Toshiba MW27H62 Service Manual page 48

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 (35) 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 120 ± 5% of the
white level. (Refer to Fig. 2-5)
7. Receive the digital broadcast. (RF Input)
8. Perform the above adjustments 2~6.
9. Receive the color bar pattern. (VIDEO Input)
10. Press the INPUT button on the remote control to set to
the AV mode. Then perform the above adjustments 2~6.
11. Playback the DVD(480i ) disc. (COMPONENT Input)
Press the INPUT button on the remote control to set to
the YUV mode. Then perform the above adjustments
2~6.
12. Playback the DVD(480i) disc.
13. Press the DVD button on the remote control to set to the
DVD mode.
14. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (35) on the remote control to
select "COL CENT".
15. Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV mode.
White 100%
ELECTRICAL ADJUSTMENTS
White 0%
100%
Red Level
2-19: CONTRAST MAX
Activate the adjustment mode display of Fig. 1-1 and
1.
press the channel button (33) 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 button on the remote control to set to
the AV mode.
5. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (33) on the remote control to
select "CONT MAX".
6. Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "102".
7. Receive a broadcast and check if the picture is normal.
8. Playback the DVD(480i ) disc. (COMPONENT Input)
9. Press the INPUT button on the remote control to set to
the YUV mode.
10. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (33) on the remote control to
select "CONT MAX".
Press the VOL. UP/DOWN button on the remote control
11.
until the contrast step No. becomes "97".
Playback the DVD(480i) disc.
12.
13. Press the DVD button on the remote control to set to the
DVD mode.
14. Perform the above adjustments 5~7.
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
07 V.POSI
09 VS.CORR
10 V.COMP
15 G DRV(M)
21 G DRV(C)
27 G DRV(W)
30 BRI MAX
31 BRI MIN
Fig. 2-5
32 CONT CENT
34 CONT MIN
36 COL MAX
37 COL MIN
39 SHARP CENT
40 SHARP MAX
41 SHARP MIN
42 SUB BIAS
48 T.STE
D3-4
RF AV YUV DVD
02 02 02 02
06 06 06 06
03 03 03 03
01 01 01 01
20 20 20 20
03 03 03 03
07 07 07 07
07 07 07 07
07 07 07 07
50 50 50 50
0 0 0 0
45 45 45 45
20 20 20 20
90 90 90 90
0 0 0 0
25 25 25 25
45 45 45 45
5 5 5 5
0 0 0 0
0 0 0
0
DIGITAL
02
06
03
01
20
03
07
07
07
50
0
45
20
127
0
25
45
5
0
0