D2-3
ELECTRICAL ADJUSTMENTS
2-12: VERTICAL POSITION
NOTE: Adjust after performing adjustments in section 2-11.
1.
2.
3.
4.
5.
Receive the center cross signal from the Pattern
Generator.
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (1) on the remote control.
The Fig. 2-4 appears on the display.
Press the channel button (4) on the remote control.
Press the VOL. UP/DOWN button on the remote
control until the horizontal line becomes fit to the notch
of the shadow mask.
2-13: FOCUS
1.
2.
3.
Receive a broadcast.
Turn the Focus Volume fully counterclockwise once.
Adjust the Focus Volume until picture is distinct.
2-14: CUT OFF
1.
2.
3.
4.
5.
6.
Place the set with Aging Test for more than 15 minutes.
Set condition is AV MODE without signal.
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (5) on the remote control.
The Fig. 2-2 appears on the display.
Press the channel button (5) on the remote control.
Adjust the Screen Volume until a dim raster is obtained.
2-15: SUB BRIGHTNESS
1.
2.
3.
4.
5.
6.
7.
Receive the black pattern*. (RF Input)
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-6 appears on the display.
Press the channel button (1) on the remote control.
Press the VOL. UP/DOWN button on the remote
control until the screen begin to shine.
Receive the black pattern*. (Audio Video Input)
Press the TV/VCR button on the remote control to set
to the AV mode. Then perform the above adjustments
2~5.
*The Black Pattern means the whole black raster signal.
Select the "RASTER" of the pattern generator, set to
the OFF position for each R, G and B.
1. BRIGHT
2. CONTRAST
3. COLOR
4. TINT
5. SHARPNESS
6. OSD CONT
7.
8. 0. RETURN
Fig. 2-6
2-16: SUB COLOR
1.
2.
3.
4.
5.
6.
7.
8.
9.
Receive the color bar pattern. (RF Input)
Using the remote control, set the brightness, contrast,
color and tint to normal position.
Connect the synchro scope to TP804.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-6 appears on the display.
Press the channel button (3) on the remote control.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
Press the VOL. UP/DOWN button on the remote
control until the red color level is adjusted to 100
±
5%
of the white level. (Refer to Fig. 2-7)
Receive the color bar pattern. (Audio Video Input)
Press the TV/VCR button on the remote control to set
to the AV mode. Then perform the above adjustments
2~7.
White 0%
0%
100%
Red Level
White 100%
Fig. 2-7
2-17: SUB TINT
1.
2.
3.
4.
5.
6.
7.
8.
Receive the color bar pattern. (RF Input)
Using the remote control, set the brightness, contrast,
color and tint to normal position.
Connect the synchro scope to TP806.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-6 appears on the display.
Press the channel button (4) on the remote control.
Press the VOL. UP/DOWN button on the remote
control until the section "A" becomes a straight line.
(Refer to Fig. 2-8)
Receive the color bar pattern. (Audio Video Input)
Press the TV/VCR button on the remote control to set
to the AV mode. Then perform the above adjustments
2~6.
"A"
Fig. 2-8
