Thank you for providing quickly a manual so old! very good job clear and understandable!
Text excerpt from page 10 (click to view)
21HS-50C
� Geometry adjustment procedure
To adjust the geometry, follow the procedure outlined below: 1. Tune the set into a Philips test pattern. 2. Enter the service mode as described on page 6. 3. Use the channel up or channel down buttons to enter the desired mode 4. Use the volume buttons to achieve correct setting. 5. When adjustments are complete, use the stand-by button to turn off the set. The adjustment values will be stored at this point.
V-LIN Adjust the vertical linearity control so that the picture centring is as shown in figure 5.
Fig. 5 V-AMP Adjust the vertical amplitude control so that the picture overscans as shown in figure 6.
Fig. 6 V-CENT Adjust the vertical centring control so that the picture is centred as shown in figure 7.
Fig. 7 H-CENT Adjust the horizontal centring control so that the picture is centred as shown in figure 8.
