Christie LWU420 User Manual
LWU420
User Manual-Technical Guide
020-000320-01
Projector
LWU420 User Manual-Technical Guide
User's Manual – Operating Guide Technical
Example of computer signal
Resolution (H x V) H. frequency (kHz) V. frequency (Hz) Rating Signal mode
720 x 400 37.9 85.0 VESA TEXT
640 x 480 31.5 59.9 VESA VGA (60Hz)
640 x 480 37.9 72.8 VESA VGA (72Hz)
640 x 480 37.5 75.0 VESA VGA (75Hz)
640 x 480 43.3 85.0 VESA VGA (85Hz)
800 x 600 35.2 56.3 VESA SVGA (56Hz)
800 x 600 37.9 60.3 VESA SVGA (60Hz)
800 x 600 48.1 72.2 VESA SVGA (72Hz)
800 x 600 46.9 75.0 VESA SVGA (75Hz)
800 x 600 53.7 85.1 VESA SVGA (85Hz)
832 x 624 49.7 74.5 Mac 16” mode
1024 x 768 48.4 60.0 VESA XGA (60Hz)
1024 x 768 56.5 70.1 VESA XGA (70Hz)
1024 x 768 60.0 75.0 VESA XGA (75Hz)
1024 x 768 68.7 85.0 VESA XGA (85Hz)
1152 x 864 67.5 75.0 VESA
1280 x 960 60.0 60.0 VESA
1280 x 1024 64.0 60.0 VESA SXGA (60Hz)
1280 x 1024 80.0 75.0 VESA SXGA (75Hz)
*1280 x 1024 91.1 85.0 VESA SXGA (85Hz)
*1600 x 1200 75.0 60.0 VESA UXGA (60Hz)
1280 x 768 47.7 60.0 VESA W-XGA (60Hz)
1400 x 1050 65.2 60.0 VESA SXGA+(60Hz)
1280 x800 83.5 60.0 VESA
1920 x1200 74.0 60.0 VESA
1152 x 864 (75Hz)
1280 x 960 (60Hz)
1280 x 800 (60Hz)
W-UXGA(60Hz)
Reduced Blanking
NOTE • Be sure to check jack type, signal level, timing and resolution
before connecting this projector to a computer.
• Some computers may have multiple display screen modes. Use of some of
these modes will not be possible with this projector.
• Depending on the input signal, full-size display may not be possible in some
cases. Refer to the number of display pixels above.
• Although the projector can display signals with resolution up to WUXGA
(1920x1200), the signal will be converted to the projector’s panel resolution
before being displayed. The best display performance will be achieved if the
resolutions of the input signal and projector panel are identical.
• Automatic adjustment may not function correctly with some input signals.
• The image may not be displayed correctly when the input sync signal is a
composite sync or a sync on G.
• The HDMI input does not support the signals marked with *.
LWU420 User Manual-Technical Guide 020-000320-01 Rev. 1 (06-2010)
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Initial set signals
Initial set signals
The following signals are used for the initial settings. The signal timing of some
computer models may be different. In such case, adjust the items V POSITION
and H POSITION in the IMAGE menu.
Data Data
H. Sync. V. Sync.
Sync (A) Sync (a)
W-XGA (60Hz) 1.7 2.5 16.0 0.8 W-XGA (60Hz) 3 23 768 1
Reduced Blanking
Back porch (B) Front porch (D) Back porch (b) Front porch (d)
Display interval (C)
Computer/
Signal
TEXT 2.0 3.0 20.3 1.0 TEXT 3 42 400 1
VGA (60Hz) 3.8 1.9 25.4 0.6 VGA (60Hz) 2 33 480 10
VGA (72Hz) 1.3 4.1 20.3 0.8 VGA (72Hz) 3 28 480 9
VGA (75Hz) 2.0 3.8 20.3 0.5 VGA (75Hz) 3 16 480 1
VGA (85Hz) 1.6 2.2 17.8 1.6 VGA (85Hz) 3 25 480 1
SVGA (56Hz) 2.0 3.6 22.2 0.7 SVGA (56Hz) 2 22 600 1
SVGA (60Hz) 3.2 2.2 20.0 1.0 SVGA (60Hz) 4 23 600 1
SVGA (72Hz) 2.4 1.3 16.0 1.1 SVGA (72Hz) 6 23 600 37
SVGA (75Hz) 1.6 3.2 16.2 0.3 SVGA (75Hz) 3 21 600 1
SVGA (85Hz) 1.1 2.7 14.2 0.6 SVGA (85Hz) 3 27 600 1
