D2-2
ELECTRICAL ADJUSTMENTS
2-7: VERTICAL SIZE
NOTE: Adjust after performing adjustments in section 2-6.
1.
2.
3.
4.
5.
6.
Receive the cross hatch 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 (3) on the remote control.
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 LINEARITY
NOTE: Adjust after performing adjustments in section 2-7.
1.
2.
3.
4.
5.
Receive the cross hatch 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 (5) on the remote control.
Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN on
upside and downside becomes minimum.
2-9: VERTICAL POSITION
NOTE: Adjust after performing adjustments in section 2-8.
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.
2-10: FOCUS
1.
2.
3.
Receive a broadcast.
Turn the Focus Volume fully counterclockwise once.
Adjust the Focus Volume until picture is distinct.
2-11: 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.
(TV SECTION)
2-4: CONSTANT VOLTAGE
1.
2.
3.
Connect the digital voltmeter to TP401.
Set condition is AV MODE without signal.
Adjust the VR502 until the DC voltage is 135
±
0.5V.
2-5: OSD HORIZONTAL
1.
2.
3.
4.
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 (4) on the remote control.
Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-3)
[ TV ]
OSD H
A
B
Fig. 2-3
2-6: HORIZONTAL PHASE
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 (1) on the remote control.
Press the VOL. UP/DOWN button on the remote
control until the right and left screen size of the vertical
line becomes the same.
1. H. PHASE
2. H. BLK
3. V. SIZE
4. V. POSI
5. V. LIN
6. V. SC
7. V. COMP
8. (H FREQ) 0. RETURN
Fig. 2-4
"The adjustment item 8 is not used for this model."
