LG 42LV4400 LC420EUG-RDV2-7R1 Service Manual ▷ View online
MODEL : 42LV4400_LC420EUG-RDV2-7R1
47LV4400_LC470EUG-RDV2-KR1
P/NO：SG-0000034 (REV01) Printed in Taiwan
42LV4400，47LV440 Service Manual
Table of Contents
CONTENTS PAGE
Sections
1. Features
1-1
2. Specifications
2-1
3. On Screen Display
3-1
4. Factory Preset Timings
4-1
5. Pin Assignment
5-1
6. Main Board I/O Connections
6-1
7. Theory of Circuit Operation
7-1
8. Waveforms
8-1
9. Trouble Shooting
9-1
10. Block Diagram
10-1
11. Spare parts list
11-1
12. Complete Parts List
12-1
Appendix
1. Main Board Circuit Diagram
2. Main Board PCB Layout
3. Assembly Explosion Drawing
CONFIDENTIAL – DO NOT COPY
Page 1-1
File No. SG-0000034
Chapter 1 Features
1.
Built in TV channel selector for TV viewing
2.
Simultaneous display of PC and TV images
3.
Connectable to PC’s analog RGB port
4.
Built in HDTV,composite video, HDMI ,ATV and DTV ,Audio line out, Audio
optical out
5.
Built in auto adjust function for automatic adjustment of screen display
6. Smoothing function enables display of smooth texts and graphics even if
image with resolution lower than 1920x1080 is magnified
7. Power saving to reduce consumption power too less than 0.5W
8. On Screen Display: user can define display mode (i.e. color, brightness,
contrast, sharpness, backlight), sound setting, TV channel program, and
reset all setting.
CONFIDENTIAL – DO NOT COPY
Page 2-1
File No. SG-0000034
Chapter 2 Specification
1. TFT LCD CHARACTERISTICS
42/47” WUXGA TFT LCD
Item Specification
Active Screen Size
42/47 inches(1067.31/1192.87mm) diagonal
Outline Dimension
968.4/1078.6(H) × 564/626(V) X 10.8(B)/18.3/22.9 mm(D)
(Typ.)
(Typ.)
Pixel Pitch
0.4845/0.5415 mm x 0.4845/0.5415 mm
Pixel Format
1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement
Color Depth
8bit, 16.7 M colors
Luminance, White
360/290 cd/m2 (Center 1point ,Typ.)
Viewing Angle (CR>10)
Viewing angle free ( R/L 178 (Typ.), U/D 178 (Typ.))
Power Consumption
Total 92.9/100.2W (Typ.) [(Logic=7.3/7.5W , LED
Backlight=85.6/93.1W Ext.PWM=100% )]
Backlight=85.6/93.1W Ext.PWM=100% )]
Weight 8.8/12.7kg
(Typ.)
Display Mode
Transmissive mode, Normally black
Surface Treatment
Hard coating(3H), Anti-glare treatment of the front polarizer
(Haze 10%)
(Haze 10%)
2.Input Connectors
USBX1(Jpag only) , HDMIX3,,D-SUB15PIN (MINI, 3rows), RCAX2
(Component/Composite and Audio IN) , Tuner
USBX1(Jpag only) , HDMIX3,,D-SUB15PIN (MINI, 3rows), RCAX2
(Component/Composite and Audio IN) , Tuner
3.Output Connectors
SPDIF Out (Optical Audio) , 3.5
SPDIF Out (Optical Audio) , 3.5
mini jack (Audio OUT)
4. Power Supply
a. Input voltage: 100V-240Vac, 50/60Hz
b. Input current: 1.4 /1.6A (Max)
c. Power consumption(w/set): 125W /135(Max) / 81/97W (AVG)
d. Standby/DPMS(w/set): 0.5W (Max) at 120 Vac
a. Input voltage: 100V-240Vac, 50/60Hz
b. Input current: 1.4 /1.6A (Max)
c. Power consumption(w/set): 125W /135(Max) / 81/97W (AVG)
d. Standby/DPMS(w/set): 0.5W (Max) at 120 Vac
5.Speaker
Output 6Ω/10W (max) X2
Output 6Ω/10W (max) X2
