Table Of Contents; Specifications - LG M2343A Service Manual

SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
SERVICE PRECAUTIONS ...................................... 4
TIMING CHART ....................................................... 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM ................. 10
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Size : 318.3 (V) x 546.0 (H) x 42.1 (D)
Pixel Pitch : 0.372mm x 0.372mm
Color Depth : 8bit, 16.7M colors
Active Video Area : 22.95 inches (582.96mm)diagonal
Surface Treatment : Anti-Glare, Hard Coating (3H)
Backlight Unit : 6 UCCFL
Opraating Mode : Transmissive mode, Normally Black
Electrical Interface : LVDS
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥ 10
Left : -85°min., -89°(Typ) Right
Top : +85°min., +89°(Typ) Bottom : -85°min., -89°(Typ)
2-2. Luminance : 320(min.), 450(typ.)
2-3. Contrast Ratio : 600(min.), 800(typ.)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
1) Type : Separate Sync, Composite, SOG, Digital
3-3. Operating Frequency
Horizontal(Analog) : 30 ~ 83kHz
Horizontal(Digital) : 30 ~ 72kHz
Vertical
4. SPECIAL FUNCTION
4-1. Audio AMP
1) Output: 7Wrms + 7Wrms
2) Freq. Character: 250Hz~20KHz Range(-3dB)
3) Input: PC - 0.7 0.1Vrms
AV - 0.7 0.1Vrms
4-2. SPEAKER
1) Impedance : 8
2) Input : Max-12W, Normal-7W
4-3. TV
1) Type : PAL
2) Tuner IF : PIF - 38.9MHz
SIF - 33.4MHz
CIF - 34.47MHz
3) Receiving Channel : VHF- Low: 45.25~140.25MHz

SPECIFICATIONS

: +85°min., +89°(Typ)
: 56 ~ 85Hz
HIGH: 147.25~423.25MHz
UHF - 431.25~855.25MHz
CONTENTS
ADJUSTMENT ....................................................... 11
TROUBLESHOOTING GUIDE .............................. 13
WIRING DIAGRAM ............................................... 17
EXPLODED VIEW...................................................18
REPLACEMENT PARTS LIST ...............................20
SCHEMATIC DIAGRAM ..........................................29
4-4. AV
1) Video Level : Input - 0.7 0.15Vp-p
2) Sync Level : Input - 0.286 0.075Vp-p
3) Color Burst : Input - 0.214 0.072Vp-p
4) Audio Level : AV Input - 0.7 0.1Vrms
5) Video Cross Talk : 43dB
5. Max Resolution
Analog
Digital
6. Recommed Resolution
Analog/Digital
7. POWER SUPPLY
7-1. Power
100-240V~, 50/60Hz
7-2. Power Consumption
MODE
ON MODE (NORMAL)
SLEEP MODE
POWER OFF
8. ENVIRONMENT
7-1. Operating Temperature : 10°C~35°C (50°F~95°F)
7-2. Operating Humidity
7-3. MTBF
9. DIMENSIONS (with TILT/SWIVEL)
Width
Depth
Height
10. WEIGHT (with TILT/SWIVEL)
Net. Weight
Gross Weight
- 2 -
PC Input - 0.7 0.1Vrms
: 1600 x 1200@60Hz
: 1360 x 768@60Hz
: 1360 x 768@60Hz
H/V SYNC
VIDEO POWER CONSUMPTION
ON/ON
ACTIVE less than 110 W
-
OFF less than 5 W
-
OFF less than 3 W
: 10%~80%
: 50,000 Hours (Min.)
: 588 mm (23.54'')
: 260 mm (11.22'')
: 447 mm (18.35'')
: 11.3 kg (24.92 lbs)
: 17.5 kg (35.06 lbs)
LED COLOR
BLUE
AMBER
OFF