Toshiba MW27FN1/R, Service Manual

Page: 54 / 130

ELECTRICAL ADJUSTMENTS
D3-4
Please check if the fixed values of the each adjustment
items are set correctly referring below.
2-20: Confirmation of Fixed Value (step No.)
NO.
01
04
05
09
10
18
19
20
22
24
25
27
28
34
35 FUNCTION
OSD C
H.BLK L
H.BLK R
VS.CORR
V.COMP
BRI MAX
BRI MIN
CONT CENT
CONT MIN
COL MAX
COL MIN
SHARP
SUB BIAS
H.COMP
T.STE RF
03
04
03
15
03
50
05
70
15
127
00
25
00
02
00
AV
03
04
03
15
03
50
05
70
15
127
00
25
00
02
00
DVD
03
04
03
15
03
50
05
70
15
127
00
15
00
02
00
2-19: SUB CONTRAST MAX
1.
2.
3.
4.
5.
6.
7.
8.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (21) on the remote control to
select "CONT MAX".
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "106".
Receive a broadcast and check if the picture is normal.
Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 1~3.
Receive a broadcast and check if the picture is normal.
Press the DVD button on the remote control to set to the
DVD mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (21) on the remote control to
select "CONT MAX".
Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV mode. 1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
2-18: COLOR CENTER
Receive the color bar pattern. (RF Input)
Using the remote control, set the brightness, contrast,
color and tint to normal position.
Connect the oscilloscope to TP804.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (23) on the remote control to
select "COL CENT".
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.
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)
Receive the color bar pattern. (Audio Video Input)
Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~6.
Press the DVD button on the remote control to set to the
DVD mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (23) on the remote control to
select "COL CENT".
Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV mode.
Fig. 2-4
White 0%
White 100%
100%
Red Level