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Toshiba 27A41 Service Manual page 12

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2-15: SUB TINT/SUB COLOR
1.
Receive the color bar pattern. (RF Input)
2.
Connect the oscilloscope to TP806.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (20) on the remote control to
select "TINT".
4.
Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-2.
5.
Connect the oscilloscope to TP804.
6.
Press the CH DOWN button 3 times to set to
"SUBCONT" mode.
7.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 105 ± 5% of the
white level. (Refer to Fig. 2-3)
8.
Receive the color bar pattern. (Audio Video Input)
9.
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~7.
10.
Receive the color bar pattern. (Audio Video Input)
Press the TV/VIDEO button on the remote control to set
11.
to the CS mode. Then perform the above adjustments
2~6.
12.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 130 ± 5% of the
white level. (Refer to Fig. 2-4)
White 100%
White 100%
ELECTRICAL ADJUSTMENTS
Fig. 2-2
RED Level
Fig. 2-3
RED Level
Fig. 2-4
2-16: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO.
FUNCTION
RF
05
V. POSI
00
06
H. SIZE
00
08
V. CENT
35
10
VS. CORR
12
21
SHARP
30
22
RGB CONT
25
23
PARABOLA
00
24
TRAPEZIU
00
25
COR TOP
00
26
COR BTM
00
27
V EHT
00
28
H EHT
00
29
FM. LVL
01
AV
CS
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30
30
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