Memorex MT1197 Service Manual page 13

Hide thumbs Also See for MT1197:
Table of Contents

Advertisement

2-6: HORIZONTAL PHASE
1.
Receive the center cross signal from the Pattern
Generator.
2.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (05) on the remote control to
select "H.PHAS".
3.
Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN on
right and left becomes minimum.
2-7: VERTICAL SIZE
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 rectangle on the center of the screen becomes
square.
4.
Receive a broadcast and check if the picture is normal.
2-8: VERTICAL SHIFT
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
0%
120%
100%
Fig. 2-2
2-9: 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
2-10: VIF VCO
1.
Place the set with Aging Test for more than 10 minutes.
2.
Receive an 80dB monoscope pattern.
3.
Connect the digital voltmeter between the pin 5 of
CP601 and the GND .
Activate the adjustment mode display of Fig. 1-1 and
4.
press the channel button (03) on the remote control to
select "V.VCO".
5.
Press the VOL. UP/DOWN button on the remote control
until the digital voltmeter is 2.5V.
2-11: SUB BRIGHTNESS
1.
Receive an 70dB monoscope pattern.
2.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (13) on the remote control to
select "BRI.CENT".
3.
Press the VOL. UP/DOWN button on the remote control
until the screen begin to shine.
4.
Press the TV/AV button on the remote to set to the
AV mode. Then perform the above adjustment 2, 3.
2-12: SUB CONTRAST MANUAL
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. become "66".
4.
Press the TV/AV button on the remote to set to the
AV mode. Then perform the above adjustment 2.
5.
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. become "66".
D-2
TV
00 OSD
15
B
Fig. 2-3

Advertisement

Table of Contents
loading

Table of Contents