Roadstar TLV1085, Руководство по обслуживанию

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ELECTRICAL ADJUSTMENTS
D2-3
2-11: VERTICAL LINEALITY
NOTE: Adjust after performing adjustments in section 2-10.
1.
2.
3.
4.
5.
6.
7.
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 to
select "H/V". The Fig. 2-4 appears on the display.
Press the channel button (5) on the remote control to
select "V. LIN 50/60".
Press the PLAY or STOP button on the remote control
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes minimum.
Receive the cross hatch signal of NTSC. (Audio Video
Input)
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustments 2~5.
2-12: VERTICAL POSITION
NOTE: Adjust after performing adjustments in section 2-11.
1.
2.
3.
4.
5.
6.
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 to
select "H/V". The Fig. 2-4 appears on the display.
Press the channel button (4) on the remote control to
select "V. POSI 50/60".
Press the PLAY or STOP button on the remote control
until the horizontal line becomes fit to the notch of the
shadow mask.
Adjust the VR402 unit the CENTER LINE "A"
2-13: 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 to
select "OTHERS". The Fig. 2-2 appears on the display.
Press the channel button (4) on the remote control to
select "OSD H".
Press the PLAY or STOP button on the remote control
until the difference of A and B becomes minimum.
(Refer to Fig. 2-5)
[ TV ]
OSD H
A B
Fig. 2-5
2-14: SUB BRIGHTNESS
1.
2.
3.
4.
5.
6.
7.
Receive the monoscope pattern. (RF Input)
Using the remote control, set the brightness to minimum
position and contrast to maximum position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-6 appears on the
display.
Press the channel button (1) on the remote control to
select "BRIGHT".
Press the PLAY or STOP button on the remote control
until the white 25% is starting to be visible.
Receive the monoscope pattern. (Audio Video Input)
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustments 2~5.
1. BRIGHT
2. CONTRAST
3. COLOR
4. TINT
5. SHARPNESS
6. OSD CONT
7.
8. 0. RETURN
Fig. 2-6
2-15: 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
and color to normal position.
Connect the synchro scope to TP801.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-6 appears on the
display.
Press the channel button (3) on the remote control to
select "COLOR".
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 PLAY or STOP button on the remote control
until the red color level is adjusted to 95% of the white
level. (Refer to Fig. 2-7)
Receive the color bar pattern. (Audio Video Input)
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustments 2~7.
White 0%
0%
Red Level
White 100%
Fig. 2-7
95%