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Weights and dimensions shown are approximate. Specifications are subject to change without notice.
Product availability differs depending on region and country. This product may be subject to export control
regulations. UHM is a trademark of Matsushita Electric Industrial Co., Ltd. VGA and XGA are trademarks of
International Business Machines Corporation. Windows and PowerPoint are either registered trademarks or
trademarks of Microsoft Corporation in the United States and/or other countries. All other trademarks are
the property of their respective trademark owners. Projection images simulated.

Specifications

PT-LB50NTU2-06MAR5K Printed in Japan.

Rear View

Power supply
Power consumption

LCD panel

Panel size
Display method
Drive method
Pixels

PT-LB50NTU/LB50U

PT-LB50SU

Pixel configuration

Lens

Lamp
Colors
Brightness
Uniformity
Contrast
Scanning frequency

RGB

YP

B

P

R

S-Video/Video 

Projection size

Throw distance

PT-LB50NTU/LB50U
PT-LB50SU

Optical axis shift
Keystone correction range

100–240 V AC, 50/60 Hz
240 W (Approx. 2 W in standby
mode with fan stopped)
4:3 aspect ratio, micro lens array
0.6˝ (15.24 mm) diagonal
Transparent LCD panel (x 3, R/G/B)
Active matrix

786,432 (1,024 x 768) x 3,
total of 2,359,296 pixels
480,000 (800 x 600) x 3,
total of 1,440,000 pixels
Stripe
Manual zoom (1:1–1:1.2), manual
focus, F 1.6 –1.9, f 18.8 – 22.6 mm 
165 W UHM™ lamp 
Full color (16,777,216 colors)
2,000 lumens
85%
400:1*

1

(full on/full off)

Horizontal: 15–91 kHz,
Vertical: 50–85 Hz
480i (525i): f

H

15.75 kHz; f

V

60 Hz

576i (625i): f

H

15.63 kHz; f

V

50 Hz

480p (525p): f

H

31.5 kHz; f

V

60 Hz

576p (625p): f

H

31.25 kHz; f

V

50 Hz

720p (750p): f

H

45 kHz; f

V

60 Hz

1080i (1125i): f

H

33.75 kHz; 

f

V

60 Hz

1080i (1125i): f

H

28.125 kHz;

f

V

50 Hz

NTSC, NTSC4.43, PAL-M, PAL60:
f

H

15.75 kHz; f

V

60 Hz 

PAL, SECAM, PAL-N: f

H

15.63 kHz; 

f

V

50 Hz 

33–300 inches/838–7,620 mm 
diagonally

3´7˝–36´5˝ (1.1 m–11.1 m)
3´7˝–35´9˝ (1.1 m–10.9 m)
6:1 (fixed)

Vertical: ±30°

On-screen menu

Installation

Built-in speakers

Terminals

PC 1 IN

RGB signal

YP

B

P

R

signal

PC 2 IN/PC 1 OUT

RGB signal

YP

B

P

R

signal

VIDEO IN 
S-VIDEO IN 

AUDIO IN 

PC AUDIO IN 
AUDIO OUT

SERIAL

Power cord length
Cabinet material
Dimensions (W x H x D)

Weight

PT-LB50NTU
PT-LB50U/LB50SU

Operating environment 

Temperature
Humidity

17 languages: English, French,
German, Spanish, Italian, Korean,
Russian, Chinese, Japanese,
Swedish, Norwegian, Danish,
Portuguese, Polish, Hungarian,
Czech, and Thai
Front/rear ceiling/desk 
(menu selection)
1-9/16˝ x 25/32˝ (4 x 2 cm) x 1
(oval), 1.0 W (monaural) output
power

D-sub HD 15-pin x 1
R, G, B: 0.7 Vp-p, 75 ohms, Sync
on green: 1.0 Vp-p, 75 ohms
HD/SYNC, VD: TTL (positive/negative
polarity compatible)
Y: 1.0 Vp-p (including sync signal),
75 ohms; P

B

, P

R

: 0.7 Vp-p, 75 ohms

D-sub HD 15-pin x 1 (input/output
selectable using on-screen menu)
R, G, B: 0.7 Vp-p, 75 ohms, Sync
on green: 1.0 Vp-p, 75 ohms
HD/SYNC, VD: TTL (positive/negative
polarity compatible)
Y: 1.0 Vp-p (including sync signal),
75 ohms; P

