Buffer line,
will contain error number 10). Check the tuner and replace/
repair the tuner if necessary.
Black and White Picture
If:
•
The picture improves after you have pressed the AUTO
PICTURE button on the remote control transmitter,
Then:
1.
Press the AUTO PICTURE button on the remote control
transmitter repeatedly (if necessary) to choose
PERSONAL picture mode.
2.
Press the MENU button on the remote control transmitter.
This brings up the normal user menu.
3.
In the normal user menu, use the MENU UP/DOWN keys
to highlight the PICTURE sub menu.
4.
Press the MENU LEFT/RIGHT keys to enter the PICTURE
sub menu.
5.
Use the MENU UP/DOWN keys to select COLOR.
6.
Press the MENU RIGHT key to increase the COLOR value.
7.
Press the MENU button on the remote control transmitter
twice to exit the user menu.
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