ELECTRICAL ADJUSTMENTS
2-6: VERTICAL SHIFT2-10: BRIGHTNESS
1.Receive the monoscope pattern.1.Activate the adjustment mode display of Fig. 1-1 and
2.Using the remote control, set the brightness and contrastpress the channel button (13) on the remote control to
to normal position.select "BRI CENT".
3.Check if the step No. of V. SHIFT is "02".2.Press the VOL. UP/DOWN button on the remote
4.Adjust the VR401 until the horizontal line becomes fit tocontrol until the brightness step No. becomes O130�.
the notch of the shadow mask.3.Receive a broadcast and check if the picture is normal.
4.Press the TV/VIDEO button on the remote control to set
2-7: VERTICAL SIZEto the AV mode. Then perform the above adjustments
1.Receive the monoscope pattern.1~3.
2.Using the remote control, set the brightness and contrast
2-11: SUB CONTRAST
to normal position.
3.Activate the adjustment mode display of Fig. 1-1 and1.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control topress the channel button (17) on the remote control to
select OV. SIZE�.select OCONT. MAX�.
4.Press the VOL. UP/DOWN button on the remote control2.Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside anduntil the contrast step No. becomes O80�.
downside becomes 10 ? 2%.3.Receive a broadcast and check if the picture is normal.
4.Press the TV/VIDEO button on the remote control to set
2-8: VERTICAL LINEARITYto the AV mode. Then perform the above adjustments
NOTE: Adjust after performing adjustments in section 2-7.1~3.
After the adjustment of Vertical Linearity, reconfirm2-12: SUB TINT/SUB COLOR
the Vertical Shift and Vertical Size adjustments.
1. Receive the monoscope pattern.1.Receive the color bar pattern.
2.Connect the oscilloscope to TP024.
2. Using the remote control, set the brightness and contrast3.Activate the adjustment mode display of Fig. 1-1 and
to normal position.press the channel button (22) on the remote control to
3. Adjust the VR402 until the SHIFT quantity of the OVERselect "TINT".
SCAN on upside and downside becomes minimum.
4.Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line2-9: OSD HORIZONTAL
(Refer to Fig. 2-2)
1. Activate the adjustment mode display of Fig. 1-1.5.Connect the oscilloscope to TP022.
2. Press the VOL. UP/DOWN button on the remote control6.Activate the adjustment mode display of Fig. 1-1 and
until the difference of A and B becomes minimum.press the channel button (19) on the remote control to
(Refer to Fig. 2-1)select "COL.CENT".
7.Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
TV0% is set to 4 scales
8.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. 2-3)
9.Receive the color bar pattern. (Audio Video Input)
10.Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments00 OSD 17
2~8.
AB
Fig. 2-1
D-2 |
ACEC
