Toshiba 20AF42 Посібник з експлуатації - Сторінка 14
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2-12: 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. 2-3)
00 OSD
A
2-13: SEPARATION 1, 2
Please do the method (1) or method (2) adjustment.
Method (1)
1.
Set the multi-sound signal generator for each different
L-ch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz)
and receive the RF.
2.
Connect the oscilloscope to the Audio Out Jack.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (37) on the remote control to
select "SEP 1".
4.
Press the VOL. UP/DOWN button on the remote control
to adjust it until the audio output wave becomes a fine
sine wave.
5.
Press the CH UP button once the set to "SEP 2" mode.
Then perform the above adjustment 4.
Method (2)
1.
Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF.
2.
Connect the oscilloscope to the Audio Out Jack (R-ch).
Press the AUDIO SELECT button on the remote control
3.
to set to the stereo mode.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (37) on the remote control to
select "SEP 1".
Press the VOL. UP/DOWN button on the remote control
5.
to adjust it until the R-ch output becomes minimum.
6.
Set the multi-sound signal generator L-ch=Non input,
R-ch=1KHz and receive the RF.
7.
Connect the oscilloscope to the Audio Out Jack (L-ch).
Activate the adjustment mode display of Fig. 1-1 and
8.
press the channel button (38) on the remote control to
select "SEP 2".
Press the VOL. UP/DOWN button on the remote control
9.
to adjust it until the L-ch output becomes minimum.
ELECTRICAL ADJUSTMENTS
TV
15
B
Fig. 2-3
2-14: CONTRAST MAX MANUAL
1.
Receive the color bar pattern. (RF Input)
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select "CONT MAX".
4.
Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "96".
5.
Receive a broadcast and check if the picture is normal.
6.
Receive the color bar pattern. (Audio Video Input)
7.
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~5.
8.
Press the TV/VIDEO button on the remote control to set
to the CS mode. Then perform the above adjustments
2~5.
2-15: Confirmation of Fixed Value (step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO.
FUNCTION
06
H SIZE
08
V CENT
10
VS CORR
17
SUB CONT
19
CONT CENT
20
CONT MIN
21
BRI MAX
22
BRI MIN
23
COL MAX
25
COL MIN
27
SHARP
28
RGB CONTRAST
29
PARABOLA
30
TRAPEZIU
31
COR TOP
32
COR BTM
33
V EHT
34
H EHT
35
FM LEVEL
36
LEVEL
39
T.STE
AV
CS
RF
00
00
00
10
10
10
10
10
10
08
08
08
60
60
60
16
16
16
127
127
127
20
20
20
110
110
110
00
00
00
40
40
40
27
27
27
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
01
01
01
45
45
45
00
00
00