Service Mode
Panel Adjustments
Changing these settings may seriously affect the perform- ance of the projector.
All panel adjustments are factory adjusted. If not really necessary, do not touch one of these adjustments. They are useful when a new panel is installed.
Highlight Panel Adjustments by pushing the control stick forward or backward and press ENTER
When Panel Adjustments is selected in the Service Mode selection menu, the following warning will be displayed :
Risk of electrical shock. Panel Adjustments is reserved to qualified service personnel.
If you are not qualified, press EXIT to cancel the panel adjustments.
Preset Input Balance
Highlight White Balance by pushing the control stick forward or backward and press ENTER to select.
With the white balance adjustment, the gain of the red and blue channels can be adjusted in comparison with the green channel. (To adjust the gain of the complete video signal, use the contrast adjustment)
Use the control stick by pushing forward or backward to change Red or by pushing to the right or to the left to change Blue.
Press EXIT to return to the Preset Input Balance menu.
60 Hz Tracking
60 Hz tracking is used to adjust the 60 Hz by sychronious signals
Highlight 60 Hz Tracking by pushing the control stick forward or backward and press ENTER.
When 60 Hz Tracking is selected in the Service Mode selection menu, the following warning will be displayed :
60 Hz Tracking is reserved to qualified service personnel.
If you are not qualified, press EXIT to cancel the 60 Hz Tracking.
I2C diagnosis.
Gives an overview of the correct working of the I²C controlled IC's. Highlight I2C diagnosis by pushing the control stick forward or backward and press ENTER to display the overview.
SERVICE |
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PANEL ADJUSTMENTS | |
PRESET INPUT BALANCE | |
60Hz TRACKING | |
I2C DIAGNOSIS | |
MORE... |
|
Select with | or |
then <ENTER> | |
<EXIT> to | WARNING |
| PANEL ADJUSTMENTS |
| is reserved to |
| qualified |
| service personnel |
| <ENTER> to accept |
| <EXIT> to return. |
SERVICE |
|
PANEL ADJUSTMENTS
PRESET INPUT BALANCE
60Hz TRACKING I2C DIAGNOSIS
MORE...
PRESET INPUT BALANCE
Select
WHITE 
BALANCE
Select with <ENTER>
<EXIT> to return
| Adjust | |
| red with | or |
| blue with | or |
SERVICE |
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|
PANEL ADJUSTMENTS |
| |
PRESET INPUT BALANCE |
| |
60Hz TRACKING |
|
|
I2C DIAGNOSIS |
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|
MORE... |
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|
Select with | WARNING | |
|
| |
then |
|
|
| 60 Hz TRACKING | |
| is reserved to | |
| qualified | |
| service personnel | |
| <ENTER> to accept | |
| <EXIT> to | return. |
SERVICE |
|
|
PANEL ADJUSTMENTS
PRESET INPUT BALANCE
60Hz TRACKING
I2C DIAGNOSIS
MORE...
| I2C DIAGNOSIS |
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| |
|
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| D CA |
Select | LCD DRIVER | SC76013 | E6H # # # | |
| LCD DRIVER | SC76013 | E8H # # # | |
| LCD DRIVER | SC76013 | EAH # # # | |
| LCD DRIVER | TDA8444 | 48H | # # # |
| INPUT SELECTOR | PCF8574 | ||
| 46H | # | # | # |
| INPUT SELECTOR |
|
| |
| PCF8574A | 7EH | # | # # |
| DECODER | PCF8574 | 4EH # # # | |
| DECODER | SAA7151B | 8AH # # # | |
| DECODER | SAA7152 | B2H # # # | |
| DECODER | SAA7192A E0H # # # | ||
| LAMP DRIVER | PCF8574A | 72H # # # | |
<EXIT> TO RETURN
| 5975947 BARCOGRAPHICS 9200 120297 | |
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