Inspection Of Input Signal Discrimination - NEC MultiSync LCD1920NX User And Service Manual

1.5.3 Inspection of input signal discrimination

Purpose of this inspection: Intended to confirm that a normal display is presented for any signal input.
1) According to the table specified below, setting of input port/signal is performed and a signal input is
entered.
Mode No.
0
2
3
4
5
6
7
8
9
10
11
12
13
16
17
18
2) When a screen display is presented, visually confirm that there is no abnormality in the display.
(There shall be no extreme displacement in position, size, and phase. The screen shall be free from
flickering. / There shall be no extreme error in the chromaticity.)
3) Check the OSD for the signals. Secure an OSD display and indicate the information screen by pressing
MENU, +up and –down buttons. Adjust the cursor to MISC with the +up and –down buttons, the
pressing MENU button to enter sub-menu of MISC. Adjust the cursor again to INFORMATION with the
+up and –down buttons, display the [INFORMATION] screen by pressing the MENU key. Confirm that
the displayed definition matches with the input signal.
4) According to the table below, enter a signal input of SYNC on GREEN and confirm that a normal
screen is displayed.
Mode No.
6
11
16
At this stage, inspection of input signal discrimination has been finished.
Unless otherwise specified, the display pattern shall conform to the initial screen
as defined in 1.2.7, "Inspection mode setting."
--- Inspection of signal inputs ---
Inspection signal No.
1
4
6
8
9
7
11
12
14
13
16
17
19
20
23
28
--- Inspection of SYNC on GREEN inputs ---
Inspection signal No.
7
16
20
SYNC
SYNC on GREEN
SYNC on GREEN
SYNC on GREEN
5-15