NEC MultiSync FP1370 Service Manual page 62

9-3. Dynamic Convergence Adjustment
1) Adjustment function
There are 165 blocks (ROW: 1-11,COLUMN: 1-15) on the picture where you can adjust dynamic
convergence individually.
ROW (1-11)
COLUMN (1 -15) : Adjusting cross can be selected (Left to right).
4H
4V
(2,1)
(2.2)
(11,1)
2) Menu (S), TAG B 4V Adjustment
Receive Signal 33 Red and Blue (Cross Hatch Pattern).
Adjust convergence at every COLUMN / ROW by 4V to get the spec.
3) Menu (S), TAG B 4H Adjustment
Adjust convergence at every COLUMN / ROW by 4H to get the spec.
4) Menu (S), TAG B 6H Adjustment
Receive Signal 33 White (Cross Hatch Pattern).
Adjust convergence at every COLUMN / ROW by 6H to get the spec.
5) Make sure the misconvergence at every COLUMN / ROW is within spec.
Specification : x ≦ 0.25mm , y ≦ 0.25mm
: Adjusting cross can be selected (Top to bottom).
: R-B (X) convergence can be adjusted.
: R-B (Y) convergence can be adjusted.
(1,1) (1.2) (1,3)
(ROW, COLUMN)
Fig 10-1 Convergence Adjustment Points
+ -
B G B
4H
Fig 10-2 Convergence Adjustment Items
B -
G
B +
4V
5-33
(1,15)
(11,15)