TOSHIBA 13A23W
Service Manual

ELECTRICAL ADJUSTMENTS
2-6: 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%. 2-7: SUB BRIGHTNESS 1. Receive the monoscope pattern. (RF Input) 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 (13) on the remote control to select "BRI.CENT". 4. Press the VOL. UP/DOWN button on the remote control until the white 10% is starting to be visible 5. Receive the monoscope pattern. (Audio Video Input) 6. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~4. 2-8: SUB TINT/SUB COLOR 1. Receive the color bar pattern. 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". Press the VOL. UP/DOWN button on the remote control until the section "A" becomes as straight line (Refer to Fig. 2-1) Connect the oscilloscope to TP022. Activate the adjustment mode display of Fig. 1-1 and press the channel button (19) on the remote control to select "COL.CENT". Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 110 ± 10% of the white level. (Refer to Fig. 2-2) Receive the color bar pattern. (Audio Video Input) Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~7 white 100% red 110% 2-9: SUB CONTRAST 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 �45�. 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. 2-10: 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. 2-3) Fig. 2-2

4.

TV

5. 6.

00 OSD A

34 B Fig. 2-3

7.

8. 9.

"A"

Fig. 2-1

D-2