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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/75W terminated (XGA)
Composite Video signal ...
1.0Vp-p/75W terminated (NTSC / PAL)
Component Video signal .... 1.0Vp-p/75W terminated (480i, 480p, 720p, 1080i)
● Image mode ........................
“Standard”
● Advanced color ....................
“Off”
● Lamp mode.........................
“Normal”
● Screen ..................................
“Normal”
Note:
* Please refer to “Service Adjustment Menu Operation” for entering the service mode and adjusting the service data.
x Fan Voltages adjustment
Equipment Digital voltmeter
1. Enter the service mode.
2. Change data values of each test point to adjust the fan
driving voltage.
Group No. Test Point
Adjustment value
250 - 0 TPFN1 5.0 +0.1 -0Vdc
250 - 1 TPFN1 13.8 +0 -0.1Vdc
250 - 2 TPFN2 4.0 +0.1 -0Vdc
250 - 3 TPFN2 13.8 +0 -0.1Vdc
250 - 4 TPFN3 5.0 +0.1 -0Vdc
250 - 5 TPFN3 13.8 +0 -0.1Vdc
250 - 6 TPFN4 4.5 +0.1 -0Vdc
250 - 7 TPFN4 13.8 +0 -0.1Vdc
250 - 8 TPFN5 5.0 +0.1 -0Vdc
250 - 9 TPFN5 13.8 +0 -0.1Vdc
250 - 10 TPFN6 5.0 +0.1 -0Vdc
250 - 11 TPFN6 13.8 +0 -0.1Vdc
250 - 12 TPFN7 5.0 +0.1 -0Vdc
250 - 13 TPFN7 13.8 +0 -0.1Vdc
z
LCD panel L/R setting
There are two type( Type L, Type R) for the LCD/Prism
Assy. The adjustment data is stored in the memory IC
on the main board.
As the used type is indicated on the LCDpanel/prism
assy, perform this adjustment to match to its type indica-
tion.
1. Enter the service mode.
2. Check the data value. (290 - 0)
Group No. Value Panel type
290 - 0 0 L
290 - 0 20 R
3. To change the set panel type, select 290-1.
Group No. Value Panel type
290 - 1 0 L
290 - 1 10 Initial
290 - 1 20 R
The initial data of 290 -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 "20". When the value set "0" or "20", it automati-
cally returns to initial data "10" after the setup.
16 steps gray scale pattern
8 color 100% full color bar
W Y C G M R B BK
White 100%
White 0%
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