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After replacing the Power Board readjust the Output voltage
adjustment as follows.
1. Connect a digital voltmeter to pins 2 (+) and 1 (-) of K6A.
2. Setting Lamp control "Normal".
3. Adjust the voltage by using VR601 as following.
AC Input Reading
230V 370V ±2V
Caution:
Be sure to connect the lamp and lamp ballast when taking
this adjustment.
* This adjustment is not required even if the power board
is replaced because this adjustment is carried out before
parts shipment.
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with Com-
puter1 [RGB] mode.
Lamp control Normal mode.
G-sync Off
Image Standard
3. To start the auto-calibration for PC adjustment, select
group no. “260”, item no. “0” and then change data value
from “0” to “1”. After the auto-calibration completed, "OK"
will appear on the screen.
3. Auto Calibration adjustment [PC]
Service Adjustment
Output Voltage adjustment
Equipment Digital voltmeter
1. Enter the service mode.
2. Change data values of each test points to adjust the fan
minimum output voltage.
Item no. Fan Location Test Point Adjustment value
250 - 0 FN901/902 TPFANA 5.0 ±0.1Vdc
250 - 2 FN903/904 TPFANB 5.0 ±0.1Vdc
250 - 4 FN905 TPFANC 5.0 ±0.1Vdc
GND TE501
1. Fan minimum voltage adjustment
Equipment Digital voltmeter
1. Enter the service mode.
2. Change data values of each test points to adjust the fan
min/max output voltage.
Item no. Fan Location Test Point Adjustment value
250 - 1 FN901/902 TPFANA 13.5 ±0.1Vdc
250 - 3 FN903/904 TPFANB 13.5 ±0.1Vdc
250 - 5 FN905 TPFANC 13.5 ±0.1Vdc
GND TE501
2. Fan maximum voltage adjustment
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