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Copyright
2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. LCD CHARACTERISTICS
Type
: TFT Color LCD Module
Active Display Area
: 31.51 inches(800.4mm) diagonal-
M3201C
: 37.02 inches(800.4mm) diagonal-
M3701C
: 42.02 inches(1067.308mm) diagonal-
M4201C
Pixel Pitch
: 170.25 (H) x 510.75 (V) x RGB-
M3201C
: 0.2mm (H) x 0.6mm (V) x RGB-
M3701C
: 0.227mm (H) x 0.681mm (V) x RGB-
M4201C
Color Depth
: 8bits, 16,777,216 colors
Electrical Interface
: LVDS
Size
: 760(H) x 450(D) x 48(D)-
M3201C
Size
: 877(H) x 516.8(D) x 55.5(D)-
M3701C
Size
: 1006(H) x 610(D) x 59(D)-
M4201C
Surface Treatment
: Anti-Glare, Hard Coating(3H)
Operating Mode
: Normally Black
Backlight Unit
: 18EEFL (20lamps)-
M3201C
Backlight Unit
: 20EEFL (20lamps)-
M3701C,M4201C
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
≥
10
Left : -85° min., -89°(Typ) Right : +85° min., +89°(Typ)
Top : +85° min., +89°(Typ) Bottom : -85° min., -89°(Typ)
2-2. Luminance
: 400(min), 500(Typ)-
9300K
2-3. Contrast Ratio
: 600(min), 800(Typ)
at PSM : Standard, CSM : Normal
3. SIGNAL (Refer to the Timing Chart)
3-1. PC & Video Input
1)Input Form
: RGB, HDMI/DVI, Component, Video,
S-Video
2)Resolution(max) : Analog -1600 x 1200@60Hz
Digital -1280 x 1024@60Hz
3-2. Sync Input
Horizontal
: 30 ~ 83kHz(Digital: ~72kHz)
Vertical
: 56 ~ 85Hz
Input Form
: Separate, SOG, Composite, Digital
4. SPECIAL FUNCTION
4-1. Audio
1)Output Rating : 10W + 10W(Rated Output
10%)
2)Freq. Character : 100Hz~10KHz Range(-3dB)
3)T. H. D : Within 10%
4)Input Sensitivity : 0.700Vrms
4-2. Speaker
1)TYPE
: Detachable
2)Impedance : 8
3)Input
: Max : 15W, Normal : 10W
4-2. 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 : NTSC Input : 0.40
0.1Vrms
PAL Input : 0.5
0.1Vrms
PC Input : 0.7
0.1Vrms
5)Video Cross Talk : 43dB
5. POWER SUPPLY
5-1. Power Adaptor
Input
: AC 100~240V, 50/60Hz , 2.8A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature: 10°C~35°C
6-2. Operating Humidity
: 10%~80%
6-3. MTBF
: 50,000 HRS with 90%
Confidence level
Lamp Life
: 50,000 Hours(Min.)
CONTENTS
SPECIFICATIONS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 8
BLOCK DIAGRAM ................................................. 10
DESCRIPTION OF BLOCK DIAGRAM...................11
ADJUSTMENT ...................................................... 12
SERVICE OSD ...................................................... 14
TROUBLESHOOTING GUIDE .............................. 17
WIRING DIAGRAM ............................................... 24
EXPLODED VIEW...................................................25
REPLACEMENT PARTS LIST ...............................31
SCHEMATIC DIAGRAM ......................................... 42
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPMS OFF
POWER SW OFF
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
OFF/OFF
POWER CONSUMPTION
less than 145W-
M3201C
less than 180W-
M3701C
less than 240W-
M4201C
less than 1 W
less than 4 W
less than 1 W
less than 4 W
less than 1 W
less than 4 W
less than 1 W
LED COLOR
-
RGB
HDMI
RGB
HDMI
RGB
HDMI
-
VIDEO
ACTIVE
OFF