Panasonic PT-LB50SE, PT-LB50E manual Before calling for service

Before calling for service

Before calling for service, check the following points.

Problem	Possible cause	Page
Power does not	B The mains lead may not be connected.	–
turn on.	B The main power supply is not being supplied to the	–
	mains socket.	57
	B TEMP indicator is illuminated or flashing.
	B LAMP indicator is illuminated or flashing.	58
	B The lamp unit cover has not been securely	–
	installed.
No picture	B The video signal input source may not be	–
appears.	connected properly.
	B The input selection setting may not be correct.	30
	B The “BRIGHTNESS” adjustment setting may be at	41
	the minimum possible setting.
	B The “SHUTTER” function may be in use.	32,
		53
The picture is	B The lens focus may not have been set correctly.	27
fuzzy.	B The projector may not be at the correct distance	20
	from the screen.
	B The lens may be dirty.	–
	B The projector may be tilted too much.	18
The colour is	B “COLOR” or “TINT” adjustment may be incorrect.	41
pale or grayish.	B The input source which is connected to the	–
	projector may not be adjusted correctly.
No sound can	B The audio signal source may not be connected	–
be heard.	properly.
			maintenance
	B The volume adjustment may be at the lowest	32,
	possible setting.	52
	B A cable may be connected to the VARIABLE	21,
	AUDIO OUT connector.	22,
		23
The remote	B The battery may be weak.	–	and
control unit	B The battery may not be inserted correctly.	24
does not	B The remote control signal receptor on the projector	24	Care
operate.	may be obstructed.
	B The remote control unit may be out of the	24
	operation range.
The buttons on	B The “CONTROL PANEL” may be set to “INVALID”.	51
the projector do	In order to set the “CONTROL PANEL” to “VALID”
not function.	without using the remote control unit, keep holding
	down the ENTER button on the projector and press
	the MENU button for more than 2 seconds.

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