Confirming The Color Tracking; Crt Installation Position; Confirming Fpm Operation; Confirming Auto Adjust Operation - NEC FP1355 Service Manual

2.5.1.18

Confirming the color tracking

Status
Confirming
indicator
color tracking
Confirm with the timing No. 12 (106.25kHz/85Hz, 1600 x 1200).
Measure the color coordination at the center of the picture using a full white pattern (input
amplitude = 0.7Vp-p).
Confirm that the color coordination change is within the ±0.015 range when the CONTRAST is
set to 25cd/m 2 with the OSD.
2.5.1.19

CRT installation position

CRT installation position tolerance
2.5.1.20

Confirming FPM operation

Confirm with the timing No. 12 (106.25kHz/85Hz, 1600 x 1200) and COLOR 1.
Confirm that the relation of the window luminance with the back raster luminance in each mode
is as follows.
Window luminance
Back raster luminance
* Confirm that the color is not saturated when Graphic mode.
2.5.1.21

Confirming AUTO ADJUST operation

(Timing No.6 (VESA 800 X 600))
(1) Select AUTO ADJUST fuction with OSD in user mode, and press PROCEED button.
(2) Confirm that AUTO ADJUST function operates and the crosshatch frame should be within
phosphor area.
2.5.1.22

Others

(1) When the PUSH button is pressed, the changes must be smooth, and there must be no
abnormalities such as noise.
(2) Synchronization must not flow when the power switch is turned ON and OFF.
(3) Confirm that the POWER LED is lit.
2.5.1.23

Confirming USB

Confirming USB hub
(1) Connect upstream connector to PC with USB cable.
(2) Connect USB device to downstream connector 1, and confirm the operation.
(3) Connect USB device to downstream connector 2, and confirm the operation.
(4) Connect USB device to downstream connector 3, and confirm the operation.
(5) Disconnect USB cable.
Adjustment item
Within ±3mm in vertical direction Within ±2.5mm in horizontal direction
Inclination: Within ±2.5mm at bezel reference
Adjustment mode/set
Normal Text
Standard Low
Standard Low
2 - 31
Imput signal/pattern
No.12 : 106.25kHz/85Hz
Full White
Graphic
Standard
Low
Phosphor area
Image area
Crosshatch frame