Service Mode
11-6
5975947 BARCOGRAPHICS 9200 120297
Select with or
then <ENTER>
<EXIT> to return.
SERVICE
PANEL ADJUSTMENTS
PRESET INPUT BALANCE
60Hz TRACKING
I2C DIAGNOSIS
MORE...
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.
Select with or
then <ENTER>
<EXIT> to return.
SERVICE
PANEL ADJUSTMENTS
PRESET INPUT BALANCE
60Hz TRACKING
I2C DIAGNOSIS
MORE...
WARNING
PANEL ADJUSTMENTS
is reserved to
qualified
service personnel
<ENTER> to accept
<EXIT> to return.
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.
Select with or
then <ENTER>
<EXIT> to return.
SERVICE
PANEL ADJUSTMENTS
PRESET INPUT BALANCE
60Hz TRACKING
I2C DIAGNOSIS
MORE...
PRESET INPUT BALANCE
WHITE BALANCE
Select with <ENTER>
<EXIT> to return
Adjust
red with or
blue with or
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.
WARNING
60 Hz TRACKING
is reserved to
qualified
service personnel
<ENTER> to accept
<EXIT> to return.
Select with or
then <ENTER>
<EXIT> to return.
SERVICE
PANEL ADJUSTMENTS
PRESET INPUT BALANCE
60Hz TRACKING
I2C DIAGNOSIS
MORE...
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.
I2C DIAGNOSIS
D CA
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
