7.3.11. PURITY ADJUSTMENT
Purpose:
To set the uniform white over the whole screen.
Symptom of Misadjustment:
The white screen will vary from area to area.
Test Point :
----------
Adjustment :
Pair of 4-Pole Convergence Magnet Rings,
Pair of 6-Pole Convergence Magnet Rings,
Pair of Purity Magnet Rings,
Deflection Yoke (CRT Unit),
G CUT -OFF (EVR)
Specification :
Refer to descriptions below.
INPUT :
Video Input Jack,
Crosshatch Pattern Signal,
White Pattern Signal
Mode :
STOP
Equipment :
Degaussing Coil,
NTSC Video Pattern Generator,
White Pattern Generator
1. Remove the wedges from the CRT.
2. Slide the Deflection Yoke forward to the end of the CRT neck.
(For model with 13 inch CRT)
Set the Convergence Yoke as specified.
73
Содержание OmniVision PV-Q1311
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