1. Degauss the CRT and allow CRT to operate for 20 minutes before starting the alignment. 2. Set the screen control to minimum position. Input the Black raster signal from RF input. 3. Enter the Service mode. (See page 1-6-1.) Dimmed horizontal line appears on the CRT. 4. Press the [VOL p] button. (Press [VOL p] button then display will change CUT OFF/DRIVE adjustment). 5. Choose CUT OFF/DRIVE mode then press [1] button. This adjustment mode is CUT OFF (R). 6. Press the [CH o / p] buttons until the horizontal line becomes white. 7. Choose CUT OFF/DRIVE mode then press [2] button. This adjustment mode is CUT OFF (G). Press [CH o / p] buttons until the horizontal line becomes white. 8. Choose CUT OFF/DRIVE mode then press [3] button. This adjustment mode is CUT OFF (B). Press [CH o / p] buttons until the horizontal line becomes white. 9. Input the White Raster Signal from Video In. 10. Choose CUT OFF/DRIVE mode then press [4] button. Adjust the RED DRIVE as needed with the [CH o / p] buttons to get the following value, X = 286, Y = 294. 11. Choose CUT OFF/DRIVE mode then press [5] button. Adjust the BLUE DRIVE as needed with the [CH o / p] buttons to get the following value, X = 286. 12. Turn the power off and on again.
10. Sub-Brightness Adjustment
Purpose: To get proper brightness. Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by adjusting the Brightness Control. Test Point --Tape --Adj. Point [CH o / p] buttons M. EQ. Pattern Generator Figure Mode --Input SMPTE 7.5IRE Spec. See below
White
Black This bar just visible
Fig. 5
Note: SMPTE Setup level --- 7.5 IRE 1. Enter the Service mode. (See page 1-6-1.) Then input SMPTE signal from RF input. 2. Press [MENU] button. (Press [MENU] button then display will change BRT, CNT, COL, TNT and V-T.) Select BRT and press [CH o / p] buttons so that the bar is just visible (See above figure). 3. Turn the power off and on again.
