Table Of Contents; Specifications - Mitsubishi LCD1855NX-BK Service Manual

SPECIFICATIONS ................................................... 2
SERIAL NUMBER INFORMATION ......................... 4
PRECAUTIONS ....................................................... 5
TIMING CHART ....................................................... 6
OPERATING INSTRUCTIONS ................................ 7
WIRING DIAGRAM ................................................. 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM...................10
1. LCD CHARACTERISTICS
Type : TFT SXGA LCD
Size : 18inch
Pixel Pitch : 0.2805(H) x 0.2805(V)
Color Depth : 8-bit, 16,777,216 colors
Electrical Interface : LVDS
Surface Treatment : Anti-Glare, Hard Coating(3H)
Operating Mode : Normally Black
Backlight Unit : Six-CCFL (Cold Cathode
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
Left : -60° min., -80°(Typ)
Right : +60° min., +80°(Typ)
Top : +60° min., +80°(Typ)
Bottom : -60° min., -80°(Typ)
2-2. Luminance : 200(min), 250(Typ)
2-3. Contrast Ratio : 200(min), 350(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate, Positive/Negative
Composite, SOG (Sync On Green)
Digital
3-2. Video Input Signal
1) Type
2) Voltage Level
a) Color 0, 0
b) Color 7, 0
c) Color 15, 0
3) Input Impedance
3-3. Operating Frequency
Horizontal : 30 ~ 80kHz
Vertical : 56 ~ 85Hz(Limited to 75Hz by EDID)

SPECIFICATIONS

Fluorescent Lamp)
≥
10
: R, G, B Analog
: 0~0.71 V
: 0 Vp-p
: 0.467 Vp-p
: 0.714 Vp-p
: 75 Ω
CONTENTS
ADJUSTMENT ...................................................... 12
INSPECTION.......................................................... 17
TROUBLESHOOTING GUIDE .............................. 22
PRINTED CIRCUIT BOARD................................... 27
EXPLODED VIEW...................................................30
REPLACEMENT PARTS LIST ...............................32
PIN CONFIGURATION............................................37
SCHEMATIC DIAGRAM ......................................... 39
4. POWER SUPPLY
4-1. Power Adaptor(Built-in Power)
Input
4-2. Power Consumption
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPMS OFF
POWER S/W OFF
5. ENVIRONMENT
5-1. Operating Temperature: 5°C~35°C (41°F~95°F)
5-2. Relative Humidity
5-3. MTBF
6. DIMENSIONS (with TILT/SWIVEL)
Width
Depth
Height
7. WEIGHT (with TILT/SWIVEL)
Net. Weight
Gross Weight
- 2 -
: AC 100~240V, 50/60Hz , 1.0A
H/V SYNC VIDEO POWER CONSUMPTION
ON/ON ACTIVE less than 53 W
OFF/ON OFF less than 3 W
ON/OFF less than 3 W
OFF
OFF
OFF/OFF less than 3 W
-
- less than 2 W
(Ambient)
: 10%~80%
(Non-condensing)
: 50,000 Hours(Min)
: 406 mm (15.98'')
: 215 mm (8.46'')
: 427 mm (16.81'')
: 8.2kg (18.08 lbs)
: 11kg (24.25 lbs)
LED COLOR
GREEN
AMBER
AMBER
AMBER
OFF