Adjustment - Hitachi C47-WD7000 Service Manual

SERVICE ADJUSTMENTS
2.1 CUT OFF ADJUSTMENT
Adjustment preparation
(1) Pre heat-run should be finished.
(2) Confirm item No. 45（R cut off）,46(G cut off) and 47 （B cut off）are set to 127 in service menu.
(3) Confirm item No.43(R DRV) and No.44(G DRV) are set to 63 in service menu.
Adjustment procedure
(1) Go to "SERVICE" mode item No 10 by using JIG R/C.
Press [►] key to enter CUT OFF adjustment mode.
(2) Screen VR (R, G and B) should be turned clockwise gradually and set the condition that the each horizontal
line is just beginning to appear.
(3) Press [◄] key to return normal mode.
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