Output Voltage Adjustment - Eiki LC-WXL200 Service Manual

Electrical Adjustment
z Output Voltage adjustment
After replacing the Power Board, perform the Output
voltage adjustment as follows.
1. Connect a digital voltmeter to pins 2 (-) and 1 (+) of
K6a
.
2. Adjust the voltage by using VR601 as following.
AC Input Reading
230V 370V ±2V
Caution:
Be sure to connect the lamp when taking this adjust-
ment.
* This adjustment is not required even if the power board
is replaced because this adjustment is carried out be-
fore parts shipment.
x Fan Voltages adjustment
Equipment Digital voltmeter
1. Enter the service mode.
2. Adjust the voltage on each test point by changing the
data values of the Group - No.
Group No. Fan Test Point
250 - 0
FN909 TPFN11
250 - 1
FN909 TPFN11
250 - 2
FN906 TPFN6
250 - 3 FN906 TPFN6
250 - 4 FN904 TPFN4
250 - 5 FN904 TPFN4
250 - 6 FN902 TPFN2
250 - 7
FN902 TPFN2
250 - 8
FN901 TPFN1
250 - 9
FN901 TPFN1
250 - 10 FN903
TPFN3
250 - 11 FN903 TPFN3
250 - 12 FN905 TPFN5
250 - 13 FN905 TPFN5
c PC Auto calibration
Input mode Computer mode (Input 1 RGB)
Input signal 16-step gray scale computer signal
1. Enter the service mode.
2. Select Group "200", No. "70" and set data value to
"0". Select Group "200", No. "72" and set data value
to "0".
3. Select Group "260", No. "0" and set data value "0"
to "1".
The projector begins auto-calibration for MAIN and
then "OK" will appear on the screen.
4. Select Group "200", No. "70" and set data value
to "1".
5. Select Group "260", No. "0" and set data value "0"
6. Select Group "200", No. "70" and set data value
v Component Auto calibration
1. Enter the service mode.
2. At first, input the 100% color bar signal (480i).
3. Select Group "200", No. "72" and set data value
4. Select Group "260", No. "0" and set data value "0" to
5. Select Group "200", No. "71" and set data value
Adjustment value
4.5 +0.1 -0Vdc
6. Select Group "260", No. "0" and set data value "0"
13.8 +0 -0.1Vdc
4.5 +0.1 -0Vdc
The projector begins auto-calibration and then "OK" will
13.8 +0 -0.1Vdc
appear on the screen.
4.5 +0.1 -0Vdc
7. Change another input signal and take steps 3 - 6 again.
8. Select Group "200", No. "71" and set data value to
13.8 +0 -0.1Vdc
4.5 +0.1 -0Vdc
13.8 +0 -0.1Vdc
b Video Auto calibration
4.5 +0.1 -0Vdc
13.8 +0 -0.1Vdc
4.5 +0.1 -0Vdc
13.8 +0 -0.1Vdc
1. Enter the service mode.
4.5 +0.1 -0Vdc
2.Select Group"200",No."72"and set data value
13.8 +0 -0.1Vdc
3.Select Group"260",No."0"and set data value"0"to"1".
4.Select Group"200",No."71"and set data value to"1".
Adjustments item no. [3] 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.
-42-
to "1".
The projector begins auto-calibration for SUB and
then "OK" will appear on the screen.
to "0". Select Group "200", No. "72" and set data
value to "1".
Input mode Video mode (Input 2 -Component)
Input signal 100% color bar signal (480i)
100% color bar signal (480p)
100% color bar signal (720p)
100% color bar signal (1080i)
to "0". Select Group "200", No. "71" and set data
value to "1".
"1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
to "0".
to "1".
"1". Select Group "200", No. "72" and set data value
to "1".
Input mode Video mode (Input 3 Video)
Input signal 100% color bar signal (480i)
to"0",Select Group"200",No."71"and set data value to
"1".
The projector begins auto-calibration and then"OK"will
appear on the screen,
Select Group"200",No,"72"and set data value to"1".