Sanyo PLC-EF31, Service Manual

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15. Flicker reduction
Input mode Computer.
Input signal 1 dot line computer signal
Set the image to "Service mode."
Adjust each color for minimum flickers with the - buttons.
Group No. Screen
200- 17 Display only green light.
200- 18 Display only red light.
200- 19 Display only blue light.
16. White balance adjustments
Input signal 16 step gray scale signal
Set the image to "Service mode."
Adjust each item value with the and - buttons and to obtain better white
balance.
Group No. Lamp mode Input mode
Adjustment value.
930- 0 See note.
210- 14 and 16 2 lamp mode AV Better white balance.
200- 14 and 16 2 lamp mode Computer Better white balance.
930- 1 See note.
211- 14 and 16 Lamp-1 of 1 lamp mode AV Better white balance.
930- 2 See note.
212- 14 and 16 Lamp-2 of 1 lamp mode AV Better white balance.
Note :
Check data value on the screen, and go to (1), (2) or (3).
(1) If the data value appears "11" on the screen, go to (a).
(2) If the data value appears "0" on the screen, go to (b).
(3) If the data value appears "99" on the screen, go to (c).
(a) Go to next white balance adjustment.
(b) Set the data value to "10" and go to next white balance adjustment.
(c) Wait until it is changed to "0". Then set the data value to "10" and
go to next white balance adjustment.
17. Unevenness color correction
If you find the Unevenness color on the screen, please correct it by
using the proper computer and "color shading correction" soft
ware supplied separately.
The soft ware can be ordered as follows:
"Color shading correction"
Service part NO. : 645 051 2308