NEC MultiSync 4FGe Service Manual page 22

(10) Screen Position,Size,Side
(10-l) Screen position and size
* Independent adjustments of each signal
(a) For signals 1 to 9(except signal 6), check that the screen
position and size fall within the following limits.
Screen Size Horizontal: 26Omm±2mm
Screen Position
If the screen position and/or size dose not fall within the above
Iimits,carry out the following readjustment procedure.
Receive a crosshatch pattern(with border) of the signal in
question.
Short SW41 and SW42 on adjustment jig.(TP-A @,@ and 0)
Adjust the screen position and size to within the limits listed
above using the user control switches(SWlOl-108).
Push MEMORY RECALL SWITCH(SW109)
If more than one signal requires readjustment, repeat steps (b)
through (e).
Release the short.
(10-2) Side Pincushion
* Repeat the following procedure for each of the 4 signa
(a) Receive a crosshatch pattern.
(b) Check to if th e side pincushion distortion is within
If readjustment is necessary,carry
procedure starting with step (c).
If no readjustment is required, check the next signa
(c) Short SW41 on adjustment j ig.(TP-A @ and 0)
(d) Switch level 2 and check that the user level LED lights.
(e) Adjust V SIZE DOWN(SW106) and V POS DOWN(SW108) so that the
vertical lines on both sides of the screen image are straight.
(f) Return to level 1.
(g) Release the short.
Pincushion,Digital
Vertical : 195mm±2mm
Space between bezel picture edge
Top and bottom space difference : ± 2 m m
Right and left space difference : ±2mm
for at least 2 seconds.
21
control
Signal 1,2,3,4,5,6,7,8,9
Signal 1,6,7,9
I S.
± 1 .
adjustment
out the following
0mm.