Table Of Contents; Specifications - LG FLATRON L2320A Service Manual

SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 5
OPERATING INSTRUCTIONS ................................ 6
WIRING DIAGRAM ................................................. 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM...................10
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 23inchs (58.4cm)diagonal
Pixel Pitch : 0.258(H) x 0.258(V)
Electrical Interface : TMDS
Color Depth : 8-bit, 16,777,216 colors
Size : 550.0(W)x360.5(H)x25.0(D)
Surface Treatment : Anti-Glare, Hard Coating(3H)
Operating Mode : Normally Black
Backlight Unit : Six-CCFL (Cold Cathode
Fluorescent Lamp)
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
Left : -85°(Typ) Right : +85°(Typ)
Top : +85°(Typ) Bottom : -85°(Typ)
2-2. Luminance : 150(min), 200(Typ)
2-3. Contrast Ratio : 300(min), 400(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Video Input
1)Signal Input : 15pin D-sub Connector/
DVI-D Connector, DVI-I Connector,
Composite video, S video, HDTV, DVD
2)Input Form : RGB Analog(0.7Vp-p/75 Ω), Digital,
S-VIDEO, CVBS, YPbPr(Y, Cb, Cc)
3-2. Sync Input
Horizontal : 30 ~ 96kHz(DVI-I:~80kHz, DVI-D: ~71kHz)
Vertical : 56 ~ 85Hz
Input Form : Separate TTL,
Positive/Negative Composite TTL,
Positive/Negative SOG(Sync On Green)
DIGITAL
4. Max.Resolution
Analog -1920 x 1200@60Hz(1600 x 1200@75Hz)
Digital(DVI-I) -1600 x 1200@60Hz
Digital(DVI-D) -1280 x 1024@60Hz
5. POWER SUPPLY
5-1. Power Adaptor
DDC 2B Display
Input : DC 18.5V 4.5A, DC5V 0.5A
Media station
Input : AC 100~240V, 50/60Hz , 1.5A
Output : DC 18.5V 5.0A, DC 5V 0.8A
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CONTENTS
ADJUSTMENT ....................................................... 11
TROUBLESHOOTING GUIDE .............................. 13
PRINTED CIRCUIT BOARD................................... 19
EXPLODED VIEW...................................................24
REPLACEMENT PARTS LIST ...............................28
PIN CONFIGURATION............................................41
SCHEMATIC DIAGRAM ......................................... 46

SPECIFICATIONS

POWER ON (NORMAL)
POWER CUT OFF S/W OFF
≥
10 6. ENVIRONMENT
7. DIMENSIONS
8. WEIGHT
9. USB
- 2 -
5-2. Power Consumption
MODE H/V SYNC VIDEO
ON/ON ACTIVE
OFF/ON OFF
STAND-BY
ON/OFF
OFF
SUSPEND
OFF/OFF OFF
DPM OFF
-
POWER OFF
-
6-1. Operating Temperature: 10°C~35°C (50°F~95°F)
6-2. Relative Humidity
6-3. MTBF : 50,000 Hours(Typ.)
Display(with TILT/SWIVEL)
Width : 587.5 mm (23.13'')
Depth : 260 mm (10.24')
Height : 446.5 mm (17.58'')
Media Station
Width : 129.6 mm (5.10'')
Depth : 205.6 mm (8.09')
Height : 191.6 mm (7.54'')
Display(with Tilt/Swivel) : 11.56kg (25.49 lbs)
Media station : 2.7kg (5.95 lbs)
USB standard : Rev.1.0compliedSelf-poweredhub
Downstream power supply : 500mA for each(MAX)
Communication speed : Full-12Mbps, Low-1.5Mbps
USB port : 1 Upstream port
POWER CONSUMPTION LED COLOR
less than 98 W
BLUE
less than 5 W
AMBER
less than 5 W
AMBER
less than 3 W
AMBER
- OFF
less than 3 W
-
OFF
less than 1 W
(Ambient)
: 10%~80%
(Non-condensing)
2Downstream ports
LGE Internal Use Only
BLUE
BLUE
BLUE
BLUE
BLUE
OFF