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MultiSync V920
NEC MultiSync V920
67 pages
Manual
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MODELS
N9902-1
COLOR MONITOR
SERVICE MANUAL
Better Service
Better Reputation
Better Profit
/
MITSUBISHI
NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS
MODELS:
MultiSync V920
MultiSync V921-1
MultiSync 95
AccuSync 90
AccuSync 90 M
(N9902-1 Series Model)
2
Table of Contents
Main Page
Table of Contents
3
Service Manual
1
Specifications
4
Controls
5
Serial Number Information
7
Disassembly
8
Adjustment Specifications
9
Adjustment Tools
10
B+ Adjustment
10
Definition for Normal Condition
10
Timing Table
10
Adjustment
11
Free Run Adjustment
11
G2 Voltage Adjustment(Raster Brightness Adjustment)
11
H-Center Adjustment
11
H-Size Adjustment
11
Mode 11 Pre-Adjustment
11
X-Ray Test
11
Automatically Adjust
12
Convergence Adjust
12
Focus Adjust
12
White Balance Adjustment
12
White Balance Check and ABL Adjust
12
DCC 1/2B Test
13
Power Saving Test
13
Timing Table
14
Pnp Communication
17
Construction of System
17
EDID Write and Inspection Method
17
EDID Data File
18
Trouble Shooting
20
No Operation, Power Led Flash
21
No Operation, Power Led off
22
Video Noise, Unsynchronous
23
No Video
24
No Raster
25
Trouble in H.V Sync
26
Pincushion Poor
27
Focus Poor
28
N9902 Theory of Circuit Operation
29
Theory of Circuit Description
29
Micro Controller System
30
Power Supply
30
Video Circuit & OSD
30
Horizontal Deflection
31
Vertical Deflection
31
FBT Secondary & Dynamic Focus
32
Multisync V920
33
Replacement Parts List
33
Multisync V921-1
56
Multisync 95
58
Accusync 90
60
Accusync 90M
62
Block Diagram
65
Schematic
66
Video Board
66
Main Board
67
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NEC MultiSync V920 Specifications
General
Display Type
LCD
Resolution
1280 x 1024
Brightness
250 cd/m²
Contrast Ratio
1000:1
Response Time
5 ms
Connectivity
VGA, DVI-D
Input Connectors
VGA, DVI-D
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