Electrical Focus Adjustment - Panasonic TX-43P250 Service Manual

7.2 Electrical Focus Adjustment

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1. Receive a monoscope pattern.
2. Cover the Red and Blue CRT, projecting Green only.
The electrical focus controls are located on the front. Adjust the Green Focus VR for best
focus of overall picture. (Fig. 2)
3. Repeat for Red focus VR while projecting Red only.
4. Repeat for Blue. (Best focus at bottom left corner of screen)
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