PT-VW350, PT-VW350D, PT-VW350T, PT-VX420, PT-VX420D, PT-VX420T, PT-VX421 (serv.man4) - Panasonic Projector Service Manual (repair manual). Page 75

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ADJ-19
SECTION 3 ADJUSTMENTS
ȥȸȴȲȡȀȯȰȴȩȯȮ
ȦȲȥȥȺȥȀȭȥȳȳȡȧȥȀ
ȯȮ
ȦȡȮȀȦȵȬȬȀȭȯȤȥȀ
ȯȦȦ
ȶȧȡȖȐȏȔȘȐȰȀ
ȡȵȴȯ
ȥȭȵȬȡȴȥ
ȍȀȢȡȵȤȀȲȡȴȥȀ
șȖȐȐ
ȍȀȶȥȲȳȩȯȮȀ
ȍȍȍȀȏȀȭȑȡ
ȍȀȩȮȰȵȴȀȳȥȬȥȣȴ
ȳȥȬȦȀȣȨȥȣȫ
ȴȥȳȴȀȰȡȴȴȥȲȮ
ȦȬȩȣȫȥȲȀȡȤȪȵȳȴ
ȭȯȤȥȬȀȮȯȎȳȥȴȴȩȮȧ
ȰȡȮȥȬȀȴȹȰȥȀȳȥȴȴȩȮȧȀ
Ȭ
ȦȡȮȀȶȯȬȴȀȡȤȪȵȳȴ
ȩȮȰȵȴȀȡȵȴȯȀȣȡȬȩȢȲȡȴȩȯȮ
ȷȨȩȴȥȀȢȡȬȡȮȣȥȀȡȤȪȵȳȴ
ȫȥȹȳȴȯȮȥȀȣȡȬȩȢȲȡȴȩȯȮ
ȣȬȯȧȀȳȥȮȳȯȲȀȣȡȬȩȢȲȡȴȩȯȮȀ
ȵȮȤȥȲȀȀȒȐȐɍ
ȥȸȴȲȡȀȯȰȴȩȯȮ
ȦȲȥȥȺȥȀȭȥȳȳȡȧȥȀ
ȯȮ
ȦȡȮȀȦȵȬȬȀȭȯȤȥȀ
ȯȦȦ
ȶȧȡȖȐȏȔȘȐȰȀ
ȡȵȴȯ
ȥȭȵȬȡȴȥ
ȍȀȢȡȵȤȀȲȡȴȥȀ
șȖȐȐ
ȍȀȶȥȲȳȩȯȮȀ
ȍȍȍȀȏȀȭȑȡ
ȍȀȩȮȰȵȴȀȳȥȬȥȣȴ
ȳȥȬȦȀȣȨȥȣȫ
ȴȥȳȴȀȰȡȴȴȥȲȮ
ȦȬȩȣȫȥȲȀȡȤȪȵȳȴ
ȭȯȤȥȬȀȮȯȎȳȥȴȴȩȮȧ
ȰȡȮȥȬȀȴȹȰȥȀȳȥȴȴȩȮȧȀ
Ȭ
ȦȡȮȀȶȯȬȴȀȡȤȪȵȳȴ
ȩȮȰȵȴȀȡȵȴȯȀȣȡȬȩȢȲȡȴȩȯȮ
ȷȨȩȴȥȀȢȡȬȡȮȣȥȀȡȤȪȵȳȴ
ȫȥȹȳȴȯȮȥȀȣȡȬȩȢȲȡȴȩȯȮ
ȣȬȯȧȀȳȥȮȳȯȲȀȣȡȬȩȢȲȡȴȩȯȮȀ
ȵȮȤȥȲȀȀȒȐȐɍ
ȷȨȩȴȥȀȢȡȬȡȮȣȥȀȡȤȪȵȳȴ
ȲȥȤ
Ȁ
Ȓȕȕ
ȢȬȵȥȀ
Ȓȕȕ
1. 8. Flicker adjustment
1. 8. 1. Adjustment procedure
1.  Enter the service mode (EXTRA OPTION) and select [FLICKER 
ADJUST] and press [ENTER] button to enter the adjustment 
mode.
2.  The whole red raster pattern will displayed on the screen when 
enter the adjustment mode.
3. Adjust the flicker to be minimum with [
t
] [
u
] buttons.
4.  Change the adjustment pattern with [
p
] [
q
] buttons and repeat 
the step 3 above.
  Projector provide 3 adjustment patterns "Red", "Green" and "Blue".
5.  After finishing, press [MENU] button to exit the adjustment mode.
1. 9. White balance adjustment
1. 9. 1. Adjustment procedure
1. Input the gray scale gradation pattern.
2.  Enter the service mode (EXTRA OPTION) and select [WHITE 
BALANCE ADJUST] and press [ENTER] button to enter the ad-
justment mode.
3. Select the adjustment item with [
p
] [
q
] buttons.
4.  Adjust the white balance of halftone image on the screen with [
t
[
u
] buttons.
5.  After finishing, press [MENU] button to exit the adjustment mode.
<Note>
The projector can store the white balance level for each picture 
mode as shown below. Adjust the white balance for each mode 
properly.
Input
Mode
Computer
Dynamic
Standard
Natural
Video
Dynamic
Standard
Cinema
--
Black board
White board
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