Panasonic Full Hd Lcd Display Th 42lf20 Operating Instructions

H-FREQ.
V- F R E Q .kHz
Hz
63.98
60.02
SIGNAL FORMAT 1280×1024/60
H-FREQ.
V-FREQ. kHz
Hz
63.98
60.02
DOT CLOCK FREQ.MHz
108.0
SIGNAL FORMAT 1280×1024/60
41
SET UP for Input Signals
Displays the frequency and the type of the current input signal.
This display is valid only for COMPONENT/RGB/PC and Digital input signal\
. 
Display range: Horizontal  30 - 110 kHz
Vertical  48 - 120 Hz
The dot clock frequency is displayed during digital signal input.
Note:
The automatically detected signal format may be...

Options 
Enable Off-timer function Normal Initial Power Mode OffPower On Screen DelayOffClock Display
2/2
OnPower Switch Lock
Options 1/2
Initial input On screen displayOn
Off
Off Off
0
0Maximum VOL level
Initial VOL levelOffInput lockOffButton lockOffRemocon User level
42
Item Adjustments
On screen display On:
  Displays all the following on screen.
• Power on display
• Input signal switch display
• No signal display
• Mute and the remaining time of off-timer after 
 was pressed.
Off:   Hides all the...

43
Item Adjustments
Button lockOff 
 On  MENU&ENTER
 
Off:   All the buttons on main unit can be used.
MENU&ENTER:  Locks 
MENU and ENTER/ buttons on main unit.
On:   Locks all the button on main unit.
Sets Button lock with the unit buttons in the following procedure.
Off:   Press 
 four times →Press INPUT four times →Press  four times →Press ENTER/
MENU&ENTER:  Press ENTER/ four times→Press  four times →Press INPUT four times →Press ENTER/
On:   Press  four times →Press ENTER/ four times →Press  four...

44
Troubleshooting
Before you call for service, determine the symptoms and make a few simpl\
e checks as shown below.
SymptomsChecks
Picture Sound
InterferenceNoisy SoundElectrical Appliances
Cars / Motorcycles
Fluorescent light
Normal PictureNo Sound
Volume
(Check whether the mute function has been activated on the remote contr\
ol.)
No PictureNo SoundNot plugged into AC outlet
Not switched on
PICTURE and BRIGHTNESS/Volume setting
(Check by pressing the power switch or stand-by button on the remote co\...

45
Applicable input signals
*Mark: Applicable input signal
Signal nameHorizontal 
frequency (kHz) Vertical 
frequency (Hz)RGB IN
(Dot clock (MHz)) PC IN
(Dot clock (MHz)) DVI-D IN
(Dot clock (MHz)) HDMI1
HDMI2
1 640x400@70Hz 31.46  70.07  * (25.17) * (25.17) * (25.17)
2 640x400@85Hz 37.86  85.08  * (31.5) * (31.5) * (31.5)
3 640x480@60Hz 31.43  59.88  * (25.15) * (25.15) * (25.15)
4 640x480@60Hz 31.47  59.94  * (25.18) * (25.18) * (25.18) *
5 640x480@67Hz 35.00  66.67  * (30.24) * (30.24) * (30.24)
6...

46
Applicable input signals
Video signals (VIDEO, S-VIDEO)
Signal nameHorizontal Vertical
frequency (kHz) frequency (Hz)
1 NTSC 15.73 59.94
2 PAL 15.63 50.00
3 PAL60 15.73 59.94
4 SECAM 15.63 50.00
5 NTSC 4.43 15.73 59.94
6 PAL N 15.63 50.00
7 PAL M 15.73 59.94
This function allows you to reset the unit to the factory setting.
Shipping condition
1
4Press to display the SET UP menu.
Press to select “OSD LANGUAGE”.
Press for more than 3 seconds.
Press to select “Shipping”.
Press to display the Shipping...

47
TH-42LF20U TH-47LF20U
Power Source  110 - 127 V AC, 50/60 Hz
Power Consumption Rated Power 
Consumption 250 W 300 W
On mode Average Power  Consumption ∗ 200 W 255 W
Stand-by condition 0.1 W 0.1 W
LCD Display panel 42-inch IPS panel, 16:9 aspect ratio 47-inch IPS panel, 16:9 aspect ratio
Screen size 36.6” (930 mm) (W) × 20.5” (523 mm) (H) × 
42.0” (1,067 mm) (diagonal) 40.9” (1,040 mm) (W) × 23.0” (585 mm) (H) × 
46.9” (1,193 mm) (diagonal)
(No.of pixels) 2,073,600 (1,920 (W) × 1,080 (H))
[5,760 ×...

This product has a fl uorescent lamp that contains mercury.
Disposal may be regulated in your community due to environmental conside\
rations. 
For disposal or recycling information, please contact your local authori\
ties, or the 
Electronic Industries Alliance:
http://www.eiae.org.
Panasonic Solutions Company
Unit of Panasonic Corporation of North America
Executive Of fi ce :
Three Panasonic Way 2F-5, Secaucus, NJ 07094
Panasonic Canada Inc.
5770 Ambler  Drive
Mississauga, Ontario
L4W 2T3
Customer’s...