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The picture on this set is stretched at the top of
the screen. Also, a gap has appeared at the bottom of the screen
which varies in depth to a maximum of 2in. Adjusting the height control to
correct this latter fault only worsens the stretching. -R. Allen (Hayes, Midlesex).
Check the frame output PCL82 (V13) and its 390R bias resistor and 100µF bias electrolytic. This valve is next to the PY32 on the lower deck and the two other components (R124 and C96) are behind these two valves.

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