Sanyo PLV-WF10 Service Manual page 42

12. Flicker reduction
* When the LCD -panel or LCD Panel/Prism assembly is
replaced, to
disappear or reduce
Input mode Computer.
Input signal 1 dot line computer signal
Adjustment :
Enter the mode of "service adjustment".
Adjust each following item so that the flicker may disappear or reduce.
Group Item Screen
200- 13 Display only green light.
200- 14 Display only red light.
200- 15 Display only blue light.
13. White balance adjustments
* When the -panel or LCD Panel/Prism assembly is
LCD
replaced, to a
djust the white balance
Before white balance adjustment:
Illumination photometry and adjustment.
Equipment : Illuminometer (Luxmeter)
Input signal : White signal (100% and 50% )
Enter the mode of "service adjustment".
Group Item Input signal
200- 10 100% white signal
200- 10 50% white signal
210- 10 100% white signal
210- 10 50% white signal
Note-1 :
Measure the intensity of illumination(A Lux) on illuminated screen by
100% white signal with the illuminometer. This reading value is A lux.
Note-2 :
Adjust the intensity of illumination on illuminated screen by 50% white sig-
nal to make the reading of illuminometer to be B lux by using POINT
LEFT (<) or RIGHT (>) buttons.
White balance adjustments:
Input signal : 50% White signal
Enter the mode of "service adjustment".
Group Item Input mode
Lamp mode
930- 0
210- 11 and 12 AV
Lamp-1 & 2
200- 11 and 12 Computer
Lamp-1 & 2
930- 1
211- 11 and 12 Lamp-1 AV
930- 2
212- 11 and 12 Lamp-2 AV
Note-1 :
If the data value appears "11" then go to (a), or appears "0" then go to
(b), or appears "10" then go to (c).
(a) Go to next adjustment item.
(b) Set the data value to "10" and go to next adjustment item.
(c) Wait until it is changed to "0". Then set the data value to "10" and
go to next adjustment item.
Note-2 :
Adjust the white balance so that the image may obtain proper white,
then go to next item.
the flicker is needed.
is needed.
Input mode Action
Computer Measure : A (lx) See note-1.
Computer Adjust : B (lx) See note-2.
AV Measure : A (lx) See note-1.
AV Adjust : B (lx) See note-2.
[ B = A 0.22 Lux (22%) ]
Action
Set 2 lamp mode : See note-1
Adjust white balance : See note-2
Adjust white balance : See note-2
Set 1 lamp mode : See note-1
Adjust white balance : See note-2
Set 1 lamp mode : See note-1
Adjust white balance : See note-2
14. Unevenness color correction
* If you find the uneven color on the screen, please correct it.
* When the -panel or LCD Panel/Prism assembly is
LCD
replaced, to correct the uneven color is needed.
* When the assembly Main is replaced, see item of the assem-
bly main on page 68.
To correct the uneven color, the proper computer and
"Unevenness Color Correction" software supplied separate-
ly are needed. The software for correction is recorded in the
and it can be ordered. To opreate the "Unevenness
CD-ROM
Color Correction" software, refer to Instruction Manual for
details of this software and its operation. This Instruction
Manual is also contained in the
The CD-ROM version of unevenness color correction software
and instruction manual can be ordered as follows.
: Unevenness Color Correction
CD-ROM
version
Service part NO. :
Service part name :
When the assembly main is replaced :
When the assembly main is replaced with new one, to replace
the Memory ICs or to readjust some of the adjustment items is
needed, see item of the "assembly main" on page 68.
When the LCD panel /Prism assembly or LCD-panel is replaced :
When the LCD panel /Prism assembly or LCD-panel is
replaced with new one, to readjust some of the adjustment items
electric and optical is needed, see item of the "LCD panel /Prism
assembly or LCD-panel" on page 68.
-42-
CD-ROM.
Software and Instruction Manual
645 066 7428
CD-ROM C-SHADE COR. -MF7A
NOTE