68
Troubleshooting
Chapt
er 5 Ot
her
s
Troubleshooting
If the projector appears to be operating erratically, try to diagnose and correct the problem using the following guide. If
the problem still persists, consult your Sony dealer.
Power
Picture
SRX Controller
Symptom
Cause
Remedy
Power is not turned on.
The main power is turned off.
Set the power switch at the rear of the projector to the upper
position (page 58).
The projector and a computer for
controlling the projector are disconnected.
Connect the projector and a computer properly (page 53).
The ventilation duct for a lamp is
disconnected.
Consult your Sony dealer.
Symptom
Cause
Remedy
No picture.
Cables are disconnected.
Check that the proper connection has been made (page 56).
For connections to the projector, contact your Sony dealer.
Input selection is not correct.
Check that the INPUT SELECT radio button in the SCREEN
CONTROL window is selected correctly (page 59).
The picture is cut off.
Click the “OFF” button of “MUTING” in the SCREEN
CONTROL window (page 59).
Ambient temperature is high.
Reduce the room temperature so that it becomes within the
operating temperature (5°C to 35°C).
Color balance is incorrect. Incorrect input source mode is selected.
Set “Signal Mode” of “Input Source” in the PICTURE CONTROL
window correctly (page 62).
The picture is too dark.
Contrast and brightness has not been
adjusted properly.
Adjust the “Contrast” or “Brightness” in the PICTURE
CONTROL window (page 62).
Lamp power output is not properly
selected.
Set “LAMP POWER” in the INSTALLATION window correctly
(page 65).
A line appears in the
center of a projected 4K
image.
The input signal is not suitable to be
projected as a 4K image.
Check that the signal can be projected as a 4K image (page 60).
Symptom
Cause
Remedy
The “Control Function
Menu” window does not
appear.
The projector and a computer for
controlling the projector are disconnected.
Check that the proper connection between the projector and a
computer has been made (page 53).
Note
Summary of Contents for SRX-T420
Page 39: ......
