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MultiSync LCD1970NX
NEC MultiSync LCD1970NX User Manual
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4-5
5.2 Factory Mode
The f
ollowing pages com
pris
e the Servic
e Menu.
The Warning M
essage
5.2.1 How
to Enter S
ervice M
ode
1.
Open Inf
ormation m
enu (Si
gnal inf
ormation).
2. Press
“SELECT
”+”RE
SET”.
3.
The
Warning Mes
sage will be shown.
4.
Then pres
s “Select”
to enter the
Service M
ode.
5.
Press, “
EXIT” to c
lose OSM m
enu.
Inform
ation Menu
32
34
Table of Contents
Adjustment Procedures
29
Default Chapter
1
Service Manual
1
Table of Contents
5
Declaration
6
Warning, Caution
6
Canadian Department of Communications Compliance Statement
7
Declaration of Conformity
7
Contents
8
Quick Start
9
Raise and Lower Monitor Screen
11
Remove Monitor Stand for Mounting
11
Flexible Arm Installation
12
Controls
13
Menu Tools
14
Recommended Use
15
Specifications for LCD1970V
17
Specifications for LCD1970NX
18
Features
19
Troubleshooting
20
Tco'03
21
Manufacturer's Recycling and Energy Information
22
Serial Number Information
23
1 Application
30
2 Adjustment Conditions
30
Time for Adjustment
30
Measuring Instruments, Jigs, and Tools
30
Power Supply Voltage
30
Aging
30
3 Default Setting
31
4 Basic Operation (Front Control Panel Layouts)
31
5 Set Adjustments
32
Power on
32
Factory Mode
33
How to Enter Service Mode
33
How to Use Service Mode
34
How to Exit Service Mode
38
Burn in Mode
38
6 Auto Contrast Adjustment
39
ADC Bias and Gain Control
39
Panel Brightness Check
39
Panel Color Check
39
Color Temperature Check
39
Reference Signal Timing
40
Inspection
41
Default Chapter
41
Inspection -----------------------------------------------------------------------------
41
1 General Description
42
2 Electrical Characteristics
43
Power Supply
43
LCD Panel
44
85Hz Refresh Rate Support
44
White Color Temperature
44
Check Power Manage Function
45
3 External Inspection on the LCD Module
46
Inspection Conditions
46
Electrical Inspection Specification
46
Polarizer Defects
49
Foreign Material
49
Line Defect
49
Bezel Appearance
49
4 Safety Test
50
Input Current Measurements
50
Power Source/Earth Connections
50
Dielectric Strength Test
51
Leakage Current Test
51
Insulation Resistance Test
52
5 PLUG & PLAY Communication Inspection
53
System Connection
53
Input Signal
54
Programs
54
Operations
55
EDID Data Inspection and Writing to the D-SUB Connector (Analog)
55
EDID Data Inspection and Writing to the DVI-D Connector (Digital)
58
EDID Data File
59
Appendix Reference Signal Timings
60
Power Circuit
67
Block Diagram
98
Packing Specification
103
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NEC MultiSync LCD1970NX Specifications
General
Brand
NEC
Model
MultiSync LCD1970NX
Category
Monitor
Language
English
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