Zenith R45W47 Service Manual

Also see for R45W47: Installation and operating guide

Contents

- 11 -ADJUSTMENT INSTRUCTIONS8-2. Green Lens Adjustment(1) Turn the lens until the chromatic aberration changed Blueto Red point.(2) Observing all screen, if the tendency of chromaticaberration is non-linear, adjust to appear Red chromaticaberration in 3.5 Cross-Hatch section at center screen.At this time, in case that the difference of bright line of Redchromatic aberration is not equal at both sides, adjust tohave more Red chromatic aberration.(3) Switching the signal to 13CH and operate adjustmentminutely.(4) Adjust Green focus control volume of focus pack so thatthe external big circle's part appeared cleary.(5) Adjust accurately by repeat the upper control.(6) Repeat steps 1-4 until this adjustment is correct.8-3. Red Lens Adjustment(1) Turn the lens until the chromatic aberration changedorange to scarlet.(2) Adjust the chromatic aberration so it is centered correctly.(3) Use the same method for the Red focus as was used forthe Green focus.8-4. Blue Lens Adjustment(1) Rotate the lens until the chromatic abberration of 3.5Cross-Hatch left from center point changes from Violet toGreen. Adjust the chromatic abberration to be center pointbetween violet and green.(2) Adjust the chromatic aberration become center of purpleand green.(3) Use the same method for the Blue focus as was used forthe Green focus.8-5. After adjustment Red, Green & Blue lens, remove lenscover and receive Cross-Hatch pattern and check theoverall focus. If need, repeat above.9. Convergence Adjustment9-1. Preliminary steps(1) This adjustment should be performed after warming up 60minutes.(2) This adjustment should be performed after vertical/horizontal raster position, beam alignment magnet andfocus adjustment.(3) Always apply a signal during this adjustment.(4) Adjust uses the JIG part number screen which is latticepattern.9-2. Adjustment(1) Select ADJ key on the service remote Control and thenselect “3 Convergence” move the cursor or using the keyNo.(2) Horizontal/Vertical phase Adjustment1) Press the button 9 & 5 to get into the phase adjustmentmode.2) Horizontal phase Adjustment : Move the convex portionto the middle of TV screen. Adjust the right and leftheight of second lattice into same height.(Using the F, G buttons)(3) Horizontal Pattern Position Adjustment1) Press the button 9 & 4 to get into the pattern shift mode.2) Adjust the pattern and image to be pile up by pressingthe MUTE key.3) Adjust the center of pattern and image to be agree.(Using the F,G,D,E buttons)4) Use the (ENTER) button to exit this adjustment.5) To save the adjustment data press 9, 2 then ENTER.(4) Convergence Automatic AdjustmentConvergence adjust uses the PC and Cameraautomatically in basic, after automatic adjusting against theportion where the Convergence is not right with lower partmanually adjustment with same method.(5) Green Convergence Adjustment (manually)1) After the OSD to appears in the screen by pressing keyNo. 2, change to green(G) adjustment mode bypressing TV/AV.2) Display green color only on the screen by covering theto red CRT and blue CRT.3) Adjust to coincide green pattern with screen jig pattern.(Using the F,G,D,E buttons)At this time, Move cursor from center screen to aroundscreen and adjust convergence.