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ELECTRICAL ADJUSTMENTS
110%
0%
100%
Fig. 2-2
2-9: 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
2-10: VIF VCO
1.
2.
3.
4.
5.
Place the set with Aging Test for more than 10 minutes.
Receive an 80dB monoscope pattern.
Connect the digital voltmeter between the pin 5 of
CP601 and the GND.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (03) on the remote control to
select "VIF VCO".
Press the VOL. UP/DOWN button on the remote control
until the digital voltmeter is 2.5V.
Activate the adjustment mode display of Fig. 1-1
press the channel button (14) on the remote control to
select "CONTRAST".
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "110".
Press the TV/VIDEO button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~3.
1.
2.
3.
2-11: SUB CONTRAST NORMAL
2-6: HORIZONTAL PHASE
1.
2.
3.
Receive the center cross signal from the Pattern
Generator.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (05) 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.
2-7: VERTICAL SIZE
NOTE: Adjust after performing adjustments in section 2-6
1.
2.
3.
4.
Receive the crosshatch signal from the Pattern
Generator.
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 rectangle on the center of the screen becomes
square.
Receive a broadcast and check if the picture is normal.
2-8: VERTICAL SHIFT
1.
2.
3.
Receive the crosshatch signal from the Pattern
Generator.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (07) on the remote control to
select "V SHIFT".
Press the VOL. UP/DOWN button on the remote
control until the horizontal line becomes fit to the notch
of the shadow mask.
NOTE: Adjust after performing adjustments in section 2-7
2-12: BRIGHTNESS
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (13) on the remote control to
select "BRIGHTNESS".
Press the VOL. UP/DOWN button on the remote control
until the brightness step No. becomes "96".
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
1~2.
Press the TV/VIDEO button on the remote control to set
to the CS mode. Then perform the above adjustments
1~2.
1.
2.
3.
4.
Fig. 2-1
"A"