Sanyo PLC--XP200L, Service Manual

Page: 43 / 154

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Electrical Adjustment
Circuit Adjustments
CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following
adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance
and product safety. Before taking these adjustments, turn the projector for more than 10 minutes to sta-
bilize the operation.
[Adjustment Condition]
●
Input signal
Analog Computer signal ..... 0.7Vp-p/75
W
terminated (XGA)
Composite Video signal ... 1.0Vp-p/75
W
terminated (NTSC / PAL)
Component Video signal .... 0.7Vp-p/75
W
terminated (480i, 480p, 70p, 1080i)
●
Picture control mode .......... “STANDARD” mode unless otherwise noted.
●
Lamp mode......................... “Normal” mode unless otherwise noted.
Note:
* Please refer to “Service Adjustment Menu Operation” for entering the service mode and adjusting the service data.
White 100%
Black 100%
16 steps gray scale pattern
W Y C G M R B BK
100% full color bar pattern
z
Fan Voltages adjustment
Equipment Digital voltmeter
1. Enter the service mode.
. Change data values of each test point to adjust the fan
driving voltage.
Group No. Fan Test Point Adjustment value
250 - 0
FN907 TPFN1
5.0 +0.1 -0Vdc
250 - 1
FN907 TPFN1
13.8 +0 -0.1Vdc
250 - 2
FN903 TPFN
4.0 +0.1 -0Vdc
250 - 3
FN903 TPFN
13.8 +0 -0.1Vdc
250 - 4
FN905/906 TPFN3
5.0 +0.1 -0Vdc
250 - 5
FN905/906 TPFN3
13.8 +0 -0.1Vdc
250 - 6
FN904 TPFN5
4.5 +0.1 -0Vdc
250 - 7
FN904 TPFN5
13.8 +0 -0.1Vdc
250 - 8
FN90 TPFN6
5.0 +0.1 -0Vdc
250 - 9
FN90 TPFN6
13.8 +0 -0.1Vdc
250 - 10
FN901 TPFN7
5.0 +0.1 -0Vdc
250 - 11
FN901 TPFN7
13.8 +0 -0.1Vdc
250 - 12
FN908 TPFN8
5.0 +0.1 -0Vdc
250 - 13
FN908 TPFN8
13.8 +0 -0.1Vdc
x
PC-Auto calibration
Input mode Computer mode
Input signal 16-step gray scale computer signal
1. Enter the service mode.
. To start the auto-calibration for PC adjustment, select
Group "
260
", No. "
0
", and then change data value
"
0
" to "
1
".
After the auto-calibration completed, "OK" will appear
on the screen.
c
Video-Auto calibration
Input mode Video mode (Composite)
Input signal 100% color bar signal
1. Enter the service mode.
. To start the auto-calibration for composite-video
adjustment, select Group "
260
", No. "
0
", and then
change data value "
0
" to "
1
".
After the auto-calibration completed, "OK" will appear
on the screen.