Toshiba 20AF44 - Setting up your TV; Changing the on-screen display language

ELECTRICAL ADJUSTMENTS
D-3
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select "CONT.MAX".
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "86".
Receive a broadcast and check if the picture is normal.
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
1~3.
Press the TV/VIDEO button on the remote control to set
to the CS mode. Then perform the above adjustments
1~3.
1.
2.
3.
4.
5.
2-11: CONTRAST MAX MANUAL
2-12: SEPARATION 1, 2
Please do the method (1) or method (2) adjustment.
Method (1)
1.
2.
3.
4.
5.
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.
Connect the oscilloscope to the Audio Out Jack.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (34) on the remote control to
select “SEP 1”.
Press the VOL. UP/DOWN button on the remote control to
adjust it until the audio output wave becomes a fine sine
wave.
Press the CH UP button once the set to “SEP 2” mode.
Then perform the above adjustment 4.
Method (2)
1.
2.
3.
4.
5.
6.
7.
8.
9.
Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF.
Connect the oscilloscope to the Audio Out Jack (R-ch).
Press the AUDIO SELECT button on the remote control to
set to the stereo mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (34) on the remote control to
select “SEP 1”.
Press the VOL. UP/DOWN button on the remote control to
adjust it until the R-ch output becomes minimum.
Set the multi-sound signal generator L-ch=Non input,
R-ch=1KHz and receive the RF.
Connect the oscilloscope to the Audio Out Jack (L-ch).
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (35) on the remote control to
select “SEP 2”.
Press the VOL. UP/DOWN button on the remote control to
adjust it until the L-ch output becomes minimum.
2-13: LEVEL
1.
2.
3.
4.
Receive the monoscope pattern (70dB).
Connect the AC voltmeter to pin 6 of CP101.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (33) on the remote control to
select "LEVEL".
Press the VOL. UP/DOWN button on the remote control
until the AC voltmeter is 85 ± 2mV.
Please check if the fixed values of the each adjustment
items are set correctly referring below.
2-14: Confirmation of Fixed Value (step No.)
NO.
00
02
04
05
06
09
15
17
19
20
21
23
25
26
27
30
31
32
FUNCTION
OSD H
H.VCO
AFC GAIN
V.SHIFT
H.SIZE
VS CORRECTION
BRIGHT MAX
BRIGHT MIN
CONTRAST CENT
CONTRAST MIN
COLOR MAX
COLOR MIN
SHARPNESS
CB DELAY FINE
CR DELAY FINE
E/W PARABOLA
E/W CORNER
E/W TRAPEZIUM
STEP NO.
25
03
07
02
01
34
125
75
50
18
90
00
40
00
00
31
31
31