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Electrical Adjustment
5. Fan driving voltage adjustment
Equipment Digital voltmeter
Lamp mode 2 Lamps
Lamp control Normal
1. Enter the service mode.
2. Change data values of each test point to adjust the fan
driving voltage.
Group No. Fan Connection
Adjustment value
140 - 0 Fan - A TP7611 8.0 ± 0.1Vdc
140 - 1 Fan - A TP7611 13.2 +0 -0.1Vdc
(POWER(DC))
140 - 2 Fan - B TP7612 8.0 ± 0.1Vdc
140 - 3 Fan - B TP7612 13.5 +0 -0.1Vdc
(POWER(DC))
140 - 4 Fan - C TP7613 8.5 ± 0.1Vdc
140 - 5 Fan - C TP7613 13.2 +0 -0.1Vdc
(POWER(DC))
140 - 6 Fan - D1 TPFN1 7.0 ± 0.1Vdc
140 - 7 Fan - D1 TPFN1 13.5 +0 -0.1Vdc
(MAIN)
140 - 8 Fan - D2 TPFN2 7.0 ± 0.1Vdc
140 - 9 Fan - D2 TPFN2 13.5 +0 -0.1Vdc
(MAIN)
Note :
Group Fans A: FN901, FN902, FN903, FN904
Group Fans B: FN905, FN906
Group Fans C: FN907, FN908, FN909, FN912, FN913
Group Fans D1: FN910
Group Fans D2: FN911
6. Gain adjustment 1 (PC)
Equipment Oscilloscope
Input mode Computer mode
Input signal 16-step gray scale computer signal
(WXGA)
1. Enter the service mode.
2. To start the auto-calibration for PC adjustment, select
Group "660", No. "0", and then change data value
"0" to "1".
After the auto-calibration completed, "OK" will appear
on the screen.
7. Gain adjustment 2 (Composite)
Equipment Oscilloscope
Input mode Video mode (Composite)
Input signal 100% color bar signal (NTSC)
1. Enter the service mode.
2. To start the auto-calibration for composite-video
adjustment, select Group "660", No. "0", and then
change data value "0" to "1".
After the auto-calibration completed, "OK" will appear
on the screen.
8. Gain adjustment 3 (Component)
Equipment Oscilloscope
Input mode Video mode (Component)
Input signal 100% color bar signal (480i)
1. Enter the service mode.
2. To start the auto-calibration for component-video
adjustment, select Group "660", No. "0", and then
change data value "0" to "1".
After the auto-calibration completed, "OK" will appear
on the screen.
9. Common center adjustment
Equipment Oscilloscope
Input mode Computer mode
Input signal 50% (R,G,B) pattern signal
1. Enter the service mode.
2. Project only one color component to the screen.
Select Group "900", No. "1" and then change data val-
ue from "2" to "0".
3. Change data value to obtain the minimum flicker for
each color on screen.
Group No. Screen
280 - 9 Only green color picture
280 - 10 Only blue color picture
280 - 11 Only red color picture
4. Select Group "900", No. "1" and then change data
value from "0" to "2".
10. Gammma, White balance and Color shading
Correction Adjustments
If the correction of the Gamma adjustment, White bal-
ance adjustment, Color shading adjustment is neces-
sary, please adjust the “Gamma”, “White balance”, “Color
shading” by using the “PROJECTOR SERVICE TOOL”
software supplied separately.
Check and adjustment : 2 Lamps mode
Lamp 1 mode
Lamp 2 mode
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