Panasonic TQBJ0323-1 - Manual (Page 50)

References
50  ENGLISH
Troubleshooting
Confirm the following problem and cause.
If the suggested solutions do not solve the problem, contact an Authorized Service Center.
Problem Cause Page
Power does not turn
on.
The power cord may not be connected securely. z
No electric supply at the wall outlet. z
The circuit breakers have tripped. z
TEMP z or LAMP indicator is lit or flashes.
The lamp unit cover has not been securely installed. z
CONTROL PANEL z in the PROJECTOR SETUP menu is invalidated.
20
—
—
45
48
44
No picture appears.
The lens cover is not removed. z
The input terminal may not be connected properly. z
The input selection setting may not be correct. z
The z BRIGHTNESS adjustment setting may be at the minimum setting.
The signal input source may not be operating properly. z
The z AV MUTE function may be in use.
—
18, 19
24
30
—
25
The picture is fuzzy.
The lens focus may not have been set correctly. z
The projector may not be at the correct distance from the screen. z
The lens may be dirty. z
The projector may be tilted too much. z
24
16
46
24
Color is pale or
grayish.
COLOR z or TINT adjustment may be incorrect.
The input source which is connected to the projector may not be z
adjusted correctly.
31
—
No sound can be
heard from the internal
speaker.
The audio signal source may not be connected properly. z
The volume adjustment may be at the lowest possible setting. z
A cable may be connected to the z AUDIO OUT terminal.
18, 19
26, 40
14
The remote control
does not operate.
The batteries may be weak. z
The batteries may not have been inserted correctly. z
The remote control signal receptor on the projector may be obstructed. z
The remote control unit may be out of the operation range. z
REMOTE CONTROLLER z in the PROJECTOR SETUP menu is
invalidated.
The remote control is under a strong light such as fluorescent. z
—
15
15
15
44
15
The control buttons of
the projector do not
operate.
CONTROL PANEL z in the PROJECTOR SETUP menu is invalidated.
(If you have a loss of the remote control while the CONTROL PANEL
is invalidated, press and hold [MENU] for 2 seconds by pressing
[ENTER].)
44
The picture does not
display correctly.
The signal format ( z TV-SYSTEM, RGB/YP
B
P
R
) may not have been set
correctly.
There may be a problem with the VCR or other signal source. z
A signal which is not compatible with the projector is being input. z
31, 32
—
52
Picture from a
computer does not
appear.
The RGB signal cable is too long. (Limit to 10 m (32' 10").) z
The external video output from a laptop computer may not be correct. z
(You may be able to change the external output settings by pressing
the [Fn] + [F3] or [Fn] + [F10] keys simultaneously. The actual method
varies depending on the type of computer; refer to the documentation
provided with your computer for further details.)
—
36
The projector cannot
be controlled through
serial terminal.
EMULATE z in the PROJECTOR SETUP menu is not set correctly.
(If you fail to select your product series, ask your dealer for repair.)
40
References