ELECTRICAL ADJUSTMENTS
2-12: OSD HORIZONTAL
1.
2.
Activate the adjustment mode display of Fig. 1-1.
Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-3)
B
A
TV
00 OSD 15
Fig. 2-3
2-14: CONTRAST MAX MANUAL
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Receive the color bar pattern. (RF Input)
Using the remote control, set the brightness and contrast
to normal position.
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 "77".
Receive a broadcast and check if the picture is normal.
Receive the color bar pattern. (Audio Video Input)
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~5.
Press the TV/VIDEO button on the remote control to set
to the CS mode.
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 "52".
Receive a broadcast and check if the picture is normal.
2-13: SEPARATION 1, 2
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 (37) 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 (1)
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 (37) 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 (38) 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.
Method (2)
Please do the method (1) or method (2) adjustment.
2-15: LEVEL
1.
2.
3.
4.
Receive the monoscope pattern (70dB).
Connect the AC voltmeter to pin 3 of J708.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (36) on the remote control to
select "LEVEL".
Press the VOL. UP/DOWN button on the remote
control until the AC voltmeter is 75 ± 2mV.
Please check if the fixed values of the each adjustment
items are set correctly referring below.
2-16: Confirmation of Fixed Value (step No.)
NO.
06
08
10
17
19
20
21
22
23
25
27
28
29
30
31
32
33
34
35
39
FUNCTION
H SIZE
V CENT
VS CORR
SUB CONT
CONT CENT
CONT MIN
BRI MAX
BRI MIN
COL MAX
COL MIN
SHARP
RGB CONTRAST
PARABOLA
TRAPEZIU
COR TOP
COR BTM
V EHT
H EHT
FM LEVEL
T.STE
RF
00
25
10
15
40
10
88
32
100
00
30
25
00
00
00
00
00
00
01
00
AV
00
25
10
15
40
10
88
32
100
00
30
25
00
00
00
00
00
00
01
00
CS
00
25
10
12
40
10
88
32
100
00
30
25
00
00
00
00
00
00
01
00
