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MODELS: WT-46809 / WS-55809 / WS-55819 / WS-65809 / WS-65819
[Video Circuit]
5. Side by Side Sub Picture Tint
Measuring
-----
Instrument
-----
Test Point
------
Ext. Trigger
------
Measuring
Range
Input Signal
NTSC
Input Terminal
RF or Video
[Video Circuit]
6. Side by Side Sub Color
Measuring
Oscilloscope
Instrument
EB connector pin 5
Test Point
------
Ext. Trigger
200mV/div
Measuring
Range
20usec/div
Input Signal
Color Bars
Input Terminal
Video Input
Purpose:
To match the sub picture color to that of the main picture.
Symptom:
Main and sub pictures colors differ.
1. Supply an NTSC signal.
2. Select the NTSC signal as the source for both the main and sub pictures.
3. Activate Side by Side POP
3. Activate the Adjustment mode.
4. Select Item "1 TNTS" in the Sub Matrix Function.
5. Adjust data to match the sub picture color to that of the main picture.
(If "1 TNTS" range is short, adjust Items "4 VPDS" and "5 UPDS")
Activate ........ MENU-0-1-5-7
Function .................AUDIO
Item No. .................VIDEO
Adjust Data ...........ADJUST
Save Data .... .........ENTER
Exit ..............MENU (twice)
To set the sub picture color level.
Purpose
Symptom:
Main and sub pictures color levels differs.
Note: Let the set run for at least one minute before making this adjustment.
1. Supply a color bar signal.
2. Select the color bar signal as the source for both the main and sub picture.
3. Connect an oscilloscope to pin 5 of the EB connector.
4. Activate the Side by Side mode.
5. Activate the Service Mode
6. Select Item "2 COLS" in the Sub Matrix function.
7. Adjust data so the amplitude of the Sub signal equals that of the main signal.
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CIRCUIT ADJUST MODE
CIRCUIT ADJUST MODE
Activate ........ MENU-0-1-5-7
Function .................AUDIO
Item No. .................VIDEO
Adjust Data ...........ADJUST
Save Data .... .........ENTER
Exit ..............MENU (twice)
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