ELECTRICAL ADJUSTMENTS
2-8: FOCUS
1.
2.
3.
Receive an 70dB monoscope pattern.
Turn the Focus Volume fully counterclockwise once.
Adjust the Focus Volume until picture is distinct.
2-9: VERTICAL POSITION
1.
2.
3.
4.
5.
Receive the monoscope pattern.
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (1) on the remote control to
select "H/V". The Fig. 2-6 appears on the display.
Press the channel button (4) on the remote control to
select "V.POSI".
Press the VOL. UP/DOWN button on the remote
control until the horizontal line of the color bar comes to
approximate center of the CRT.
Perform the adjustment of step 5 to step 12.
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. 2-6
D1-2
2-5: SUB TINT/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 TP023.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-4 appears on the display.
Press the channel button (3) on the remote control to
select "COLOR".
Adjust the LEVEL "B" section of Blue to the LEVEL "E"
section of White by pressing the VOL. UP/DOWN button
on the remote control. (Refer to Fig. 2-5)
If the LEVEL "B" section through "D" section are not the
same compared with "E" section, adjust the LEVEL again.
Press 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.
Fig. 2-5
2-6: VCO FREERUN
1.
2.
3.
Receive an 80dB monoscope pattern.
Connect the digital voltmeter to TP201.
Adjust the L205 until the digital voltmeter is 3.1 ± 0.05V
2-7: SUB CONTRAST
1.
2.
3.
4.
5.
6.
Receive the monoscope pattern. (RF Input)
Activate the adjustment mode display of Fig. 2-1 and press
the channel button (4) on the remote control to select
"PICTURE". The Fig. 2-4 appears on the display.
Press the channel button (2) on the remote control to
select "CONTRAST".
Check if the step No. of contrast is "70".
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 2~4.
Fig. 2-4
1. BRIGHT
2. CONTRAST
3. COLOR
4. TINT
5. SHARPNESS
6. OSD CONT
7.
8. 0. RETURN
"E" "D" "C" "B"
A
2-10: VERTICAL LINEALITY
1.
2.
3.
4.
5.
6.
Receive the crosshatch signal from the Pattern Generator.
Using the remote control, set the brightness and contrast to
al position.
Activate the adjustment mode display of Fig. 2-1 and press
the channel button (1) on the remote control to select "H/V".
The Fig. 2-6 appears on the display.
Press the channel button (5) on the remote control to
select "V. LIN".
Check if the step N0. V.LIN is "17".
Press the VOL. UP/DOWN button on the remote control until
the right and left screen size of the vertical line becomes the
same.
NOTE: Adjust after performing adjustments in section 2-9.