Panasonic PT-LX270U / PT-LX270E / PT-LX270EA / PT-LX300U / PT-LX300E / PT-LX300EA Service Manual ▷ View online
PT-LX270 / LX300 series
1-3
Appendix
ENGLISH -
53
Appendix
List of compatible signals
The following table specifies the types of signals compatible with the projectors.
Format : V = VIDEO, R = RGB, Y = YP
B
P
R
, H = HDMI
Mode
Display
resolution *
1
(dots)
Scanning
frequency
Dot clock
frequency
(MHz)
Format
Plug and play *
3
H (kHz) V (Hz)
COMPUTER
HDMI
NTSC/NTSC4.43/
PAL-M
-
15.75
59.9
-
V
-
-
PAL/PAL-N/
SECAM
-
15.63
50.0
-
V
-
-
525i (480i)
720 x 480i
15.73
59.9
13.50
Y
-
-
720(1 440) x 480i
(*2)
15.73
59.9
27.00
H
-
o
625i (576i)
720 x 576i
15.63
50.0
13.50
Y
-
-
720(1 440) x 576i
(*2)
15.63
50.0
27.00
H
-
o
525p (480p)
720 x 483
31.47
59.9
27.00
Y/H
-
o
625p (576p)
720 x 576
31.25
50.0
27.00
Y/H
-
o
750 (720)/60p
1 280 x 720
45.00
60.0
74.25
Y/H
-
o
750 (720)/50p
1 280 x 720
37.50
50.0
74.25
Y/H
-
o
1125 (1080)/60i
1 920 x 1 080i
33.75
60.0
74.25
Y/H
-
o
1125 (1080)/50i
1 920 x 1 080i
28.13
50.0
74.25
Y/H
-
o
1125 (1080)/24p
1 920 x 1 080
27.00
24.0
74.25
Y/H
-
o
1125 (1080)/60p
1 920 x 1 080
67.50
60.0
148.50
Y/H
-
o
1125 (1080)/50p
1 920 x 1 080
56.25
50.0
148.50
Y/H
-
o
VGA
640 x 480
31.47
59.9
25.18
R/H
o
o
35.00
66.7
30.24
R/H
o
o
37.86
72.8
31.50
R/H
o
o
37.50
75.0
31.50
R/H
o
o
43.27
85.0
36.00
R/H
-
-
SVGA
800 x 600
35.16
56.3
36.00
R/H
o
o
37.88
60.3
40.00
R/H
o
o
48.08
72.2
50.00
R/H
o
o
46.88
75.0
49.50
R/H
o
o
53.67
85.1
56.25
R/H
-
-
MAC16
832 x 624
49.73
74.6
57.28
R/H
o
o
XGA
1 024 x 768
48.36
60.0
65.00
R/H
o
o
56.48
70.1
75.00
R/H
o
o
60.02
75.0
78.75
R/H
o
o
68.68
85.0
94.50
R/H
-
-
MAC21
1 152 x 870
68.68
75.1
100.00
R/H
-
-
WXGA
1 280 x 768
47.78
59.9
79.50
R/H
-
-
60.29
74.9
102.25
R/H
-
-
WXGA
1 280 x 720
44.77
60.0
74.50
R/H
o
o
1 280 x 800
49.70
59.8
83.50
R/H
o
o
MSXGA
1 280 x 960
60.00
60.0
108.00
R/H
o
o
75.20
75.0
130.00
R/H
-
-
1-2 Compatible Signals
PT-LX270 / LX300 series
1-4
Appendix
54
- ENGLISH
Appendix
Mode
Display
resolution *
1
(dots)
Scanning
frequency
Dot clock
frequency
(MHz)
Format
Plug and play *
3
H (kHz) V (Hz)
COMPUTER
HDMI
SXGA
1 280 x 1 024
63.98
60.0
108.00
R/H
o
o
79.98
75.0
135.00
R/H
o
o
91.15
85.0
157.50
R/H
-
-
1366x768
1 366 x 768
47.72
59.8
84.75
R/H
o
o
SXGA+
1 400 x 1 050
65.32
60.0
121.75
R/H
o
o
UXGA
1 600 x 1 200
75.00
60.0
162.00
R/H
o
o
*1: “i” added to the resolution value indicates an interlaced signal.
*2: HDMI signal of 480i and 576i is only supported by 27 MHz Dot clock signal.
*3: Where marked "o" signals indicates in Plug and Play is compatible with EDID of projector. Unmarked signals in Plug and
Play may also be compliant if input terminals are written in the format list. Where Plug and Play is unmarked and nothing is
written in the format list, difficulties in projecting image may occur even when computer and projector appear to have same
resolution.
PT-LX270 / PT-LX300 series
2-1
Chapter 2
Disassembly Process
2-1 Equipment Needed & Product Overview
1. Screw Bit (+): 105
2. Screw Bit (+): 107
3. Screw Bit (-): 107
4. Hex Sleeves 5 mm
5. Tweezers
6. Projector
2. Screw Bit (+): 107
3. Screw Bit (-): 107
4. Hex Sleeves 5 mm
5. Tweezers
6. Projector
* Before you start: This process is protective level II. Operators should wear electrostatic chains.
PT-LX270 / PT-LX300 series
2-2
2-3 Disassemble Lamp
Module
1. Loosen 2 screws (as green circle) on the
Lamp Module.
2. Take off the Lamp Module.
2-2 Disassemble Lamp
Cover Module
1. Loosen 2 screws (as red circle) on the
Lamp Cover.
2. Disassemble the Lamp Cover Module.
2. Disassemble the Lamp Cover Module.
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