Service Mode
Factory programmed password :
0000
Convergence adjustment of the LCD panels.
Every LCD panel has 6 adjustment screws. By turning these screws you change the relative position of the panels and converge the image.
Always start with the adjustment of the green panel. When the green image is correctly focused, it will later on be used as the reference image to converge the red and blue image.
Next alignments have to be done :
You have to adjust the green panel until the indicated lines on the screen are focused (sharp lines). Continue with the red panel and adjust until the red lines coincide with the green lines. Than continue with the blue panel until the blue lines coincide with the green lines.
Follow the next procedure to adjust the LCD panels.
*Open the top cover as described in Gaining access to the DIP switches under Connecting to a computer in chapter Connections.
The three mounting parts for the LCD's (two are shown on the drawing below) are located on the black metal cover. The screws are indicated from 1 to 6 for each color.
Note : the space between the LCD panel in the green channel and the field lens has to be 4 to 5 mm. Otherwise when projecting a black image, a discoloring will be visible. (To project a black image, select the internal pattern 'purity' and put all settings to '0')
To adjust the convergence, there are test patterns provided in the service menu.
Use the control disk to hightlight Convergence and press ENTER to display the Convergence menu.
Start with the Green test pattern and continue with the Red on green and finish with the Blue on green.
Use the control disk to select Green and press ENTER to display the green pattern.
SERVICE MODE |
Modify Password |
Reset Lamp Run Time |
Lamp Run Time History |
Convergence |
Display Settings |
Decoder Settings |
Color Balance |
I2C Device Test |
878 |
SERVICE MODE |
Modify Password |
Reset Lamp Run Time |
Lamp Run Time History |
Convergence |
Display Settings |
Decoder Settings |
Color Balance |
CONVERGENCE |
Green |
Blue on Green |
Red on Green |
Hatch |
879 |
5975348 BARCOVISION 8200 210497 |