Memorex MT2206 Series A, Руководство по обслуживанию

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D-2
ELECTRICAL ADJUSTMENTS
2-6: SUB TINT/SUB COLOR
1.
2.
3.
4.
5.
6.
7.
8.
9.
Receive the color bar pattern.
Connect the oscilloscope to TP024.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) 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. 2-1)
Connect the oscilloscope to TP022.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (19) on the remote control to
select "COL.CENT".
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110% of the white
level. (Refer to Fig. 2-2)
Receive the color bar pattern. (Audio Video Input)
Press the TV/AV button on the remote control to set to
the AV mode. Then perform the above adjustments 2~7
Fig. 2-1
White 100%
Red 110%
Fig. 2-2
"A"
2-7: HORIZONTAL PHASE
1.
2.
3.
4.
Receive the monoscope pattern.
Using the adjustment control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (05) on the remote control to
select "H.PHAS".
Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN
on right and left becomes minimum.
2-9: VERTICAL SHIFT
1.
2.
3.
Receive the monoscope pattern.
Using the remote control, set the brightness and
contrast to normal position.
Press the VOL. UP/DOWN button on the remote
control until the horizontal line becomes fit to the notch
of the shadow mask.
2-10: 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
2-8: VERTICAL SIZE
1.
2.
3.
4.
5.
Receive the monoscope pattern.
Using the adjustment control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select "V.SIZE".
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%.
Receive a broadcast and check if the picture is normal.
NOTE: Adjust after performing adjustments in section 2-8.
1.
2.
3.
4.
5.
2-11: CONSTANT VOLTAGE
Place the set with Aging Test for more than 15 minutes.
Connect the digital voltmeter to the TP402.
Set condition is AV MODE without signal.
Using the remote control, set the brightness and
contrast to normal position.
Adjust the VR502 until the digital voltmeter is 128 ± 1V.