Durabrand DTV1307 Service Manual page 16

White 100%
2-5: HORIZONTAL PHASE
1.
Receive the monoscope pattern.
2. Using the adjustment control, set the brightness and
contrast to normal position.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (05) on the remote control to
select "H.PHAS".
4. Press the VOL.UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN on
right and left becomes minimum.
2-6: VERTICAL SIZE
NOTE: Adjust after performing adjustments in section 2-5
1. Receive the crosshatch signal from the Pattern
Generator.
2. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select "V.SIZE".
3. Press the VOL.UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes 10 ± 2%.
4. Receive a broadcast and check if the picture is normal.
2-7: VERTICAL SHIFT
NOTE: Adjust after performing adjustments in section 2-6
1.
Receive the crosshatch signal from the Pattern
Generator.
2.
Activate the adjustment mode display of Fig. 1-1
and press the channel button (07) on the remote
control to select "V.SFT".
3.
Press the VOL.UP/DOWN button on the remote
control until the horizontal line becomes fit to the
notch of the shadow mask.
ELECTRICAL ADJUSTMENTS
"A"
Fig. 2-1
Red 110%
Fig. 2-2
2-8: 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)
A
2-9: SUB BRIGHTNESS
1.
Receive an 70dB monoscope pattern.
2.
Using the adjustment control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (13) on the remote control to
select "BRI.CENT".
4.
Press the VOL.UP/DOWN button on the remote control
until the white 10% is starting to be visible.
5.
Press the TV/AV button on the remote to set to the
AV mode. Then perform the above adjustment 2~4.
2-10: SUB CONTRAST
1. Receive an 70dB the color bar pattern.
2. Activate the adjustment mode display of Fig. 1-1
press the channel button (17) on the remote control
to select "CONT.MAX".
3. Press the VOL.UP/DOWN button on the remote control
until the contrast step No. becomes "100".
4. Press the TV/AV button on the remote to set to the
AV mode.
5. Activate the adjustment mode display of Fig. 1-1
press the channel button (17) on the remote control
to select "CONT.MAX".
6. Press the VOL.UP/DOWN button on the remote control
until the contrast step No. becomes "100".
2-11: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO. FUNCTION
04 H VCO
14 BRI.MAX
15 BRI.MIN
16 CONT.CENT
18 CONT.MIN
20 COL.MAX
21 COL.MIN
23 SHAR.CENT
24 SHAR.MAX
25 SHAR.MIN
26 CB DL
27 CR DL
28 CB PED
29 CR PED
D-2
TV
00 OSD H 12
B
AV DIGITAL
RF
04 04 04
150 150
150
30 30
30
55 55
55
40 40
40
75 75 75
00 00
00
40 40 40
60 60
60
10 10
10
03 03 03
03 03
03
15 15 15
15 15
15
Fig. 2-3