TOSHIBA 14AF43
Manual de Servicio

ELECTRICAL ADJUSTMENTS
2-7: 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 (07) 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 9 ± 2%. 5. Receive a broadcast and check if the picture is normal. 2-8: VERTICAL LINEARITY NOTE: Adjust after performing adjustments in section 2-7. After the adjustment of Vertical Linearity, reconfirm the Vertical Position and Vertical Size adjustments. 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 (08) on the remote control to select "V.LIN". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes minimum. 2-9: BRIGHT CENT 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (16) 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 �77�. 3. Receive a broadcast and check if the picture is normal. 4. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 1~3. 5. Press the TV/VIDEO button on the remote control to set to the CS mode. Then perform the above adjustments 1~3. 2-10: TINT/COLOR CENT 1. Receive the color bar pattern. (RF Input) 2. Connect the oscilloscope to TP024. 3. Using the remote control, set the brightness, contrast, color and tint to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (24) on the remote control to select �TINT�. 5. Press the VOL. UP/DOWN button on the remote control until the section �A� becomes a straight line (Refer to Fig. 2-1). 6. Connect the oscilloscope to TP023. 7. Press the CH DOWN button 2 times to set to �COL. CENT� mode. 8. Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100% and 0% is set to 5 scales on the screen of the oscilloscope. 9. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 115 ± 10% of the white level. (Refer to Fig. 2-2) 10. Receive the color bar pattern. (Audio Video Input) 11. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~9. 12. Press the TV/VIDEO button on the remote control to set to the CS mode. 13. Activate the adjustment mode display of Fig. 1-1 and press the channel button (24) on the remote control to select �TINT�. 14 Press the VOL. UP/DOWN button on the remote control until the tint step No. becomes �53�. 15. Press the CH DOWN button 2 times to set to �COL.CENT� mode. 16. Press the VOL. UP/DOWN button on the remote control until the color step No. becomes �69�.

�A� Fig. 2-1

White 100% RED Level

Fig. 2-2

D-2