Dynamic Convergence Adjustment - Omnivision PVQ-130W Service Manual

Specification:
Refer to descriptions below.
Input:
Video Input Jack, Crosshatch Pattern Signal
Mode:
STOP
Equipment:
NTSC Video Pattern Generator
1. Supply a Crosshatch Pattern Signal to the Video Input Jack.
2. Turn the Pair of 4 - Pole Convergence Magnet Rings so that B and R, at center of
CRT, overlap each other.
3. Turn the Pair of 6 - Pole Convergence Magnet Rings so that B and R, that
overlapped each other in step 2 overlaps G.

7.3.11. DYNAMIC CONVERGENCE ADJUSTMENT

Purpose:
To set the uniform convergence over the whole screen.
Symptom Misadjustment:
The convergence on the screen will vary at the sides of the CRT.
Test Point:
----------
Adjustment:
Deflection Yoke (CRT Unit)
Specification:
Refer to descriptions below.
Input:
Video Input Jack, Crosshatch Pattern Signal,
White Pattern Signal
Mode:
STOP
Equipment:
NTSC Video Pattern Generator,
White Pattern Generator
1. Supply a Crosshatch Pattern Signal to the Video Input Jack.
2. Hold the Deflection Yoke and wiggle it up and down to produce the correct
Crosshatch Pattern position.
Fig. E8-1
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