Phenomena That May Easily Be Mistaken For Machine Defects - Hitachi CPS317 User Manual

WHAT TO DO WHEN YOU THINK A MACHINE DEFECT HAS OCCURRED (continued)

Phenomena That May Easily Be Mistaken for Machine Defects

Before requesting repair, check in accordance with the following chart.
If the situation cannot be corrected, then contact your dealer.
Phenomenon Cases not involving a machine defect
The main power source is not ON.
The electrical power cord is not plugged in.
Power does not
The main power source has been
come ON
interrupted during operation, such as by
a power outage (blackout), etc.
The input changeover settings
No sound or
are mismatched.
pictures are
outputted
No signal is being inputted.
The electrical wiring to this unit
is not correctly connected.
Pictures are
The volume setting has been set at (or
displayed, but no
adjusted to) an extremely low level.
sounds are heard
The MUTE mode is the current setting.
The electrical wiring to this unit
is not correctly connected.
Sounds are
heard, but no
The brightness setting has been set at
pictures are
(or adjusted to) an extremely low level.
displayed
The lens cap has not been removed.
Colors have a faded-
out appearance Color depth setting or color tone setting
Color tone is poor
The brightness setting and/or contrast
setting has not been properly adjusted.
The WHISPER mode is the current
Pictures appear
setting.
dark
Lamp is approaching the end of its
product lifetime.
Pictures appear Either the FOCUS setting or the H
blurry PHASE is not properly adjusted.
NOTE
Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and
such do not constitute or imply a machine defect.
Items to be confirmed
Turn on the main power.
Correctly connect the power cord.
Be sure to press the " " (power OFF) side
O
of the main power switch, and leave this OFF
for approximately 20 minutes. After the unit
has sufficiently cooled down, turn ON the
power source.
Select the input signal, and
correct the settings.
Correctly connect the connection cord.
Correctly connect the connection cord.
Adjust the VOLUME setting to a higher level.
Press the MUTE button to release
(change) the MUTE mode setting.
Correctly connect the connection cord.
Adjust the BRIGHT setting to a
brighter level.
Remove the lens cap.
Perform picture adjustments by changing the
COLOR BAL R, the COLOR BAL B, and/or the
TINT settings, etc.
Perform picture adjustments by changing the
BRIGHT and/or CONTRAST settings, etc.
Change (by releasing) from the
WHISPER mode.
Exchange the old lamp with a new
lamp.
Adjust the FOCUS and H PHASE settings.
Reference
Page(s)
Vol.1-3, 14
Vol.1-14
Vol.1-15
Vol.1-10, 11
Vol.1-10, 11
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Vol.1-17
Vol.1-10, 11
Vol.2-2
Vol.1-14
Vol.2-3
Vol.2-2
Vol.2-6
Vol.1-25, 26
Vol.1-15
Vol.2-3
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