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MODELS: WS-55859 / WS-55909 / WS-65869 / WS-65909 / WS-73909
Purpose:
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
-----
------
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NTSC -- None
HD -- HD sync
Video & DTV Inputs
To set the Convergence circuit geometry adjustments.
Raster distortion at the top, bottom or sides of the picture.
Note:
Deflection Circuit Geometry must be performed before this adjustment.
NTSC mode
1. Select a Video Input with no signal.
2. Activate the Convergence Mode, Coarse Green.
3. Adjust the Coarse Green Items shown below for straight crosshatch lines.
4. Select the Fine Green Mode, a Cursor is displayed on the crosshatch.
5. Use the Cursor to adjust for straight crosshatch lines.
6. Exit the Convergence Mode.
HD mode
1. Supply horizontal and vertical HD sync to the DTV Inputs and select the DTV
Inputs as the source.
Note:
I
f an HD signal is not available, select Ant-DTV, with no signal, as the
source.
2. Enter the Convergence Mode, Coarse Green.
3. Repeat NTSC Steps 3 through 6 in the HD mode.
[Convergence Circuit]
19. Convergence Geometry
Adjustment
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)
Summary of Contents for WS-55859
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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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