Table des Matières
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5.10
Service Mode, English
Bus ignore mode
RESET TO DEFAULT
When this line is selected the settings will be defi ned.
- All TV and radio programmes are cleared.
- The V.TAPE and AV sockets are set to NONE.
- In the PICTURE ADJUSTMENT service menu the values for brilliance, colour and
contrast are set to default.
- All programme lists are cleared.
- The TV SETUP TUNE menu will be shown the fi rst time the TV is switched on.
- OPTION is set to 2.
- The theft protection setup is not changed.
When RESET TO DEFAULT is selected a text "PLEASE WAIT 30 SEC." is displayed.
While the text is displayed no operation must be done. When the text disappears
Service Mode is exited.
TV SERVICE MENU
In TUNER SYSTEM it is possible to set only relevant tuner systems to ON (only multi
standard TV's). This is done to reduce the tuning time.
AFC ON/OFF is used in connection with adjustments but it may also be useful in
other situations.
The AFC is set to ON when the TV has been turned off by means of the mains
switch.
LOW TUN RANGE
HIGH TUN RANGE
LOWER BAND LIMIT
UPPER BAND LIMIT
VHF-1 CONSTANT
VHF-2 CONSTANT
UHF CONSTANT
These items are for factory use.
TUNER TAKEOVER
IF ADJUST
AFC STATUS
FM SOUND ADJUST
MODULATOR SYSTEM
These items are described in the section on adjustments.
If an error occurs in the IIC bus system which makes the TV go into stand by every
time it is attempted to be switched on, it is possible to switch on the TV in such a
way that the error is ignored:
- The TV must be in stand by.
- Short-circuit the two solder pads (marked J40 coordinate 11A on PCB1).
- Press TV. The TV will now start up in bus ignore mode with service menu if possible.
IMPORTANT! If the TV is started up in ignore mode it may result in further damage
to the TV.
- Exit ignore mode. Turn off the TV.
45
860
170
450
161
146
52
26
8
O/H
14
B/G
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