Belson BSV-2751, Руководство по обслуживанию

Страница: 10 / 45

8
In the state of factory,it is possible to change setting values for picture and sound in various factory
modes. Otherwise any equilibrium values of picture and sound different in the other states are
considered the setting of Custom.
Table 7 Setting of Picture Analog Value
Vivid Standard Mild Custom
Contrast 80 70 50 50
Brightness 50 45 40 50
Color 50 45 40 50
Hue 00 00 00 00
Sharpness 50 50 50 50
Table 8 Setting of Sound Equilibrium Value
Live Pop Rock Custom
120 Hz 50 50 65 50
500 Hz 50 50 55 50
1.5 kHz 50 60 55 50
5 kHz 80 70 55 50
10 kHz 85 70 55 50
Ex-works settings for User Menu are as follows:
1) The channel is selected as that of the present TV;
2) Under video menu,Mode:Standard, NR:Auto;
3) Under audio menu,Volume:20,Balance:00,Equalizer:Custom,SRS Mode:Auto,HP Volume:20;
4) Under edit menu,Color System:Auto, Sound System:I;
5) Under the menu of selection items: Default Zoom:Auto, Child Lock:Off, Menu Language:English,
Country:UK, WSS:OFF, Blue Screen:On.
Note: The forth item and the fifth item should be designed according to the customer’s request.
Trouble shooting
Before servicing please check to find the possible causes of the troubles according to the table below.
1.Antenna:
Picture is out of focus or jumping Bad status in signal receiving
Maybe broadcast signal itself is not good
Check if the outdoor antenna is disconnected.
Check if the antenna is correctly oriented.
Fringe in picture Check if the antenna is correctly oriented.
Maybe there is electric wave reflected from hilltop or building.
Picture is interfered by stripe
shaped bright spots
Possibly due to interference from automobile, train, high
voltage transmission line, neon lamp etc.
Maybe there is interference between antenna and power
supply line. Please try to separate them in a longer distance.
There appear streaks or light color
on the screen Check if interfered by other equipment and if interfered
possibly by the equipment like transmitting antenna, non
professional radio station and cellular phone.