Circuit Adjustments - Sanyo PLC-XP200L Service Manual

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/75W terminated (XGA)
Composite Video signal ... 1.0Vp-p/75W terminated (NTSC / PAL)
Component Video signal .... 0.7Vp-p/75W terminated (480i, 480p, 70p, 1080i)
16 steps gray scale pattern
White 100%
● 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.
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
250 - 0 FN907
250 - 1
FN907
250 - 2 FN903
250 - 3
FN903
250 - 4
FN905/906 TPFN3
250 - 5 FN905/906 TPFN3
250 - 6
FN904
250 - 7
FN904
250 - 8 FN90
250 - 9
FN90
250 - 10 FN901
250 - 11 FN901
250 - 12 FN908
250 - 13 FN908
Black 100%
Test Point Adjustment value
TPFN1 5.0 +0.1 -0Vdc
13.8 +0 -0.1Vdc
TPFN1
TPFN 4.0 +0.1 -0Vdc
13.8 +0 -0.1Vdc
TPFN
5.0 +0.1 -0Vdc
13.8 +0 -0.1Vdc
4.5 +0.1 -0Vdc
TPFN5
13.8 +0 -0.1Vdc
TPFN5
TPFN6 5.0 +0.1 -0Vdc
13.8 +0 -0.1Vdc
TPFN6
TPFN7 5.0 +0.1 -0Vdc
TPFN7 13.8 +0 -0.1Vdc
5.0 +0.1 -0Vdc
TPFN8
TPFN8 13.8 +0 -0.1Vdc
100% full color bar pattern
W Y C
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.
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