Output Voltage Adjustment - Sanyo PLC-XL51 Service Manual

Service Adjustment

Output Voltage adjustment

After replacing the Power Board readjust the Output voltage
adjustment as follows.
1. Connect a digital voltmeter to pins 2 (+) and 1 (-) of
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. Fan minimum voltage adjustment
Equipment
1. Enter the service mode.
K6A
2. Change data values of each test points to adjust the fan
.
minimum output voltage.
Item no. Fan Location
250 - 0 FN901/902
250 - 2
FN903/904
250 - 4
FN905
GND
2. Fan maximum voltage adjustment
Equipment
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
250 - 1 FN901/902
250 - 3 FN903/904
250 - 5
FN905
GND
3. Auto Calibration adjustment [PC]
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with
puter1 [RGB]
Lamp control Normal mode.
G-sync Off
Image
3. To start the auto-calibration for PC adjustment, select
260
group no. "
0 1
from " " to " ". After the auto-calibration completed, "OK"
will appear on the screen.
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Digital voltmeter
Test Point Adjustment value
5.0
TPFANA ±0.1Vdc
5.0
TPFANB ±0.1Vdc
5.0
TPFANC ±0.1Vdc
TE501
Digital voltmeter
Test Point Adjustment value
13.5
TPFANA
13.5
TPFANB
13.5
TPFANC
TE501
mode.
Standard
0
", item no. " " and then change data value
±0.1Vdc
±0.1Vdc
±0.1Vdc
Com-