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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: WS-55859 / WS-55909 / WS-65869 / WS-65909 / WS-73909
To improve edge focus.
Poor focus at the edges of the screen.
[Focus Circuit]
13. 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.
CONVERGENCE MODE
Activate ..MENU-0-1-5-9
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)
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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]
14. Lens Focus
To set the Lens position for optimum focus.
DF
(MENU-0-1-5-9-5)
Item Abbr. Data
0
DFH
-300
1
DFV
-100
CONV MISC
(MENU-0-1-5-9-6)
Item Abbr. Data
9
DPHS
0
10
DOFS
63
Summary of Contents for WS-55859
Page 2: ......
Page 61: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 61 STANDBY SUPPLIES REGULATOR ...
Page 62: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 62 SWITCHED SUPPLIES REGULATOR ...
Page 63: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 63 DM POWER SUPPLY ...
Page 64: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 64 VIDEO COLOR A V SWITCH CIRCUIT ...
Page 65: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 65 PCB SIGNAL Y C PATH ...
Page 66: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 66 SYNC PATH ...
Page 67: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 67 DEFLECTION CIRCUIT X RAY PROTECT ...
Page 68: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 68 SOUND CIRCUIT ...
Page 69: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 69 CONVERGENCE CIRCUIT ...
Page 70: ...MODELS WS 55859 WS 55909 WS 65869 WS 65909 WS 73909 Page 70 CONTROL CIRCUIT ...
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