Panasonic PT-DZ770UL Projector User Manual


 
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 rmly 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 ashing?
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 ashing 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 uorescent 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