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Page 34
Purpose:
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
Purpose
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
MODELS: VS-A50 / WS-A48 / WS-A55 / WS-A65
To improve edge focus.
Poor focus at the edges of the screen.
[Focus Circuit]
9. Dynamic Focus Preset
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Monoscope
Video Input
1. Supply a Monoscope signal to a Video Input
2. Activate the Convergence Mode.
3. Select the DF Function under the Conv. Coarse Mode.
4. Set Items “0 DFH” and “1 DFV” to the data values given in the DF Table.
5. Press “6” to activate CONV-MISC
6. Set “0 FPHS” and “1 DPHS” to data values given in the CONV-MISC Table.
5. Exit the Conv. Mode.
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Monoscope
Video Input
Poor focus
Note:
This adjustment must be done before Electrostatic Focus. Perform this
adjustment for RED, GREEN, and BLUE monochrome pictures.
1. Supply a VIDEO signal (Monoscope).
2. Cover the Red and Blue Lens (producing a green raster).
3. Adjust the Green Lens for best focus at the center of the Monoscope pattern.
Note:
Attach a white paper to the
screen center. During adjustment,
observe the picture on the screen
from inside for easier adjustment.
4. Repeat Steps 2 and 3 for the Red
and Blue monochrome pictures.
[Video Circuit]
10. Lens Focus
To set the Lens position for optimum focus.
CONVERGENCE MODE
Activate ……..MENU-2-2-5-9
Misc. ……………….……"6"
Coarse………………..…."5"
Fine ……………………..."4"
Color (R,G or B)……AUDIO
Item No………….…..VIDEO
Adjust/Move……….ADJUST
Cursor Toggle….…..ENTER
Save & Exit…..MENU (twice)
DF
(MENU-2-2-5-9-5)
Item
Abbr.
48/55/65/73 Inch
50/60 Inch
0
DFH
-220
-220
1
DFV
-100
-140
CONV MISC
(MENU-2-2-5-9-6)
Item
Abbr.
All Models
9
DPHS
1
10
DOFS
34
Summary of Contents for VS-A50
Page 2: ......
Page 58: ...Page 58 MODELS VS A50 WS A48 WS A55 WS A65 POWER SUPPLY ...
Page 59: ...Page 59 MODELS VS A50 WS A48 WS A55 WS A65 VIDEO COLOR PATH ...
Page 60: ...Page 60 MODELS VS A50 WS A48 WS A55 WS A65 SYNC PATH ...
Page 61: ...Page 61 MODELS VS A50 WS A48 WS A55 WS A65 DEFLECTION HV CIRCUIT ...
Page 62: ...Page 62 MODELS VS A50 WS A48 WS A55 WS A65 X RAY PROTECT ...
Page 63: ...Page 63 MODELS VS A50 WS A48 WS A55 WS A65 HV REGULATION ...
Page 64: ...Page 64 MODELS VS A50 WS A48 WS A55 WS A65 SOUND PATH ...
Page 65: ...Page 65 MODELS VS A50 WS A48 WS A55 WS A65 CONVERGENCE CIRCUIT ...
Page 66: ...Page 66 MODELS VS A50 WS A48 WS A55 WS A65 CONTROL CIRCUIT ...