PT-VW350, PT-VW350D, PT-VW350T, PT-VX420, PT-VX420D, PT-VX420T, PT-VX421 (serv.man4) - Panasonic Projector Service Manual (repair manual). Page 77

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ADJ-21
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
ȯȫ
ȡɕɔɏȀȫɅəɓɔɏɎɅȀȣɁɌɉɂɒɁɔɉɏɎ
1. 12. Keystone calibration
1. 12. 1. Preparation
This is to calibrate the keystone correction circuit.
•  This calibration should be done in the condition that the projector is 
completely assembled and place on the flat floor and the adjuster 
legs are set in the cabinet bottom.
1. 12. 2. Adjustment procedure
1.  Enter the service mode (EXTRA OPTION) and select [KEY-
STONE CALIBRATION].
2. Press [ENTER] button to start the calibration.
3.  When calibration is complete, the message will appear on the 
screen.
4.  Press [MENU] button to exit the adjustment mode.
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