Sharp Projector Pg C20xu User Manual

E-40
Maintenance &
Troubleshooting
Replacing the Projection Lamp
ON/OFF
or
Ta b
46Remove the air filter.5Replace the air filter.
13Turn off the power.2Disconnect the power
cord.
Unplug the power cord from the
AC socket.
Remove the filter cover.
Replace the filter cover.
Insert the tab on the end of the
filter cover into the filter cover
opening and press the filter
cover into position. 1Remove the air filter stopper.
2Remove the air filter.
Turn over the projector. Press the
tab and remove the filter...

E-41
Maintenance &
Troubleshooting
Replacing the Projection Lamp
7Remove the lamp cage cover.
Turn over the projector and loosen the user service
screw that secures the lamp cage cover. Then lift
open the cover in the direction of the arrow.
910Insert the new lamp cage.Attach the lamp cage cover.
Slide the lamp cage cover in the direction of the
arrow. Then tighten the user service screw. Press the lamp cage firmly into the lamp cage
compartment. Fasten the securing screws.
8Remove the lamp cage.
Loosen...

E-42
Maintenance &
Troubleshooting
Using the Kensington Lock
This projector has a Kensington Security Standard
connector for use with a Kensington MicroSaver Security
System. Refer to the information that came with the
system for instructions on how to use it to secure the
projector.
Kensington Security
Standard connector
Check
• Projector power cord is not plugged into the wall outlet.
• The filter cover is not securely installed.
• Selected input is wrong. (See page 17.)
• Cables incorrectly connected...

E-43
Appendix
Appendix
Attaching the Lens Cap
Put on the lens cap to prevent damage to the lens when transporting the projector. A lens cap strap is provided
to prevent the loss of the lens cap.
1Attach the lens cap
strap to the lens cap.2Attach the lens cap
strap to the projector.3Attach the lens cap to
the projector with the
lens cap eyelet facing
up.
CAUTION
• Do not lift or carry the projector by the lens or the lens cap as this may damage the lens.
• You can also use the end of a mechanical pencil...

E-44
Appendix
Connection Pin Assignments
COMPUTER INPUT 1 Port: 15-pin mini D-sub female connector
Computer Input
Analog
1. Video input (red)
2. Video input
(green/sync on green)
3. Video input (blue)
4. Not connected
5. Composite sync
6. GND (red)
7. GND (green/sync on green)
8. GND (blue)9. Not connected
10. Not connected
11. GND
12. Bi-directional data
13. Horizontal sync signal
14. Vertical sync signal
15. Data clock
1
155
6
11 10
Pin No. Signal Name I/O Reference
1 Not connected
2 RD Receive Data...

E-45
Appendix
PC control
A computer can be used to control the projector by connecting an RS-232C cable (null modem, cross type, sold
separately) to the projector. (See page 15 for connection.)
Communication conditions
Set the serial port settings of the computer to match that of the table.
Signal format: Conforms to RS-232C standard.
Baud rate: 9,600 bps
Data length: 8 bits
Parity bit: NON
Stop bit: 1 bit
Flow control: None
Basic format
Commands from the computer are sent in the following order:...

E-46
Appendix
CONTROL ITEMCOMMAND
C1
S
S
A
A
T
T
P
P
I
I
I
I
I
I
I
R
R
R
R
R
V
V
V
V
V
V
V
V
V
R
R
R
R
R
R
R
R
RP
P
P
P
H
H
O
O
R
R
V
V
C
M
M
B
B
B
B
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
AM
M
O
O
M
M
W
W
G
G
E
E
H
B
B
P
B
R
B
R
P
B
R
B
R
C
T
S
R
P
B
R
B
R
C
T
S
RD
D
W
W
D
D
R
R
B
B
D
D
K
K
K
I
R
D
E
E
I
R
D
E
E
O
I
H
E
I
R
D
E
E
O
I
H
E_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
__
_
_
_
_
_
_
_
_
_
_
_
_
_
_
*
*
*
*
_
*
*
*
*
_
*
*
_
_
*
*
*
*
_
*
*
_
__
_
_
_
_
_
_
_
_
_
_...

E-47
Appendix
Horizontal Frequency: 15–80 kHz
Vertical Frequency: 43–85 Hz
Pixel Clock: 12–108 MHz
Compatible with sync on green and composite sync signals
SXGA (1,280 
 1,024) compatible in intelligent compression
Computer Compatibility Chart
• This projector may not be able to display images from notebook computers in simultaneous (CRT/LCD) mode. Should this
occur, turn off the LCD display on the notebook computer and output the display data in “CRT only” mode. Details on how
to change display modes...

E-48
Appendix
Specifications
Product type
Model
Video system
Display method
LCD panel
Lens
Projection lamp
Contrast ratio
Video input signal
S-video input signal
Horizontal resolution
Audio output
Computer RGB input signal
Pixel clock
Vertical frequency
Horizontal frequency
Computer control signal
Speaker system
Rated voltage
Input current
Rated frequency
Power consumption
Operating temperature
Storage temperature
Cabinet
I/R carrier frequency
Dimensions (approx.)
Weight (approx.)
Supplied accessories...

E-49
Appendix
ON/OFF
POWERLAMP
TEMP.
KEYSTONE
INPUT
BACK ENTER MENUAUTO SYNC FOCUS
ZOOM
100-240VCOMPUTER COMPUTER AUDIO AUDIOOUTPUT(INPUT 1)INPUT 1RS-232C
LRAUDIO INPUT INPUT 3 INPUT 2
S-VIDEO VIDEO
(S-VIDEO, VIDEO INPUT)
643/64 (169.5) 3
15/64 (82)8
5/32 (207)
121/32 (42)
117/64 (32)
1015/64 (260)
2
9/32 (58) 421/32 (118)
5/16 (8)
Units: inches (mm)
Top View Rear View
Dimensions
Side View
Front View
Bottom View