Panasonic PTLZ370E Operating Guide

Page of 120
Troubleshooting
ENGLISH - 105
Maintenance
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problem
Points to be checked
Page
Power does not turn 
on.
 
z
Is the power plug firmly inserted into an outlet?
 
z
Is the <MAIN POWER> switch turned <OFF>?
36
 
z
Is the wall outlet supplying electricity?
 
z
Have the circuit breakers tripped?
 
z
Is the lamp indicator <LAMP> or the temperature indicator <TEMP> 
illuminating or flashing?
95, 96
 
z
Is the lamp unit securely installed?
102
No picture appears.
 
z
Is the connection to the picture (output) device correct?
30
 
z
Is the input selection setting correct?
40
 
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 AV mute function in use?
39
 
z
Is the lens cover still attached to the lens?
35
The picture is fuzzy.
 
z
Is the lens focus set correctly?
37
 
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 [COLOR] adjusted correctly?
47
 
z
Is [TINT] adjusted correctly?
47
 
z
Is the device connected to the projector adjusted correctly?
30
Audio is not output.
 
z
Is the <AUDIO IN> terminal connected correctly?
21
 
z
Is the volume adjusted at a minimum?
41
 
z
Is the AV mute function used?
39
 
z
Check [AUDIO IN SELECT] in [AUDIO SETTING].
70
The remote control 
does not operate.
 
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 lights, affecting the 
projection?
19
 
z
Is the [REMOTE CONTROLLER] setting in [CONTROL DEVICE 
SETUP] set to [DISABLE]?
75
 
z
Is the ID number setting operation correct?
22