Troubleshooting - Alphatronics SL- DSBAI+ Serie Bedienungsanleitung

TROUBLESHOOTING

Please use the following table to resolve the most common possible causes of the problem
before calling service personnel. A minor adjustment may eliminate the problem and restore
your TV reception.
Problem
No picture screen
Picture is not clear
Image is fuzzy
Colours are distorted
Screen bounces or has wavy
oscillations
No sound
Only one speaker operates
74
Solutions
• Check that power is turned on.
• Adjust brightness and contrast.
• Check input signal of TFT-LCD/LED.
• Check the power connection to the unit
with screen.
• Check Main Display selection.
• Check that Video cable is plugged in.
• Refer to the Picture Adjustments Menu in the
OPERATING INSTRUCTIONS.
• The power could be failing, try connecting the
unit to another power outlet.
• Move unit a way from the magnetic equipment,
such as Wireless Receiver, AC Transformer, etc.
• Refer to the Picture Adjustment Procedure
Menu in the OPERATING INSTRUCTIONS.
Check that the Video cable is plugged in securely.
• Check Video input range (V-sync Max. 75Hz,
H-sync Max.48.08KHz)
• Make sure Video cable connections are secure.
• Check speaker line connections.
• Sound might be muted, try adjusting
the volume.
• Check audio wire connections with
source device.
• Check the unit' s speaker wires are securely
connected.