Panasonic PT-DZ770E Operating Guide
Troubleshooting
108 - ENGLISH
Maintenance
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Points to be checked
Page
Power does not turn
on.
z
Is the power plug firmly inserted into the outlet?
―
z
Is the <MAIN POWER> switch turned <OFF>?
38
z
Is the wall outlet supplying electricity?
―
z
Have the circuit breakers tripped?
―
z
Is the temperature indicator <TEMP> or the lamp indicator
<LAMP1>/<LAMP2> lit or flashing?
102, 103
z
Is the lamp unit cover securely installed?
107
No image appears.
z
Are connections to external devices correctly performed?
32
z
Is the input selection setting correct?
41
z
Is the [BRIGHTNESS] adjustment setting at a minimum?
47
z
Is the external device that is connected to the projector working
properly?
―
z
Is the shutter function in use?
41
z
If the power indicator <ON (G)/STANDBY (R)> is flashing in red, consult
your dealer.
—
The picture is fuzzy.
z
Is the lens focus set correctly?
39
z
Is the projection distance appropriate?
24
z
Is the lens dirty?
15
z
Is the projector installed perpendicular to the screen?
―
The color is pale or
grayish.
z
Is the [COLOR] or [TINT] adjusted correctly?
48
z
Is the external device connected to the projector adjusted correctly?
32
z
Is the RGB cable damaged?
―
The remote control
does not respond.
z
Are the batteries depleted?
―
z
Is the polarity of the batteries set correctly?
22
z
Are there any obstructions between the remote control and the
projector’s remote control signal receiver?
19
z
Is the remote control being used beyond its effective operation range?
19
z
Are other forms of light, such as fluorescent light, affecting the
projection?
19
z
Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set
to [DISABLE]?
80
z
Is the <REMOTE 2 IN> terminal used for contact control?
116
z
Is the ID number setting operation correct?
22
The menu screen
does not appear.
z
Is the on-screen display function turned off (hidden)?
21, 41