Christie DS+750 Service Manual page 44

Electrical Adjustment
Fan driving voltage adjustment
Equipment Digital voltmeter
Lamp mode 2 Lamps
Lamp control Eco1
1. Enter the service mode.
2. Change data values of each test point to adjust the fan
driving voltage.
Group No. Fan Connection
250 - 1 Fan_1
250 - 0 Fan_1
250 - 3 Fan_2
250 - 2 Fan_2
250 - 5 Fan_3
250 - 4 Fan_3
250 - 7 Fan_4
250 - 6 Fan_4
250 - 9 Fan_5
250 - 8 Fan_5
Note :
Group Fan_1: FN905
Group Fan_2: FN904, FN906
Group Fan_3: FN903, FN907, FN909
Group Fan_4: FN901, FN902
Group Fan_5: FN908
Auto calibration (PC)
Input mode Computer mode (Input 1)
Input signal 16-step gray scale computer signal
1. Enter the service mode.
2. Select Group "260", No. "100" and set data value to "1".
3. Select Group "260", No. "0" and set data value "0"
to "1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
4. Select Group "260", No. "100" and set data value to "3".
5. Select Group "260", No. "0" and set data value "0"
to "1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
6. Select Group "260", No. "100" and set data value to "0".
Adjustments item no. [2] to [5] are carried out at the
spare parts shipment in the factory, therefore they are not
required when the main board is replaced with new one.
DS+750 Service Manual
020-000211-01 Rev. 1 (06-2009)
Adjustment value
K66S-1 13.8 +0 -0.1Vdc
K66S-1 5.0 +0.1 -0Vdc
K66S-2 13.8 +0 -0.1Vdc
K66S-2 4.0 +0.1 -0Vdc
K66S-3 13.8 +0 -0.1Vdc
K66S-3 6.0 +0.1 -0Vdc
K66S-4 13.8 +0 -0.1Vdc
K66S-4 6.5 +0.1 -0Vdc
K66S-5 13.8 +0 -0.1Vdc
K66S-5 5.0 +0.1 -0Vdc
Auto calibration (Slot)
Input mode Computer mode (Input 3)
Input signal 16-step gray scale computer signal
Slot board Analog RGB input board equipped
1. Enter the service mode.
2. Select Group "260", No. "100" and set data value to "2".
3. Select Group "260", No. "0" and set data value "0"
to "1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
4. Select Group "260", No. "100" and set data value to "0".
Auto calibration (Component)
Input mode Video mode (Input 2 -Component)
Input signal 100% color bar signal (480i)
1. Enter the service mode.
2. Select Group "260", No. "100" and set data value to "4".
3. Select Group "260", No. "0" and set data value "0"
to "1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
4. Select Group "260", No. "100" and set data value to "5".
5. Select Group "260", No. "0" and set data value "0"
to "1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
6. Select Group "260", No. "100" and set data value to "0".
Auto calibration (Video)
Input mode Video mode (Input 2 -Composite)
Input signal 16-step gray scale composite video
signal
1. Enter the service mode.
2. Select Group "260", No. "100" and set data value to "6".
3. Select Group "260", No. "0" and set data value "0"
to "1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
4. Select Group "260", No. "100" and set data value to "0".
-42-