Trouble shooting q & a – Laser DVBT-C30 User Manual
Page 19

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TrouBLe ShooTInG Q & a
Most	of	the	troubleshooting	issue	can	be	easily	solved.	The	common	cases	and	the	
respective	solutions	are	listed	in	the	table	below.	If	the	problem	is	not	listed	or	not	
shown	below	please	contact	technical	support.
Problem
Possible reason
Solution
No	Picture,
No	Audio
The Batteries are totally discharged.
Replace batteries with new ones
The	power	cable	is	properly	
connected	to	the	device.
Check	the	power	lead	connection.	
Confirm that the adaptor has power. 
The Device is not switched on.
Slide	the	“Power	Switch”	to	the	“ON”	
position.
The	number	of	DVB-T	
channels	is	not	was	
expected
The	number	of	available	channels	is	
limited	to	the	number	of	channels	
broadcast	in	a	given	area.
Perform	“Auto	Search”	or	“Manual	
Search”	to	rescan	all	channels.
The	signal	quality	of	some	channels	
is	too	low
Use	the	external	antenna	to	increase	
the	reception	sensitivity.	For	Indoor	
use,	place	the	antenna	on	a	high	point	
close	to	a	window.
Some TV channels are not available
Only	the	locally	broadcast	channels	
can	be	viewed.	They	can	differ	from	
area	to	area.
All	channels	show	
“No	Signal”	or	random	
mosaic	tiles	appear	
on	the	display.
Some	TV	channels	signal	quality	
is	too	low.
Use	the	external	antenna	to	increase	
the	reception	sensitivity.	For	Indoor	
use,	place	the	antenna	on	a	high	point	
close	to	a	window
Wrong antenna is used
Use	only	the	external	antenna	provided	
with	this	device
No DVB-T service is provided in the area
Check the DVB-T coverage in your area.
The video is fine
but	there	is	no	sound
The volume is too low
Click	the	“VOL	+”	button	to	raise	the	
volume
The audio is muted
Click	the	“MUTE”	button	to	disable	the	
mute	function.
The	power	LED	is	
flashing.
The battery power is too low
Connect	the	TV	to	an	external	power	
source	or	replace	the	batteries