B

, P

R

: 0.7 Vp-p, 75 ohms

RCA pin x 1, 1.0  Vp-p, 75 ohms
Mini DIN 4-pin x 1,
Y: 1.0 Vp-p, C: 0.286 Vp-p, 75 ohms
RCA (L, R) x 1, 0.5 Vrms 
(for VIDEO/S-VIDEO) 
M3 (L, R) x 1, 0.5  Vrms
M3 (L, R) x 1, 0 – 2.0 Vrms 
(variable)
Mini DIN 8-pin x 1 (RS-232C)
6´7˝ (2 m) 
Moulded material (ABS/PC)

11-11/16˝ x 2-1/4˝ x 8-1/4˝
(297 x 57 x 210 mm)

4.2 lbs. (1.9 kg)
4.0 lbs. (1.8 kg)

32°–104°F (0°–40°C)
20%–80% (no condensation)

Remote Control Unit

Power supply
Operation range

*

2

Dimensions (W x H x D)

Weight

Wireless LAN (PT-LB50NTU)

Standard
Modulation

IEEE802.11b

IEEE802.11g

Transmission system

IEEE802.11b

IEEE802.11g

Transmission speed

IEEE 802.11b
IEEE 802.11g

Operation range

*

2

Frequency range
Channels

3 V DC (button battery x 1)
Approx. 23 feet (7 m) when operat-
ed from directly in front of the sig-
nal receptor

2-1/16˝ x 4-27/32˝ x 13/16˝
(52 x 123 x 21 mm)
2.6 ozs. (74 g) (including batteries)

IEEE802.11b/g

Direct sequence spread spectrum 
(

DS

-

SS

) system

Orthogonal frequency division multi-
plex (

OFDM

) system

CCK (11/5.5 Mbps), DQPSK (2
Mbps), DBPSK (1 Mbps)
64-QAM (54/48 Mbps), 16-QAM 
(36/24 Mbps), QPSK (18/12 Mbps),
BPSK (9/6 Mbps)

11 Mbps, 5.5 Mbps, 2 Mbps, 1 Mbps
54 Mbps, 48 Mbps, 36 Mbps,
24 Mbps, 18 Mbps, 12 Mbps,
9 Mbps, 6 Mbps
Approx. 98´5˝ (30 m)
2,412 MHz–2,462 MHz
1–11 ch

To use wireless functions, a PC is required that meets the conditions given below:

OS: 

Microsoft® Windows® 2000 Professional, Windows® XP Professional, Windows®
XP Home Edition 

CPU: 

Pentium® III or higher, or other compatible processor (1 GHz or higher is recom-
mended).

Memory: 

256 MB or more

Free hard disk space:

60 MB or more

CD-ROM drive:

CD-ROM drive or DVD drive

Wireless LAN:

IEEE 802.11b/g compatible (built-in wireless LAN system or external IEEE
802.11b/g LAN card must be installed and running normally.) However, some
IEEE 802.11g/b wireless LAN may not allow connection to the projector.

Web browser:

Internet Explorer 6.0 or later, Netscape Communicator 7.0 or later

Direct X:

DirectX® 8.1b or later must be installed.

Operation is not guaranteed for all computers that meet the above conditions

Supplied Accessories

• Power cord
• Wireless remote control
• Batteries for remote control
• VGA cable
• Carrying bag
• Wireless Manager ME 3.0 (CD-ROM)*

3

Optional Accessories

ET-LAB50  Replacement lamp unit
ET-PKB50  Ceiling mount bracket
ET-RM300  Full-function wireless remote control
ET-ADSER  Serial adapter (DIN 8-pin/D-sub 9-pin)

N

O T E S

O N

U S E

• The projector uses a high-voltage mercury lamp that contains high internal pressure. This lamp may break,

emitting a large sound, or fail to illuminate, due to impact or extended use. The length of time that it takes
for the lamp to break or fail to illuminate varies greatly depending on individual lamp characteristics and
usage conditions.

• The brightness of the lamp will gradually decrease with use.
• The lamp, LCD panel, polarizing plate, and polarizing beam splitter (PBS) are consumable parts. These parts

may need to be replaced during the guarantee period if the projector is used for six or more hours per day.

• The replacement cycle of the LCD panel, polarizing plate, and polarizing beam splitter (PBS) will be short-

ened if the projector is subjected to continuous use for six or more hours. Likewise, the replacement cycle
of the lamp will be shortened if the power is frequently turned on and off or the projector is subjected to
continuous use for 10 or more hours.

• Interruptions may occur in the wireless connection due to signal interference or PC conditions.

*1: In AI mode.
*2: Operation range differs depending on the environment.
*3: For the PT-LB50NTU only.

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