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ELECTRICAL ADJUSTMENTS
2-6: HORIZONTAL PHASE 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (05) on the remote control to select "H.PHAS". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum. 2-7: VERTICAL SHIFT 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (07) on the remote control to select "V.SFT". 4. Press the VOL. UP/DOWN button on the remote control until the horizontal line becomes fit to the notch of the shadow mask. 2-8: VERTICAL SIZE 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (06) on the remote control to select "V.SIZE". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 10 ± 2%. 5. Receive a broadcast and check if the picture is normal. 2-9: OSD HORIZONTAL 1. Activate the adjustment mode display of Fig. 1-1. 2. Press the VOL. UP/DOWN button on the remote control until the difference of A and B becomes minimum. (Refer to Fig. 2-1) White 0% 2-11: SUB TINT/SUB COLOR 1. Receive the color bar pattern. (RF Input) 2. Connect the oscilloscope to TP023. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (22) on the remote control to select "TINT". 4. Press the VOL. UP/DOWN button on the remote control until the section "A" becomes as straight line. (Refer to Fig. 2-2) 5. Connect the oscilloscope to TP022. 6. Press the channel button (19) on the remote control to select "COL. CENT". 7. Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100% and 0% is set to 4 scales on the screen of the oscilloscope. 8. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 120 ± 10% of the white level. (Refer to Fig. 2-3) 9. Receive the color bar pattern. (Audio Video Input) 10. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~8.
"A" Fig. 2-2
0%
TV 100%
White 100% Red Level 00 OSD A 2-10: BRIGHTNESS MANUAL 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (13) on the remote control to select "BRI.CENT". 2. Press the VOL. UP/DOWN button on the remote control until the brightness step No. becomes "130". 3. Receive a broadcast and check if the picture is normal. 4. Press the TV/VIDEO button on the remote to set to the AV mode. Then perform the above adjustment 2~3. 15 2-12: SUB CONTRAST B Fig. 2-1
Fig. 2-3
1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to select "CONT.MAX". 2. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "67". 3. Receive a broadcast and check if the picture is normal. 4. Press the TV/VIDEO button on the remote to set to the AV mode. Then perform the above adjustment 2~3.
