XG-C455W (serv.man6). Electrical Adjustments - Sharp Projector Service Manual (repair manual). Page 12

XG-C455W/PG-C355W

4 – 12

1) Disabling procedure

With System-Lock input window onscreen, press the “MENU”, “ENTER”, “ENTER”, “MENU”, “ENTER”, “ENTER” and “MENU” keys, in this order,
on the remote controller.

 

21

Checking of ther-
mistor performance

1) Heat the thermistor with a hair dryer.

1) Make sure the temperature warning is displayed.

22

Automatic sync opera-
tion

1) Receive the phase checking pattern 

signal.

1) Make sure that Clock, Phase, H-POS and V-POS can be automat-

ically adjusted in the VGA/S-VGA/XGA mode.

23

DVI input operation 
check

1) Send the video signal to the DVI termi-

nal.

1) Check that an image is properly projected

24

Monitor out check

1) Input the video and audio signals to the 

COMPUTER1 and COMPUTER2 ter-
minals.

2) Connect another monitor to the monitor 

out terminal.

3) Connect a speaker with a built-in ampli-

fier to the audio out terminal.

1) Check that image selected with the projector is displayed on 

another monitor connected to monitor out terminal and sound is 
heard from the speaker connected to the audio out terminal.

25

RS232C operation 
check

1) Connect the unit and a PC with the 

RS232C cable.

1) Send a command from the PC, and check it functions correctly.

26

USB operation check

1) Connect to a PC with an USB cable.

1) Check that forward/reverse operation is enabled on the PC screen 

using the remote control.

27

LAN operation check

1) Connect to a PC with a LAN cable.

1) Check that communication is possible.

28

Remote control check

1) Check the wired remote operation.
2) Check the remote control operation.

1) Check that the wired remote control terminal is activated.
2) Check the remote control operation.

29

Model name check

1) Send “TNAM 1” and “MNRD 1”h with 

RS232C command.

1) Check that the appropriate model name is displayed correctly.

30

Delivery settings

1) Make the following settings.

Destination

Process

Remote control

adjustment

adjustment

USA

SS4

Factory setting at 4

Others

SS3

Factory setting at 3

ENTER

ENTER RIGHT LEFT ENTER

ENTER MENU