Grundig CP-731i user manual Symptom, TROUBLESHOOTING continued, Possible cause, Remedy, Page

TROUBLESHOOTING (continued)

Symptom

Before requesting repair, consult the following chart. If the situation cannot be corrected, then contact BOXLIGHT at 800-762-5757 or 360-779-7901.

Table 10. Symptom

Symptom	Possible cause	Remedy			Page
	The main power switch is not	Turn on the main power switch.
The power is not	turned on.
					7,9
turned on.	The power cord is	Plug the power cord into an AC
	disconnected.	power outlet.
	The input is not correctly set.	Use the projector or remote control			10
No video or audio.		transmitter to set.
	No signal input.	Connect correctly.			7,8
	The projector is not correctly	Connect correctly.			7,8
	connected.
Video is present but	The volume is set to minimum.	Press VOLUME	on the remote		11,15
no audio.		control or display the menu screen
		and adjust the volume.
	Mute is turned on.	Press the MUTE	button.		11
	The projector is not correctly	Connect correctly.			7,8
	connected.
Audio is present but
	The brightness adjustment is	Select BRIGHT with the MENU			12
no video.	set to full off.	button and the press the		button.
	The slide lens door is still	Open the slide lens door.			9
	closed.
Colors are pale and	Color density and color				12
color matching is	matching are not correctly	Adjust the video.
poor.	adjusted.
	Brightness and contrast are not	Adjust the video.			12
Images are dark.	correctly adjusted.
	The lamp is nearing the end of	Replace with a new lamp.			17
	its service life.
Video is blurred.	Focus or H PHASE is out of	Adjust the focus or H PHASE.			12
	adjustment.

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