Toshiba MW27FP1 Service Manual page 47

2-18: COLOR CENTER
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 TP804.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (23) on the remote control to
select "COL CENT".
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 ± 5% of the
white level. (Refer to Fig. 2-4)
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.
9. Press the DVD button on the remote control to set to the
DVD mode.
10. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (23) on the remote control to
select "COL CENT".
11. Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV mode.
White 0%
White 100%
ELECTRICAL ADJUSTMENTS
100%
Red Level
Fig. 2-4
2-19: SUB CONTRAST MAX
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (21) 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 "106".
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.
5. Receive a broadcast and check if the picture is normal.
Press the DVD button on the remote control to set to the
DVD mode.
6. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (21) on the remote control to
7. select "CONT MAX".
8. Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV mode.
2-20: Confirmation of Fixed Value (step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO. FUNCTION
01 OSD C
04 H.BLK L
05 H.BLK R
09 VS.CORR
10 V.COMP
18 BRI MAX
19 BRI MIN
20 CONT CENT
22 CONT MIN
24 COL MAX
25 COL MIN
27 SHARP
28 SUB BIAS
34 H.COMP
35 T.STE
D3-4
RF DVD
AV
03 03 03
04 04 04
03 03 03
18 18
18
03 03 03
50 50 50
05 05 05
70 70
70
15 15
15
127 127 127
00 00 00
25 25 25
00 00
00
02 02 02
00 00 00