TDA9341PS 데이터 시트보기 (PDF) - NXP Semiconductors.

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TDA9341PS

Eeprom TDA9341 / DIP 64PIN

NXP Semiconductors. 

ADJUSTMENTS

1. Set-up Adjustments

The following adjustments should be made when a complete realignment is required

or a new picture tube is installed.

Perform the adjustments in the following order:

1. Color purity

2. Convergence

3. White balance

Notes:

The purity/convergence magnet assembly and rubber wedges need

mechanical positioning.

For some picture tubes,purity/convergence adjustments are not required.

1). Color Purity Adjustment

Preparation:

Before starting this adjustment,adjust the vertical sync,horizontal sync,vertical

amplitude and focus.

1.1 Face the TV set north or south.

1.2 Connect the power plug into the wall outlet and turn on the main power switch of

the TV set.

1.3 Operate the TV for at least 15 minutes.

1.4 Degauss the TV set using a specific degaussing coil.

1.5 Set the brightness and contrast to maximum.

1.6 Counter clockwise rotate the R/B low brightness potentiometers to the end and

rotate the green low brightness potentiometer to center.

1.7 Receive green raster pattern signals.

1.8 Loosen the clamp screw holding the deflection yoke assembly and slide it

forward or backward to display a vertical green zone on the screen.Rotate and

spread the tabs of the purity magnet around the neck of the CRT until the green

zone is located vertically at the center of the screen.

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