TOSHIBA 26HF15
Service Manual

ELECTRICAL ADJUSTMENTS
2-8: BRIGHT CENT 1. Receive the monoscope pattern. (RF Input) 2. Set the screen mode to FULL. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (43) on the remote control to select "BRI CENT". 5. Press the VOL. UP/DOWN button on the remote control until the white 2.7% is starting to be visible 6. Receive the monoscope pattern. (Audio Video Input) 7. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~5. 8. Receive the monoscope pattern. 9. Press the TV/VIDEO button on the remote control to set to the CS mode.Then perform the above adjustments 2~5. 10. Receive the monoscope pattern. 11. Press the TV/VIDEO button on the remote control to set to the HD-MI mode.Then perform the above adjustments 2~5. 2-9: SUB CONTRAST 1. Set the screen mode to FULL. 2. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "SUB CONT". 3. Check if the step No. SUB CONT is "14". 4. Receive a broadcast and check if the picture is normal. 5. Press the TV/VIDEO button on the remote control to set to the AV mode. 6. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "SUB CONT". 7. Check if the step No. SUB CONT is "16". 8. Receive a broadcast and check if the picture is normal. 9. Press the TV/VIDEO button on the remote control to set to the CS mode. 10. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "SUB CONT". 11. Check if the step No. SUB CONT is "21". 12. Receive a broadcast and check if the picture is normal. Press the TV/VIDEO button on the remote control to set to the HD-MI mode. 13. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "SUB CONT". 14. Check if the step No. SUB CONT is "22". 15. Receive a broadcast and check if the picture is normal. 2-10: TRAPEZIUM 1. Receive the crosshatch signal from the Pattern Generator. 2. Press the MENU button. And, then press the LEFT/ RIGHT button on the remote control until the PICTURE menu appears. 3. Press the LEFT/RIGHT button on the remote control to highlight DISPLAY FORMAT. 4. Press the LEFT/RIGHT button on the remote control to select 1080i. 5. Set the screen mode to FULL. 6. Using the remote control, set the brightness and contrast to normal position. 7. Activate the adjustment mode display of Fig. 1-1 and press the channel button (16) on the remote control to select �TRAPEZIUM�. 8. Press the VOL. UP/DOWN button on the remote control until the both ends vertical lines of the screen become parallel. 2-11: COR TOP/BTM 1. Receive the crosshatch signal from the Pattern Generator. 2. Set the screen mode to FULL. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to select �COR. TOP�. 5. Press the VOL. UP/DOWN button on the remote control until the both ends vertical lines become straight. 6. Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to select �COR. BTM�. 7. Press the VOL. UP/DOWN button on the remote control until the both ends vertical lines of the screen become parallel. 2-12: SEMSOR SAW 1. Receive the crosshatch signal from the Pattern Generator. 2. Press the MENU button. And, then press the LEFT/ RIGHT button on the remote control until the PICTURE menu appears. 3. Press the LEFT/RIGHT button on the remote control to highlight DISPLAY FORMAT. 4. Press the LEFT/RIGHT button on the remote control to select 1080i. 5. Set the screen mode to FULL. 6. Activate the adjustment mode display of Fig. 1-1 and press the channel button (22) on the remote control to select �C.SAW�. 7. Press the VOL. UP/DOWN button on the remote control until the both ends vertical lines of the screen become parallel.

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