Fan Control Adjustment - Eiki LC-WB200 Service Manual

Electrical Adjustments

1. Fan Control adjustment

Equipment Digital voltmeter
1. Enter the service mode.
. Adjust the voltage on each test point by changing the
data values of Group - No.
Group - No. Test Points
250 - 0
TPFANA
250 - 1
TPFANA
250 - 2
TPFANB
250 - 3
TPFANB
250 - 4
TPFANC
250 - 5
TPFANC
Adjustments item no. [] and [4] are carried out
at the spare parts shipment in the factory, there-
fore they are not required when the main board is
2. Auto Calibration adjustment [PC]
replaced with new one.
2. Auto Calibration adjustment [PC]
Input mode Computer 1 (Analog PC)
Input signal XGA Computer signal
Signal pattern 16-step gray scale
1. Enter the service mode.
200
. Select Group " ", No. "
0 260
" ". Select Group "
1
to " ".
The projector begins auto-calibration and then "OK"
will appear on the screen.
200
3. Select Group " ", No. "
1 260
" ". Select Group "
1
to " ".
The projector begins auto-calibration and then "OK"
will appear on the screen.
200
4. Select Group " ", No. "
0
" " .
Below adjustments are performed when the above auto
calibration is failed.
Gain adjustment [PC]
Equipment Oscilloscope
1. Enter the service mode.
200
. Select Group " ", No. "
1
to " ".
a
3. Adjust the amplitude "
point to be minimum by changing the data value of
Group - No.
Group - No. Test Point
0 - 3 TP35R
0 - 4 TP35G
0 - 5 TP35B
Adjustment value
4.0 ±0.1Vdc
13.5 ±0.1Vdc
5.2 ±0.1Vdc
13.5 ±0.1Vdc
3.5 ±0.1Vdc
12.0 ±0.1Vdc
70
" and set data value to
0
", No. " " and set data value
70
" and set data value to
0
", No. " " and set data value
70
" and set data value to
70
" and set the data value
" of waveform at each test
200
4. Select Group "
0
" ".
5. Adjust the amplitude "
point to be minimum by changing the data value of
Group - No.
Group - No. Test Point
0 - 3 TP35R
1
0 - 4 TP35G
1
0 - 5 TP35B
1
(a)
3. Auto Calibration adjustment [Component]
Input mode Computer 1 (Component)
Input signal 1080i component signal
Signal pattern 8 color bar
1. Enter the service mode
200
. Select Group "
0
" ". Select Group "
1
to " ".
The projector begins auto-calibration and then "
will appear on the screen.
200
3. Select Group "
1
" ". Select Group "
1
to " ".
The projector begins auto-calibration and then "
will appear on the screen.
-3-
70
", No. " " and set data value to
a
" of waveform at each test
White Level
71
", No. " " and set data value to
260 0
", No. " " and set data value
71
", No. " " and set data value to
260 0
", No. " " and set data value
OK
"
OK
"