Mac 16" mode 1.1 3.9 14.5 0.6 Mac 16" mode 3 39 624 1
XGA (60Hz) 2.1 2.5 15.8 0.4 XGA (60Hz) 6 29 768 3
XGA (70Hz) 1.8 1.9 13.7 0.3 XGA (70Hz) 6 29 768 3
XGA (75Hz) 1.2 2.2 13.0 0.2 XGA (75Hz) 3 28 768 1
XGA (85Hz) 1.0 2.2 10.8 0.5 XGA (85Hz) 3 36 768 1
1152 x 864
(75Hz)
1280 x 960
(60Hz)
SXGA (60Hz) 1.0 2.3 11.9 0.4 SXGA(60Hz) 3 38 1024 1
SXGA (75Hz) 1.1 1.8 9.5 0.1 SXGA (75Hz) 3 38 1024 1
SXGA (85Hz) 1.0 1.4 8.1 0.4 SXGA (85Hz) 3 44 1024 1
UXGA (60Hz) 1.2 1.9 9.9 0.4 UXGA (60Hz) 3 46 1200 1
SXGA+(60Hz)
1280 x
800(60Hz)
W-UXGA(60Hz)
Horizontal signal timing (μs)
(A) (B) (C) (D) (a) (b) (c) (d)
1.2 2.4 10.7 0.6
1.0 2.9 11.9 0.9
1.2 2.0 11.4 0.7
1.6 2.4 15.3 0.8
0.208 0.519 12.47 0.312
Computer/
Signal
1152 x 864
(75Hz)
1280 x 960
(60Hz)
SXGA+(60Hz)
1280 x
800(60Hz)
W-UXGA(60Hz)
Reduced Blanking
Display interval (c)
Vertical signal timing (lines)
3 32 864 1
3 36 960 1
3 33 1050 1
3 24 800 1
6 26 1200 3
LWU420 User Manual-Technical Guide 020-000320-01 Rev. 1 (06-2010)
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Connection to the ports
Connection to the ports
AUDIO IN1
AUDIO IN2
A
RGB 1, BRGB OUT
A CBD
RGB
OUT
VIDEO
S-VIDEO
RGB1
AUDIO IN3 AUDIO IN4
HDMI
CB/PB
Y
R L R L
C
R/PR
AUDIO OUT
LAN
REMOTE
CONTROL
RGB2
R/CR/PR
B/CB/PB
G/Y
H
V
CONTROL
USB
D-sub 15pin mini shrink jack
• Video signal: RGB separate, Analog, 0.7Vp-p,
75Ω terminated (positive)
• H/V. sync. signal: TTL level (positive/negative)
• Composite sync. signal: TTL level
At RGB signal
Pin Signal Pin Signal
1
Video Red 9 (No connection)
2 Video Green 10 Ground
3 Video Blue 11 (No connection)
4
(No connection) 12
5 Ground 13 H. sync / Composite sync.
6 Ground Red 14 V. sync.
7
Ground Green 15
8 Ground Blue
C
RGB 2(G/Y, B/CB/PB, R/CR/PR, H, V)
• BNC jack x 5
• Video : Analog 0.7Vp-p, 75Ω terminator
• H/V, sync, : TTL level (positive/negative)
• Composite sync, : TTL level
D
HDMI
• Type :Digital audio/video connector
• Audio signal : Linear PCM (Sampling rate; 32/44.1/48 kHz)
A
: SDA (DDC data), B : (No connection)
A
: SCL (DDC clock), B : (No connection)
18 16 14 12 10 8 6 4 2
19 17 15 13 11 9 7 5 3 1
14131211
15
109876
54321
Pin Signal Pin Signal Pin Signal
1 T.M.D.S. Data2 + 8 T.M.D.S. Data0 Shield 15 SCL
2 T.M.D.S. Data2 Shield 9 T.M.D.S. Data0 - 16 SDA
3 T.M.D.S. Data2 - 10 T.M.D.S. Clock + 17 DDC/CEC Ground
4 T.M.D.S. Data1 + 11 T.M.D.S. Clock Shield
5 T.M.D.S. Data1 Shield 12 T.M.D.S. Clock - 19 Hot Plug Detect
6 T.M.D.S. Data1 - 13 CEC
7 T.M.D.S. Data0 + 14 Reserved(N.C. on device)
LWU420 User Manual-Technical Guide 020-000320-01 Rev. 1 (06-2010)
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18
+5V Power
Connection to the ports (continued)
I E F G
RGB1
HDMI
AUDIO IN1
AUDIO IN2
RGB
OUT
H
VIDEO
S-VIDEO
Y
R L R L
AUDIO IN3 AUDIO IN4
LAN
CB/PB
R/PR
C
AUDIO OUT
REMOTE
CONTROL
RGB2
R/CR/PR
B/CB/PB
G/Y
H
V
CONTROL
USB
COMPONENT VIDEO EY, FCB/PB, GCR/P
R
RCA jack x3
• System: 480i@60, 480p@60, 576i@50, 720p@50/60, 1080i@50/60,1080p@50/60
Port Signal
Y Component video Y, 1.0±0.1Vp-p, 75Ω terminator with composite sync
B
/PBComponent video CB/PB, 0.7±0.1Vp-p, 75Ω terminator
C
R/PR
C
H
Mini DIN 4pin jack
Component video CR/PR, 0.7±0.1Vp-p, 75Ω terminator
S-VIDEO
1
2
3
4
• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43, PAL(60Hz)
