Samsung GX-20 Service Manual page 137

The example above shows that the peak value of Tv4000 has a difference +1.5mm to the right
compared to the peak value of Tv500 (standard).
Select a histogram zone (A to D) corresponding to the peak position of Tv4000 from the following
✁
figure. (The example above corresponds to type B.)
- This Document can not be used without Samsung's authorization -
. ADJUSTMENT
137