Sony VPL-HW20A - Manual (Page 60)

60
Troubleshooting
If the projector appears to be operating erratically, try to diagnose and correct the problem
using the following instructions. If the problem persists, consult with qualified Sony
personnel.
Power
Picture
Symptom Cause and Remedy
The power is not turned on. c The power may not turn on if you turn the power off with I/1
(ON/STANDBY) switch and turn it on again in a short time.
After about 1 minute, turn the power on.
c Close the lamp cover securely, then tighten the screws securely.
( 1 page 66)
c Close the filter holder securely. (1 page 67)
c Check warning indicators. (1 page 63)
Symptom Cause and Remedy
No picture. c Check that the proper connections have been made.
( 1 page 22)
c Select the input source correctly using the INPUT button.
( 1 page 28)
c Set the computer signal to output from an external monitor.
c Set the computer signal to output only to an external monitor.
c Select “Computer,” “Component” or “Video GBR” for “Input-A
Signal Sel.” on the Setup menu according to the input
signal. ( 1 page 51)
The picture from the
INPUT A connector is
colored strange. c Select “Computer,” “Component” or “Video GBR” for “Input-A
Signal Sel.” on the Setup menu according to the input
signal. ( 1 page 51)
The picture from the
VIDEO INPUT or
S VIDEO INPUT
connector is colored
strange. c Adjust the picture of the Picture menu. ( 1 page 43)
c Set “Color System” in the Setup menu to match the color
system being input. ( 1 page 51)
The bright area of the
picture may become
unclear or texts may
become faded. (When
HDMI video signal is
input) c This symptom may occur when a signal other than those of
HDMI standard is input. ( 1 page 29) Switch the RGB dynamic
range of the connected equipment to Limited (16-235). If this
adjustment is unavailable, adjust “Brightness”, “Contrast”, or
“Sharpness” in the Picture
menu of the projector. ( 1 page
44)
The texts may become
faded when connected with
a computer. (When
computer signal is input) c This symptom may occur when a signal other than those of
HDMI standard is input. ( 1 page 29) Adjust “Sharpness” in the
Picture menu. ( 1 page 44)