Sanyo PLC-HF15000L Service Manual page 75

Electrical Adjustment
x Power supply adjustment
Equipment Digital voltmeter
Test points K6F-1(+) and K6F-5(-) on AC-DC
board
Lamp mode 4-Lamps
Input AC Voltage 30V
Adjust the volumes to be specified voltage as follow;
Volume
VR631 4.5 ±0.1Vdc
This adjustment is not required even if the AC-DC
board is replaced because this adjustment is carried
out before parts shipment.
Voltage
LCD panel L/R setting
c
1. Enter the service mode.
. Check the data value. (140 - 0)
Group No. Value
140 - 0 0
140 - 0 20
3. To change the set panel type, select 140-1.
Group No. Value
140 - 1 0
140 - 1 10
140 - 1 20
The initial data of 140 -1 is "10". To set the value for Type
L, set the value to "0". To set the value for Type R, set the
value to "0". When the value set "0" or "0", it automati-
cally returns to initial data "10" after the setup.
There are two type( Type L, Type R) for the LCD/Prism
Assy. The adjustment data is stored in the memory IC
(IC1371) on the Main Board.
As the used type is indicated on the Optical unit and
LCD/Prism Assy, perform this adjustment to match to its
type indication.
Fan voltage adjustment
v
Equipment
Test points
Lamp mode
Lamp control
1. Enter the service mode.
. Change data values to adjust the reading of the duty
with the voltmeter as follows;
Group No.
250 - 0
250 - 1
-75-
Panel type
L
r
Panel type
L
Initial
r
Digital voltmeter (DUTY)
K36Z-1(+) and K36Z-3(-)
4 Lamps
Normal
Adjustment value(DUTY)
30 ±1%
90 ±1%