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SERVICE ADJUSTMENTS
Adjustment Procedure
(1) Enter "SERVICE MENU" and select item No.10. Press [►] key to enter CUT OFF adjustment mode.
(2) Turn screen VR (R, G and B) clockwise gradually until each horizontal line (R, G or B) begins to appear.
(3) Press [◄] key to return normal mode.
2.2 RASTER TILT ADJUSTMENT
Adjustment Preparation
(1) Face the set East or West.
(2) Receive the NTSC cross-hatch signal.
(3) Contrast should be set maximum and the other controls should be set center.
(4) The lens focus should be coarsely adjusted.
(5) The electrical focus should be coarsely adjusted.
(6) The digital convergence should not be corrected.
(7) Turn the Main power switch off.
(8) Press and hold the "SERVICE ONLY" switch on CONVERGENCE/FOCUS P.W.B. and switch on the Main
power.
Adjustment Procedure
(1) Apply covers to the R and B lenses or short the TS (2P SUB MINI Connector) on R and B on CPT P.W.B. to
project only green beam.
(2) Turn the G deflection yoke and adjust the Vertical raster inclination. (Fig. 5)
(3) Remove the cover of R or B lens and display blue light and green light together on the screen.
(4) Turn the deflection yoke of R or B and adjust the inclination of R or B light with reference to the green light as
shown on Fig. 6.
(5) After the adjustment, fix the screw of each DY with a torque of 1.18 Nm (12kgfcm).
L≦±2mm
L
Vertical center axis of cross-hatch signal
Fig. 5 Raster inclination (G)
2.3 DCU PHASE DATA SETTING
Adjustment Preparation
(1) Complete cut off adjustment.
Adjustment Procedure
(1) Receive any PAL signal and Set to 100HZ mode. (RF or VIDEO)
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G
14
L
1
≦±2mm
L
, L
1
2
L
2
Fig. 6 Raster inclination (R or B)
R or B
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