Toshiba MV13DM2 Service Manual page 34

2-13: SUB CONTRAST
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (14) on the remote control to
select "CONTRAST".
2. Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "100".
3. Receive a broadcast and check if the picture is normal.
4. Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 1~3.
2-14: SUB TINT
1. Receive the color bar pattern. (RF Input)
2. Using the remote control, set the brightness, contrast,
color and tint to normal position.
3. Connect the oscilloscope to TP803.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) 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. 2-2)
6. Receive the color bar pattern. (Audio Video Input)
7. Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~5.
2-15: SUB COLOR
1. Receive the color bar pattern. (RF Input)
2. Using the remote control, set the brightness, contrast,
color and tint to normal position.
3. Connect the oscilloscope to TP801.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (15) on the remote control to
select "COLOR".
5. 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.
6. 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. 2-3)
7. Receive the color bar pattern. (Audio Video Input)
8. Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~6.
ELECTRICAL ADJUSTMENTS
"A"
Fig. 2-2
D3-3
White 100%
2-16: 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. 2-4)
00 OSD
A
2-17: SUB SHARPNESS
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (17) on the remote control to
select "SHARPNESS".
2. Check if the step No. of SHARPNESS is "40".
3. Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustment 1~2.
2-18: H. VCO
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (04) on the remote control to
select "H VCO".
2. Check if the step No. of H VCO is "4".
White 0%
100%
Red Level
Fig. 2-3
TV
15
B
Fig. 2-4