ELECTRICAL ADJUSTMENTS
D-4
27A45/27A45C
2-19: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
FUNCTION
H.VCO
AFC GAIN
V.SHIFT
VS.CORRECTION
BRI.MAX
BRI.MIN
CONT.CENT
CONT.MIN
COL.MAX
COL.MIN
SHARPNESS
CB DL
CR DL
CB PED
CR PED
CORNER
NO.
02
04
05
09
15
17
19
20
21
23
25
26
27
28
29
31
RF
03
04
02
38
140
45
64
20
90
00
40
00
00
08
08
35
CS
03
04
02
38
140
45
64
20
90
00
40
00
00
08
08
35
AV
03
04
02
38
140
45
64
20
90
00
40
00
00
08
08
35
2-18: HORIZONTAL PHASE
1.
2.
3.
4.
Receive the center cross signal from the Pattern
Generator.
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 (03) on the remote control to
select “H.PHASE”.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right and
left becomes minimum.
2-17: CONTRAST MAX
1.
2.
3.
4.
5.
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 “85”.
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.
2-16: TINT
1.
2.
3.
4.
5.
6.
7.
8.
9.
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 TP024.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) on the remote control to
select "TINT".
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line.
(Refer to Fig. 2-
4
)
Receive the video color bar pattern. (Audio Video Input)
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. Then perform the above adjustments 2~4.
Press the VOL. UP/DOWN button on the remote control
until the tint step No. becomes "55".
Fig. 2-4
"A"