Pin Signal
Color signal 0.286Vp-p (NTSC, burst), 75Ω terminator
1
Color signal 0.300Vp-p (PAL/SECAM, burst) 75Ω terminator
Brightness signal, 1.0Vp-p, 75Ω terminator
2
Ground
3
Ground
4
I
VIDEO
RCA jack
• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43, PAL(60Hz)
• 1.0±0.1Vp-p, 75Ω terminator
LWU420 User Manual-Technical Guide 020-000320-01 Rev. 1 (06-2010)
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J
HDMI
K
AUDIO IN1
AUDIO IN2
RGB
OUT
L
S-VIDEO
VIDEO
RGB1
M
N O P
Y
R L R L
AUDIO IN3 AUDIO IN4
Connection to the ports (continued)
LAN
CB/PB
R/PR
C
AUDIO OUT
Q R
B/CB/PB
G/Y
H
REMOTE
CONTROL
RGB2
R/CR/PR
V
CONTROL
USB
J
AUDIO IN 1,
K
AUDIO IN 2
Ø3.5 stereo mini jack
• 500 mVrms 47kΩ terminator
AUDIO IN 3 LR, ML, AUDIO IN 4
N
R, OL
RCA jack x2
• 500 mVrms 47kΩ terminator
P
AUDIO OUT
Ø3.5 stereo mini jack
• 500 mVrms 1kΩ output impedance
Q
REMOTE CONTROL
Ø3.5 stereo mini jack
• To be connected with the remote control that came with the projector.
R
CONTROL
D-sub 9pin plug
54321
9876
• About the details of RS-232C communication, please refer to the following RS-232C
Communication in this manual.
Pin Signal Pin Signal Pin Signal
1 (No connection) 4 (No connection) 7 RTS
2 RD 5 Ground 8 CTS
3 TD 6 (No connection) 9 (No connection)
LWU420 User Manual-Technical Guide 020-000320-01 Rev. 1 (06-2010)
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Connection to the ports (continued)
T
LAN
S
USB
HDMI
AUDIO IN1
AUDIO IN2
RGB
OUT
VIDEO
S-VIDEO
RGB1
AUDIO IN3 AUDIO IN4
CB/PB
Y
R L R L
R/PR
C
AUDIO OUT
USB B type jack
Pin Signal
1 +5V
2 - Data
3 + Data
4 Ground
T
LAN
RJ-45 jack
Pin Signal Pin Signal Pin Signal
1TX+ 4- 72TX- 5- 83 RX+ 6 RX-
REMOTE
CONTROL
S
RGB2
R/CR/PR
B/CB/PB
G/Y
H
V
CONTROL
USB
87654321
LWU420 User Manual-Technical Guide 020-000320-01 Rev. 1 (06-2010)
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RS-232C Communication
RS-232C Communication
12345
6
789
CONTROL port RS-232C cable (Cross) RS-232C port
of the projector of the computer
RD (2) (2) RD
TD (3) (3) TD
- (4) (4) DTR
GND (5) (5) GND
- (6) (6) DSR
RTS (7) (7) RTS
CTS (8) (8) DTS
- (9) (9) RI
- (1) (1) CD
12345
6
789
Connecting the cable
Turn off the projector and the computer.
1.
Connect the CONTROL port of the projector with a RS-232C port of
2.
the computer by a RS-232C cable (cross). Use the cable that fulfills the
specification shown in the previous page.
Turn the computer on, and after the computer has started up turn the
3.
projector on.
Communications setting
19200bps, 8N1
1. Protocol
Consist of header (7 bytes) + command data (6 bytes).
2. Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
CRC_low : Lower byte of CRC flag for command data
CRC_high : Upper byte of CRC flag for command data
3. Command data
Command data chart
byte_0 byte_1 byte_2 byte_3 byte_4 byte_5
Action Type Setting code
low high low high low high
Action (byte_0 - 1)
Action Classification Content
1 SET Change setting to desired value.
2 GET Read projector internal setup value.
4 INCREMENT Increment setup value by 1.
5 DECREMENT Decrement setup value by 1.
6 EXECUTE Run a command.
LWU420 User Manual-Technical Guide 020-000320-01 Rev. 1 (06-2010)
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