Fan Control Adjustment - Sanyo PLC-XK3010 Service Manual

Electrical Adjustments
1. Panel type check and Setting
* Before setting, you need to check which type of LCD
panel is placed on the projector according to the item
"LCD Panel/Prism Ass'y removal" in the chapter "Optical
Parts Disassembly".
1. Enter the service mode.
2. Panel Type Check
290
Select Group No. "
data value as follows;
Data value: 0 For L-Type of LCD Panel
Data value: 20 For R-Type of LCD panel
. Panel Type Setting
290
Select Group No. "
data value from 10 to 0 or 20 depending on your
LCD Panel type. When the data value reaches 0 or
20, it returns to 10 quickly. The gamma-characteris-
tics changes according to your selection.
Note:
Be careful to take this adjustment. The value of
gamma adjustment data will be reset and cannot be
restored if you change the mode of LCD panel type.

2. Fan control adjustment

1. Enter the service mode.
2. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select Group No. "
0
Item No. " " and change data value to adjust voltage
4.5 ±0.1V
to be .
. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select Item No. "
change data value to adjust voltage to be
0.1V
.
4. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select Item No. "
change data value to adjust voltage to be
5. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select Item No. "
change data value to adjust voltage to be
0.1V
.
6. Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select Item No. "
change data value to adjust voltage to be
7 . Connect a digital voltmeter to test point "
(+) and chassis ground (-). Select Item No. "
change data value to adjust voltage to be
0.15V
.
0
" , Item No. " " . Check the
1
" , Item No. " " and change
tPFANA
tPFANA
1
" and
13.8+0V/-
tPFANB
2
" and
4.5 ±0.1V
tPFANB
3
" and
13.8+0V/-
tPFANc
4
" and
4.5 ±0.1V
tPFANc
5
" and
13.8+0V/-
3. Auto calibration adjustment [Pc]
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with
computer1 [rGB]
. To start the auto-calibration for PC adjustment, select
260
Group No. "
0
value from "
pleted, "OK" will appear on the screen.
Below adjustments are performed when the above
auto calibration is failed.
Pedestal adjustment [Pc]
1. Enter the service mode.
2. Receive the 16-step grey scale computer signal with
computer1 [rGB]
. Connect an oscilloscope to test point "
and chassis ground (-).
4. Select Group No. "
value to adjust the pedestal level and black level to be
the same level.
5. Connect an oscilloscope to test point "
and chassis ground (-).
6. Select Item No. "
the pedestal level and black level to be the same lev-
el.
7 . Connect an oscilloscope to test point "
chassis ground (-).
8. Select Item No. "
"
the pedestal level and black level to be the same lev-
250
" ,
el.
"
"
.
"
"
.
"
-1-
mode.
0
" , Item No. " " and then change data
1
" to " " . After the auto-calibration com-
mode.
0 0
" , Item No. " " and change data
1
" and change data value to adjust
tP35B
2
" and change data value to adjust
tP35G
" (+)
tP35r
" (+)
" (+) and