Table Of Contents - LG FLATRON IPS234V Service Manual

SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 8
DISASSEMBLY ....................................................... 9
BLOCK DIAGRAM ................................................. 11
DESCRIPTION OF BLOCK DIAGRAM...................12
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 23 inch diagonal
Pixel Pitch : 0.265 (H) x 0.265 (V)
Size : 533.2(H) x 312(V) x 10.2 (D)
Color Depth : 16.7M colors(6-bit with A-FRC)
Electrical Interface : 2ch-LVDS
Surface Treatment : Anti-Glare, Hard Coating(3H)
Operating Mode : Normally Black
Backlight Unit : White LED
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio >10
Horizontal: Left:+89°, -89°(Typ) Right: +89°, -89°(Typ)
Vertical: Top:+89°, -89°(Typ) Bottom: +89°, -89°(Typ)
2-2. Luminance
: 200 (min),250(Typ)(Full white pattern,0.70V),
WARM
:150（min)（Full whitepattern,0.70V),
MEDIUM
: 150(min) (Full white pattern,0.70V),
COOL
2-3. Contrast Ratio : 700(min), 1000(TYP)
DFC -> 5000 000 : 1(TYP)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync, Digital
3-2. Video Input Signal
1) Type
2) Voltage Level
3) Input Impedance
3-3. Operating Frequency
Analog/Digital:
Horizontal
Vertical
HDMI:
Horizontal
Vertical
Copyright
2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CONTENTS
SPECIFICATIONS
: R, G, B Analog
: 0~0.7 V
: 75 Ω
: 30 ~ 83kHz
: 56 ~ 75Hz
: 30 ~ 83kHz
: 56 ~ 61Hz
ADJUSTMENT ...................................................... 14
TROUBLESHOOTING GUIDE .............................. 16
WIRING DIAGRAM ............................................... 19
EXPLODED VIEW...................................................20
REPLACEMENT PARTS LIST ...............................22
SCHEMATIC DIAGRAM ......................................... 26
4. MAX. RESOLUTION
5. POWER SUPPLY
5-1. Power Adaptor(Built-in Power)
19 V
Input :
5-2. Power Consumption
MODE H/V SYNC
POWER ON (NORMAL)
ON/ON
STAND BY OFF/ON
SUSPEND ON/OFF
DPMS OFF OFF/OFF
POWER S/W OFF -
Super Energy Saving On/Off
6. ENVIRONMENT
6-1. Operating Temperature : 10°C~35°C (50°F~95°F)
6-2. Relative Humidity
6-3. MTBF
Lamp Life
7. DIMENSIONS (with TILT)
Width
Depth
Height
8. WEIGHT (with TILT/SWIVEL)
Net. Weight
Gross Weight
- 2 -
: 1920 x 1080 @60Hz
1.6 A
VIDEO POWER CONSUMPTION
less than 33 W(max)
ACTIVE
less than 27 W(typ)
OFF
less than 0.3 W
OFF less than 0.3 W
OFF
less than 0.3 W
-
less than 0.3 W
Efficiency:
On
up to30%
: 10%~80% (Non-condensing)
: 30,000 HRS with 90%
Confidence level
: 30,000 Hours (Min)
: 54.4 cm
: 40.6 cm
: cm
18.1
: 3.1 kg
: 4.4 kg
LGE Internal Use Only
LED COLOR
RED
RED
BLINKING
RED
BLINKING
RED
BLINKING
OFF
RED